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1# Configure template for GNU Bison. -*-Autoconf-*-
2#
3# Copyright (C) 2001, 2002 Free Software Foundation, Inc.
4#
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.
21AC_PREREQ(2.54)
22
23AC_INIT([GNU Bison], [1.50a], [bug-bison@gnu.org])
24AC_CONFIG_AUX_DIR(config)
25
26AM_INIT_AUTOMAKE([1.7 check-news readme-alpha dist-bzip2])
27AC_CONFIG_HEADERS([config.h:config.hin])
28
29# Initialize the test suite.
30AC_CONFIG_TESTDIR(tests)
31AC_CONFIG_FILES([tests/Makefile tests/atlocal])
32AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison])
33# Needed by tests/atlocal.in.
34AC_SUBST([GCC])
35
36# Checks for programs.
37AC_PROG_CC
38AM_PROG_LEX
39AC_PROG_YACC
40AC_MINIX
41AC_ISC_POSIX
42AM_PROG_CC_STDC
43AC_PROG_RANLIB
44AM_MISSING_PROG([AUTOM4TE], [autom4te])
45BISON_PROG_GNU_M4
46if test x"$ac_cv_prog_gnu_m4" != xyes; then
47 AC_MSG_ERROR([GNU M4 1.4 is required])
48fi
49AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])
50
51AC_ARG_ENABLE(gcc-warnings,
52[ --enable-gcc-warnings turn on lots of GCC warnings (not recommended)],
53[case "${enableval}" in
54 yes|no) ;;
55 *) AC_MSG_ERROR([bad value ${enableval} for gcc-warnings option]) ;;
56 esac],
57 [enableval=no])
58if test "${enableval}" = yes; then
59 BISON_WARNING(-Werror)
60 AC_SUBST([WERROR_CFLAGS], [$WARNING_CFLAGS])
61 WARNING_CFLAGS=
62 BISON_WARNING(-Wall)
63 BISON_WARNING(-W)
64 BISON_WARNING(-Wbad-function-cast)
65 BISON_WARNING(-Wcast-align)
66 BISON_WARNING(-Wcast-qual)
67 BISON_WARNING(-Wformat)
68 BISON_WARNING(-Wmissing-declarations)
69 BISON_WARNING(-Wmissing-prototypes)
70 BISON_WARNING(-Wnested-externs)
71 BISON_WARNING(-Wshadow)
72 BISON_WARNING(-Wstrict-prototypes)
73 BISON_WARNING(-Wwrite-strings)
74fi
75
76# Checks for libraries.
77AC_DEFINE([_GNU_SOURCE],1,[Define to 1 for GNU C library extensions.])
78
79# Checks for header files.
80AC_HEADER_STDC
81AC_CHECK_HEADERS([ctype.h locale.h memory.h stdlib.h string.h unistd.h])
82
83# Checks for compiler characteristics.
84AC_C_CONST
85AC_C_INLINE
86AM_C_PROTOTYPES
87
88# Checks for library functions.
89AC_FUNC_ALLOCA
90AC_FUNC_OBSTACK
91AC_FUNC_ERROR_AT_LINE
92AC_FUNC_STRNLEN
93UTILS_FUNC_MKSTEMP
94AC_CHECK_FUNCS(setlocale)
95AC_CHECK_DECLS([free, getenv, getopt,
96 stpcpy, strchr, strspn, strnlen,
97 malloc, memchr, memrchr])
98AC_REPLACE_FUNCS(memchr memrchr \
99 strchr stpcpy strrchr strspn strtol)
100AC_FUNC_MALLOC
101AC_FUNC_REALLOC
102jm_PREREQ_QUOTEARG
103jm_FUNC_ARGMATCH
104jm_PREREQ_ERROR
105jm_PREREQ_TEMPNAME
106AM_WITH_DMALLOC
107BISON_PREREQ_TIMEVAR
108
109# Gettext.
110AM_GNU_GETTEXT(external, need-ngettext)
111AM_GNU_GETTEXT_VERSION(0.11.5)
112
113AC_CONFIG_FILES([Makefile
114 config/Makefile
115 po/Makefile.in
116 data/Makefile
117 lib/Makefile src/Makefile doc/Makefile
118 m4/Makefile])
119AC_OUTPUT