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* src/parse-gram.y (lloc_default): Rewrite to avoid compiler bug.
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1# Configure template for GNU Bison. -*-Autoconf-*-
2#
3# Copyright (C) 2001, 2002, 2003, 2004 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 avoid the message
21# "autom4te: unknown language: Autoconf-without-aclocal-m4".
22AC_PREREQ(2.58)
23
24AC_INIT([GNU Bison], [1.875e], [bug-bison@gnu.org])
25AC_CONFIG_AUX_DIR([config])
26AC_CONFIG_MACRO_DIR([m4])
27
28AM_INIT_AUTOMAKE([1.7 check-news readme-alpha dist-bzip2])
29AC_CONFIG_HEADERS([config.h:config.hin])
30
31gl_USE_SYSTEM_EXTENSIONS
32
33# Checks for the compiler.
34AC_PROG_CC
35AM_PROG_CC_STDC
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 ${enableval} for gcc-warnings option]) ;;
41 esac],
42 [enableval=no])
43if test "${enableval}" = yes; then
44 BISON_WARNING(-Werror)
45 AC_SUBST([WERROR_CFLAGS], [$WARNING_CFLAGS])
46 WARNING_CFLAGS=
47 BISON_WARNING(-W)
48 BISON_WARNING(-Wall)
49 BISON_WARNING(-Wcast-align)
50 BISON_WARNING(-Wcast-qual)
51 BISON_WARNING(-Wformat)
52 BISON_WARNING(-Wwrite-strings)
53 AC_SUBST([WARNING_CXXFLAGS], [$WARNING_CFLAGS])
54 # The following warnings are not suitable for C++.
55 BISON_WARNING(-Wbad-function-cast)
56 BISON_WARNING(-Wmissing-declarations)
57 BISON_WARNING(-Wmissing-prototypes)
58 BISON_WARNING(-Wnested-externs)
59 BISON_WARNING(-Wshadow)
60 BISON_WARNING(-Wstrict-prototypes)
61 AC_DEFINE([lint], 1, [Define to 1 if the compiler is checking for lint.])
62fi
63
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 $enable_yacc in
69yes)
70 YACC_SCRIPT=yacc
71 YACC_LIBRARY=liby.a;;
72*)
73 YACC_SCRIPT=
74 YACC_LIBRARY=;;
75esac
76AC_SUBST([YACC_SCRIPT])
77AC_SUBST([YACC_LIBRARY])
78
79# Checks for programs.
80AC_PROG_LEX
81AC_PROG_YACC
82AC_PROG_RANLIB
83BISON_PROG_GNU_M4
84if test x"$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.])
88
89# Checks for header files.
90AC_CHECK_HEADERS_ONCE([locale.h])
91AM_STDBOOL_H
92
93# Checks for compiler characteristics.
94AC_C_INLINE
95
96# Checks for types.
97AC_CHECK_TYPES([uintptr_t])
98
99# Checks for library functions.
100AC_CHECK_FUNCS_ONCE([setlocale])
101AM_WITH_DMALLOC
102BISON_PREREQ_SUBPIPE
103BISON_PREREQ_TIMEVAR
104
105# gnulib and gettext.
106GNULIB_AUTOCONF_SNIPPET
107AM_GNU_GETTEXT_VERSION([0.11.5])
108
109# Initialize the test suite.
110AC_CONFIG_TESTDIR(tests)
111AC_CONFIG_FILES([tests/Makefile tests/atlocal])
112AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison])
113AC_CHECK_PROGS([VALGRIND], [valgrind])
114AC_PROG_CXX
115BISON_TEST_FOR_WORKING_CXX_COMPILER
116AM_MISSING_PROG([AUTOM4TE], [autom4te])
117# Needed by tests/atlocal.in.
118AC_SUBST([GCC])
119O0CFLAGS=`echo $CFLAGS | sed 's/-O[0-9] *//'`
120AC_SUBST([O0CFLAGS])
121
122AC_CONFIG_FILES([Makefile
123 config/Makefile
124 po/Makefile.in
125 data/Makefile
126 lib/Makefile src/Makefile doc/Makefile])
127AC_OUTPUT