dnl configuration script for Guile dnl Process this file with autoconf to produce configure. dnl dnl Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc. dnl dnl This file is part of GUILE dnl dnl GUILE is free software; you can redistribute it and/or modify it dnl under the terms of the GNU General Public License as published by dnl the Free Software Foundation; either version 2, or (at your dnl option) any later version. dnl dnl GUILE is distributed in the hope that it will be useful, but dnl WITHOUT ANY WARRANTY; without even the implied warranty of dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU dnl General Public License for more details. dnl dnl You should have received a copy of the GNU General Public License dnl along with GUILE; see the file COPYING. If not, write to the dnl Free Software Foundation, Inc., 59 Temple Place - Suite 330, dnl Boston, MA 02111-1307, USA. AC_INIT(Makefile.in) . $srcdir/GUILE-VERSION AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define) AM_MAINTAINER_MODE AM_CONFIG_HEADER(libguile/scmconfig.h) #-------------------------------------------------------------------- # # Independent Subdirectories # #-------------------------------------------------------------------- AC_CONFIG_SUBDIRS(guile-readline) #-------------------------------------------------------------------- # # User options # #-------------------------------------------------------------------- AC_ARG_ENABLE(debug-freelist, [ --enable-debug-freelist include garbage collector freelist debugging code], if test "$enable_debug_freelist" = y || test "$enable_debug_freelist" = yes; then AC_DEFINE(GUILE_DEBUG_FREELIST) fi) AC_ARG_ENABLE(debug-malloc, [ --enable-debug-malloc include malloc debugging code], if test "$enable_debug_malloc" = y || test "$enable_debug_malloc" = yes; then AC_DEFINE(GUILE_DEBUG_MALLOC) fi) AC_ARG_ENABLE(guile-debug, [ --enable-guile-debug include internal debugging functions], if test "$enable_guile_debug" = y || test "$enable_guile_debug" = yes; then AC_DEFINE(GUILE_DEBUG) fi) AC_ARG_ENABLE(arrays, [ --disable-arrays omit array and uniform array support],, enable_arrays=yes) AC_ARG_ENABLE(posix, [ --disable-posix omit posix interfaces],, enable_posix=yes) AC_ARG_ENABLE(networking, [ --disable-networking omit networking interfaces],, enable_networking=yes) AC_ARG_ENABLE(regex, [ --disable-regex omit regular expression interfaces],, enable_regex=yes) AC_ARG_ENABLE(htmldoc, [ --enable-htmldoc build HTML documentation as well as Info], [if test "$enable_htmldoc" = "" || test "$enable_htmldoc" = y || test "$enable_htmldoc" = yes; then htmldoc_enabled=yes AC_PATH_PROG(TEXI2HTML, texi2html, not found) if test "$TEXI2HTML" = "not found"; then echo echo Building HTML documentation requires the \`texi2html\' program, echo which appears not to be present on your machine. echo echo \`texi2html\' is available from echo 'http://www.mathematik.uni-kl.de/~obachman/Texi2html/.' echo echo In the meantime, to build the guile-doc distribution echo without HTML enabled, please rerun \`./configure\' without echo the \`--enable-htmldoc\' option. exit -1 fi fi]) AM_CONDITIONAL(HTMLDOC, test x$htmldoc_enabled = xyes) AC_ARG_ENABLE(deprecated, [ --disable-deprecated omit deprecated features [no]]) if test "$enable_deprecated" = no; then AC_DEFINE(SCM_DEBUG_DEPRECATED, 1) else if test "$enable_deprecated" = yes || test "$enable_deprecated" = ""; then warn_default=summary elif test "$enable_deprecated" = shutup; then warn_default=no else warn_default=$enable_deprecated fi AC_DEFINE(SCM_DEBUG_DEPRECATED, 0) AC_DEFINE_UNQUOTED(SCM_WARN_DEPRECATED_DEFAULT, "$warn_default") fi dnl The --disable-debug used to control these two. But now they are dnl a required part of the distribution. AC_DEFINE(DEBUG_EXTENSIONS) AC_DEFINE(READER_EXTENSIONS) dnl files which are destined for separate modules. if test "$enable_arrays" = yes; then LIBOBJS="$LIBOBJS ramap.o unif.o" AC_DEFINE(HAVE_ARRAYS) fi if test "$enable_posix" = yes; then LIBOBJS="$LIBOBJS filesys.o posix.o" AC_DEFINE(HAVE_POSIX) fi if test "$enable_networking" = yes; then LIBOBJS="$LIBOBJS net_db.o socket.o" AC_DEFINE(HAVE_NETWORKING) fi if test "$enable_debug_malloc" = yes; then LIBOBJS="$LIBOBJS debug-malloc.o" fi #-------------------------------------------------------------------- AC_LIBLTDL_CONVENIENCE AC_CONFIG_SUBDIRS(libltdl) AC_PROG_CC AC_PROG_CPP AC_LIBTOOL_DLOPEN AC_AIX AC_ISC_POSIX AC_MINIX AM_PROG_CC_STDC AM_PROG_LIBTOOL AC_C_CONST AC_C_INLINE AC_C_BIGENDIAN AC_CHECK_SIZEOF(int) AC_CHECK_SIZEOF(long) dnl by the pre C9X ANSI C standards, size_t & ptrdiff_t have to be dnl representable by a standard integral type. since the largest dnl integer type in the pre-C9X ANSI C standards is long... AC_CHECK_TYPE(ptrdiff_t, long) AC_CACHE_CHECK([for long longs], scm_cv_long_longs, AC_TRY_COMPILE(, [long long a], scm_cv_long_longs=yes, scm_cv_long_longs=no)) if test "$scm_cv_long_longs" = yes; then AC_DEFINE(HAVE_LONG_LONGS) AC_CHECK_SIZEOF(long long) fi AC_CHECK_SIZEOF(void *) if test "$ac_cv_sizeof_long" -ne "$ac_cv_sizeof_void_p"; then AC_MSG_ERROR(sizes of long and void* are not identical) fi AC_HEADER_STDC AC_HEADER_DIRENT AC_HEADER_TIME AC_HEADER_SYS_WAIT AC_CHECK_HEADERS(io.h libc.h limits.h malloc.h memory.h string.h regex.h rxposix.h rx/rxposix.h sys/ioctl.h sys/select.h sys/time.h sys/timeb.h sys/times.h sys/stdtypes.h sys/types.h sys/utime.h time.h unistd.h utime.h) GUILE_HEADER_LIBC_WITH_UNISTD AC_TYPE_GETGROUPS AC_TYPE_SIGNAL AC_TYPE_MODE_T AC_CHECK_LIB(m, main) AC_CHECK_FUNCS(gethostbyname) if test $ac_cv_func_gethostbyname = no; then AC_CHECK_LIB(nsl, gethostbyname) fi AC_CHECK_FUNCS(connect) if test $ac_cv_func_connect = no; then AC_CHECK_LIB(socket, connect) fi # Check for dynamic linking use_modules=yes AC_ARG_WITH(modules, [ --with-modules[=FILES] Add support for dynamic modules], use_modules="$withval") test -z "$use_modules" && use_modules=yes DLPREOPEN= if test "$use_modules" != no; then AC_DEFINE(DYNAMIC_LINKING) if test "$use_modules" = yes; then DLPREOPEN="-dlpreopen force" else DLPREOPEN="-export-dynamic" for module in $use_modules; do DLPREOPEN="$DLPREOPEN -dlopen $module" done fi fi