diff options
| author | Andy Wingo <wingo@pobox.com> | 2012-07-24 23:22:41 +0200 |
|---|---|---|
| committer | Andy Wingo <wingo@pobox.com> | 2012-07-24 23:22:41 +0200 |
| commit | 4bfe73072b75259a97a9daa81ed5c9c01e8a4af5 (patch) | |
| tree | 23e6211d8b371f385eb72657c41c8a2af12779c2 /m4 | |
| parent | 146b8f85e10e3abdffcb44e6131958a68acdccbc (diff) | |
| parent | abd731fff772624f54cdf69597b4cf36df9ae0e4 (diff) | |
Merge remote-tracking branch 'origin/stable-2.0'
Conflicts:
GUILE-VERSION
Diffstat (limited to 'm4')
55 files changed, 1236 insertions, 395 deletions
diff --git a/m4/canonicalize.m4 b/m4/canonicalize.m4 index 623253ffe..37df6fc5f 100644 --- a/m4/canonicalize.m4 +++ b/m4/canonicalize.m4 @@ -1,4 +1,4 @@ -# canonicalize.m4 serial 23 +# canonicalize.m4 serial 24 dnl Copyright (C) 2003-2007, 2009-2012 Free Software Foundation, Inc. @@ -16,8 +16,11 @@ AC_DEFUN([gl_FUNC_CANONICALIZE_FILENAME_MODE], AC_REQUIRE([gl_FUNC_REALPATH_WORKS]) if test $ac_cv_func_canonicalize_file_name = no; then HAVE_CANONICALIZE_FILE_NAME=0 - elif test "$gl_cv_func_realpath_works" != yes; then - REPLACE_CANONICALIZE_FILE_NAME=1 + else + case "$gl_cv_func_realpath_works" in + *yes) ;; + *) REPLACE_CANONICALIZE_FILE_NAME=1 ;; + esac fi ]) @@ -30,12 +33,21 @@ AC_DEFUN([gl_CANONICALIZE_LGPL], HAVE_CANONICALIZE_FILE_NAME=0 if test $ac_cv_func_realpath = no; then HAVE_REALPATH=0 - elif test "$gl_cv_func_realpath_works" != yes; then - REPLACE_REALPATH=1 + else + case "$gl_cv_func_realpath_works" in + *yes) ;; + *) REPLACE_REALPATH=1 ;; + esac fi - elif test "$gl_cv_func_realpath_works" != yes; then - REPLACE_CANONICALIZE_FILE_NAME=1 - REPLACE_REALPATH=1 + else + case "$gl_cv_func_realpath_works" in + *yes) + ;; + *) + REPLACE_CANONICALIZE_FILE_NAME=1 + REPLACE_REALPATH=1 + ;; + esac fi ]) @@ -56,6 +68,7 @@ AC_DEFUN([gl_CANONICALIZE_LGPL_SEPARATE], AC_DEFUN([gl_FUNC_REALPATH_WORKS], [ AC_CHECK_FUNCS_ONCE([realpath]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles AC_CACHE_CHECK([whether realpath works], [gl_cv_func_realpath_works], [ touch conftest.a mkdir conftest.d @@ -89,13 +102,23 @@ AC_DEFUN([gl_FUNC_REALPATH_WORKS], } return result; ]]) - ], [gl_cv_func_realpath_works=yes], [gl_cv_func_realpath_works=no], - [gl_cv_func_realpath_works="guessing no"]) + ], + [gl_cv_func_realpath_works=yes], + [gl_cv_func_realpath_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *gnu*) gl_cv_func_realpath_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_realpath_works="guessing no" ;; + esac + ]) rm -rf conftest.a conftest.d ]) - if test "$gl_cv_func_realpath_works" = yes; then - AC_DEFINE([FUNC_REALPATH_WORKS], [1], [Define to 1 if realpath() - can malloc memory, always gives an absolute path, and handles - trailing slash correctly.]) - fi + case "$gl_cv_func_realpath_works" in + *yes) + AC_DEFINE([FUNC_REALPATH_WORKS], [1], [Define to 1 if realpath() + can malloc memory, always gives an absolute path, and handles + trailing slash correctly.]) + ;; + esac ]) diff --git a/m4/ceil.m4 b/m4/ceil.m4 index fd9ac4cb5..890517b49 100644 --- a/m4/ceil.m4 +++ b/m4/ceil.m4 @@ -1,4 +1,4 @@ -# ceil.m4 serial 8 +# ceil.m4 serial 9 dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -15,6 +15,7 @@ AC_DEFUN([gl_FUNC_CEIL], fi m4_ifdef([gl_FUNC_CEIL_IEEE], [ if test $gl_ceil_required = ieee && test $REPLACE_CEIL = 0; then + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles AC_CACHE_CHECK([whether ceil works according to ISO C 99 with IEC 60559], [gl_cv_func_ceil_ieee], [ @@ -44,7 +45,13 @@ int main (int argc, char *argv[]) ]])], [gl_cv_func_ceil_ieee=yes], [gl_cv_func_ceil_ieee=no], - [gl_cv_func_ceil_ieee="guessing no"]) + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_ceil_ieee="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_ceil_ieee="guessing no" ;; + esac + ]) LIBS="$save_LIBS" ]) case "$gl_cv_func_ceil_ieee" in diff --git a/m4/check-math-lib.m4 b/m4/check-math-lib.m4 index 0b77d8f6a..4f370eb49 100644 --- a/m4/check-math-lib.m4 +++ b/m4/check-math-lib.m4 @@ -1,10 +1,10 @@ -# check-math-lib.m4 serial 3 +# check-math-lib.m4 serial 4 dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. dnl -dnl gl_CHECK_MATH_LIB (VARIABLE, EXPRESSION) +dnl gl_CHECK_MATH_LIB (VARIABLE, EXPRESSION [, EXTRA-CODE]) dnl dnl Sets the shell VARIABLE according to the libraries needed by EXPRESSION dnl to compile and link: to the empty string if no extra libraries are needed, @@ -22,6 +22,7 @@ AC_DEFUN([gl_CHECK_MATH_LIB], [ # define __NO_MATH_INLINES 1 /* for glibc */ #endif #include <math.h> + $3 double x;]], [$2])], [$1=$libm diff --git a/m4/clock_time.m4 b/m4/clock_time.m4 new file mode 100644 index 000000000..fb3a17a6c --- /dev/null +++ b/m4/clock_time.m4 @@ -0,0 +1,38 @@ +# clock_time.m4 serial 10 +dnl Copyright (C) 2002-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Check for clock_gettime and clock_settime, and set LIB_CLOCK_GETTIME. +# For a program named, say foo, you should add a line like the following +# in the corresponding Makefile.am file: +# foo_LDADD = $(LDADD) $(LIB_CLOCK_GETTIME) + +AC_DEFUN([gl_CLOCK_TIME], +[ + dnl Persuade glibc and Solaris <time.h> to declare these functions. + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + # Solaris 2.5.1 needs -lposix4 to get the clock_gettime function. + # Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4. + + # Save and restore LIBS so e.g., -lrt, isn't added to it. Otherwise, *all* + # programs in the package would end up linked with that potentially-shared + # library, inducing unnecessary run-time overhead. + LIB_CLOCK_GETTIME= + AC_SUBST([LIB_CLOCK_GETTIME]) + gl_saved_libs=$LIBS + AC_SEARCH_LIBS([clock_gettime], [rt posix4], + [if test "$ac_cv_search_clock_gettime" = "none required"; then + AC_SEARCH_LIBS([clock_getcpuclockid], [rt posix4], + [test "$ac_cv_search_clock_getcpuclockid" = "none required" \ + || LIB_CLOCK_GETTIME=$ac_cv_search_clock_getcpuclockid], + [test "$ac_cv_search_clock_gettime" = "none required" \ + || LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime]) + else + LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime + fi]) + AC_CHECK_FUNCS([clock_gettime clock_settime clock_getcpuclockid]) + LIBS=$gl_saved_libs +]) diff --git a/m4/errno_h.m4 b/m4/errno_h.m4 index 4f0bb8359..1e76ba270 100644 --- a/m4/errno_h.m4 +++ b/m4/errno_h.m4 @@ -1,4 +1,4 @@ -# errno_h.m4 serial 10 +# errno_h.m4 serial 11 dnl Copyright (C) 2004, 2006, 2008-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -10,6 +10,9 @@ AC_DEFUN_ONCE([gl_HEADER_ERRNO_H], AC_CACHE_CHECK([for complete errno.h], [gl_cv_header_errno_h_complete], [ AC_EGREP_CPP([booboo],[ #include <errno.h> +#if !defined ETXTBSY +booboo +#endif #if !defined ENOMSG booboo #endif @@ -49,6 +52,12 @@ booboo #if !defined ECANCELED booboo #endif +#if !defined EOWNERDEAD +booboo +#endif +#if !defined ENOTRECOVERABLE +booboo +#endif ], [gl_cv_header_errno_h_complete=no], [gl_cv_header_errno_h_complete=yes]) diff --git a/m4/exponentd.m4 b/m4/exponentd.m4 index 48df999ab..0ae4ccfac 100644 --- a/m4/exponentd.m4 +++ b/m4/exponentd.m4 @@ -1,4 +1,4 @@ -# exponentd.m4 serial 2 +# exponentd.m4 serial 3 dnl Copyright (C) 2007-2008, 2010-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -80,7 +80,8 @@ int main () dnl different sets of instructions: The older FPA instructions assume dnl that they are stored in big-endian word order, while the words dnl (like integer types) are stored in little-endian byte order. - dnl The newer VFP instructions assume little-endian order consistenly. + dnl The newer VFP instructions assume little-endian order + dnl consistently. AC_EGREP_CPP([mixed_endianness], [ #if defined arm || defined __arm || defined __arm__ mixed_endianness diff --git a/m4/extensions.m4 b/m4/extensions.m4 index 0bfaef6f9..6d17d8a74 100644 --- a/m4/extensions.m4 +++ b/m4/extensions.m4 @@ -1,4 +1,4 @@ -# serial 11 -*- Autoconf -*- +# serial 12 -*- Autoconf -*- # Enable extensions on systems that normally disable them. # Copyright (C) 2003, 2006-2012 Free Software Foundation, Inc. @@ -67,7 +67,7 @@ AC_BEFORE([$0], [AC_RUN_IFELSE])dnl #ifndef _ALL_SOURCE # undef _ALL_SOURCE #endif -/* Enable general extensions on MacOS X. */ +/* Enable general extensions on Mac OS X. */ #ifndef _DARWIN_C_SOURCE # undef _DARWIN_C_SOURCE #endif diff --git a/m4/floor.m4 b/m4/floor.m4 index 501d63640..a6e7ec811 100644 --- a/m4/floor.m4 +++ b/m4/floor.m4 @@ -1,4 +1,4 @@ -# floor.m4 serial 7 +# floor.m4 serial 8 dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -15,6 +15,7 @@ AC_DEFUN([gl_FUNC_FLOOR], fi m4_ifdef([gl_FUNC_FLOOR_IEEE], [ if test $gl_floor_required = ieee && test $REPLACE_FLOOR = 0; then + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles AC_CACHE_CHECK([whether floor works according to ISO C 99 with IEC 60559], [gl_cv_func_floor_ieee], [ @@ -40,7 +41,13 @@ int main (int argc, char *argv[]) ]])], [gl_cv_func_floor_ieee=yes], [gl_cv_func_floor_ieee=no], - [gl_cv_func_floor_ieee="guessing no"]) + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_floor_ieee="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_floor_ieee="guessing no" ;; + esac + ]) LIBS="$save_LIBS" ]) case "$gl_cv_func_floor_ieee" in diff --git a/m4/fpieee.m4 b/m4/fpieee.m4 index 93b8d9047..82fd77832 100644 --- a/m4/fpieee.m4 +++ b/m4/fpieee.m4 @@ -1,4 +1,4 @@ -# fpieee.m4 serial 1 +# fpieee.m4 serial 2 dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -36,9 +36,11 @@ AC_DEFUN([gl_FP_IEEE], # <http://h30097.www3.hp.com/docs/base_doc/DOCUMENTATION/V51B_HTML/MAN/MAN3/0600____.HTM> if test -n "$GCC"; then # GCC has the option -mieee. + # For full IEEE compliance (rarely needed), use option -mieee-with-inexact. CPPFLAGS="$CPPFLAGS -mieee" else - # Compaq (ex-DEC) C has the option -ieee. + # Compaq (ex-DEC) C has the option -ieee, equivalent to -ieee_with_no_inexact. + # For full IEEE compliance (rarely needed), use option -ieee_with_inexact. CPPFLAGS="$CPPFLAGS -ieee" fi ;; diff --git a/m4/frexp.m4 b/m4/frexp.m4 index 4162195e5..fb8db7046 100644 --- a/m4/frexp.m4 +++ b/m4/frexp.m4 @@ -1,4 +1,4 @@ -# frexp.m4 serial 13 +# frexp.m4 serial 14 dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -107,7 +107,7 @@ AC_DEFUN([gl_FUNC_FREXP_WORKS], /* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0. ICC 10.0 has a bug when optimizing the expression -zero. The expression -DBL_MIN * DBL_MIN does not work when cross-compiling - to PowerPC on MacOS X 10.5. */ + to PowerPC on Mac OS X 10.5. */ #if defined __hpux || defined __sgi || defined __ICC static double compute_minus_zero (void) diff --git a/m4/fstat.m4 b/m4/fstat.m4 index e3f8f3e2e..3ab3297b2 100644 --- a/m4/fstat.m4 +++ b/m4/fstat.m4 @@ -1,4 +1,4 @@ -# fstat.m4 serial 1 +# fstat.m4 serial 3 dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -7,16 +7,27 @@ dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_FSTAT], [ AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) + AC_REQUIRE([gl_MSVC_INVAL]) if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then REPLACE_FSTAT=1 fi + + AC_REQUIRE([gl_HEADER_SYS_STAT_H]) + if test $WINDOWS_64_BIT_ST_SIZE = 1; then + REPLACE_FSTAT=1 + fi + dnl Replace fstat() for supporting the gnulib-defined open() on directories. m4_ifdef([gl_FUNC_FCHDIR], [ gl_TEST_FCHDIR - if test $HAVE_FCHDIR = 0 \ - && test "$gl_cv_func_open_directory_works" != yes; then - REPLACE_FSTAT=1 + if test $HAVE_FCHDIR = 0; then + case "$gl_cv_func_open_directory_works" in + *yes) ;; + *) + REPLACE_FSTAT=1 + ;; + esac fi ]) ]) diff --git a/m4/gnulib-cache.m4 b/m4/gnulib-cache.m4 index fc7c54f24..1b6406025 100644 --- a/m4/gnulib-cache.m4 +++ b/m4/gnulib-cache.m4 @@ -27,7 +27,7 @@ # Specification in the form of a command-line invocation: -# gnulib-tool --import --dir=. --local-dir=gnulib-local --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=build-aux --lgpl=3 --no-conditional-dependencies --libtool --macro-prefix=gl --no-vc-files accept alignof alloca-opt announce-gen autobuild bind byteswap canonicalize-lgpl ceil close connect dirfd duplocale environ extensions flock floor fpieee frexp full-read full-write func gendocs getaddrinfo getpeername getsockname getsockopt git-version-gen gitlog-to-changelog gnu-web-doc-update gnupload havelib iconv_open-utf inet_ntop inet_pton isinf isnan ldexp lib-symbol-versions lib-symbol-visibility