dnl -*- Autoconf -*-

AC_INIT([scales], [0.0.0], [rekado+scales@elephly.net])
AC_CONFIG_AUX_DIR([build-aux])
AM_INIT_AUTOMAKE([gnu color-tests -Wall -Wno-portability foreign])
AM_SILENT_RULES([yes])

dnl We require pkg.m4 (from pkg-config) and guile.m4 (from Guile.)
dnl Make sure they are available.
m4_pattern_forbid([PKG_CHECK_MODULES])
m4_pattern_forbid([GUILE_MODULE_AVAILABLE])
m4_pattern_forbid([^GUILE_P$])

dnl Search for 'guile' and 'guild'.
GUILE_PKG([2.2 2.0])
GUILE_PROGS
if test "x$GUILD" = "x"; then
   AC_MSG_ERROR(['guild' binary not found; please check your guile-2.x installation.])
fi

guilemoduledir="${datarootdir}/guile/site/${GUILE_EFFECTIVE_VERSION}"
AC_SUBST([guilemoduledir])
AC_SUBST([GUILE_EFFECTIVE_VERSION])

dnl Substitute placeholders to generate these target files
AC_CONFIG_FILES([Makefile])
AC_CONFIG_FILES([scripts/scales], [chmod +x scripts/scales])
AC_CONFIG_FILES([pre-inst-env:build-aux/pre-inst-env.in],
  [chmod +x pre-inst-env])

AC_OUTPUT