AC_SUBST(INCLTDL) AC_SUBST(LIBLTDL) AC_SUBST(DLPREOPEN) AC_CHECK_FUNCS(ctermid ftime fchown getcwd geteuid gettimeofday lstat mkdir mknod nice readlink rename rmdir select setegid seteuid setlocale setpgid setsid sigaction siginterrupt strftime strptime symlink sync tcgetpgrp tcsetpgrp times uname waitpid strdup system usleep atexit on_exit) AC_CHECK_HEADERS(crypt.h sys/resource.h sys/file.h) AC_CHECK_FUNCS(chroot flock getlogin cuserid getpriority setpriority getpass sethostname gethostname) AC_CHECK_LIB(crypt, crypt) ### Some systems don't declare some functions. On such systems, we ### need to at least provide our own K&R-style declarations. ### GUILE_FUNC_DECLARED(function, headerfile) ### Check for a declaration of FUNCTION in HEADERFILE; if it is ### not there, #define MISSING_FUNCTION_DECL. AC_DEFUN(GUILE_FUNC_DECLARED, [ AC_CACHE_CHECK(for $1 declaration, guile_cv_func_$1_declared, AC_EGREP_HEADER($1, $2, guile_cv_func_$1_declared=yes, guile_cv_func_$1_declared=no)) if test [x$guile_cv_func_]$1[_declared] = xno; then AC_DEFINE([MISSING_]translit($1, [a-z], [A-Z])[_DECL]) fi ]) GUILE_FUNC_DECLARED(strptime, time.h) GUILE_FUNC_DECLARED(sleep, unistd.h) GUILE_FUNC_DECLARED(usleep, unistd.h) ### On some systems usleep has no return value. If it does have one, ### we'd like to return it; otherwise, we'll fake it. AC_CACHE_CHECK([return type of usleep], guile_cv_func_usleep_return_type, [AC_EGREP_HEADER(changequote(<, >)changequote([, ]), /usr/include/unistd.h, [guile_cv_func_usleep_return_type=void], [guile_cv_func_usleep_return_type=int])]) case "$guile_cv_func_usleep_return_type" in "void" ) AC_DEFINE(USLEEP_RETURNS_VOID) ;; esac AC_CHECK_HEADER(sys/un.h, have_sys_un_h=1) if test -n "$have_sys_un_h" ; then AC_DEFINE(HAVE_UNIX_DOMAIN_SOCKETS) fi AC_CHECK_FUNCS(socketpair getgroups setpwent pause tzset) AC_CHECK_FUNCS(sethostent gethostent endhostent dnl setnetent getnetent endnetent dnl setprotoent getprotoent endprotoent dnl setservent getservent endservent dnl getnetbyaddr getnetbyname dnl inet_lnaof inet_makeaddr inet_netof hstrerror dnl inet_pton inet_ntop) dnl Some systems do not declare this. Some systems do declare it, as a dnl macro. With cygwin it may be in a DLL. AC_MSG_CHECKING(whether netdb.h declares h_errno) AC_CACHE_VAL(guile_cv_have_h_errno, [AC_TRY_COMPILE([#include ], [int a = h_errno;], guile_cv_have_h_errno=yes, guile_cv_have_h_errno=no)]) AC_MSG_RESULT($guile_cv_have_h_errno) if test $guile_cv_have_h_errno = yes; then AC_DEFINE(HAVE_H_ERRNO) fi AC_MSG_CHECKING(whether netdb.h defines uint32_t) AC_CACHE_VAL(guile_cv_have_uint32_t, [AC_TRY_COMPILE([#include ], [uint32_t a;], guile_cv_have_uint32_t=yes, guile_cv_have_uint32_t=no)]) AC_MSG_RESULT($guile_cv_have_uint32_t) if test $guile_cv_have_uint32_t = yes; then AC_DEFINE(HAVE_UINT32_T) fi AC_MSG_CHECKING(for working IPv6 support) AC_CACHE_VAL(guile_cv_have_ipv6, [AC_TRY_COMPILE([#include #include ], [struct sockaddr_in6 a; a.sin6_family = AF_INET6;], guile_cv_have_ipv6=yes, guile_cv_have_ipv6=no)]) AC_MSG_RESULT($guile_cv_have_ipv6) if test $guile_cv_have_ipv6 = yes; then