libunistring listen localcharset locale log1p maintainer-makefile malloc-gnu malloca nl_langinfo nproc open pipe2 putenv recv recvfrom regex rename send sendto setenv setsockopt shutdown socket stat-time stdlib strftime striconveh string sys_stat trunc verify vsnprintf warnings wchar +# gnulib-tool --import --dir=. --local-dir=gnulib-local --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=build-aux --lgpl=3 --no-conditional-dependencies --libtool --macro-prefix=gl --no-vc-files accept alignof alloca-opt announce-gen autobuild bind byteswap canonicalize-lgpl ceil clock-time close connect dirfd duplocale environ extensions flock floor fpieee frexp full-read full-write func gendocs getaddrinfo getpeername getsockname getsockopt git-version-gen gitlog-to-changelog gnu-web-doc-update gnupload havelib iconv_open-utf inet_ntop inet_pton isinf isnan ldexp lib-symbol-versions lib-symbol-visibility libunistring listen localcharset locale log1p maintainer-makefile malloc-gnu malloca nl_langinfo nproc open pipe2 putenv recv recvfrom regex rename send sendto setenv setsockopt shutdown socket stat-time stdlib strftime striconveh string sys_stat trunc verify vsnprintf warnings wchar # Specification in the form of a few gnulib-tool.m4 macro invocations: gl_LOCAL_DIR([gnulib-local]) @@ -41,6 +41,7 @@ gl_MODULES([ byteswap canonicalize-lgpl ceil + clock-time close connect dirfd diff --git a/m4/gnulib-common.m4 b/m4/gnulib-common.m4 index ae4d25483..15d2b2b3d 100644 --- a/m4/gnulib-common.m4 +++ b/m4/gnulib-common.m4 @@ -1,4 +1,4 @@ -# gnulib-common.m4 serial 32 +# gnulib-common.m4 serial 33 dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -14,7 +14,8 @@ AC_DEFUN([gl_COMMON], [ AC_DEFUN([gl_COMMON_BODY], [ AH_VERBATIM([_Noreturn], [/* The _Noreturn keyword of C11. */ -#ifndef _Noreturn +#if ! (defined _Noreturn \ + || (defined __STDC_VERSION__ && 201112 <= __STDC_VERSION__)) # if (3 <= __GNUC__ || (__GNUC__ == 2 && 8 <= __GNUC_MINOR__) \ || 0x5110 <= __SUNPRO_C) # define _Noreturn __attribute__ ((__noreturn__)) @@ -29,7 +30,7 @@ AC_DEFUN([gl_COMMON_BODY], [ [/* Work around a bug in Apple GCC 4.0.1 build 5465: In C99 mode, it supports the ISO C 99 semantics of 'extern inline' (unlike the GNU C semantics of earlier versions), but does not display it by setting __GNUC_STDC_INLINE__. - __APPLE__ && __MACH__ test for MacOS X. + __APPLE__ && __MACH__ test for Mac OS X. __APPLE_CC__ tests for the Apple compiler and its version. __STDC_VERSION__ tests for the C99 mode. */ #if defined __APPLE__ && defined __MACH__ && __APPLE_CC__ >= 5465 && !defined __cplusplus && __STDC_VERSION__ >= 199901L && !defined __GNUC_STDC_INLINE__ diff --git a/m4/gnulib-comp.m4 b/m4/gnulib-comp.m4 index 498c5fa04..13bf4e8ad 100644 --- a/m4/gnulib-comp.m4 +++ b/m4/gnulib-comp.m4 @@ -56,6 +56,7 @@ AC_DEFUN([gl_EARLY], # Code from module canonicalize-lgpl: # Code from module ceil: # Code from module chdir: + # Code from module clock-time: # Code from module close: # Code from module configmake: # Code from module connect: @@ -119,6 +120,8 @@ AC_DEFUN([gl_EARLY], # Code from module listen: # Code from module localcharset: # Code from module locale: + # Code from module localeconv: + # Code from module log: # Code from module log1p: # Code from module lstat: # Code from module maintainer-makefile: @@ -150,6 +153,7 @@ AC_DEFUN([gl_EARLY], # Code from module regex: # Code from module rename: # Code from module rmdir: + # Code from module round: # Code from module safe-read: # Code from module safe-write: # Code from module same-inode: @@ -180,12 +184,10 @@ AC_DEFUN([gl_EARLY], # Code from module stdint: # Code from module stdio: # Code from module stdlib: - # Code from module strcase: # Code from module streq: # Code from module strftime: # Code from module striconveh: # Code from module string: - # Code from module strings: # Code from module sys_file: # Code from module sys_socket: # Code from module sys_stat: @@ -238,6 +240,7 @@ gl_SYS_SOCKET_MODULE_INDICATOR([accept]) gl_FUNC_ALLOCA gl_HEADER_ARPA_INET AC_PROG_MKDIR_P +AC_REQUIRE([AC_C_INLINE]) AC_REQUIRE([gl_HEADER_SYS_SOCKET]) if test "$ac_cv_header_winsock2_h" = yes; then AC_LIBOBJ([bind]) @@ -263,6 +266,7 @@ if test $REPLACE_CEIL = 1; then fi gl_MATH_MODULE_INDICATOR([ceil]) gl_UNISTD_MODULE_INDICATOR([chdir]) +gl_CLOCK_TIME gl_FUNC_CLOSE if test $REPLACE_CLOSE = 1; then AC_LIBOBJ([close]) @@ -425,6 +429,7 @@ if test $HAVE_ISNANL = 0 || test $REPLACE_ISNAN = 1; then fi gl_MATH_MODULE_INDICATOR([isnanl]) gl_LANGINFO_H +AC_REQUIRE([gl_LARGEFILE]) gl_FUNC_LDEXP gl_LD_VERSION_SCRIPT gl_VISIBILITY @@ -438,7 +443,22 @@ gl_LOCALCHARSET LOCALCHARSET_TESTS_ENVIRONMENT="CHARSETALIASDIR=\"\$(abs_top_builddir)/$gl_source_base\"" AC_SUBST([LOCALCHARSET_TESTS_ENVIRONMENT]) gl_LOCALE_H -gl_COMMON_DOUBLE_MATHFUNC([log1p]) +gl_FUNC_LOCALECONV +if test $REPLACE_LOCALECONV = 1; then + AC_LIBOBJ([localeconv]) + gl_PREREQ_LOCALECONV +fi +gl_LOCALE_MODULE_INDICATOR([localeconv]) +AC_REQUIRE([gl_FUNC_LOG]) +if test $REPLACE_LOG = 1; then + AC_LIBOBJ([log]) +fi +gl_MATH_MODULE_INDICATOR([log]) +gl_FUNC_LOG1P +if test $HAVE_LOG1P = 0 || test $REPLACE_LOG1P = 1; then + AC_LIBOBJ([log1p]) +fi +gl_MATH_MODULE_INDICATOR([log1p]) gl_FUNC_LSTAT if test $REPLACE_LSTAT = 1; then AC_LIBOBJ([lstat]) @@ -558,6 +578,11 @@ if test $REPLACE_RMDIR = 1; then AC_LIBOBJ([rmdir]) fi gl_UNISTD_MODULE_INDICATOR([rmdir]) +gl_FUNC_ROUND +if test $HAVE_ROUND = 0 || test $REPLACE_ROUND = 1; then + AC_LIBOBJ([round]) +fi +gl_MATH_MODULE_INDICATOR([round]) gl_PREREQ_SAFE_READ gl_PREREQ_SAFE_WRITE AC_REQUIRE([gl_HEADER_SYS_SOCKET]) @@ -623,22 +648,12 @@ gl_STDDEF_H gl_STDINT_H gl_STDIO_H gl_STDLIB_H -gl_STRCASE -if test $HAVE_STRCASECMP = 0; then - AC_LIBOBJ([strcasecmp]) - gl_PREREQ_STRCASECMP -fi -if test $HAVE_STRNCASECMP = 0; then - AC_LIBOBJ([strncasecmp]) - gl_PREREQ_STRNCASECMP -fi gl_FUNC_GNU_STRFTIME if test $gl_cond_libtool = false; then gl_ltlibdeps="$gl_ltlibdeps $LTLIBICONV" gl_libdeps="$gl_libdeps $LIBICONV" fi gl_HEADER_STRING_H -gl_HEADER_STRINGS_H gl_HEADER_SYS_FILE_H AC_PROG_MKDIR_P gl_HEADER_SYS_SOCKET @@ -678,7 +693,6 @@ gl_LIBUNISTRING_LIBHEADER([0.9], [unitypes.h]) gl_FUNC_VASNPRINTF gl_FUNC_VSNPRINTF gl_STDIO_MODULE_INDICATOR([vsnprintf]) -AC_SUBST([WARN_CFLAGS]) gl_WCHAR_H gl_FUNC_WCRTOMB if test $HAVE_WCRTOMB = 0 || test $REPLACE_WCRTOMB = 1; then @@ -918,6 +932,9 @@ AC_DEFUN([gl_FILE_LIST], [ lib/localcharset.c lib/localcharset.h lib/locale.in.h + lib/localeconv.c + lib/log.c + lib/log1p.c lib/lstat.c lib/malloc.c lib/malloca.c @@ -962,6 +979,7 @@ AC_DEFUN([gl_FILE_LIST], [ lib/regexec.c lib/rename.c lib/rmdir.c + lib/round.c lib/safe-read.c lib/safe-read.h lib/safe-write.c @@ -986,16 +1004,13 @@ AC_DEFUN([gl_FILE_LIST], [ lib/stdint.in.h lib/stdio.in.h lib/stdlib.in.h - lib/strcasecmp.c lib/streq.h lib/strftime.c lib/strftime.h lib/striconveh.c lib/striconveh.h lib/string.in.h - lib/strings.in.h lib/stripslash.c - lib/strncasecmp.c lib/sys_file.in.h lib/sys_socket.in.h lib/sys_stat.in.h @@ -1036,6 +1051,7 @@ AC_DEFUN([gl_FILE_LIST], [ m4/canonicalize.m4 m4/ceil.m4 m4/check-math-lib.m4 + m4/clock_time.m4 m4/close.m4 m4/codeset.m4 m4/configmake.m4 @@ -1093,6 +1109,9 @@ AC_DEFUN([gl_FILE_LIST], [ m4/locale-ja.m4 m4/locale-zh.m4 m4/locale_h.m4 + m4/localeconv.m4 + m4/log.m4 + m4/log1p.m4 m4/longlong.m4 m4/lstat.m4 m4/malloc.m4 @@ -1114,6 +1133,7 @@ AC_DEFUN([gl_FILE_LIST], [ m4/nl_langinfo.m4 m4/nocrash.m4 m4/nproc.m4 + m4/off_t.m4 m4/open.m4 m4/pathmax.m4 m4/pipe2.m4 @@ -1125,6 +1145,7 @@ AC_DEFUN([gl_FILE_LIST], [ m4/regex.m4 m4/rename.m4 m4/rmdir.m4 + m4/round.m4 m4/safe-read.m4 m4/safe-write.m4 m4/servent.m4 @@ -1146,10 +1167,8 @@ AC_DEFUN([gl_FILE_LIST], [ m4/stdint_h.m4 m4/stdio_h.m4 m4/stdlib_h.m4 - m4/strcase.m4 m4/strftime.m4 m4/string_h.m4 - m4/strings_h.m4 m4/sys_file_h.m4 m4/sys_socket_h.m4 m4/sys_stat_h.m4 diff --git a/m4/largefile.m4 b/m4/largefile.m4 index 1369bbe52..a88850afe 100644 --- a/m4/largefile.m4 +++ b/m4/largefile.m4 @@ -102,3 +102,48 @@ fi ])# AC_SYS_LARGEFILE ])# m4_version_prereq 2.69 + +# Enable large files on systems where this is implemented by Gnulib, not by the +# system headers. +# Set the variables WINDOWS_64_BIT_OFF_T, WINDOWS_64_BIT_ST_SIZE if Gnulib +# overrides ensure that off_t or 'struct size.st_size' are 64-bit, respectively. +AC_DEFUN([gl_LARGEFILE], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + case "$host_os" in + mingw*) + dnl Native Windows. + dnl mingw64 defines off_t to a 64-bit type already, if + dnl _FILE_OFFSET_BITS=64, which is ensured by AC_SYS_LARGEFILE. + AC_CACHE_CHECK([for 64-bit off_t], [gl_cv_type_off_t_64], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/types.h> + int verify_off_t_size[sizeof (off_t) >= 8 ? 1 : -1]; + ]], + [[]])], + [gl_cv_type_off_t_64=yes], [gl_cv_type_off_t_64=no]) + ]) + if test $gl_cv_type_off_t_64 = no; then + WINDOWS_64_BIT_OFF_T=1 + else + WINDOWS_64_BIT_OFF_T=0 + fi + dnl But all native Windows platforms (including mingw64) have a 32-bit + dnl st_size member in 'struct stat'. + WINDOWS_64_BIT_ST_SIZE=1 + ;; + *) + dnl Nothing to do on gnulib's side. + dnl A 64-bit off_t is + dnl - already the default on Mac OS X, FreeBSD, NetBSD, OpenBSD, IRIX, + dnl OSF/1, Cygwin, + dnl - enabled by _FILE_OFFSET_BITS=64 (ensured by AC_SYS_LARGEFILE) on + dnl glibc, HP-UX, Solaris, + dnl - enabled by _LARGE_FILES=1 (ensured by AC_SYS_LARGEFILE) on AIX, + dnl - impossible to achieve on Minix 3.1.8. + WINDOWS_64_BIT_OFF_T=0 + WINDOWS_64_BIT_ST_SIZE=0 + ;; + esac +]) diff --git a/m4/locale-fr.m4 b/m4/locale-fr.m4 index 4cb14b5f5..71b68476c 100644 --- a/m4/locale-fr.m4 +++ b/m4/locale-fr.m4 @@ -1,4 +1,4 @@ -# locale-fr.m4 serial 14 +# locale-fr.m4 serial 17 dnl Copyright (C) 2003, 2005-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -28,7 +28,7 @@ int main () { #if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__ /* On native Windows, setlocale(category, "") looks at the system settings, not at the environment variables. Also, when an encoding suffix such - as ".65001" or ".54936" is speficied, it succeeds but sets the LC_CTYPE + as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE category of the locale to "C". */ if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0) @@ -37,7 +37,7 @@ int main () { if (setlocale (LC_ALL, "") == NULL) return 1; #endif /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646". - On MacOS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET) + On Mac OS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET) is empty, and the behaviour of Tcl 8.4 in this locale is not useful. On OpenBSD 4.0, when an unsupported locale is specified, setlocale() succeeds but then nl_langinfo(CODESET) is "646". In this situation, @@ -63,10 +63,12 @@ int main () { one byte long. This excludes the UTF-8 encoding. */ t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4; if (strftime (buf, sizeof (buf), "%b", &t) < 3 || buf[2] != 'v') return 1; +#if !defined __BIONIC__ /* Bionic libc's 'struct lconv' is just a dummy. */ /* Check whether the decimal separator is a comma. On NetBSD 3.0 in the fr_FR.ISO8859-1 locale, localeconv()->decimal_point are nl_langinfo(RADIXCHAR) are both ".". */ if (localeconv () ->decimal_point[0] != ',') return 1; +#endif return 0; } changequote([,])dnl @@ -90,7 +92,7 @@ changequote([,])dnl ;; *) # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because - # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the + # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the # configure script would override the LC_ALL setting. Likewise for # LC_CTYPE, which is also set at the beginning of the configure script. # Test for the usual locale name. @@ -154,7 +156,7 @@ int main () { # if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__ /* On native Windows, setlocale(category, "") looks at the system settings, not at the environment variables. Also, when an encoding suffix such - as ".65001" or ".54936" is speficied, it succeeds but sets the LC_CTYPE + as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE category of the locale to "C". */ if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0) @@ -163,7 +165,7 @@ int main () { if (setlocale (LC_ALL, "") == NULL) return 1; # endif /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646". - On