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# Configure template for GNU Bison. -*-Autoconf-*-
#
# Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301 USA
# This file uses AC_CONFIG_MACRO_DIR, so we need Autoconf 2.58 or better.
# But Autoconf 2.58 has a bug in the way that it generates tests: it
# puts the wrong absolute path names in the tests. So we need at
# least Autoconf 2.59.
AC_PREREQ(2.59)
AC_INIT([GNU Bison], [2.0a], [bug-bison@gnu.org])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([m4])
# We don't have a file m4/Makefile.am, so we need Automake 1.8 or later.
AM_INIT_AUTOMAKE([1.8 check-news readme-alpha dist-bzip2])
AC_CONFIG_HEADERS([config.h:config.hin])
gl_USE_SYSTEM_EXTENSIONS
# Checks for the compiler.
AC_PROG_CC
AM_PROG_CC_STDC
AC_ARG_ENABLE(gcc-warnings,
[ --enable-gcc-warnings turn on lots of GCC warnings (not recommended)],
[case "${enableval}" in
yes|no) ;;
*) AC_MSG_ERROR([bad value ${enableval} for gcc-warnings option]) ;;
esac],
[enableval=no])
if test "${enableval}" = yes; then
BISON_WARNING(-Werror)
AC_SUBST([WERROR_CFLAGS], [$WARNING_CFLAGS])
WARNING_CFLAGS=
BISON_WARNING(-W)
BISON_WARNING(-Wall)
BISON_WARNING(-Wcast-align)
BISON_WARNING(-Wcast-qual)
BISON_WARNING(-Wformat)
BISON_WARNING(-Wwrite-strings)
AC_SUBST([WARNING_CXXFLAGS], [$WARNING_CFLAGS])
# The following warnings are not suitable for C++.
BISON_WARNING(-Wbad-function-cast)
BISON_WARNING(-Wmissing-declarations)
BISON_WARNING(-Wmissing-prototypes)
BISON_WARNING(-Wnested-externs)
BISON_WARNING(-Wshadow)
BISON_WARNING(-Wstrict-prototypes)
AC_DEFINE([lint], 1, [Define to 1 if the compiler is checking for lint.])
fi
AC_ARG_ENABLE([yacc],
[AC_HELP_STRING([--disable-yacc],
[do not build a yacc command or an -ly library])],
, [enable_yacc=yes])
case $enable_yacc in
yes)
YACC_SCRIPT=yacc
YACC_LIBRARY=liby.a;;
*)
YACC_SCRIPT=
YACC_LIBRARY=;;
esac
AC_SUBST([YACC_SCRIPT])
AC_SUBST([YACC_LIBRARY])
# Checks for programs.
AC_PROG_LEX
AC_PROG_YACC
AC_PROG_RANLIB
BISON_PROG_GNU_M4
if test x"$ac_cv_prog_gnu_m4" != xyes; then
AC_MSG_ERROR([GNU M4 1.4 is required])
fi
AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])
# Checks for header files.
AC_CHECK_HEADERS_ONCE([locale.h])
AM_STDBOOL_H
# Checks for compiler characteristics.
AC_C_INLINE
# Checks for types.
AC_CHECK_TYPES([uintptr_t])
# Checks for library functions.
AC_CHECK_FUNCS_ONCE([setlocale])
AM_WITH_DMALLOC
BISON_PREREQ_SUBPIPE
BISON_PREREQ_TIMEVAR
# gnulib and gettext.
GNULIB_AUTOCONF_SNIPPET
# We use po/Makevars, so we need at least gettext 0.12.
AM_GNU_GETTEXT_VERSION([0.12])
BISON_I18N
# Internationalized parsers.
AC_CONFIG_FILES([runtime-po/Makefile.in])
# Autoconf macros for packages using internationalized parsers.
aclocaldir='${datadir}/aclocal'
AC_SUBST([aclocaldir])
# Initialize the test suite.
AC_CONFIG_TESTDIR(tests)
AC_CONFIG_FILES([tests/Makefile tests/atlocal])
AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison])
AC_CHECK_PROGS([VALGRIND], [valgrind])
AC_PROG_CXX
BISON_TEST_FOR_WORKING_CXX_COMPILER
AM_MISSING_PROG([AUTOM4TE], [autom4te])
# Needed by tests/atlocal.in.
AC_SUBST([GCC])
O0CFLAGS=`echo $CFLAGS | sed 's/-O[[0-9]] *//'`
AC_SUBST([O0CFLAGS])
O0CXXFLAGS=`echo $CXXFLAGS | sed 's/-O[[0-9]] *//'`
AC_SUBST([O0CXXFLAGS])
AC_CONFIG_FILES([Makefile
config/Makefile
po/Makefile.in
data/Makefile
examples/Makefile
examples/calc++/Makefile
lib/Makefile src/Makefile doc/Makefile])
AC_OUTPUT
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