AC_DEFINE(HAVE_IPV6) fi # included in rfc2553 but not in older implementations, e.g., glibc 2.1.3. AC_MSG_CHECKING(whether sockaddr_in6 has sin6_scope_id) AC_CACHE_VAL(guile_cv_have_sin6_scope_id, [AC_TRY_COMPILE([#include ], [struct sockaddr_in6 sok; sok.sin6_scope_id = 0;], guile_cv_have_sin6_scope_id=yes, guile_cv_have_sin6_scope_id=no)]) AC_MSG_RESULT($guile_cv_have_sin6_scope_id) if test $guile_cv_have_sin6_scope_id = yes; then AC_DEFINE(HAVE_SIN6_SCOPE_ID) fi AC_MSG_CHECKING(whether localtime caches TZ) AC_CACHE_VAL(guile_cv_localtime_cache, [if test x$ac_cv_func_tzset = xyes; then AC_TRY_RUN([#include #if STDC_HEADERS # include #endif extern char **environ; unset_TZ () { char **from, **to; for (to = from = environ; (*to = *from); from++) if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '=')) to++; } char TZ_GMT0[] = "TZ=GMT0"; char TZ_PST8[] = "TZ=PST8"; main() { time_t now = time ((time_t *) 0); int hour_GMT0, hour_unset; if (putenv (TZ_GMT0) != 0) exit (1); hour_GMT0 = localtime (&now)->tm_hour; unset_TZ (); hour_unset = localtime (&now)->tm_hour; if (putenv (TZ_PST8) != 0) exit (1); if (localtime (&now)->tm_hour == hour_GMT0) exit (1); unset_TZ (); if (localtime (&now)->tm_hour != hour_unset) exit (1); exit (0); }], guile_cv_localtime_cache=no, guile_cv_localtime_cache=yes, [# If we have tzset, assume the worst when cross-compiling. guile_cv_localtime_cache=yes]) else # If we lack tzset, report that localtime does not cache TZ, # since we can't invalidate the cache if we don't have tzset. guile_cv_localtime_cache=no fi])dnl AC_MSG_RESULT($guile_cv_localtime_cache) if test $guile_cv_localtime_cache = yes; then AC_DEFINE(LOCALTIME_CACHE) fi dnl Test whether system calls are restartable by default on the dnl current system. If they are not, we put a loop around every system dnl call to check for EINTR (see SCM_SYSCALL) and do not attempt to dnl change from the default behaviour. On the other hand, if signals dnl are restartable then the loop is not installed and when libguile dnl initialises it also resets the behaviour of each signal to cause a dnl restart (in case a different runtime had a different default dnl behaviour for some reason: e.g., different versions of linux seem dnl to behave differently.) AC_SYS_RESTARTABLE_SYSCALLS if test "$enable_regex" = yes; then if test "$ac_cv_header_regex_h" = yes || test "$ac_cv_header_rxposix_h" = yes || test "$ac_cv_header_rx_rxposix_h" = yes; then GUILE_NAMED_CHECK_FUNC(regcomp, norx, [LIBOBJS="regex-posix.o $LIBOBJS"], [AC_CHECK_LIB(rx, main) GUILE_NAMED_CHECK_FUNC(regcomp, rx, [LIBOBJS="regex-posix.o $LIBOBJS"])] ) dnl The following should not be necessary, but for some reason dnl autoheader misses it if we don't include it! if test "$ac_cv_func_regcomp_norx" = yes || test "$ac_cv_func_regcomp_rx" = yes; then AC_DEFINE(HAVE_REGCOMP) fi fi fi AC_REPLACE_FUNCS(inet_aton putenv strerror memmove) # When testing for the presence of alloca, we need to add alloca.o # explicitly to LIBOBJS to make sure that it is translated to # `alloca.lo' for libtool later on. This can and should be done