MacOS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET) + On Mac OS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET) is empty, and the behaviour of Tcl 8.4 in this locale is not useful. On OpenBSD 4.0, when an unsupported locale is specified, setlocale() succeeds but then nl_langinfo(CODESET) is "646". In this situation, @@ -189,10 +191,12 @@ int main () { || buf[1] != (char) 0xc3 || buf[2] != (char) 0xa9 || buf[3] != 'v') return 1; #endif +#if !defined __BIONIC__ /* Bionic libc's 'struct lconv' is just a dummy. */ /* Check whether the decimal separator is a comma. On NetBSD 3.0 in the fr_FR.ISO8859-1 locale, localeconv()->decimal_point are nl_langinfo(RADIXCHAR) are both ".". */ if (localeconv () ->decimal_point[0] != ',') return 1; +#endif return 0; } changequote([,])dnl @@ -216,7 +220,7 @@ changequote([,])dnl ;; *) # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because - # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the + # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the # configure script would override the LC_ALL setting. Likewise for # LC_CTYPE, which is also set at the beginning of the configure script. # Test for the usual locale name. diff --git a/m4/locale-ja.m4 b/m4/locale-ja.m4 index b427f0992..5ba0e4381 100644 --- a/m4/locale-ja.m4 +++ b/m4/locale-ja.m4 @@ -1,4 +1,4 @@ -# locale-ja.m4 serial 10 +# locale-ja.m4 serial 12 dnl Copyright (C) 2003, 2005-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -30,7 +30,7 @@ int main () #if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__ /* On native Windows, setlocale(category, "") looks at the system settings, not at the environment variables. Also, when an encoding suffix such - as ".65001" or ".54936" is speficied, it succeeds but sets the LC_CTYPE + as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE category of the locale to "C". */ if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0) @@ -39,7 +39,7 @@ int main () if (setlocale (LC_ALL, "") == NULL) return 1; #endif /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646". - On MacOS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET) + On Mac OS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET) is empty, and the behaviour of Tcl 8.4 in this locale is not useful. On OpenBSD 4.0, when an unsupported locale is specified, setlocale() succeeds but then nl_langinfo(CODESET) is "646". In this situation, @@ -91,7 +91,7 @@ changequote([,])dnl ;; *) # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because - # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the + # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the # configure script would override the LC_ALL setting. Likewise for # LC_CTYPE, which is also set at the beginning of the configure script. # Test for the AIX locale name. diff --git a/m4/locale-zh.m4 b/m4/locale-zh.m4 index de1a43b30..e5502b29e 100644 --- a/m4/locale-zh.m4 +++ b/m4/locale-zh.m4 @@ -1,4 +1,4 @@ -# locale-zh.m4 serial 10 +# locale-zh.m4 serial 12 dnl Copyright (C) 2003, 2005-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -31,7 +31,7 @@ int main () #if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__ /* On native Windows, setlocale(category, "") looks at the system settings, not at the environment variables. Also, when an encoding suffix such - as ".65001" or ".54936" is speficied, it succeeds but sets the LC_CTYPE + as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE category of the locale to "C". */ if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0) @@ -40,7 +40,7 @@ int main () if (setlocale (LC_ALL, "") == NULL) return 1; #endif /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646". - On MacOS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET) + On Mac OS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET) is empty, and the behaviour of Tcl 8.4 in this locale is not useful. On OpenBSD 4.0, when an unsupported locale is specified, setlocale() succeeds but then nl_langinfo(CODESET) is "646". In this situation, @@ -101,7 +101,7 @@ changequote([,])dnl ;; *) # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because - # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the + # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the # configure script would override the LC_ALL setting. Likewise for # LC_CTYPE, which is also set at the beginning of the configure script. # Test for the locale name without encoding suffix. diff --git a/m4/locale_h.m4 b/m4/locale_h.m4 index 428958745..c0f4d524a 100644 --- a/m4/locale_h.m4 +++ b/m4/locale_h.m4 @@ -1,4 +1,4 @@ -# locale_h.m4 serial 14 +# locale_h.m4 serial 19 dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -10,18 +10,29 @@ AC_DEFUN([gl_LOCALE_H], dnl once only, before all statements that occur in other macros. AC_REQUIRE([gl_LOCALE_H_DEFAULTS]) - dnl Persuade glibc <locale.h> to define locale_t. + dnl Persuade glibc <locale.h> to define locale_t and the int_p_*, int_n_* + dnl members of 'struct lconv'. AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) dnl If <stddef.h> is replaced, then <locale.h> must also be replaced. AC_REQUIRE([gl_STDDEF_H]) + dnl Solaris 11 2011-11 defines the int_p_*, int_n_* members of 'struct lconv' + dnl only if _LCONV_C99 is defined. + AC_REQUIRE([AC_CANONICAL_HOST]) + case "$host_os" in + solaris*) + AC_DEFINE([_LCONV_C99], [1], [Define to 1 on Solaris.]) + ;; + esac + AC_CACHE_CHECK([whether locale.h conforms to POSIX:2001], [gl_cv_header_locale_h_posix2001], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[#include <locale.h> - int x = LC_MESSAGES;]], + int x = LC_MESSAGES; + int y = sizeof (((struct lconv *) 0)->decimal_point);]], [[]])], [gl_cv_header_locale_h_posix2001=yes], [gl_cv_header_locale_h_posix2001=no])]) @@ -31,7 +42,7 @@ AC_DEFUN([gl_LOCALE_H], if test $ac_cv_header_xlocale_h = yes; then HAVE_XLOCALE_H=1 dnl Check whether use of locale_t requires inclusion of <xlocale.h>, - dnl e.g. on MacOS X 10.5. If <locale.h> does not define locale_t by + dnl e.g. on Mac OS X 10.5. If <locale.h> does not define locale_t by dnl itself, we assume that <xlocale.h> will do so. AC_CACHE_CHECK([whether locale.h defines locale_t], [gl_cv_header_locale_has_locale_t], @@ -54,6 +65,26 @@ AC_DEFUN([gl_LOCALE_H], fi AC_SUBST([HAVE_XLOCALE_H]) + dnl Check whether 'struct lconv' is complete. + dnl Bionic libc's 'struct lconv' is just a dummy. + dnl On OpenBSD 4.9, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 9, Cygwin 1.5.x, + dnl mingw, MSVC 9, it lacks the int_p_* and int_n_* members. + AC_CACHE_CHECK([whether struct lconv is properly defined], + [gl_cv_sys_struct_lconv_ok], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <locale.h> + struct lconv l; + int x = sizeof (l.decimal_point); + int y = sizeof (l.int_p_cs_precedes);]], + [[]])], + [gl_cv_sys_struct_lconv_ok=yes], + [gl_cv_sys_struct_lconv_ok=no]) + ]) + if test $gl_cv_sys_struct_lconv_ok = no; then + REPLACE_STRUCT_LCONV=1 + fi + dnl <locale.h> is always overridden, because of GNULIB_POSIXCHECK. gl_NEXT_HEADERS([locale.h]) @@ -79,10 +110,13 @@ AC_DEFUN([gl_LOCALE_MODULE_INDICATOR], AC_DEFUN([gl_LOCALE_H_DEFAULTS], [ + GNULIB_LOCALECONV=0; AC_SUBST([GNULIB_LOCALECONV]) GNULIB_SETLOCALE=0; AC_SUBST([GNULIB_SETLOCALE]) GNULIB_DUPLOCALE=0; AC_SUBST([GNULIB_DUPLOCALE]) dnl Assume proper GNU behavior unless another module says otherwise. - HAVE_DUPLOCALE=1; AC_SUBST([HAVE_DUPLOCALE]) - REPLACE_SETLOCALE=0; AC_SUBST([REPLACE_SETLOCALE]) - REPLACE_DUPLOCALE=0; AC_SUBST([REPLACE_DUPLOCALE]) + HAVE_DUPLOCALE=1; AC_SUBST([HAVE_DUPLOCALE]) + REPLACE_LOCALECONV=0; AC_SUBST([REPLACE_LOCALECONV]) + REPLACE_SETLOCALE=0; AC_SUBST([REPLACE_SETLOCALE]) + REPLACE_DUPLOCALE=0; AC_SUBST([REPLACE_DUPLOCALE]) + REPLACE_STRUCT_LCONV=0; AC_SUBST([REPLACE_STRUCT_LCONV]) ]) diff --git a/m4/localeconv.m4 b/m4/localeconv.m4 new file mode 100644 index 000000000..5fae06d88 --- /dev/null +++ b/m4/localeconv.m4 @@ -0,0 +1,22 @@ +# localeconv.m4 serial 1 +dnl Copyright (C) 2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_LOCALECONV], +[ + AC_REQUIRE([gl_LOCALE_H_DEFAULTS]) + AC_REQUIRE([gl_LOCALE_H]) + + if test $REPLACE_STRUCT_LCONV = 1; then + REPLACE_LOCALECONV=1 + fi +]) + +# Prerequisites of lib/localeconv.c. +AC_DEFUN([gl_PREREQ_LOCALECONV], +[ + AC_CHECK_MEMBERS([struct lconv.decimal_point], [], [], + [[#include <locale.h>]]) +]) diff --git a/m4/log.m4 b/m4/log.m4 new file mode 100644 index 000000000..a04362ae5 --- /dev/null +++ b/m4/log.m4 @@ -0,0 +1,107 @@ +# log.m4 serial 4 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_LOG], +[ + m4_divert_text([DEFAULTS], [gl_log_required=plain]) + AC_REQUIRE([gl_MATH_H_DEFAULTS]) + + dnl Determine LOG_LIBM. + gl_COMMON_DOUBLE_MATHFUNC([log]) + + save_LIBS="$LIBS" + LIBS="$LIBS $LOG_LIBM" + gl_FUNC_LOG_WORKS + LIBS="$save_LIBS" + case "$gl_cv_func_log_works" in + *yes) ;; + *) REPLACE_LOG=1 ;; + esac + + m4_ifdef([gl_FUNC_LOG_IEEE], [ + if test $gl_log_required = ieee && test $REPLACE_LOG = 0; then + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether log works according to ISO C 99 with IEC 60559], + [gl_cv_func_log_ieee], + [ + save_LIBS="$LIBS" + LIBS="$LIBS $LOG_LIBM" + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#ifndef __NO_MATH_INLINES +# define __NO_MATH_INLINES 1 /* for glibc */ +#endif +#include <math.h> +/* Compare two numbers with ==. + This is a separate function because IRIX 6.5 "cc -O" miscompiles an + 'x == x' test. */ +static int +numeric_equal (double x, double y) +{ + return x == y; +} +static double dummy (double x) { return 0; } +int main (int argc, char *argv[]) +{ + double (*my_log) (double) = argc ? log : dummy; + /* Test log(negative). + This test fails on NetBSD 5.1, Solaris 11 2011-11. */ + double y = my_log (-1.0); + if (numeric_equal (y, y)) + return 1; + return 0; +} + ]])], + [gl_cv_func_log_ieee=yes], + [gl_cv_func_log_ieee=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_log_ieee="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_log_ieee="guessing no" ;; + esac + ]) + LIBS="$save_LIBS" + ]) + case "$gl_cv_func_log_ieee" in + *yes) ;; + *) REPLACE_LOG=1 ;; + esac + fi + ]) +]) + +dnl Test whether log() works. +dnl On OSF/1 5.1, log(-0.0) is NaN. +AC_DEFUN([gl_FUNC_LOG_WORKS], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether log works], [gl_cv_func_log_works], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <math.h> +volatile double x; +double y; +int main () +{ + x = -0.0; + y = log (x); + if (!(y + y == y)) + return 1; + return 0; +} +]])], + [gl_cv_func_log_works=yes], + [gl_cv_func_log_works=no], + [case "$host_os" in + osf*) gl_cv_func_log_works="guessing no";; + *) gl_cv_func_log_works="guessing yes";; + esac + ]) + ]) +]) diff --git a/m4/log1p.m4 b/m4/log1p.m4 new file mode 100644 index 000000000..4bca324e9 --- /dev/null +++ b/m4/log1p.m4 @@ -0,0 +1,94 @@ +# log1p.m4 serial 3 +dnl Copyright (C) 2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_LOG1P], +[ + m4_divert_text([DEFAULTS], [gl_log1p_required=plain]) + AC_REQUIRE([gl_MATH_H_DEFAULTS]) + + dnl Persuade glibc <math.h> to declare log1p(). + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + dnl Determine LOG1P_LIBM. + gl_COMMON_DOUBLE_MATHFUNC([log1p]) + + dnl Test whether log1p() exists. + save_LIBS="$LIBS" + LIBS="$LIBS $LOG1P_LIBM" + AC_CHECK_FUNCS([log1p]) + LIBS="$save_LIBS" + if test $ac_cv_func_log1p = yes; then + : + m4_ifdef([gl_FUNC_LOG1P_IEEE], [ + if test $gl_log1p_required = ieee && test $REPLACE_LOG1P = 0; then + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether log1p works according to ISO C 99 with IEC 60559], + [gl_cv_func_log1p_ieee], + [ + save_LIBS="$LIBS" + LIBS="$LIBS $LOG1P_LIBM" + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#ifndef __NO_MATH_INLINES +# define __NO_MATH_INLINES 1 /* for glibc */ +#endif +#include <math.h> +]gl_DOUBLE_MINUS_ZERO_CODE[ +]gl_DOUBLE_SIGNBIT_CODE[ +static double dummy (double x) { return 0; } +int main (int argc, char *argv[]) +{ + double (*my_log1p) (double) = argc ? log1p : dummy; + /* This test fails on AIX, HP-UX 11. */ + double y = my_log1p (minus_zerod); + if (!