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1# Configure template for GNU Bison. -*-Autoconf-*-
2#
dc546b0f 3# Copyright (C) 2001, 2002, 2003 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.
7548fed2 21AC_PREREQ(2.57)
342b8b6e 22
ab10c475 23AC_INIT([GNU Bison], [1.875b], [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], [$WARNING_CFLAGS])
46 WARNING_CFLAGS=
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47 BISON_WARNING(-Wall)
48 BISON_WARNING(-W)
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49 BISON_WARNING(-Wcast-align)
50 BISON_WARNING(-Wcast-qual)
1e3e4bc1 51 BISON_WARNING(-Wformat)
630f5212 52 BISON_WARNING(-Wmissing-prototypes)
ab3bec29 53 BISON_WARNING(-Wshadow)
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54 BISON_WARNING(-Wstrict-prototypes)
55 BISON_WARNING(-Wwrite-strings)
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56 AC_SUBST([WARNING_CXXFLAGS], [$WARNING_CFLAGS])
57 # The following warnings are not suitable for C++.
58 BISON_WARNING(-Wbad-function-cast)
59 BISON_WARNING(-Wmissing-declarations)
60 BISON_WARNING(-Wnested-externs)
bcb3effb 61 AC_DEFINE([lint], 1, [Define to 1 if the compiler is checking for lint.])
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62fi
63
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64AC_ARG_ENABLE([yacc],
65 [AC_HELP_STRING([--disable-yacc],
66 [do not build a yacc command or an -ly library])],
67 , [enable_yacc=yes])
68case $enable_yacc in
69yes)
70 YACC_SCRIPT=yacc
71 YACC_LIBRARY=liby.a;;
72*)
73 YACC_SCRIPT=
74 YACC_LIBRARY=;;
75esac
76AC_SUBST([YACC_SCRIPT])
77AC_SUBST([YACC_LIBRARY])
78
f377f69f 79# Checks for programs.
41cce2f6 80AC_PROG_LEX
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81AC_PROG_YACC
82AC_PROG_RANLIB
83BISON_PROG_GNU_M4
84if test x"$ac_cv_prog_gnu_m4" != xyes; then
85 AC_MSG_ERROR([GNU M4 1.4 is required])
86fi
87AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])
f2939cd6 88
e79137ac 89# Checks for header files.
f2939cd6 90AC_HEADER_STDC
273a74fa 91AC_CHECK_HEADERS([ctype.h locale.h memory.h stdlib.h string.h unistd.h])
8d60a570 92AC_HEADER_STDBOOL
f2939cd6 93
e79137ac 94# Checks for compiler characteristics.
dd877b0c 95AC_C_INLINE
f2939cd6 96
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97# Checks for types.
98AC_CHECK_TYPES([uintptr_t])
99
e79137ac 100# Checks for library functions.
381fb12e 101AC_CHECK_FUNCS(setlocale)
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102AC_CHECK_DECLS([free, getenv, getopt,
103 stpcpy, strchr, strspn, strnlen,
db85e524 104 malloc, memchr, memrchr])
f61aad93 105AC_REPLACE_FUNCS(strchr strrchr strspn)
342b8b6e 106AM_WITH_DMALLOC
2593afab 107BISON_PREREQ_SUBPIPE
1509d42f 108BISON_PREREQ_TIMEVAR
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109gl_DIRNAME
110gl_ERROR
111gl_FUNC_ALLOCA
112gl_FUNC_MEMCHR
113gl_FUNC_MEMRCHR
114gl_FUNC_STPCPY
115gl_FUNC_STRNLEN
116gl_FUNC_STRTOL
117gl_GETOPT
118gl_HASH
119gl_MBSWIDTH
120gl_OBSTACK
121gl_QUOTE
122gl_QUOTEARG
123gl_XALLOC
124jm_FUNC_GLIBC_UNLOCKED_IO
125jm_FUNC_MALLOC
126jm_FUNC_REALLOC
f2939cd6 127
db85e524 128# Gettext.
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129AM_GNU_GETTEXT(external, need-ngettext)
130AM_GNU_GETTEXT_VERSION(0.11.5)
bbcb769c 131
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132# Initialize the test suite.
133AC_CONFIG_TESTDIR(tests)
134AC_CONFIG_FILES([tests/Makefile tests/atlocal])
135AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison])
136AC_CHECK_PROGS([VALGRIND], [valgrind])
504f20f7 137AC_PROG_CXX
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138AM_MISSING_PROG([AUTOM4TE], [autom4te])
139# Needed by tests/atlocal.in.
140AC_SUBST([GCC])
141O0CFLAGS=`echo $CFLAGS | sed 's/-O[0-9] *//'`
142AC_SUBST([O0CFLAGS])
143
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144AC_CONFIG_FILES([Makefile
145 config/Makefile
146 po/Makefile.in
147 data/Makefile
148 lib/Makefile src/Makefile doc/Makefile
149 m4/Makefile])
150AC_OUTPUT