more cleanly. AC_FUNC_ALLOCA if test "$ALLOCA" = "alloca.o"; then LIBOBJS="alloca.o $LIBOBJS"; fi AC_STRUCT_ST_RDEV AC_STRUCT_ST_BLKSIZE # We could use AC_STRUCT_ST_BLOCKS here, but that adds fileblocks.o to # LIBOBJS, which we don't need. This seems more direct. AC_CACHE_CHECK([for st_blocks in struct stat], ac_cv_struct_st_blocks, [AC_TRY_COMPILE([#include #include ], [struct stat s; s.st_blocks;], ac_cv_struct_st_blocks=yes, ac_cv_struct_st_blocks=no)]) if test $ac_cv_struct_st_blocks = yes; then AC_DEFINE(HAVE_ST_BLOCKS) fi AC_CACHE_CHECK([for S_ISLNK in sys/stat.h], ac_cv_macro_S_ISLNK, [AC_TRY_CPP([#include #ifndef S_ISLNK #error no S_ISLNK #endif], ac_cv_macro_S_ISLNK=yes, ac_cv_macro_S_ISLNK=no)]) if test $ac_cv_macro_S_ISLNK = yes; then AC_DEFINE(HAVE_S_ISLNK) fi AC_STRUCT_TIMEZONE GUILE_STRUCT_UTIMBUF #-------------------------------------------------------------------- # # Which way does the stack grow? # #-------------------------------------------------------------------- AC_TRY_RUN(aux (l) unsigned long l; { int x; exit (l >= ((unsigned long)&x)); } main () { int q; aux((unsigned long)&q); }, AC_DEFINE(SCM_STACK_GROWS_UP),,AC_MSG_WARN(Guessing that stack grows down -- see scmconfig.h.in)) AC_CACHE_CHECK([whether floats fit in longs], guile_cv_type_float_fits_long, [AC_TRY_RUN([main () { exit (sizeof(float) > sizeof(long)); }], [guile_cv_type_float_fits_long=yes], [guile_cv_type_float_fits_long=no], [guile_cv_type_float_fits_long=guess-yes])]) case $guile_cv_type_float_fits_long in "yes" ) AC_DEFINE(SCM_SINGLES) ;; "guess-yes" ) AC_DEFINE(SCM_SINGLES) AC_MSG_WARN([guessing that sizeof(long) == sizeof(float)]) AC_MSG_WARN([see SCM_SINGLES in scmconfig.h.in]) ;; esac AC_MSG_CHECKING(for struct linger) AC_CACHE_VAL(scm_cv_struct_linger, AC_TRY_COMPILE([ #include #include ], [struct linger lgr; lgr.l_linger = 100], scm_cv_struct_linger="yes", scm_cv_struct_linger="no")) AC_MSG_RESULT($scm_cv_struct_linger) if test $scm_cv_struct_linger = yes; then AC_DEFINE(HAVE_STRUCT_LINGER) fi AC_MSG_CHECKING(for struct timespec) AC_CACHE_VAL(scm_cv_struct_timespec, AC_TRY_COMPILE([ #include ], [struct timespec t; t.tv_nsec = 100], scm_cv_struct_timespec="yes", scm_cv_struct_timespec="no")) AC_MSG_RESULT($scm_cv_struct_timespec) if test $scm_cv_struct_timespec = yes; then AC_DEFINE(HAVE_STRUCT_TIMESPEC) fi #-------------------------------------------------------------------- # # Flags for thread support # #-------------------------------------------------------------------- ### What thread package has the user asked for? AC_ARG_WITH(threads, [ --with-threads thread interface], , with_threads=no) ### Turn $with_threads into either the name of a threads package, like ### `qt', or `no', meaning that threads should not be supported. AC_MSG_CHECKING(whether to support threads) case "$with_threads" in "yes" | "qt" | "coop" | "") with_threads=qt ;; "no" ) ;; * ) AC_MSG_ERROR(invalid value for --with-threads: $with_threads) ;; esac AC_MSG_RESULT($with_threads) ## Make sure the threads package we've chosen is actually supported on ## the present