(y == 0.0) || (signbitd (minus_zerod) && !signbitd (y))) + return 1; + return 0; +} + ]])], + [gl_cv_func_log1p_ieee=yes], + [gl_cv_func_log1p_ieee=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_log1p_ieee="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_log1p_ieee="guessing no" ;; + esac + ]) + LIBS="$save_LIBS" + ]) + case "$gl_cv_func_log1p_ieee" in + *yes) ;; + *) REPLACE_LOG1P=1 ;; + esac + fi + ]) + else + HAVE_LOG1P=0 + fi + if test $HAVE_LOG1P = 0 || test $REPLACE_LOG1P = 1; then + dnl Find libraries needed to link lib/log1p.c. + AC_REQUIRE([gl_FUNC_ISNAND]) + AC_REQUIRE([gl_FUNC_LOG]) + AC_REQUIRE([gl_FUNC_ROUND]) + LOG1P_LIBM= + dnl Append $ISNAND_LIBM to LOG1P_LIBM, avoiding gratuitous duplicates. + case " $LOG1P_LIBM " in + *" $ISNAND_LIBM "*) ;; + *) LOG1P_LIBM="$LOG1P_LIBM $ISNAND_LIBM" ;; + esac + dnl Append $LOG_LIBM to LOG1P_LIBM, avoiding gratuitous duplicates. + case " $LOG1P_LIBM " in + *" $LOG_LIBM "*) ;; + *) LOG1P_LIBM="$LOG1P_LIBM $LOG_LIBM" ;; + esac + dnl Append $ROUND_LIBM to LOG1P_LIBM, avoiding gratuitous duplicates. + case " $LOG1P_LIBM " in + *" $ROUND_LIBM "*) ;; + *) LOG1P_LIBM="$LOG1P_LIBM $ROUND_LIBM" ;; + esac + fi +]) diff --git a/m4/lstat.m4 b/m4/lstat.m4 index b83858bdb..b7335bda1 100644 --- a/m4/lstat.m4 +++ b/m4/lstat.m4 @@ -1,4 +1,4 @@ -# serial 24 +# serial 25 # Copyright (C) 1997-2001, 2003-2012 Free Software Foundation, Inc. # @@ -16,9 +16,11 @@ AC_DEFUN([gl_FUNC_LSTAT], AC_CHECK_FUNCS_ONCE([lstat]) if test $ac_cv_func_lstat = yes; then AC_REQUIRE([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK]) - if test $gl_cv_func_lstat_dereferences_slashed_symlink = no; then - REPLACE_LSTAT=1 - fi + case "$gl_cv_func_lstat_dereferences_slashed_symlink" in + *no) + REPLACE_LSTAT=1 + ;; + esac else HAVE_LSTAT=0 fi @@ -51,20 +53,25 @@ AC_DEFUN([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK], ]])], [gl_cv_func_lstat_dereferences_slashed_symlink=yes], [gl_cv_func_lstat_dereferences_slashed_symlink=no], - [# When cross-compiling, be pessimistic so we will end up using the - # replacement version of lstat that checks for trailing slashes and - # calls lstat a second time when necessary. - gl_cv_func_lstat_dereferences_slashed_symlink=no + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_lstat_dereferences_slashed_symlink="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" ;; + esac ]) else # If the 'ln -s' command failed, then we probably don't even # have an lstat function. - gl_cv_func_lstat_dereferences_slashed_symlink=no + gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" fi rm -f conftest.sym conftest.file ]) - test $gl_cv_func_lstat_dereferences_slashed_symlink = yes && - AC_DEFINE_UNQUOTED([LSTAT_FOLLOWS_SLASHED_SYMLINK], [1], - [Define to 1 if 'lstat' dereferences a symlink specified - with a trailing slash.]) + case "$gl_cv_func_lstat_dereferences_slashed_symlink" in + *yes) + AC_DEFINE_UNQUOTED([LSTAT_FOLLOWS_SLASHED_SYMLINK], [1], + [Define to 1 if 'lstat' dereferences a symlink specified + with a trailing slash.]) + ;; + esac ]) diff --git a/m4/malloc.m4 b/m4/malloc.m4 index d3c39f5d9..8fa48e93b 100644 --- a/m4/malloc.m4 +++ b/m4/malloc.m4 @@ -1,9 +1,47 @@ -# malloc.m4 serial 13 +# malloc.m4 serial 14 dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. +m4_version_prereq([2.70], [] ,[ + +# This is taken from the following Autoconf patch: +# http://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=commitdiff;h=7fbb553727ed7e0e689a17594b58559ecf3ea6e9 +AC_DEFUN([_AC_FUNC_MALLOC_IF], +[ + AC_REQUIRE([AC_HEADER_STDC])dnl + AC_REQUIRE([AC_CANONICAL_HOST])dnl for cross-compiles + AC_CHECK_HEADERS([stdlib.h]) + AC_CACHE_CHECK([for GNU libc compatible malloc], + [ac_cv_func_malloc_0_nonnull], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#if defined STDC_HEADERS || defined HAVE_STDLIB_H + # include <stdlib.h> + #else + char *malloc (); + #endif + ]], + [[return ! malloc (0);]]) + ], + [ac_cv_func_malloc_0_nonnull=yes], + [ac_cv_func_malloc_0_nonnull=no], + [case "$host_os" in + # Guess yes on platforms where we know the result. + *-gnu* | freebsd* | netbsd* | openbsd* \ + | hpux* | solaris* | cygwin* | mingw*) + ac_cv_func_malloc_0_nonnull=yes ;; + # If we don't know, assume the worst. + *) ac_cv_func_malloc_0_nonnull=no ;; + esac + ]) + ]) + AS_IF([test $ac_cv_func_malloc_0_nonnull = yes], [$1], [$2]) +])# _AC_FUNC_MALLOC_IF + +]) + # gl_FUNC_MALLOC_GNU # ------------------ # Test whether 'malloc (0)' is handled like in GNU libc, and replace malloc if diff --git a/m4/math_h.m4 b/m4/math_h.m4 index 5d7d52bba..90d248aec 100644 --- a/m4/math_h.m4 +++ b/m4/math_h.m4 @@ -1,4 +1,4 @@ -# math_h.m4 serial 56 +# math_h.m4 serial 113 dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -40,9 +40,16 @@ AC_DEFUN([gl_MATH_H], dnl corresponding gnulib module is not in use. gl_WARN_ON_USE_PREPARE([[#include <math.h>]], [acosf acosl asinf asinl atanf atanl - ceilf ceill copysign copysignf copysignl cosf cosl coshf - expf expl fabsf floorf floorl fma fmaf fmal fmodf frexpf frexpl - ldexpf ldexpl logb logf logl log10f modff powf + cbrt cbrtf cbrtl ceilf ceill copysign copysignf copysignl cosf cosl coshf + expf expl exp2 exp2f exp2l expm1 expm1f expm1l + fabsf fabsl floorf floorl fma fmaf fmal + fmod fmodf fmodl frexpf frexpl hypotf hypotl + ilogb ilogbf ilogbl + ldexpf ldexpl + log logf logl log10 log10f log10l log1p log1pf log1pl log2 log2f log2l + logb logbf logbl + modf modff modfl powf + remainder remainderf remainderl rint rintf rintl round roundf roundl sinf sinl sinhf sqrtf sqrtl tanf tanl tanhf trunc truncf truncl]) ]) @@ -58,67 +65,101 @@ AC_DEFUN([gl_MATH_MODULE_INDICATOR], AC_DEFUN([gl_MATH_H_DEFAULTS], [ - GNULIB_ACOSF=0; AC_SUBST([GNULIB_ACOSF]) - GNULIB_ACOSL=0; AC_SUBST([GNULIB_ACOSL]) - GNULIB_ASINF=0; AC_SUBST([GNULIB_ASINF]) - GNULIB_ASINL=0; AC_SUBST([GNULIB_ASINL]) - GNULIB_ATANF=0; AC_SUBST([GNULIB_ATANF]) - GNULIB_ATANL=0; AC_SUBST([GNULIB_ATANL]) - GNULIB_ATAN2F=0; AC_SUBST([GNULIB_ATAN2F]) - GNULIB_CEIL=0; AC_SUBST([GNULIB_CEIL]) - GNULIB_CEILF=0; AC_SUBST([GNULIB_CEILF]) - GNULIB_CEILL=0; AC_SUBST([GNULIB_CEILL]) - GNULIB_COPYSIGN=0; AC_SUBST([GNULIB_COPYSIGN]) - GNULIB_COPYSIGNF=0; AC_SUBST([GNULIB_COPYSIGNF]) - GNULIB_COPYSIGNL=0; AC_SUBST([GNULIB_COPYSIGNL]) - GNULIB_COSF=0; AC_SUBST([GNULIB_COSF]) - GNULIB_COSL=0; AC_SUBST([GNULIB_COSL]) - GNULIB_COSHF=0; AC_SUBST([GNULIB_COSHF]) - GNULIB_EXPF=0; AC_SUBST([GNULIB_EXPF]) - GNULIB_EXPL=0; AC_SUBST([GNULIB_EXPL]) - GNULIB_FABSF=0; AC_SUBST([GNULIB_FABSF]) - GNULIB_FLOOR=0; AC_SUBST([GNULIB_FLOOR]) - GNULIB_FLOORF=0; AC_SUBST([GNULIB_FLOORF]) - GNULIB_FLOORL=0; AC_SUBST([GNULIB_FLOORL]) - GNULIB_FMA=0; AC_SUBST([GNULIB_FMA]) - GNULIB_FMAF=0; AC_SUBST([GNULIB_FMAF]) - GNULIB_FMAL=0; AC_SUBST([GNULIB_FMAL]) - GNULIB_FMODF=0; AC_SUBST([GNULIB_FMODF]) - GNULIB_FREXPF=0; AC_SUBST([GNULIB_FREXPF]) - GNULIB_FREXP=0; AC_SUBST([GNULIB_FREXP]) - GNULIB_FREXPL=0; AC_SUBST([GNULIB_FREXPL]) - GNULIB_ISFINITE=0; AC_SUBST([GNULIB_ISFINITE]) - GNULIB_ISINF=0; AC_SUBST([GNULIB_ISINF]) - GNULIB_ISNAN=0; AC_SUBST([GNULIB_ISNAN]) - GNULIB_ISNANF=0; AC_SUBST([GNULIB_ISNANF]) - GNULIB_ISNAND=0; AC_SUBST([GNULIB_ISNAND]) - GNULIB_ISNANL=0; AC_SUBST([GNULIB_ISNANL]) - GNULIB_LDEXPF=0; AC_SUBST([GNULIB_LDEXPF]) - GNULIB_LDEXPL=0; AC_SUBST([GNULIB_LDEXPL]) - GNULIB_LOGB=0; AC_SUBST([GNULIB_LOGB]) - GNULIB_LOGF=0; AC_SUBST([GNULIB_LOGF]) - GNULIB_LOGL=0; AC_SUBST([GNULIB_LOGL]) - GNULIB_LOG10F=0; AC_SUBST([GNULIB_LOG10F]) - GNULIB_MODFF=0; AC_SUBST([GNULIB_MODFF]) - GNULIB_POWF=0; AC_SUBST([GNULIB_POWF]) - GNULIB_RINT=0; AC_SUBST([GNULIB_RINT]) - GNULIB_RINTF=0; AC_SUBST([GNULIB_RINTF]) - GNULIB_RINTL=0; AC_SUBST([GNULIB_RINTL]) - GNULIB_ROUND=0; AC_SUBST([GNULIB_ROUND]) - GNULIB_ROUNDF=0; AC_SUBST([GNULIB_ROUNDF]) - GNULIB_ROUNDL=0; AC_SUBST([GNULIB_ROUNDL]) - GNULIB_SIGNBIT=0; AC_SUBST([GNULIB_SIGNBIT]) - GNULIB_SINF=0; AC_SUBST([GNULIB_SINF]) - GNULIB_SINL=0; AC_SUBST([GNULIB_SINL]) - GNULIB_SINHF=0; AC_SUBST([GNULIB_SINHF]) - GNULIB_SQRTF=0; AC_SUBST([GNULIB_SQRTF]) - GNULIB_SQRTL=0; AC_SUBST([GNULIB_SQRTL]) - GNULIB_TANF=0; AC_SUBST([GNULIB_TANF]) - GNULIB_TANL=0; AC_SUBST([GNULIB_TANL]) - GNULIB_TANHF=0; AC_SUBST([GNULIB_TANHF]) - GNULIB_TRUNC=0; AC_SUBST([GNULIB_TRUNC]) - GNULIB_TRUNCF=0; AC_SUBST([GNULIB_TRUNCF]) - GNULIB_TRUNCL=0; AC_SUBST([GNULIB_TRUNCL]) + GNULIB_ACOSF=0; AC_SUBST([GNULIB_ACOSF]) + GNULIB_ACOSL=0; AC_SUBST([GNULIB_ACOSL]) + GNULIB_ASINF=0; AC_SUBST([GNULIB_ASINF]) + GNULIB_ASINL=0; AC_SUBST([GNULIB_ASINL]) + GNULIB_ATANF=0; AC_SUBST([GNULIB_ATANF]) + GNULIB_ATANL=0; AC_SUBST([GNULIB_ATANL]) + GNULIB_ATAN2F=0; AC_SUBST([GNULIB_ATAN2F]) + GNULIB_CBRT=0; AC_SUBST([GNULIB_CBRT]) + GNULIB_CBRTF=0; AC_SUBST([GNULIB_CBRTF]) + GNULIB_CBRTL=0; AC_SUBST([GNULIB_CBRTL]) + GNULIB_CEIL=0; AC_SUBST([GNULIB_CEIL]) + GNULIB_CEILF=0; AC_SUBST([GNULIB_CEILF]) + GNULIB_CEILL=0; AC_SUBST([GNULIB_CEILL]) + GNULIB_COPYSIGN=0; AC_SUBST([GNULIB_COPYSIGN]) + GNULIB_COPYSIGNF=0; AC_SUBST([GNULIB_COPYSIGNF]) + GNULIB_COPYSIGNL=0; AC_SUBST([GNULIB_COPYSIGNL]) + GNULIB_COSF=0; AC_SUBST([GNULIB_COSF]) + GNULIB_COSL=0; AC_SUBST([GNULIB_COSL]) + GNULIB_COSHF=0; AC_SUBST([GNULIB_COSHF]) + GNULIB_EXPF=0; AC_SUBST([GNULIB_EXPF]) + GNULIB_EXPL=0; AC_SUBST([GNULIB_EXPL]) + GNULIB_EXP2=0; AC_SUBST([GNULIB_EXP2]) + GNULIB_EXP2F=0; AC_SUBST([GNULIB_EXP2F]) + GNULIB_EXP2L=0; AC_SUBST([GNULIB_EXP2L]) + GNULIB_EXPM1=0; AC_SUBST([GNULIB_EXPM1]) + GNULIB_EXPM1F=0; AC_SUBST([GNULIB_EXPM1F]) + GNULIB_EXPM1L=0; AC_SUBST([GNULIB_EXPM1L]) + GNULIB_FABSF=0; AC_SUBST([GNULIB_FABSF]) + GNULIB_FABSL=0; AC_SUBST([GNULIB_FABSL]) + GNULIB_FLOOR=0; AC_SUBST([GNULIB_FLOOR]) + GNULIB_FLOORF=0; AC_SUBST([GNULIB_FLOORF]) + GNULIB_FLOORL=0; AC_SUBST([GNULIB_FLOORL]) + GNULIB_FMA=0; AC_SUBST([GNULIB_FMA]) + GNULIB_FMAF=0; AC_SUBST([GNULIB_FMAF]) + GNULIB_FMAL=0; AC_SUBST([GNULIB_FMAL]) + GNULIB_FMOD=0; AC_SUBST([GNULIB_FMOD]) + GNULIB_FMODF=0; AC_SUBST([GNULIB_FMODF]) + GNULIB_FMODL=0; AC_SUBST([GNULIB_FMODL]) + GNULIB_FREXPF=0; AC_SUBST([GNULIB_FREXPF]) + GNULIB_FREXP=0; AC_SUBST([GNULIB_FREXP]) + GNULIB_FREXPL=0; AC_SUBST([GNULIB_FREXPL]) + GNULIB_HYPOT=0; AC_SUBST([GNULIB_HYPOT]) + GNULIB_HYPOTF=0; AC_SUBST([GNULIB_HYPOTF]) + GNULIB_HYPOTL=0; AC_SUBST([GNULIB_HYPOTL]) + GNULIB_ILOGB=0; AC_SUBST([GNULIB_ILOGB]) + GNULIB_ILOGBF=0; AC_SUBST([GNULIB_ILOGBF]) + GNULIB_ILOGBL=0; AC_SUBST([GNULIB_ILOGBL]) + GNULIB_ISFINITE=0; AC_SUBST([GNULIB_ISFINITE]) + GNULIB_ISINF=0; AC_SUBST([GNULIB_ISINF]) + GNULIB_ISNAN=0; AC_SUBST([GNULIB_ISNAN]) + GNULIB_ISNANF=0; AC_SUBST([GNULIB_ISNANF]) + GNULIB_ISNAND=0; AC_SUBST([GNULIB_ISNAND]) + GNULIB_ISNANL=0; AC_SUBST([GNULIB_ISNANL]) + GNULIB_LDEXPF=0; AC_SUBST([GNULIB_LDEXPF]) + GNULIB_LDEXPL=0; AC_SUBST([GNULIB_LDEXPL]) + GNULIB_LOG=0; AC_SUBST([GNULIB_LOG]) + GNULIB_LOGF=0; AC_SUBST([GNULIB_LOGF]) + GNULIB_LOGL=0; AC_SUBST([GNULIB_LOGL]) + GNULIB_LOG10=0; AC_SUBST([GNULIB_LOG10]) + GNULIB_LOG10F=0; AC_SUBST([GNULIB_LOG10F]) + GNULIB_LOG10L=0; AC_SUBST([GNULIB_LOG10L]) + GNULIB_LOG1P=0; AC_SUBST([GNULIB_LOG1P]) + GNULIB_LOG1PF=0; AC_SUBST([GNULIB_LOG1PF]) + GNULIB_LOG1PL=0; AC_SUBST([GNULIB_LOG1PL]) + GNULIB_LOG2=0; AC_SUBST([GNULIB_LOG2]) + GNULIB_LOG2F=0; AC_SUBST([GNULIB_LOG2F]) + GNULIB_LOG2L=0; AC_SUBST([GNULIB_LOG2L]) + GNULIB_LOGB=0; AC_SUBST([GNULIB_LOGB]) + GNULIB_LOGBF=0; AC_SUBST([GNULIB_LOGBF]) + GNULIB_LOGBL=0; AC_SUBST([GNULIB_LOGBL]) + GNULIB_MODF=0; AC_SUBST([GNULIB_MODF]) + GNULIB_MODFF=0; AC_SUBST([GNULIB_MODFF]) + GNULIB_MODFL=0; AC_SUBST([GNULIB_MODFL]) + GNULIB_POWF=0; AC_SUBST([GNULIB_POWF]) + GNULIB_REMAINDER=0; AC_SUBST([GNULIB_REMAINDER]) + GNULIB_REMAINDERF=0; AC_SUBST([GNULIB_REMAINDERF]) + GNULIB_REMAINDERL=0; AC_SUBST([GNULIB_REMAINDERL]) + GNULIB_RINT=0; AC_SUBST([GNULIB_RINT]) + GNULIB_RINTF=0; AC_SUBST([GNULIB_RINTF]) + GNULIB_RINTL=0; AC_SUBST([GNULIB_RINTL]) + GNULIB_ROUND=0; AC_SUBST([GNULIB_ROUND]) + GNULIB_ROUNDF=0; AC_SUBST([GNULIB_ROUNDF]) + GNULIB_ROUNDL=0; AC_SUBST([GNULIB_ROUNDL]) + GNULIB_SIGNBIT=0; AC_SUBST([GNULIB_SIGNBIT]) + GNULIB_SINF=0; AC_SUBST([GNULIB_SINF]) + GNULIB_SINL=0; AC_SUBST([GNULIB_SINL]) + GNULIB_SINHF=0; AC_SUBST([GNULIB_SINHF]) + GNULIB_SQRTF=0; AC_SUBST([GNULIB_SQRTF]) + GNULIB_SQRTL=0; AC_SUBST([GNULIB_SQRTL]) + GNULIB_TANF=0; AC_SUBST([GNULIB_TANF]) + GNULIB_TANL=0; AC_SUBST([GNULIB_TANL]) + GNULIB_TANHF=0; AC_SUBST([GNULIB_TANHF]) + GNULIB_TRUNC=0; AC_SUBST([GNULIB_TRUNC]) + GNULIB_TRUNCF=0; AC_SUBST([GNULIB_TRUNCF]) + GNULIB_TRUNCL=0; AC_SUBST([GNULIB_TRUNCL]) dnl Assume