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[bison.git] / configure.ac
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1# Configure template for GNU Bison. -*-Autoconf-*-
2#
b4e4c0d1 3# Copyright (C) 2001, 2002 Free Software Foundation, Inc.
2c8a9dfa 4#
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5# This program is free software; you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation; either version 2 of the License, or
8# (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13# GNU General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
16# along with this program; if not, write to the Free Software
17# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18# 02111-1307 USA
19
20# We need a recent Autoconf to run a recent Autotest.
e0a13e7b 21AC_PREREQ(2.54)
342b8b6e 22
b37e5542 23AC_INIT([GNU Bison], [1.75a], [bug-bison@gnu.org])
1e24cc5b 24AC_CONFIG_AUX_DIR(config)
342b8b6e 25
a5c75d7f 26AM_INIT_AUTOMAKE([1.7 check-news readme-alpha dist-bzip2])
927f7817 27AC_CONFIG_HEADERS([config.h:config.hin])
f2939cd6 28
f377f69f 29# Checks for the compiler.
7c4399ed 30AC_PROG_CC
f377f69f 31# Remove with Automake 1.8.
d2729d44 32AC_ISC_POSIX
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33AC_GNU_SOURCE
34AC_MINIX
d2729d44 35AM_PROG_CC_STDC
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36AC_ARG_ENABLE(gcc-warnings,
37[ --enable-gcc-warnings turn on lots of GCC warnings (not recommended)],
38[case "${enableval}" in
39 yes|no) ;;
40 *) AC_MSG_ERROR([bad value ${enableval} for gcc-warnings option]) ;;
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41 esac],
42 [enableval=no])
630f5212 43if test "${enableval}" = yes; then
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44 BISON_WARNING(-Werror)
45 AC_SUBST([WERROR_CFLAGS], [$WARNING_CFLAGS])
46 WARNING_CFLAGS=
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47 BISON_WARNING(-Wall)
48 BISON_WARNING(-W)
49 BISON_WARNING(-Wbad-function-cast)
50 BISON_WARNING(-Wcast-align)
51 BISON_WARNING(-Wcast-qual)
1e3e4bc1 52 BISON_WARNING(-Wformat)
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53 BISON_WARNING(-Wmissing-declarations)
54 BISON_WARNING(-Wmissing-prototypes)
55 BISON_WARNING(-Wnested-externs)
ab3bec29 56 BISON_WARNING(-Wshadow)
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57 BISON_WARNING(-Wstrict-prototypes)
58 BISON_WARNING(-Wwrite-strings)
59fi
60
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61# Checks for programs.
62AM_PROG_LEX
63AC_PROG_YACC
64AC_PROG_RANLIB
65BISON_PROG_GNU_M4
66if test x"$ac_cv_prog_gnu_m4" != xyes; then
67 AC_MSG_ERROR([GNU M4 1.4 is required])
68fi
69AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])
f2939cd6 70
e79137ac 71# Checks for header files.
f2939cd6 72AC_HEADER_STDC
273a74fa 73AC_CHECK_HEADERS([ctype.h locale.h memory.h stdlib.h string.h unistd.h])
8d60a570 74AC_HEADER_STDBOOL
f2939cd6 75
e79137ac 76# Checks for compiler characteristics.
dd877b0c 77AC_C_INLINE
f2939cd6 78
e79137ac 79# Checks for library functions.
f2939cd6 80AC_FUNC_ALLOCA
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81AC_FUNC_OBSTACK
82AC_FUNC_ERROR_AT_LINE
c57b2479 83AC_FUNC_STRNLEN
381fb12e 84AC_CHECK_FUNCS(setlocale)
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85AC_CHECK_DECLS([free, getenv, getopt,
86 stpcpy, strchr, strspn, strnlen,
db85e524 87 malloc, memchr, memrchr])
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88AC_REPLACE_FUNCS(memchr memrchr \
89 strchr stpcpy strrchr strspn strtol)
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90AC_FUNC_MALLOC
91AC_FUNC_REALLOC
ff4a34be 92jm_PREREQ_QUOTEARG
ae64af35 93jm_FUNC_ARGMATCH
5141b016 94jm_PREREQ_ERROR
342b8b6e 95AM_WITH_DMALLOC
2593afab 96BISON_PREREQ_SUBPIPE
1509d42f 97BISON_PREREQ_TIMEVAR
f2939cd6 98
db85e524 99# Gettext.
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100AM_GNU_GETTEXT(external, need-ngettext)
101AM_GNU_GETTEXT_VERSION(0.11.5)
bbcb769c 102
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103# Initialize the test suite.
104AC_CONFIG_TESTDIR(tests)
105AC_CONFIG_FILES([tests/Makefile tests/atlocal])
106AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison])
107AC_CHECK_PROGS([VALGRIND], [valgrind])
108AC_CHECK_PROGS([GXX], [g++])
109AM_MISSING_PROG([AUTOM4TE], [autom4te])
110# Needed by tests/atlocal.in.
111AC_SUBST([GCC])
112O0CFLAGS=`echo $CFLAGS | sed 's/-O[0-9] *//'`
113AC_SUBST([O0CFLAGS])
114
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115AC_CONFIG_FILES([Makefile
116 config/Makefile
117 po/Makefile.in
118 data/Makefile
119 lib/Makefile src/Makefile doc/Makefile
120 m4/Makefile])
121AC_OUTPUT