platform. case "${with_threads}" in "qt" ) ## This configures the QuickThreads package, and sets or clears ## the THREAD_PACKAGE variable if qthreads don't configure ## correctly. QTHREADS_CONFIGURE ;; esac ## If we're using threads, bring in some other parts of Guile which ## work with them. if test "${THREAD_PACKAGE}" != "" ; then AC_DEFINE(USE_THREADS, 1) ## Include the Guile thread interface in the library... LIBOBJS="$LIBOBJS threads.o" ## ... and tell it which package to talk to. case "${THREAD_PACKAGE}" in "QT" ) AC_DEFINE(USE_COOP_THREADS, 1) ;; * ) AC_MSG_ERROR(invalid value for THREAD_PACKAGE: ${THREAD_PACKAGE}) ;; esac ## Bring in scm_internal_select, if appropriate. if test $ac_cv_func_gettimeofday = yes && test $ac_cv_func_select = yes; then AC_DEFINE(GUILE_ISELECT, 1) fi ## Workaround for linuxthreads (currently disabled) if test $host_os = linux-gnu; then AC_DEFINE(GUILE_PTHREAD_COMPAT, 1) AC_CHECK_LIB(pthread, main) fi fi AC_SUBST(LIBGUILEQTHREADS_MAJOR_VERSION) AC_SUBST(LIBGUILEQTHREADS_MINOR_VERSION) AC_SUBST(LIBGUILEQTHREADS_REVISION_VERSION) AC_SUBST(LIBGUILEQTHREADS_VERSION) ## If we're using GCC, ask for aggressive warnings. case "$GCC" in yes ) ## We had -Wstrict-prototypes in here for a bit, but Guile does too ## much stuff with generic function pointers for that to really be ## less than exasperating. ## -Wpointer-arith was here too, but something changed in gcc/glibc ## and it became equally exasperating (gcc 2.95 and/or glibc 2.1.2). CFLAGS="$CFLAGS -Wall -Wmissing-prototypes" ;; esac AC_PROG_AWK ## If we're creating a shared library (using libtool!), then we'll ## need to generate a list of .lo files corresponding to the .o files ## given in LIBOBJS. We'll call it LIBLOBJS. LIBLOBJS="`echo ${LIBOBJS} | sed 's/\.o/.lo/g'`" ## We also need to create corresponding .doc and .x files EXTRA_DOT_DOC_FILES="`echo ${LIBOBJS} | sed 's/\.o/.doc/g'`" EXTRA_DOT_X_FILES="`echo ${LIBOBJS} | sed 's/\.o/.x/g'`" AC_SUBST(GUILE_MAJOR_VERSION) AC_SUBST(GUILE_MINOR_VERSION) AC_SUBST(GUILE_MICRO_VERSION) AC_SUBST(GUILE_VERSION) AC_SUBST(LIBGUILE_MAJOR_VERSION) AC_SUBST(LIBGUILE_MINOR_VERSION) AC_SUBST(LIBGUILE_REVISION_VERSION) AC_SUBST(LIBGUILE_VERSION) dnl Tell guile-config what flags guile users should link against. GUILE_LIBS="$LDFLAGS $THREAD_LIBS_INSTALLED $LIBS" AC_SUBST(GUILE_LIBS) AC_SUBST(AWK) AC_SUBST(LIBLOBJS) AC_SUBST(EXTRA_DOT_DOC_FILES) AC_SUBST(EXTRA_DOT_X_FILES) AC_OUTPUT([Makefile libguile/Makefile libguile/guile-snarf libguile/guile-doc-snarf libguile/guile-func-name-check libguile/guile-snarf-docs libguile/guile-snarf-docs-texi libguile/versiondat.h ice-9/Makefile oop/Makefile oop/goops/Makefile scripts/Makefile srfi/Makefile qt/Makefile qt/qt.h qt/md/Makefile qt/time/Makefile guile-config/Makefile doc/Makefile check-guile guile-tools], [chmod +x libguile/guile-snarf libguile/guile-doc-snarf libguile/guile-func-name-check libguile/guile-snarf-docs libguile/guile-snarf-docs-texi check-guile guile-tools]) dnl Local Variables: dnl comment-start: "dnl " dnl comment-end: "" dnl comment-start-skip: "\\bdnl\\b\\s *" dnl End: