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* data/glr.c (yysplitStack): A little stylistic rewrite.
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1# Configure template for GNU Bison. -*-Autoconf-*-
2#
9b9642fc 3# Copyright (C) 2001, 2002, 2003, 2004, 2005 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
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17# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18# 02110-1301 USA
342b8b6e 19
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20# This file uses AC_CONFIG_MACRO_DIR, so we need Autoconf 2.58 or better.
21# But Autoconf 2.58 has a bug in the way that it generates tests: it
22# puts the wrong absolute path names in the tests. So we need at
23# least Autoconf 2.59.
24AC_PREREQ(2.59)
342b8b6e 25
c7fb0b90 26AC_INIT([GNU Bison], [2.1a], [bug-bison@gnu.org])
c8775f93 27AC_CONFIG_AUX_DIR([build-aux])
1f65350a 28AC_CONFIG_MACRO_DIR([m4])
342b8b6e 29
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30# We don't have a file m4/Makefile.am, so we need Automake 1.8 or later.
31AM_INIT_AUTOMAKE([1.8 check-news readme-alpha dist-bzip2])
927f7817 32AC_CONFIG_HEADERS([config.h:config.hin])
f2939cd6 33
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34gl_USE_SYSTEM_EXTENSIONS
35
f377f69f 36# Checks for the compiler.
7c4399ed 37AC_PROG_CC
d2729d44 38AM_PROG_CC_STDC
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39AC_ARG_ENABLE(gcc-warnings,
40[ --enable-gcc-warnings turn on lots of GCC warnings (not recommended)],
41[case "${enableval}" in
42 yes|no) ;;
43 *) AC_MSG_ERROR([bad value ${enableval} for gcc-warnings option]) ;;
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44 esac],
45 [enableval=no])
630f5212 46if test "${enableval}" = yes; then
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47 BISON_WARNING(-Werror)
48 AC_SUBST([WERROR_CFLAGS], [$WARNING_CFLAGS])
49 WARNING_CFLAGS=
630f5212 50 BISON_WARNING(-W)
e476c87d 51 BISON_WARNING(-Wall)
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52 BISON_WARNING(-Wcast-align)
53 BISON_WARNING(-Wcast-qual)
1e3e4bc1 54 BISON_WARNING(-Wformat)
630f5212 55 BISON_WARNING(-Wwrite-strings)
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56 AC_SUBST([WARNING_CXXFLAGS], [$WARNING_CFLAGS])
57 # The following warnings are not suitable for C++.
58 BISON_WARNING(-Wbad-function-cast)
59 BISON_WARNING(-Wmissing-declarations)
e476c87d 60 BISON_WARNING(-Wmissing-prototypes)
504f20f7 61 BISON_WARNING(-Wnested-externs)
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62 BISON_WARNING(-Wshadow)
63 BISON_WARNING(-Wstrict-prototypes)
bcb3effb 64 AC_DEFINE([lint], 1, [Define to 1 if the compiler is checking for lint.])
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65fi
66
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67AC_ARG_ENABLE([yacc],
68 [AC_HELP_STRING([--disable-yacc],
69 [do not build a yacc command or an -ly library])],
70 , [enable_yacc=yes])
71case $enable_yacc in
72yes)
73 YACC_SCRIPT=yacc
74 YACC_LIBRARY=liby.a;;
75*)
76 YACC_SCRIPT=
77 YACC_LIBRARY=;;
78esac
79AC_SUBST([YACC_SCRIPT])
80AC_SUBST([YACC_LIBRARY])
81
f377f69f 82# Checks for programs.
41cce2f6 83AC_PROG_LEX
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84AC_PROG_YACC
85AC_PROG_RANLIB
86BISON_PROG_GNU_M4
87if test x"$ac_cv_prog_gnu_m4" != xyes; then
88 AC_MSG_ERROR([GNU M4 1.4 is required])
89fi
90AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])
f2939cd6 91
e79137ac 92# Checks for header files.
1f65350a 93AC_CHECK_HEADERS_ONCE([locale.h])
e2527c97 94AM_STDBOOL_H
f2939cd6 95
e79137ac 96# Checks for compiler characteristics.
dd877b0c 97AC_C_INLINE
f2939cd6 98
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99# Checks for types.
100AC_CHECK_TYPES([uintptr_t])
101
e79137ac 102# Checks for library functions.
1f65350a 103AC_CHECK_FUNCS_ONCE([setlocale])
342b8b6e 104AM_WITH_DMALLOC
2593afab 105BISON_PREREQ_SUBPIPE
1509d42f 106BISON_PREREQ_TIMEVAR
f2939cd6 107
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108# gnulib and gettext.
109GNULIB_AUTOCONF_SNIPPET
f7ab6a50 110# We use po/Makevars, so we need at least gettext 0.12.
fd418816 111AM_GNU_GETTEXT_VERSION([0.12])
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112BISON_I18N
113
114# Internationalized parsers.
115AC_CONFIG_FILES([runtime-po/Makefile.in])
116# Autoconf macros for packages using internationalized parsers.
117aclocaldir='${datadir}/aclocal'
118AC_SUBST([aclocaldir])
bbcb769c 119
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120# Initialize the test suite.
121AC_CONFIG_TESTDIR(tests)
122AC_CONFIG_FILES([tests/Makefile tests/atlocal])
123AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison])
124AC_CHECK_PROGS([VALGRIND], [valgrind])
504f20f7 125AC_PROG_CXX
209ea708 126BISON_TEST_FOR_WORKING_CXX_COMPILER
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127AM_MISSING_PROG([AUTOM4TE], [autom4te])
128# Needed by tests/atlocal.in.
129AC_SUBST([GCC])
9b9642fc 130O0CFLAGS=`echo $CFLAGS | sed 's/-O[[0-9]] *//'`
f377f69f 131AC_SUBST([O0CFLAGS])
9b9642fc 132O0CXXFLAGS=`echo $CXXFLAGS | sed 's/-O[[0-9]] *//'`
8ed3234a 133AC_SUBST([O0CXXFLAGS])
f377f69f 134
927f7817 135AC_CONFIG_FILES([Makefile
24cc23d9 136 build-aux/Makefile
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137 po/Makefile.in
138 data/Makefile
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139 examples/Makefile
140 examples/calc++/Makefile
1f65350a 141 lib/Makefile src/Makefile doc/Makefile])
927f7817 142AC_OUTPUT