proper GNU behavior unless another module says otherwise. HAVE_ACOSF=1; AC_SUBST([HAVE_ACOSF]) HAVE_ACOSL=1; AC_SUBST([HAVE_ACOSL]) @@ -127,20 +168,31 @@ AC_DEFUN([gl_MATH_H_DEFAULTS], HAVE_ATANF=1; AC_SUBST([HAVE_ATANF]) HAVE_ATANL=1; AC_SUBST([HAVE_ATANL]) HAVE_ATAN2F=1; AC_SUBST([HAVE_ATAN2F]) + HAVE_CBRT=1; AC_SUBST([HAVE_CBRT]) + HAVE_CBRTF=1; AC_SUBST([HAVE_CBRTF]) + HAVE_CBRTL=1; AC_SUBST([HAVE_CBRTL]) HAVE_COPYSIGN=1; AC_SUBST([HAVE_COPYSIGN]) - HAVE_COPYSIGNF=1; AC_SUBST([HAVE_COPYSIGNF]) HAVE_COPYSIGNL=1; AC_SUBST([HAVE_COPYSIGNL]) HAVE_COSF=1; AC_SUBST([HAVE_COSF]) HAVE_COSL=1; AC_SUBST([HAVE_COSL]) HAVE_COSHF=1; AC_SUBST([HAVE_COSHF]) HAVE_EXPF=1; AC_SUBST([HAVE_EXPF]) HAVE_EXPL=1; AC_SUBST([HAVE_EXPL]) + HAVE_EXPM1=1; AC_SUBST([HAVE_EXPM1]) + HAVE_EXPM1F=1; AC_SUBST([HAVE_EXPM1F]) HAVE_FABSF=1; AC_SUBST([HAVE_FABSF]) + HAVE_FABSL=1; AC_SUBST([HAVE_FABSL]) HAVE_FMA=1; AC_SUBST([HAVE_FMA]) HAVE_FMAF=1; AC_SUBST([HAVE_FMAF]) HAVE_FMAL=1; AC_SUBST([HAVE_FMAL]) HAVE_FMODF=1; AC_SUBST([HAVE_FMODF]) + HAVE_FMODL=1; AC_SUBST([HAVE_FMODL]) HAVE_FREXPF=1; AC_SUBST([HAVE_FREXPF]) + HAVE_HYPOTF=1; AC_SUBST([HAVE_HYPOTF]) + HAVE_HYPOTL=1; AC_SUBST([HAVE_HYPOTL]) + HAVE_ILOGB=1; AC_SUBST([HAVE_ILOGB]) + HAVE_ILOGBF=1; AC_SUBST([HAVE_ILOGBF]) + HAVE_ILOGBL=1; AC_SUBST([HAVE_ILOGBL]) HAVE_ISNANF=1; AC_SUBST([HAVE_ISNANF]) HAVE_ISNAND=1; AC_SUBST([HAVE_ISNAND]) HAVE_ISNANL=1; AC_SUBST([HAVE_ISNANL]) @@ -148,10 +200,18 @@ AC_DEFUN([gl_MATH_H_DEFAULTS], HAVE_LOGF=1; AC_SUBST([HAVE_LOGF]) HAVE_LOGL=1; AC_SUBST([HAVE_LOGL]) HAVE_LOG10F=1; AC_SUBST([HAVE_LOG10F]) + HAVE_LOG10L=1; AC_SUBST([HAVE_LOG10L]) + HAVE_LOG1P=1; AC_SUBST([HAVE_LOG1P]) + HAVE_LOG1PF=1; AC_SUBST([HAVE_LOG1PF]) + HAVE_LOG1PL=1; AC_SUBST([HAVE_LOG1PL]) + HAVE_LOGBF=1; AC_SUBST([HAVE_LOGBF]) + HAVE_LOGBL=1; AC_SUBST([HAVE_LOGBL]) HAVE_MODFF=1; AC_SUBST([HAVE_MODFF]) + HAVE_MODFL=1; AC_SUBST([HAVE_MODFL]) HAVE_POWF=1; AC_SUBST([HAVE_POWF]) + HAVE_REMAINDER=1; AC_SUBST([HAVE_REMAINDER]) + HAVE_REMAINDERF=1; AC_SUBST([HAVE_REMAINDERF]) HAVE_RINT=1; AC_SUBST([HAVE_RINT]) - HAVE_RINTF=1; AC_SUBST([HAVE_RINTF]) HAVE_RINTL=1; AC_SUBST([HAVE_RINTL]) HAVE_SINF=1; AC_SUBST([HAVE_SINF]) HAVE_SINL=1; AC_SUBST([HAVE_SINL]) @@ -164,16 +224,30 @@ AC_DEFUN([gl_MATH_H_DEFAULTS], HAVE_DECL_ACOSL=1; AC_SUBST([HAVE_DECL_ACOSL]) HAVE_DECL_ASINL=1; AC_SUBST([HAVE_DECL_ASINL]) HAVE_DECL_ATANL=1; AC_SUBST([HAVE_DECL_ATANL]) + HAVE_DECL_CBRTF=1; AC_SUBST([HAVE_DECL_CBRTF]) + HAVE_DECL_CBRTL=1; AC_SUBST([HAVE_DECL_CBRTL]) HAVE_DECL_CEILF=1; AC_SUBST([HAVE_DECL_CEILF]) HAVE_DECL_CEILL=1; AC_SUBST([HAVE_DECL_CEILL]) + HAVE_DECL_COPYSIGNF=1; AC_SUBST([HAVE_DECL_COPYSIGNF]) HAVE_DECL_COSL=1; AC_SUBST([HAVE_DECL_COSL]) HAVE_DECL_EXPL=1; AC_SUBST([HAVE_DECL_EXPL]) + HAVE_DECL_EXP2=1; AC_SUBST([HAVE_DECL_EXP2]) + HAVE_DECL_EXP2F=1; AC_SUBST([HAVE_DECL_EXP2F]) + HAVE_DECL_EXP2L=1; AC_SUBST([HAVE_DECL_EXP2L]) + HAVE_DECL_EXPM1L=1; AC_SUBST([HAVE_DECL_EXPM1L]) HAVE_DECL_FLOORF=1; AC_SUBST([HAVE_DECL_FLOORF]) HAVE_DECL_FLOORL=1; AC_SUBST([HAVE_DECL_FLOORL]) HAVE_DECL_FREXPL=1; AC_SUBST([HAVE_DECL_FREXPL]) HAVE_DECL_LDEXPL=1; AC_SUBST([HAVE_DECL_LDEXPL]) - HAVE_DECL_LOGB=1; AC_SUBST([HAVE_DECL_LOGB]) HAVE_DECL_LOGL=1; AC_SUBST([HAVE_DECL_LOGL]) + HAVE_DECL_LOG10L=1; AC_SUBST([HAVE_DECL_LOG10L]) + HAVE_DECL_LOG2=1; AC_SUBST([HAVE_DECL_LOG2]) + HAVE_DECL_LOG2F=1; AC_SUBST([HAVE_DECL_LOG2F]) + HAVE_DECL_LOG2L=1; AC_SUBST([HAVE_DECL_LOG2L]) + HAVE_DECL_LOGB=1; AC_SUBST([HAVE_DECL_LOGB]) + HAVE_DECL_REMAINDER=1; AC_SUBST([HAVE_DECL_REMAINDER]) + HAVE_DECL_REMAINDERL=1; AC_SUBST([HAVE_DECL_REMAINDERL]) + HAVE_DECL_RINTF=1; AC_SUBST([HAVE_DECL_RINTF]) HAVE_DECL_ROUND=1; AC_SUBST([HAVE_DECL_ROUND]) HAVE_DECL_ROUNDF=1; AC_SUBST([HAVE_DECL_ROUNDF]) HAVE_DECL_ROUNDL=1; AC_SUBST([HAVE_DECL_ROUNDL]) @@ -183,29 +257,66 @@ AC_DEFUN([gl_MATH_H_DEFAULTS], HAVE_DECL_TRUNC=1; AC_SUBST([HAVE_DECL_TRUNC]) HAVE_DECL_TRUNCF=1; AC_SUBST([HAVE_DECL_TRUNCF]) HAVE_DECL_TRUNCL=1; AC_SUBST([HAVE_DECL_TRUNCL]) + REPLACE_CBRTF=0; AC_SUBST([REPLACE_CBRTF]) + REPLACE_CBRTL=0; AC_SUBST([REPLACE_CBRTL]) REPLACE_CEIL=0; AC_SUBST([REPLACE_CEIL]) REPLACE_CEILF=0; AC_SUBST([REPLACE_CEILF]) REPLACE_CEILL=0; AC_SUBST([REPLACE_CEILL]) + REPLACE_EXPM1=0; AC_SUBST([REPLACE_EXPM1]) + REPLACE_EXPM1F=0; AC_SUBST([REPLACE_EXPM1F]) + REPLACE_EXP2=0; AC_SUBST([REPLACE_EXP2]) + REPLACE_EXP2L=0; AC_SUBST([REPLACE_EXP2L]) + REPLACE_FABSL=0; AC_SUBST([REPLACE_FABSL]) REPLACE_FLOOR=0; AC_SUBST([REPLACE_FLOOR]) REPLACE_FLOORF=0; AC_SUBST([REPLACE_FLOORF]) REPLACE_FLOORL=0; AC_SUBST([REPLACE_FLOORL]) REPLACE_FMA=0; AC_SUBST([REPLACE_FMA]) REPLACE_FMAF=0; AC_SUBST([REPLACE_FMAF]) REPLACE_FMAL=0; AC_SUBST([REPLACE_FMAL]) + REPLACE_FMOD=0; AC_SUBST([REPLACE_FMOD]) + REPLACE_FMODF=0; AC_SUBST([REPLACE_FMODF]) + REPLACE_FMODL=0; AC_SUBST([REPLACE_FMODL]) REPLACE_FREXPF=0; AC_SUBST([REPLACE_FREXPF]) REPLACE_FREXP=0; AC_SUBST([REPLACE_FREXP]) REPLACE_FREXPL=0; AC_SUBST([REPLACE_FREXPL]) REPLACE_HUGE_VAL=0; AC_SUBST([REPLACE_HUGE_VAL]) + REPLACE_HYPOT=0; AC_SUBST([REPLACE_HYPOT]) + REPLACE_HYPOTF=0; AC_SUBST([REPLACE_HYPOTF]) + REPLACE_HYPOTL=0; AC_SUBST([REPLACE_HYPOTL]) + REPLACE_ILOGB=0; AC_SUBST([REPLACE_ILOGB]) + REPLACE_ILOGBF=0; AC_SUBST([REPLACE_ILOGBF]) REPLACE_ISFINITE=0; AC_SUBST([REPLACE_ISFINITE]) REPLACE_ISINF=0; AC_SUBST([REPLACE_ISINF]) REPLACE_ISNAN=0; AC_SUBST([REPLACE_ISNAN]) REPLACE_LDEXPL=0; AC_SUBST([REPLACE_LDEXPL]) + REPLACE_LOG=0; AC_SUBST([REPLACE_LOG]) + REPLACE_LOGF=0; AC_SUBST([REPLACE_LOGF]) + REPLACE_LOGL=0; AC_SUBST([REPLACE_LOGL]) + REPLACE_LOG10=0; AC_SUBST([REPLACE_LOG10]) + REPLACE_LOG10F=0; AC_SUBST([REPLACE_LOG10F]) + REPLACE_LOG10L=0; AC_SUBST([REPLACE_LOG10L]) + REPLACE_LOG1P=0; AC_SUBST([REPLACE_LOG1P]) + REPLACE_LOG1PF=0; AC_SUBST([REPLACE_LOG1PF]) + REPLACE_LOG1PL=0; AC_SUBST([REPLACE_LOG1PL]) + REPLACE_LOG2=0; AC_SUBST([REPLACE_LOG2]) + REPLACE_LOG2F=0; AC_SUBST([REPLACE_LOG2F]) + REPLACE_LOG2L=0; AC_SUBST([REPLACE_LOG2L]) + REPLACE_LOGB=0; AC_SUBST([REPLACE_LOGB]) + REPLACE_LOGBF=0; AC_SUBST([REPLACE_LOGBF]) + REPLACE_LOGBL=0; AC_SUBST([REPLACE_LOGBL]) + REPLACE_MODF=0; AC_SUBST([REPLACE_MODF]) + REPLACE_MODFF=0; AC_SUBST([REPLACE_MODFF]) + REPLACE_MODFL=0; AC_SUBST([REPLACE_MODFL]) REPLACE_NAN=0; AC_SUBST([REPLACE_NAN]) + REPLACE_REMAINDER=0; AC_SUBST([REPLACE_REMAINDER]) + REPLACE_REMAINDERF=0; AC_SUBST([REPLACE_REMAINDERF]) + REPLACE_REMAINDERL=0; AC_SUBST([REPLACE_REMAINDERL]) REPLACE_ROUND=0; AC_SUBST([REPLACE_ROUND]) REPLACE_ROUNDF=0; AC_SUBST([REPLACE_ROUNDF]) REPLACE_ROUNDL=0; AC_SUBST([REPLACE_ROUNDL]) REPLACE_SIGNBIT=0; AC_SUBST([REPLACE_SIGNBIT]) REPLACE_SIGNBIT_USING_GCC=0; AC_SUBST([REPLACE_SIGNBIT_USING_GCC]) + REPLACE_SQRTL=0; AC_SUBST([REPLACE_SQRTL]) REPLACE_TRUNC=0; AC_SUBST([REPLACE_TRUNC]) REPLACE_TRUNCF=0; AC_SUBST([REPLACE_TRUNCF]) REPLACE_TRUNCL=0; AC_SUBST([REPLACE_TRUNCL]) diff --git a/m4/mathfunc.m4 b/m4/mathfunc.m4 index def871ab9..7147f7e71 100644 --- a/m4/mathfunc.m4 +++ b/m4/mathfunc.m4 @@ -1,4 +1,4 @@ -# mathfunc.m4 serial 10 +# mathfunc.m4 serial 11 dnl Copyright (C) 2010-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -113,7 +113,7 @@ AC_DEFUN([gl_MATHFUNC], # tests whether the function FUNC is available in libc or libm. # It sets FUNC_LIBM to empty or "-lm" accordingly. # FUNC must be one of the following functions, that are present on all systems -# and provided by libm on all systems except MacOS X, BeOS, Haiku: +# and provided by libm on all systems except Mac OS X, BeOS, Haiku: # acos asin atan atan2 cbrt cos cosh erf erfc exp fmod hypot j0 j1 jn lgamma # log log10 log1p pow remainder sin sinh sqrt tan tanh y0 y1 yn diff --git a/m4/mmap-anon.m4 b/m4/mmap-anon.m4 index 4613cbe5b..748b17d97 100644 --- a/m4/mmap-anon.m4 +++ b/m4/mmap-anon.m4 @@ -1,4 +1,4 @@ -# mmap-anon.m4 serial 9 +# mmap-anon.m4 serial 10 dnl Copyright (C) 2005, 2007, 2009-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -9,7 +9,7 @@ dnl with or without modifications, as long as this notice is preserved. # - On Linux, AIX, OSF/1, Solaris, Cygwin, Interix, Haiku, both MAP_ANONYMOUS # and MAP_ANON exist and have the same value. # - On HP-UX, only MAP_ANONYMOUS exists. -# - On MacOS X, FreeBSD, NetBSD, OpenBSD, only MAP_ANON exists. +# - On Mac OS X, FreeBSD, NetBSD, OpenBSD, only MAP_ANON exists. # - On IRIX, neither exists, and a file descriptor opened to /dev/zero must be # used. @@ -27,18 +27,18 @@ AC_DEFUN([gl_FUNC_MMAP_ANON], gl_have_mmap_anonymous=no if test $gl_have_mmap = yes; then AC_MSG_CHECKING([for MAP_ANONYMOUS]) - AC_EGREP_CPP([I cant identify this map], [ + AC_EGREP_CPP([I cannot identify this map], [ #include <sys/mman.h> #ifdef MAP_ANONYMOUS - I cant identify this map + I cannot identify this map #endif ], [gl_have_mmap_anonymous=yes]) if test $gl_have_mmap_anonymous != yes; then - AC_EGREP_CPP([I cant identify this map], [ + AC_EGREP_CPP([I cannot identify this map], [ #include <sys/mman.h> #ifdef MAP_ANON - I cant identify this map + I cannot identify this map #endif ], [AC_DEFINE([MAP_ANONYMOUS], [MAP_ANON], diff --git a/m4/multiarch.m4 b/m4/multiarch.m4 index b424dce65..0c288b8d2 100644 --- a/m4/multiarch.m4 +++ b/m4/multiarch.m4 @@ -1,4 +1,4 @@ -# multiarch.m4 serial 6 +# multiarch.m4 serial 7 dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -6,7 +6,7 @@ dnl with or without modifications, as long as this notice is preserved. # Determine whether the compiler is or may be producing universal binaries. # -# On MacOS X 10.5 and later systems, the user can create libraries and +# On Mac OS X 10.5 and later systems, the user can create libraries and # executables that work on multiple system types--known as "fat" or # "universal" binaries--by specifying multiple '-arch' options to the # compiler but only a single '-arch' option to the preprocessor. Like diff --git a/m4/nocrash.m4 b/m4/nocrash.m4 index 08ef82549..c2638df62 100644 --- a/m4/nocrash.m4 +++ b/m4/nocrash.m4 @@ -1,4 +1,4 @@ -# nocrash.m4 serial 3 +# nocrash.m4 serial 4 dnl Copyright (C) 2005, 2009-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -18,7 +18,7 @@ dnl int main() { nocrash_init(); ... } AC_DEFUN([GL_NOCRASH],[[ #include <stdlib.h> #if defined __MACH__ && defined __APPLE__ -/* Avoid a crash on MacOS X. */ +/* Avoid a crash on Mac OS X. */ #include <mach/mach.h> #include <mach/mach_error.h> #include <mach/thread_status.h> diff --git a/m4/off_t.m4 b/m4/off_t.m4 new file mode 100644 index 000000000..dfca2dfd2 --- /dev/null +++ b/m4/off_t.m4 @@ -0,0 +1,18 @@ +# off_t.m4 serial 1 +dnl Copyright (C) 2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Check whether to override the 'off_t' type. +dnl Set WINDOWS_64_BIT_OFF_T. + +AC_DEFUN([gl_TYPE_OFF_T], +[ + m4_ifdef([gl_LARGEFILE], [ + AC_REQUIRE([gl_LARGEFILE]) + ], [ + WINDOWS_64_BIT_OFF_T=0 + ]) + AC_SUBST([WINDOWS_64_BIT_OFF_T]) +]) diff --git a/m4/printf.m4 b/m4/printf.m4 index d75aca074..751e8966f 100644 --- a/m4/printf.m4 +++ b/m4/printf.m4 @@ -1,4 +1,4 @@ -# printf.m4 serial 48 +# printf.m4 serial 50 dnl Copyright (C) 2003, 2007-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -63,7 +63,7 @@ changequote(,)dnl # Guess yes on FreeBSD >= 5. freebsd[1-4]*) gl_cv_func_printf_sizes_c99="guessing no";; freebsd* | kfreebsd*) gl_cv_func_printf_sizes_c99="guessing yes";; - # Guess yes on MacOS X >= 10.3. + # Guess yes on Mac OS X >= 10.3. darwin[1-6].*) gl_cv_func_printf_sizes_c99="guessing no";; darwin*) gl_cv_func_printf_sizes_c99="guessing yes";; # Guess yes on OpenBSD >= 3.9. @@ -222,7 +222,7 @@ changequote(,)dnl # Guess yes on FreeBSD >= 6. freebsd[1-5]*) gl_cv_func_printf_infinite="guessing no";; freebsd* | kfreebsd*) gl_cv_func_printf_infinite="guessing yes";; - # Guess yes on MacOS X >= 10.3. + # Guess yes on Mac OS X >= 10.3. darwin[1-6].*) gl_cv_func_printf_infinite="guessing no";; darwin*) gl_cv_func_printf_infinite="guessing yes";; # Guess yes on HP-UX >= 11. @@ -507,14 +507,14 @@ int main () if (sprintf (buf, "%010a %d", 1.0 / zero, 33, 44, 55) < 0 || buf[0] == '0') result |= 8; - /* This catches a MacOS X 10.3.9 (Darwin 7.9) bug. */ + /* This catches a Mac OS X 10.3.9 (Darwin 7.9) bug. */ if (sprintf (buf, "%.1a", 1.999) < 0 || (strcmp (buf, "0x1.0p+1") != 0 && strcmp (buf, "0x2.0p+0") != 0 && strcmp (buf, "0x4.0p-1") != 0 && strcmp (buf, "0x8.0p-2") != 0)) result |= 16; - /* This catches the same MacOS X 10.3.9 (Darwin 7.9) bug and also a + /* This catches the same Mac OS X 10.3.9 (Darwin 7.9) bug and also a glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */ if (sprintf (buf, "%.1La", 1.999L) < 0 || (strcmp (buf, "0x1.0p+1") != 0 @@ -590,7 +590,7 @@ changequote(,)dnl # Guess yes on FreeBSD >= 6. freebsd[1-5]*) gl_cv_func_printf_directive_f="guessing no";; freebsd* | kfreebsd*) gl_cv_func_printf_directive_f="guessing yes";; - # Guess yes on MacOS X >= 10.3. + # Guess yes on Mac OS X >= 10.3. darwin[1-6].