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1# Configure template for GNU Bison. -*-Autoconf-*-
2#
3# Copyright (C) 2001, 2002, 2003 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(2.57)
22
23AC_INIT([GNU Bison], [1.875b], [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# Checks for the compiler.
30AC_PROG_CC
31# Remove with Automake 1.8.
32AC_ISC_POSIX
33AC_GNU_SOURCE
34AC_MINIX
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(-Wall)
48 BISON_WARNING(-W)
49 BISON_WARNING(-Wbad-function-cast)
50 BISON_WARNING(-Wcast-align)
51 BISON_WARNING(-Wcast-qual)
52 BISON_WARNING(-Wformat)
53 BISON_WARNING(-Wmissing-declarations)
54 BISON_WARNING(-Wmissing-prototypes)
55 BISON_WARNING(-Wnested-externs)
56 BISON_WARNING(-Wshadow)
57 BISON_WARNING(-Wstrict-prototypes)
58 BISON_WARNING(-Wwrite-strings)
59 AC_DEFINE([lint], 1, [Define to 1 if the compiler is checking for lint.])
60fi
61
62AC_ARG_ENABLE([yacc],
63 [AC_HELP_STRING([--disable-yacc],
64 [do not build a yacc command or an -ly library])],
65 , [enable_yacc=yes])
66case $enable_yacc in
67yes)
68 YACC_SCRIPT=yacc
69 YACC_LIBRARY=liby.a;;
70*)
71 YACC_SCRIPT=
72 YACC_LIBRARY=;;
73esac
74AC_SUBST([YACC_SCRIPT])
75AC_SUBST([YACC_LIBRARY])
76
77# Checks for programs.
78AC_PROG_LEX
79AC_PROG_YACC
80AC_PROG_RANLIB
81BISON_PROG_GNU_M4
82if test x"$ac_cv_prog_gnu_m4" != xyes; then
83 AC_MSG_ERROR([GNU M4 1.4 is required])
84fi
85AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])
86
87# Checks for header files.
88AC_HEADER_STDC
89AC_CHECK_HEADERS([ctype.h locale.h memory.h stdlib.h string.h unistd.h])
90AC_HEADER_STDBOOL
91
92# Checks for compiler characteristics.
93AC_C_INLINE
94
95# Checks for types.
96AC_CHECK_TYPES([uintptr_t])
97
98# Checks for library functions.
99AC_CHECK_FUNCS(setlocale)
100AC_CHECK_DECLS([free, getenv, getopt,
101 stpcpy, strchr, strspn, strnlen,
102 malloc, memchr, memrchr])
103AC_REPLACE_FUNCS(strchr strrchr strspn)
104AC_FUNC_ERROR_AT_LINE
105AM_WITH_DMALLOC
106BISON_PREREQ_SUBPIPE
107BISON_PREREQ_TIMEVAR
108gl_DIRNAME
109gl_ERROR
110gl_FUNC_ALLOCA
111gl_FUNC_MEMCHR
112gl_FUNC_MEMRCHR
113gl_FUNC_STPCPY
114gl_FUNC_STRNLEN
115gl_FUNC_STRTOL
116gl_GETOPT
117gl_HASH
118gl_MBSWIDTH
119gl_OBSTACK
120gl_QUOTE
121gl_QUOTEARG
122gl_XALLOC
123jm_FUNC_GLIBC_UNLOCKED_IO
124jm_FUNC_MALLOC
125jm_FUNC_REALLOC
126
127# Gettext.
128AM_GNU_GETTEXT(external, need-ngettext)
129AM_GNU_GETTEXT_VERSION(0.11.5)
130
131# Initialize the test suite.
132AC_CONFIG_TESTDIR(tests)
133AC_CONFIG_FILES([tests/Makefile tests/atlocal])
134AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison])
135AC_CHECK_PROGS([VALGRIND], [valgrind])
136AC_CHECK_PROGS([CXX], [g++])
137AM_MISSING_PROG([AUTOM4TE], [autom4te])
138# Needed by tests/atlocal.in.
139AC_SUBST([GCC])
140O0CFLAGS=`echo $CFLAGS | sed 's/-O[0-9] *//'`
141AC_SUBST([O0CFLAGS])
142
143AC_CONFIG_FILES([Makefile
144 config/Makefile
145 po/Makefile.in
146 data/Makefile
147 lib/Makefile src/Makefile doc/Makefile
148 m4/Makefile])
149AC_OUTPUT