*) gl_cv_func_printf_directive_f="guessing no";; darwin*) gl_cv_func_printf_directive_f="guessing yes";; # Guess yes on Solaris >= 2.10. @@ -1028,8 +1028,9 @@ int main() changequote([,])dnl ])]) if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then - (./conftest + (./conftest 2>&AS_MESSAGE_LOG_FD result=$? + _AS_ECHO_LOG([\$? = $result]) if test $result != 0 && test $result != 77; then result=1; fi exit $result ) >/dev/null 2>/dev/null @@ -1043,7 +1044,7 @@ changequote([,])dnl fi rm -fr conftest* else - dnl A universal build on Apple MacOS X platforms. + dnl A universal build on Apple Mac OS X platforms. dnl The result would be 'no' in 32-bit mode and 'yes' in 64-bit mode. dnl But we need a configuration result that is valid in both modes. gl_cv_func_printf_enomem="guessing no" @@ -1137,7 +1138,7 @@ changequote(,)dnl # Guess yes on FreeBSD >= 5. freebsd[1-4]*) gl_cv_func_snprintf_truncation_c99="guessing no";; freebsd* | kfreebsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";; - # Guess yes on MacOS X >= 10.3. + # Guess yes on Mac OS X >= 10.3. darwin[1-6].*) gl_cv_func_snprintf_truncation_c99="guessing no";; darwin*) gl_cv_func_snprintf_truncation_c99="guessing yes";; # Guess yes on OpenBSD >= 3.9. @@ -1236,7 +1237,7 @@ changequote(,)dnl # Guess yes on FreeBSD >= 5. freebsd[1-4]*) gl_cv_func_snprintf_retval_c99="guessing no";; freebsd* | kfreebsd*) gl_cv_func_snprintf_retval_c99="guessing yes";; - # Guess yes on MacOS X >= 10.3. + # Guess yes on Mac OS X >= 10.3. darwin[1-6].*) gl_cv_func_snprintf_retval_c99="guessing no";; darwin*) gl_cv_func_snprintf_retval_c99="guessing yes";; # Guess yes on OpenBSD >= 3.9. @@ -1317,7 +1318,7 @@ changequote(,)dnl # Guess yes on FreeBSD >= 5. freebsd[1-4]*) gl_cv_func_snprintf_directive_n="guessing no";; freebsd* | kfreebsd*) gl_cv_func_snprintf_directive_n="guessing yes";; - # Guess yes on MacOS X >= 10.3. + # Guess yes on Mac OS X >= 10.3. darwin[1-6].*) gl_cv_func_snprintf_directive_n="guessing no";; darwin*) gl_cv_func_snprintf_directive_n="guessing yes";; # Guess yes on Solaris >= 2.6. @@ -1459,7 +1460,7 @@ changequote(,)dnl # Guess yes on FreeBSD >= 5. freebsd[1-4]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; freebsd* | kfreebsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; - # Guess yes on MacOS X >= 10.3. + # Guess yes on Mac OS X >= 10.3. darwin[1-6].*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; darwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; # Guess yes on Cygwin. @@ -1539,8 +1540,8 @@ dnl 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 dnl glibc 2.5 . . . . . . . . . . . . . . . . . . . . dnl glibc 2.3.6 . . . . # . . . . . . . . . . . . . . . dnl FreeBSD 5.4, 6.1 . . . . # . . . . . . # . # . . . . . . -dnl MacOS X 10.5.8 . . . # # . . . . . . # . . . . . . . . -dnl MacOS X 10.3.9 . . . . # . . . . . . # . # . . . . . . +dnl Mac OS X 10.5.8 . . . # # . . . . . . # . . . . . . . . +dnl Mac OS X 10.3.9 . . . . # . . . . . . # . # . . . . . . dnl OpenBSD 3.9, 4.0 . . # # # # . # . # . # . # . . . . . . dnl Cygwin 1.7.0 (2009) . . . # . . . ? . . . . . ? . . . . . . dnl Cygwin 1.5.25 (2008) . . . # # . . # . . . . . # . . . . . . diff --git a/m4/putenv.m4 b/m4/putenv.m4 index 1cb23a594..b971b1204 100644 --- a/m4/putenv.m4 +++ b/m4/putenv.m4 @@ -1,4 +1,4 @@ -# putenv.m4 serial 18 +# putenv.m4 serial 19 dnl Copyright (C) 2002-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -12,6 +12,7 @@ dnl The putenv in libc on at least SunOS 4.1.4 does *not* do that. AC_DEFUN([gl_FUNC_PUTENV], [ AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles AC_CACHE_CHECK([for putenv compatible with GNU and SVID], [gl_cv_func_svid_putenv], [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],[[ @@ -32,9 +33,18 @@ AC_DEFUN([gl_FUNC_PUTENV], gl_cv_func_svid_putenv=yes, gl_cv_func_svid_putenv=no, dnl When crosscompiling, assume putenv is broken. - gl_cv_func_svid_putenv=no) + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_svid_putenv="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_svid_putenv="guessing no" ;; + esac + ]) ]) - if test $gl_cv_func_svid_putenv = no; then - REPLACE_PUTENV=1 - fi + case "$gl_cv_func_svid_putenv" in + *yes) ;; + *) + REPLACE_PUTENV=1 + ;; + esac ]) diff --git a/m4/readlink.m4 b/m4/readlink.m4 index 107083f7c..ccf5141d4 100644 --- a/m4/readlink.m4 +++ b/m4/readlink.m4 @@ -1,4 +1,4 @@ -# readlink.m4 serial 11 +# readlink.m4 serial 12 dnl Copyright (C) 2003, 2007, 2009-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -7,6 +7,7 @@ dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_READLINK], [ AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles AC_CHECK_FUNCS_ONCE([readlink]) if test $ac_cv_func_readlink = no; then HAVE_READLINK=0 @@ -32,15 +33,26 @@ AC_DEFUN([gl_FUNC_READLINK], ]], [[char buf[20]; return readlink ("conftest.lnk2/", buf, sizeof buf) != -1;]])], [gl_cv_func_readlink_works=yes], [gl_cv_func_readlink_works=no], - [gl_cv_func_readlink_works="guessing no"]) + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_readlink_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_readlink_works="guessing no" ;; + esac + ]) rm -f conftest.link conftest.lnk2]) - if test "$gl_cv_func_readlink_works" != yes; then - AC_DEFINE([READLINK_TRAILING_SLASH_BUG], [1], [Define to 1 if readlink - fails to recognize a trailing slash.]) - REPLACE_READLINK=1 - elif test "$gl_cv_decl_readlink_works" != yes; then - REPLACE_READLINK=1 - fi + case "$gl_cv_func_readlink_works" in + *yes) + if test "$gl_cv_decl_readlink_works" != yes; then + REPLACE_READLINK=1 + fi + ;; + *) + AC_DEFINE([READLINK_TRAILING_SLASH_BUG], [1], [Define to 1 if readlink + fails to recognize a trailing slash.]) + REPLACE_READLINK=1 + ;; + esac fi ]) diff --git a/m4/regex.m4 b/m4/regex.m4 index 08f1352e2..41be5e8d3 100644 --- a/m4/regex.m4 +++ b/m4/regex.m4 @@ -1,4 +1,4 @@ -# serial 60 +# serial 61 # Copyright (C) 1996-2001, 2003-2012 Free Software Foundation, Inc. # @@ -175,6 +175,9 @@ AC_DEFUN([gl_REGEX], esac if test $ac_use_included_regex = yes; then + AC_DEFINE([_REGEX_INCLUDE_LIMITS_H], [1], + [Define if you want <regex.h> to include <limits.h>, so that it + consistently overrides <limits.h>'s RE_DUP_MAX.]) AC_DEFINE([_REGEX_LARGE_OFFSETS], [1], [Define if you want regoff_t to be at least as wide POSIX requires.]) AC_DEFINE([re_syntax_options], [rpl_re_syntax_options], diff --git a/m4/rename.m4 b/m4/rename.m4 index 59cc5c76f..378b5ecfc 100644 --- a/m4/rename.m4 +++ b/m4/rename.m4 @@ -1,4 +1,4 @@ -# serial 25 +# serial 26 # Copyright (C) 2001, 2003, 2005-2006, 2009-2012 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation @@ -54,15 +54,24 @@ AC_DEFUN([gl_FUNC_RENAME], [gl_cv_func_rename_slash_dst_works=yes], [gl_cv_func_rename_slash_dst_works=no], dnl When crosscompiling, assume rename is broken. - [gl_cv_func_rename_slash_dst_works="guessing no"]) + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_rename_slash_dst_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_rename_slash_dst_works="guessing no" ;; + esac + ]) rm -rf conftest.f conftest.f1 conftest.f2 conftest.d1 conftest.d2 conftest.lnk ]) - if test "x$gl_cv_func_rename_slash_dst_works" != xyes; then - REPLACE_RENAME=1 - AC_DEFINE([RENAME_TRAILING_SLASH_DEST_BUG], [1], - [Define if rename does not correctly handle slashes on the destination - argument, such as on Solaris 10 or NetBSD 1.6.]) - fi + case "$gl_cv_func_rename_slash_dst_works" in + *yes) ;; + *) + REPLACE_RENAME=1 + AC_DEFINE([RENAME_TRAILING_SLASH_DEST_BUG], [1], + [Define if rename does not correctly handle slashes on the destination + argument, such as on Solaris 10 or NetBSD 1.6.]) + ;; + esac dnl SunOS 4.1.1_U1 mistakenly forbids rename("dir/","name"). dnl Solaris 9 mistakenly allows rename("file/","name"). @@ -97,15 +106,24 @@ AC_DEFUN([gl_FUNC_RENAME], [gl_cv_func_rename_slash_src_works=yes], [gl_cv_func_rename_slash_src_works=no], dnl When crosscompiling, assume rename is broken. - [gl_cv_func_rename_slash_src_works="guessing no"]) + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_rename_slash_src_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_rename_slash_src_works="guessing no" ;; + esac + ]) rm -rf conftest.f conftest.f1 conftest.d1 conftest.d2 conftest.d3 conftest.lnk ]) - if test "x$gl_cv_func_rename_slash_src_works" != xyes; then - REPLACE_RENAME=1 - AC_DEFINE([RENAME_TRAILING_SLASH_SOURCE_BUG], [1], - [Define if rename does not correctly handle slashes on the source - argument, such as on Solaris 9 or cygwin 1.5.]) - fi + case "$gl_cv_func_rename_slash_src_works" in + *yes) ;; + *) + REPLACE_RENAME=1 + AC_DEFINE([RENAME_TRAILING_SLASH_SOURCE_BUG], [1], + [Define if rename does not correctly handle slashes on the source + argument, such as on Solaris 9 or cygwin 1.5.]) + ;; + esac dnl NetBSD 1.6 and cygwin 1.5.x mistakenly reduce hard link count dnl on rename("h1","h2"). @@ -137,7 +155,13 @@ AC_DEFUN([gl_FUNC_RENAME], [gl_cv_func_rename_link_works=yes], [gl_cv_func_rename_link_works=no], dnl When crosscompiling, assume rename is broken. - [gl_cv_func_rename_link_works="guessing no"]) + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_rename_link_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_rename_link_works="guessing no" ;; + esac + ]) else gl_cv_func_rename_link_works="guessing no" fi @@ -146,12 +170,15 @@ AC_DEFUN([gl_FUNC_RENAME], gl_cv_func_rename_link_works=yes fi ]) - if test "x$gl_cv_func_rename_link_works" != xyes; then - REPLACE_RENAME=1 - AC_DEFINE([RENAME_HARD_LINK_BUG], [1], - [Define if rename fails to leave hard links alone, as on NetBSD 1.6 - or Cygwin 1.5.]) - fi + case "$gl_cv_func_rename_link_works" in + *yes) ;; + *) + REPLACE_RENAME=1 + AC_DEFINE([RENAME_HARD_LINK_BUG], [1], + [Define if rename fails to leave hard links alone, as on NetBSD 1.6 + or Cygwin 1.5.]) + ;; + esac dnl Cygwin 1.5.x mistakenly allows rename("dir","file"). dnl mingw mistakenly forbids rename("dir1","dir2"). @@ -177,13 +204,22 @@ AC_DEFUN([gl_FUNC_RENAME], [gl_cv_func_rename_dest_works=yes], [gl_cv_func_rename_dest_works=no], dnl When crosscompiling, assume rename is broken. - [gl_cv_func_rename_dest_works="guessing no"]) + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_rename_dest_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_rename_dest_works="guessing no" ;; + esac + ]) rm -rf conftest.f conftest.d1 conftest.d2 ]) - if test "x$gl_cv_func_rename_dest_works" != xyes; then - REPLACE_RENAME=1 - AC_DEFINE([RENAME_DEST_EXISTS_BUG], [1], - [Define if rename does not work when the destination file exists, - as on Cygwin 1.5 or Windows.]) - fi + case "$gl_cv_func_rename_dest_works" in + *yes) ;; + *) + REPLACE_RENAME=1 + AC_DEFINE([RENAME_DEST_EXISTS_BUG], [1], + [Define if rename does not work when the destination file exists, + as on Cygwin 1.5 or Windows.]) + ;; + esac ]) diff --git a/m4/rmdir.m4 b/m4/rmdir.m4 index c5f24cda5..34ca87639 100644 --- a/m4/rmdir.m4 +++ b/m4/rmdir.m4 @@ -1,4 +1,4 @@ -# rmdir.m4 serial 12 +# rmdir.m4 serial 13 dnl Copyright (C) 2002, 2005, 2009-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -7,6 +7,7 @@ dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_RMDIR], [ AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles dnl Detect cygwin 1.5.x bug. AC_CHECK_HEADERS_ONCE([unistd.h]) AC_CACHE_CHECK([whether rmdir works], [gl_cv_func_rmdir_works], @@ -31,9 +32,18 @@ AC_DEFUN([gl_FUNC_RMDIR], return result; ]])], [gl_cv_func_rmdir_works=yes], [gl_cv_func_rmdir_works=no], - [gl_cv_func_rmdir_works="guessing no"]) + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_rmdir_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_rmdir_works="guessing no" ;; + esac + ]) rm -rf conftest.dir conftest.file]) - if test x"$gl_cv_func_rmdir_works" != xyes; then - REPLACE_RMDIR=1 - fi + case "$gl_cv_func_rmdir_works" in + *yes) ;; + *) + REPLACE_RMDIR=1 + ;; + esac ]) diff --git a/m4/round.m4 b/m4/round.m4 new file mode 100644 index 000000000..514c4f73e --- /dev/null +++ b/m4/round.m4 @@ -0,0 +1,142 @@ +# round.m4 serial 16 +dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_ROUND], +[ + m4_divert_text([DEFAULTS], [gl_round_required=plain]) + AC_REQUIRE([gl_MATH_H_DEFAULTS]) + + dnl Persuade glibc <math.h> to declare round(). + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + gl_CHECK_MATH_LIB([ROUND_LIBM], [x = round (x);], + [extern + #ifdef __cplusplus + "C" + #endif + double round (double); + ]) + if test "$ROUND_LIBM" != missing; then + HAVE_ROUND=1 + dnl Also check whether it's declared. + dnl IRIX 6.5 has round() in libm but doesn't declare it in <math.h>. + AC_CHECK_DECLS([round], , [HAVE_DECL_ROUND=0], [[#include <math.h>]]) + + dnl Test whether round() produces correct results. On NetBSD 3.0, for + dnl x = 1/2 - 2^-54, the system's round() returns a wrong result. + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether round works], [gl_cv_func_round_works], + [ + save_LIBS="$LIBS" + LIBS="$LIBS $ROUND_LIBM" + AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <float.h> +#include <math.h> +extern +#ifdef __cplusplus +"C" +#endif +double round (double); +#ifdef _MSC_VER +# pragma fenv_access (off) +#endif +int main() +{ + /* 2^DBL_MANT_DIG. */ + static const double TWO_MANT_DIG = + /* Assume DBL_MANT_DIG <= 5 * 31. + Use the identity + n = floor(n/5) + floor((n+1)/5) + ... + floor((n+4)/5). */ + (double) (1U << (DBL_MANT_DIG / 5)) + * (double) (1U << ((DBL_MANT_DIG + 1) / 5)) + * (double) (1U << ((DBL_MANT_DIG + 2) / 5)) + * (double) (1U << ((DBL_MANT_DIG + 3) / 5)) + * (double) (1U << ((DBL_MANT_DIG + 4) / 5)); + volatile double x = 0.5 - 0.5 / TWO_MANT_DIG; + exit (x < 0.5 && round (x) != 0.0); +}]])], [gl_cv_func_round_works=yes], [gl_cv_func_round_works=no], + [case "$host_os" in + netbsd* | aix*) gl_cv_func_round_works="guessing no";; + *) gl_cv_func_round_works="guessing yes";; + esac + ]) + LIBS="$save_LIBS" + ]) + case "$gl_cv_func_round_works" in + *no) REPLACE_ROUND=1 ;; + esac + + m4_ifdef([gl_FUNC_ROUND_IEEE], [ + if test $gl_round_required = ieee && test $REPLACE_ROUND = 0; then + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether round works according to ISO C 99 with IEC 60559], + [gl_cv_func_round_ieee], + [ + save_LIBS="$LIBS" + LIBS="$LIBS $ROUND_LIBM" + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#ifndef __NO_MATH_INLINES +# define __NO_MATH_INLINES 1 /* for glibc */ +#endif +#include <math.h> +extern +#ifdef __cplusplus +"C" +#endif +double round (double); +]gl_DOUBLE_MINUS_ZERO_CODE[ +]gl_DOUBLE_SIGNBIT_CODE[ +static double dummy (double f) { return 0; } +int main (int argc, char *argv[]) +{ + double (*my_round) (double) = argc ? round : dummy; + /* Test whether round (-0.0) is -0.0. */ + if (signbitd (minus_zerod) && !signbitd (my_round (minus_zerod))) + return 1; + return 0; +} + ]])], + [gl_cv_func_round_ieee=yes], + [gl_cv_func_round_ieee=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_round_ieee="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_round_ieee="guessing no" ;; + esac + ]) + LIBS="$save_LIBS" + ]) + case "$gl_cv_func_round_ieee" in + *yes) ;; + *) REPLACE_ROUND=1 ;; + esac + fi + ]) + else + HAVE_ROUND=0 + HAVE_DECL_ROUND=0 + fi + if test $HAVE_ROUND = 0 || test $REPLACE_ROUND = 1; then + dnl Find libraries needed to link lib/round.c. + gl_FUNC_FLOOR_LIBS + gl_FUNC_CEIL_LIBS + ROUND_LIBM= + dnl Append $FLOOR_LIBM to ROUND_LIBM, avoiding gratuitous duplicates. + case " $ROUND_LIBM " in + *" $FLOOR_LIBM "*) ;; + *) ROUND_LIBM="$ROUND_LIBM $FLOOR_LIBM" ;; + esac + dnl Append $CEIL_LIBM to ROUND_LIBM, avoiding gratuitous duplicates. + case " $ROUND_LIBM " in + *" $CEIL_LIBM "*) ;; + *) ROUND_LIBM="$ROUND_LIBM $CEIL_LIBM" ;; + esac + fi + AC_SUBST([ROUND_LIBM]) +]) diff --git a/m4/setenv.m4 b/m4/setenv.m4 index a1f30bc47..e1931e7eb 100644 --- a/m4/setenv.m4 +++ b/m4/setenv.m4 @@ -1,4 +1,4 @@ -# setenv.m4 serial 25 +# setenv.m4 serial 26 dnl Copyright (C) 2001-2004, 2006-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -7,6 +7,7 @@ dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_SETENV], [ AC_REQUIRE([gl_FUNC_SETENV_SEPARATE]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles if test $ac_cv_func_setenv = no; then HAVE_SETENV=0 else @@ -33,10 +34,19 @@ AC_DEFUN([gl_FUNC_SETENV], return result; ]])], [gl_cv_func_setenv_works=yes], [gl_cv_func_setenv_works=no], - [gl_cv_func_setenv_works="guessing no"])]) - if test "$gl_cv_func_setenv_works" != yes; then - REPLACE_SETENV=1 - fi + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_setenv_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_setenv_works="guessing no" ;; + esac + ])]) + case "$gl_cv_func_setenv_works" in + *yes) ;; + *) + REPLACE_SETENV=1 + ;; + esac fi ]) @@ -56,6 +66,7 @@ AC_DEFUN([gl_FUNC_SETENV_SEPARATE], AC_DEFUN([gl_FUNC_UNSETENV], [ AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles AC_CHECK_DECLS_ONCE([unsetenv]) if test $ac_cv_have_decl_unsetenv = no; then HAVE_DECL_UNSETENV=0 @@ -115,10 +126,19 @@ int unsetenv (const char *name); if (getenv ("a")) return 6; ]])], [gl_cv_func_unsetenv_works=yes], [gl_cv_func_unsetenv_works=no], - [gl_cv_func_unsetenv_works="guessing no"])]) - if test "$gl_cv_func_unsetenv_works" != yes; then - REPLACE_UNSETENV=1 - fi + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_unsetenv_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_unsetenv_works="guessing no" ;; + esac + ])]) + case "$gl_cv_func_unsetenv_works" in + *yes) ;; + *) + REPLACE_UNSETENV=1 + ;; + esac fi ]) diff --git a/m4/stat.m4 b/m4/stat.m4 index d67dbcdec..a8b79f5bc 100644 --- a/m4/stat.m4 +++ b/m4/stat.m4 @@ -1,4 +1,4 @@ -# serial 8 +# serial 10 # Copyright (C) 2009-2012 Free Software Foundation, Inc. # @@ -23,8 +23,9 @@ AC_DEFUN([gl_FUNC_STAT], mingw*) gl_cv_func_stat_dir_slash="guessing no";; *) gl_cv_func_stat_dir_slash="guessing yes";; esac])]) - dnl AIX 7.1, Solaris 9 mistakenly succeed on stat("file/") - dnl FreeBSD 7.2 mistakenly succeeds on stat("link-to-file/") + dnl AIX 7.1, Solaris 9, mingw64 mistakenly succeed on stat("file/"). + dnl (For mingw, this is due to a broken stat() override in libmingwex.a.) + dnl FreeBSD 7.2 mistakenly succeeds on stat("link-to-file/"). AC_CACHE_CHECK([whether stat handles trailing slashes on files], [gl_cv_func_stat_file_slash], [touch conftest.tmp @@ -46,7 +47,13 @@ AC_DEFUN([gl_FUNC_STAT], return result; ]])], [gl_cv_func_stat_file_slash=yes], [gl_cv_func_stat_file_slash=no], - [gl_cv_func_stat_file_slash="guessing no"]) + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_stat_file_slash="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_stat_file_slash="guessing no" ;; + esac + ]) rm -f conftest.tmp conftest.lnk]) case $gl_cv_func_stat_dir_slash in *no) REPLACE_STAT=1 diff --git a/m4/stdalign.m4 b/m4/stdalign.m4 index 9752ba568..6659c9c3e 100644 --- a/m4/stdalign.m4 +++ b/m4/stdalign.m4 @@ -14,13 +14,27 @@ AC_DEFUN([gl_STDALIGN_H], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[#include <stdalign.h> - int align_int = alignof (int) + _Alignof (double); + #include <stddef.h> + + /* Test that alignof yields a result consistent with offsetof. + This catches GCC bug 52023 + <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023>. */ + #ifdef __cplusplus + template <class t> struct alignof_helper { char a; t b; }; + # define ao(type) offsetof (alignof_helper<type>, b) + #else + # define ao(type) offsetof (struct { char a; type b; }, b) + #endif + char test_double[ao (double) % _Alignof (double) == 0 ? 1 : -1]; + char test_long[ao (long int) % _Alignof (long int) == 0 ? 1 : -1]; + char test_alignof[alignof (double) == _Alignof (double) ? 1 : -1]; /* Test _Alignas only on platforms where gnulib can help. */ #if \ (__GNUC__ || __IBMC__ || __IBMCPP__ \ || 0x5110 <= __SUNPRO_C || 1300 <= _MSC_VER) int alignas (8) alignas_int = 1; + char test_alignas[_Alignof (alignas_int) == 8 ? 1 : -1]; #endif ]])], [gl_cv_header_working_stdalign_h=yes], diff --git a/m4/stdio_h.m4 b/m4/stdio_h.m4 index 1973e8db1..5298dd6d9 100644 --- a/m4/stdio_h.m4 +++ b/m4/stdio_h.m4 @@ -1,4 +1,4 @@ -# stdio_h.m4 serial 40 +# stdio_h.m4 serial 42 dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -13,12 +13,13 @@ AC_DEFUN([gl_STDIO_H], dnl No need to create extra modules for these functions. Everyone who uses dnl <stdio.h> likely needs them. GNULIB_FSCANF=1 + gl_MODULE_INDICATOR([fscanf]) GNULIB_SCANF=1 + gl_MODULE_INDICATOR([scanf]) GNULIB_FGETC=1 GNULIB_GETC=1 GNULIB_GETCHAR=1 GNULIB_FGETS=1 - GNULIB_GETS=1 GNULIB_FREAD=1 dnl This ifdef is necessary to avoid an error "missing file lib/stdio-read.c" dnl "expected source file, required through AC_LIBSOURCES, not found". It is @@ -72,10 +73,10 @@ AC_DEFUN([gl_STDIO_H], dnl Check for declarations of anything we want to poison if the dnl corresponding gnulib module is not in use, and which is not - dnl guaranteed by C89. + dnl guaranteed by both C89 and C11. gl_WARN_ON_USE_PREPARE([[#include <stdio.h> - ]], [dprintf fpurge fseeko ftello getdelim getline pclose popen renameat - snprintf tmpfile vdprintf vsnprintf]) + ]], [dprintf fpurge fseeko ftello getdelim getline gets pclose popen + renameat snprintf tmpfile vdprintf vsnprintf]) ]) AC_DEFUN([gl_STDIO_MODULE_INDICATOR], @@ -113,7 +114,6 @@ AC_DEFUN([gl_STDIO_H_DEFAULTS], GNULIB_GETCHAR=0; AC_SUBST([GNULIB_GETCHAR]) GNULIB_GETDELIM=0; AC_SUBST([GNULIB_GETDELIM]) GNULIB_GETLINE=0; AC_SUBST([GNULIB_GETLINE]) - GNULIB_GETS=0; AC_SUBST([GNULIB_GETS]) GNULIB_OBSTACK_PRINTF=0; AC_SUBST([GNULIB_OBSTACK_PRINTF]) GNULIB_OBSTACK_PRINTF_POSIX=0; AC_SUBST([GNULIB_OBSTACK_PRINTF_POSIX]) GNULIB_PCLOSE=0; AC_SUBST([GNULIB_PCLOSE]) diff --git a/m4/strcase.m4 b/m4/strcase.m4 deleted file mode 100644 index 717fa9c32..000000000 --- a/m4/strcase.m4 +++ /dev/null @@ -1,45 +0,0 @@ -# strcase.m4 serial 11 -dnl Copyright (C) 2002, 2005-2012 Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -AC_DEFUN([gl_STRCASE], -[ - gl_FUNC_STRCASECMP - gl_FUNC_STRNCASECMP -]) - -AC_DEFUN([gl_FUNC_STRCASECMP], -[ - AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS]) - AC_CHECK_FUNCS([strcasecmp]) - if test $ac_cv_func_strcasecmp = no; then - HAVE_STRCASECMP=0 - fi -]) - -AC_DEFUN([gl_FUNC_STRNCASECMP], -[ - AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS]) - AC_CHECK_FUNCS([strncasecmp]) - if test $ac_cv_func_strncasecmp = yes; then - HAVE_STRNCASECMP=1 - else - HAVE_STRNCASECMP=0 - fi - AC_CHECK_DECLS([strncasecmp]) - if test $ac_cv_have_decl_strncasecmp = no; then - HAVE_DECL_STRNCASECMP=0 - fi -]) - -# Prerequisites of lib/strcasecmp.c. -AC_DEFUN([gl_PREREQ_STRCASECMP], [ - : -]) - -# Prerequisites of lib/strncasecmp.c. -AC_DEFUN([gl_PREREQ_STRNCASECMP], [ - : -]) diff --git a/m4/strings_h.m4 b/m4/strings_h.m4 deleted file mode 100644 index a057e1c8b..000000000 --- a/m4/strings_h.m4 +++ /dev/null @@ -1,52 +0,0 @@ -# Configure a replacement for <strings.h>. -# serial 6 - -# Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -AC_DEFUN([gl_HEADER_STRINGS_H], -[ - dnl Use AC_REQUIRE here, so that the default behavior below is expanded - dnl once only, before all statements that occur in other macros. - AC_REQUIRE([gl_HEADER_STRINGS_H_BODY]) -]) - -AC_DEFUN([gl_HEADER_STRINGS_H_BODY], -[ - AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS]) - - gl_CHECK_NEXT_HEADERS([strings.h]) - if test $ac_cv_header_strings_h = yes; then - HAVE_STRINGS_H=1 - else - HAVE_STRINGS_H=0 - fi - AC_SUBST([HAVE_STRINGS_H]) - - dnl Check for declarations of anything we want to poison if the - dnl corresponding gnulib module is not in use. - gl_WARN_ON_USE_PREPARE([[ - /* Minix 3.1.8 has a bug: <sys/types.h> must be included before - <strings.h>. */ - #include <sys/types.h> - #include <strings.h> - ]], [ffs strcasecmp strncasecmp]) -]) - -AC_DEFUN([gl_STRINGS_MODULE_INDICATOR], -[ - dnl Use AC_REQUIRE here, so that the default settings are expanded once only. - AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS]) - gl_MODULE_INDICATOR_SET_VARIABLE([$1]) -]) - -AC_DEFUN([gl_HEADER_STRINGS_H_DEFAULTS], -[ - GNULIB_FFS=0; AC_SUBST([GNULIB_FFS]) - dnl Assume proper GNU behavior unless another module says otherwise. - HAVE_FFS=1; AC_SUBST([HAVE_FFS]) - HAVE_STRCASECMP=1; AC_SUBST([HAVE_STRCASECMP]) - HAVE_DECL_STRNCASECMP=1; AC_SUBST([HAVE_DECL_STRNCASECMP]) -]) diff --git a/m4/sys_stat_h.m4 b/m4/sys_stat_h.m4 index a0b96bc37..f45dee1dc 100644 --- a/m4/sys_stat_h.m4 +++ b/m4/sys_stat_h.m4 @@ -1,4 +1,4 @@ -# sys_stat_h.m4 serial 26 -*- Autoconf -*- +# sys_stat_h.m4 serial 27 -*- Autoconf -*- dnl Copyright (C) 2006-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -22,6 +22,19 @@ AC_DEFUN([gl_HEADER_SYS_STAT_H], dnl Ensure the type mode_t gets defined. AC_REQUIRE([AC_TYPE_MODE_T]) + dnl Whether to override 'struct stat'. + m4_ifdef([gl_LARGEFILE], [ + AC_REQUIRE([gl_LARGEFILE]) + ], [ + WINDOWS_64_BIT_ST_SIZE=0 + ]) + AC_SUBST([WINDOWS_64_BIT_ST_SIZE]) + if test $WINDOWS_64_BIT_ST_SIZE = 1; then + AC_DEFINE([_GL_WINDOWS_64_BIT_ST_SIZE], [1], + [Define to 1 if Gnulib overrides 'struct stat' on Windows so that + struct stat.st_size becomes 64-bit.]) + fi + dnl Define types that are supposed to be defined in <sys/types.h> or dnl <sys/stat.h>. AC_CHECK_TYPE([nlink_t], [], diff --git a/m4/sys_time_h.m4 b/m4/sys_time_h.m4 index bed379785..c4a30cda7 100644 --- a/m4/sys_time_h.m4 +++ b/m4/sys_time_h.m4 @@ -1,5 +1,5 @@ # Configure a replacement for <sys/time.h>. -# serial 7 +# serial 8 # Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation @@ -43,9 +43,40 @@ AC_DEFUN([gl_HEADER_SYS_TIME_H_BODY], ]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])], [gl_cv_sys_struct_timeval=yes], - [gl_cv_sys_struct_timeval=no])]) + [gl_cv_sys_struct_timeval=no]) + ]) if test $gl_cv_sys_struct_timeval != yes; then HAVE_STRUCT_TIMEVAL=0 + else + dnl On native Windows with a 64-bit 'time_t', 'struct timeval' is defined + dnl (in <sys/time.h> and <winsock2.h> for mingw64, in <winsock2.h> only + dnl for MSVC) with a tv_sec field of type 'long' (32-bit!), which is + dnl smaller than the 'time_t' type mandated by POSIX. + dnl On OpenBSD 5.1 amd64, tv_sec is 64 bits and time_t 32 bits, but + dnl that is good enough. + AC_CACHE_CHECK([for wide-enough struct timeval.tv_sec member], + [gl_cv_sys_struct_timeval_tv_sec], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#if HAVE_SYS_TIME_H + #include <sys/time.h> + #endif + #include <time.h> + #if HAVE_WINSOCK2_H + # include <winsock2.h> + #endif + ]], + [[static struct timeval x; + typedef int verify_tv_sec_type[ + sizeof (time_t) <= sizeof x.tv_sec ? 1 : -1 + ]; + ]])], + [gl_cv_sys_struct_timeval_tv_sec=yes], + [gl_cv_sys_struct_timeval_tv_sec=no]) + ]) + if test $gl_cv_sys_struct_timeval_tv_sec != yes; then + REPLACE_STRUCT_TIMEVAL=1 + fi fi dnl Check for declarations of anything we want to poison if the @@ -75,4 +106,5 @@ AC_DEFUN([gl_HEADER_SYS_TIME_H_DEFAULTS], HAVE_STRUCT_TIMEVAL=1; AC_SUBST([HAVE_STRUCT_TIMEVAL]) HAVE_SYS_TIME_H=1; AC_SUBST([HAVE_SYS_TIME_H]) REPLACE_GETTIMEOFDAY=0; AC_SUBST([REPLACE_GETTIMEOFDAY]) + REPLACE_STRUCT_TIMEVAL=0; AC_SUBST([REPLACE_STRUCT_TIMEVAL]) ]) diff --git a/m4/sys_types_h.m4 b/m4/sys_types_h.m4 index 8d18ddb4d..f11eef2fe 100644 --- a/m4/sys_types_h.m4 +++ b/m4/sys_types_h.m4 @@ -1,4 +1,4 @@ -# sys_types_h.m4 serial 2 +# sys_types_h.m4 serial 4 dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -14,6 +14,9 @@ AC_DEFUN([gl_SYS_TYPES_H], dnl Ensure the type mode_t gets defined. AC_REQUIRE([AC_TYPE_MODE_T]) + + dnl Whether to override the 'off_t' type. + AC_REQUIRE([gl_TYPE_OFF_T]) ]) AC_DEFUN([gl_SYS_TYPES_H_DEFAULTS], diff --git a/m4/time_h.m4 b/m4/time_h.m4 index b88da7646..6415bfbcb 100644 --- a/m4/time_h.m4 +++ b/m4/time_h.m4 @@ -2,7 +2,7 @@ # Copyright (C) 2000-2001, 2003-2007, 2009-2012 Free Software Foundation, Inc. -# serial 6 +# serial 7 # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, @@ -25,7 +25,7 @@ AC_DEFUN([gl_HEADER_TIME_H_BODY], AC_REQUIRE([gl_CHECK_TYPE_STRUCT_TIMESPEC]) ]) -dnl Define HAVE_STRUCT_TIMESPEC if 'struct timespec' is declared +dnl Check whether 'struct timespec' is declared dnl in time.h, sys/time.h, or pthread.h. AC_DEFUN([gl_CHECK_TYPE_STRUCT_TIMESPEC], diff --git a/m4/time_r.m4 b/m4/time_r.m4 index c3579fb3b..9ddbd0199 100644 --- a/m4/time_r.m4 +++ b/m4/time_r.m4 @@ -17,7 +17,7 @@ AC_DEFUN([gl_TIME_R], dnl Some systems don't declare localtime_r() and gmtime_r() if _REENTRANT is dnl not defined. - AC_CHECK_DECLS_ONCE([localtime_r]) + AC_CHECK_DECLS([localtime_r], [], [], [[#include <time.h>]]) if test $ac_cv_have_decl_localtime_r = no; then HAVE_DECL_LOCALTIME_R=0 fi diff --git a/m4/trunc.m4 b/m4/trunc.m4 index e9d52956d..278384d9b 100644 --- a/m4/trunc.m4 +++ b/m4/trunc.m4 @@ -1,4 +1,4 @@ -# trunc.m4 serial 8 +# trunc.m4 serial 9 dnl Copyright (C) 2007, 2010-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -43,6 +43,7 @@ AC_DEFUN([gl_FUNC_TRUNC], fi m4_ifdef([gl_FUNC_TRUNC_IEEE], [ if test $gl_trunc_required = ieee && test $REPLACE_TRUNC = 0; then + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles AC_CACHE_CHECK([whether trunc works according to ISO C 99 with IEC 60559], [gl_cv_func_trunc_ieee], [ @@ -68,7 +69,13 @@ int main (int argc, char *argv[]) ]])], [gl_cv_func_trunc_ieee=yes], [gl_cv_func_trunc_ieee=no], - [gl_cv_func_trunc_ieee="guessing no"]) + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_trunc_ieee="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_trunc_ieee="guessing no" ;; + esac + ]) LIBS="$save_LIBS" ]) case "$gl_cv_func_trunc_ieee" in diff --git a/m4/unistd_h.m4 b/m4/unistd_h.m4 index 7595534fd..7e7651b9d 100644 --- a/m4/unistd_h.m4 +++ b/m4/unistd_h.m4 @@ -1,4 +1,4 @@ -# unistd_h.m4 serial 63 +# unistd_h.m4 serial 65 dnl Copyright (C) 2006-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -24,6 +24,9 @@ AC_DEFUN([gl_UNISTD_H], dnl Ensure the type pid_t gets defined. AC_REQUIRE([AC_TYPE_PID_T]) + dnl Determine WINDOWS_64_BIT_OFF_T. + AC_REQUIRE([gl_TYPE_OFF_T]) + dnl Check for declarations of anything we want to poison if the dnl corresponding gnulib module is not in use. gl_WARN_ON_USE_PREPARE([[ @@ -155,6 +158,7 @@ AC_DEFUN([gl_UNISTD_H_DEFAULTS], REPLACE_DUP=0; AC_SUBST([REPLACE_DUP]) REPLACE_DUP2=0; AC_SUBST([REPLACE_DUP2]) REPLACE_FCHOWNAT=0; AC_SUBST([REPLACE_FCHOWNAT]) + REPLACE_FTRUNCATE=0; AC_SUBST([REPLACE_FTRUNCATE]) REPLACE_GETCWD=0; AC_SUBST([REPLACE_GETCWD]) REPLACE_GETDOMAINNAME=0; AC_SUBST([REPLACE_GETDOMAINNAME]) REPLACE_GETLOGIN_R=0; AC_SUBST([REPLACE_GETLOGIN_R]) diff --git a/m4/vasnprintf.m4 b/m4/vasnprintf.m4 index 61fe49928..0ce11da13 100644 --- a/m4/vasnprintf.m4 +++ b/m4/vasnprintf.m4 @@ -1,4 +1,4 @@ -# vasnprintf.m4 serial 34 +# vasnprintf.m4 serial 35 dnl Copyright (C) 2002-2004, 2006-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -29,7 +29,7 @@ AC_DEFUN([gl_REPLACE_VASNPRINTF], gl_PREREQ_ASNPRINTF ]) -# Prequisites of lib/printf-args.h, lib/printf-args.c. +# Prerequisites of lib/printf-args.h, lib/printf-args.c. AC_DEFUN([gl_PREREQ_PRINTF_ARGS], [ AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) @@ -37,7 +37,7 @@ AC_DEFUN([gl_PREREQ_PRINTF_ARGS], AC_REQUIRE([gt_TYPE_WINT_T]) ]) -# Prequisites of lib/printf-parse.h, lib/printf-parse.c. +# Prerequisites of lib/printf-parse.h, lib/printf-parse.c. AC_DEFUN([gl_PREREQ_PRINTF_PARSE], [ AC_REQUIRE([gl_FEATURES_H]) diff --git a/m4/visibility.m4 b/m4/visibility.m4 index 7b24d39e6..a7d4d8c1d 100644 --- a/m4/visibility.m4 +++ b/m4/visibility.m4 @@ -1,4 +1,4 @@ -# visibility.m4 serial 4 (gettext-0.18.2) +# visibility.m4 serial 5 (gettext-0.18.2) dnl Copyright (C) 2005, 2008, 2010-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -12,7 +12,7 @@ dnl __attribute__((__visibility__("hidden"))) and dnl __attribute__((__visibility__("default"))). dnl Does *not* test for __visibility__("protected") - which has tricky dnl semantics (see the 'vismain' test in glibc) and does not exist e.g. on -dnl MacOS X. +dnl Mac OS X. dnl Does *not* test for __visibility__("internal") - which has processor dnl dependent semantics. dnl Does *not* test for #pragma GCC visibility push(hidden) - which is diff --git a/m4/warn-on-use.m4 b/m4/warn-on-use.m4 index 03b113cf4..a77802eb9 100644 --- a/m4/warn-on-use.m4 +++ b/m4/warn-on-use.m4 @@ -1,4 +1,4 @@ -# warn-on-use.m4 serial 4 +# warn-on-use.m4 serial 5 dnl Copyright (C) 2010-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -18,8 +18,8 @@ dnl with or without modifications, as long as this notice is preserved. # some systems declare functions in the wrong header, then INCLUDES # should do likewise. # -# If you assume C89, then it is generally safe to assume declarations -# for functions declared in that standard (such as gets) without +# It is generally safe to assume declarations for functions declared +# in the intersection of C89 and C11 (such as printf) without # needing gl_WARN_ON_USE_PREPARE. AC_DEFUN([gl_WARN_ON_USE_PREPARE], [ diff --git a/m4/warnings.m4 b/m4/warnings.m4 index 69d05a670..28b8294ef 100644 --- a/m4/warnings.m4 +++ b/m4/warnings.m4 @@ -1,4 +1,4 @@ -# warnings.m4 serial 5 +# warnings.m4 serial 7 dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -14,24 +14,48 @@ m4_ifdef([AS_VAR_APPEND], [m4_define([gl_AS_VAR_APPEND], [AS_VAR_SET([$1], [AS_VAR_GET([$1])$2])])]) -# gl_WARN_ADD(PARAMETER, [VARIABLE = WARN_CFLAGS]) -# ------------------------------------------------ -# Adds parameter to WARN_CFLAGS if the compiler supports it. For example, -# gl_WARN_ADD([-Wparentheses]). -AC_DEFUN([gl_WARN_ADD], -dnl FIXME: gl_Warn must be used unquoted until we can assume -dnl autoconf 2.64 or newer. -[AS_VAR_PUSHDEF([gl_Warn], [gl_cv_warn_$1])dnl -AC_CACHE_CHECK([whether compiler handles $1], m4_defn([gl_Warn]), [ - gl_save_CPPFLAGS="$CPPFLAGS" - CPPFLAGS="${CPPFLAGS} $1" - AC_PREPROC_IFELSE([AC_LANG_PROGRAM([])], + +# gl_COMPILER_OPTION_IF(OPTION, [IF-SUPPORTED], [IF-NOT-SUPPORTED], +# [PROGRAM = AC_LANG_PROGRAM()]) +# ----------------------------------------------------------------- +# Check if the compiler supports OPTION when compiling PROGRAM. +# +# FIXME: gl_Warn must be used unquoted until we can assume Autoconf +# 2.64 or newer. +AC_DEFUN([gl_COMPILER_OPTION_IF], +[AS_VAR_PUSHDEF([gl_Warn], [gl_cv_warn_[]_AC_LANG_ABBREV[]_$1])dnl +AS_VAR_PUSHDEF([gl_Flags], [_AC_LANG_PREFIX[]FLAGS])dnl +AC_CACHE_CHECK([whether _AC_LANG compiler handles $1], m4_defn([gl_Warn]), [ + gl_save_compiler_FLAGS="$gl_Flags" + gl_AS_VAR_APPEND(m4_defn([gl_Flags]), [" $1"]) + AC_COMPILE_IFELSE([m4_default([$4], [AC_LANG_PROGRAM([])])], [AS_VAR_SET(gl_Warn, [yes])], [AS_VAR_SET(gl_Warn, [no])]) - CPPFLAGS="$gl_save_CPPFLAGS" + gl_Flags="$gl_save_compiler_FLAGS" ]) -AS_VAR_IF(gl_Warn, [yes], - [gl_AS_VAR_APPEND(m4_if([$2], [], [[WARN_CFLAGS]], [[$2]]), [" $1"])]) +AS_VAR_IF(gl_Warn, [yes], [$2], [$3]) +AS_VAR_POPDEF([gl_Flags])dnl AS_VAR_POPDEF([gl_Warn])dnl -m4_ifval([$2], [AS_LITERAL_IF([$2], [AC_SUBST([$2])], [])])dnl ]) + + +# gl_WARN_ADD(OPTION, [VARIABLE = WARN_CFLAGS], +# [PROGRAM = AC_LANG_PROGRAM()]) +# --------------------------------------------- +# Adds parameter to WARN_CFLAGS if the compiler supports it when +# compiling PROGRAM. For example, gl_WARN_ADD([-Wparentheses]). +# +# If VARIABLE is a variable name, AC_SUBST it. +AC_DEFUN([gl_WARN_ADD], +[gl_COMPILER_OPTION_IF([$1], + [gl_AS_VAR_APPEND(m4_if([$2], [], [[WARN_CFLAGS]], [[$2]]), [" $1"])], + [], + [$3]) +m4_ifval([$2], + [AS_LITERAL_IF([$2], [AC_SUBST([$2])])], + [AC_SUBST([WARN_CFLAGS])])dnl +]) + +# Local Variables: +# mode: autoconf +# End: diff --git a/m4/wctype_h.m4 b/m4/wctype_h.m4 index a10938307..4b19f643d 100644 --- a/m4/wctype_h.m4 +++ b/m4/wctype_h.m4 @@ -1,4 +1,4 @@ -# wctype_h.m4 serial 16 +# wctype_h.m4 serial 17 dnl A placeholder for ISO C99 <wctype.h>, for platforms that lack it. @@ -57,7 +57,8 @@ AC_DEFUN([gl_WCTYPE_H], #if __GNU_LIBRARY__ == 1 Linux libc5 i18n is broken. #endif]], [])], - [gl_cv_func_iswcntrl_works=yes], [gl_cv_func_iswcntrl_works=no]) + [gl_cv_func_iswcntrl_works="guessing yes"], + [gl_cv_func_iswcntrl_works="guessing no"]) ]) ]) fi @@ -67,11 +68,10 @@ AC_DEFUN([gl_WCTYPE_H], fi AC_SUBST([HAVE_WCTYPE_H]) - if test "$gl_cv_func_iswcntrl_works" = no; then - REPLACE_ISWCNTRL=1 - else - REPLACE_ISWCNTRL=0 - fi + case "$gl_cv_func_iswcntrl_works" in + *yes) REPLACE_ISWCNTRL=0 ;; + *) REPLACE_ISWCNTRL=1 ;; + esac AC_SUBST([REPLACE_ISWCNTRL]) if test $HAVE_ISWCNTRL = 0 || test $REPLACE_ISWCNTRL = 1; then |