Port small part of master's 11707b2b so future ports are easier.
[bison.git] / configure.ac
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1# Configure template for GNU Bison. -*-Autoconf-*-
2#
3# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
4# Free Software Foundation, Inc.
5#
6# This program is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18
19# We have strange test case titles, so we need Autoconf 2.61 or better.
20AC_PREREQ(2.61)
21
22AC_INIT([GNU Bison],
23 m4_esyscmd([build-aux/git-version-gen .tarball-version]),
24 [bug-bison@gnu.org])
25AC_DEFINE([PACKAGE_COPYRIGHT_YEAR], [2008],
26 [The copyright year for this package])
27AC_SUBST([PACKAGE_COPYRIGHT_YEAR], [2008])
28
29AC_CONFIG_AUX_DIR([build-aux])
30AC_CONFIG_MACRO_DIR([m4])
31
32# We don't have a file m4/Makefile.am, so we need Automake 1.8 or later.
33# We want gnits strictness only when rolling a formal release so that we can,
34# for example, run make dist at other times without being required to add a
35# bogus NEWS entry.
36AM_INIT_AUTOMAKE([1.8 dist-bzip2]
37 m4_bmatch(m4_defn([AC_PACKAGE_VERSION]), [-], [gnu], [gnits]))
38AC_CONFIG_HEADERS([lib/config.h:lib/config.hin])
39
40# Checks for the compiler.
41AC_PROG_CC_STDC
42
43# Gnulib (early checks).
44gl_EARLY
45
46AC_ARG_ENABLE(gcc-warnings,
47[ --enable-gcc-warnings turn on lots of GCC warnings (not recommended)],
48[case "${enableval}" in
49 yes|no) ;;
50 *) AC_MSG_ERROR([bad value ${enableval} for gcc-warnings option]) ;;
51 esac],
52 [enableval=no])
53if test "${enableval}" = yes; then
54 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
55 AC_SUBST([WERROR_CFLAGS])
56 gl_WARN_ADD([-Wall])
57 gl_WARN_ADD([-Wextra -Wno-sign-compare])
58 gl_WARN_ADD([-Wcast-align])
59 gl_WARN_ADD([-Wcast-qual])
60 gl_WARN_ADD([-Wformat])
61 gl_WARN_ADD([-Wpointer-arith])
62 gl_WARN_ADD([-Wwrite-strings])
63 AC_SUBST([WARN_CXXFLAGS], [$WARN_CFLAGS])
64 # The following warnings are not suitable for C++.
65 gl_WARN_ADD([-Wbad-function-cast])
66 gl_WARN_ADD([-Wmissing-declarations])
67 gl_WARN_ADD([-Wmissing-prototypes])
68 gl_WARN_ADD([-Wshadow])
69 gl_WARN_ADD([-Wstrict-prototypes])
70 AC_SUBST([WARN_CFLAGS])
71 # Warnings for the test suite only.
72 gl_WARN_ADD([-Wundef], [WARN_CFLAGS_TEST])
73 WARN_CXXFLAGS_TEST="$WARN_CXXFLAGS $WARN_CFLAGS_TEST"
74 WARN_CFLAGS_TEST="$WARN_CFLAGS $WARN_CFLAGS_TEST"
75 AC_SUBST([WARN_CXXFLAGS_TEST])
76 AC_SUBST([WARN_CFLAGS_TEST])
77 AC_DEFINE([lint], 1, [Define to 1 if the compiler is checking for lint.])
78fi
79
80BISON_TEST_FOR_WORKING_C_COMPILER
81
82AC_ARG_ENABLE([yacc],
83 [AC_HELP_STRING([--disable-yacc],
84 [do not build a yacc command or an -ly library])],
85 , [enable_yacc=yes])
86case $enable_yacc in
87yes)
88 YACC_SCRIPT=yacc
89 YACC_LIBRARY=liby.a;;
90*)
91 YACC_SCRIPT=
92 YACC_LIBRARY=;;
93esac
94AC_SUBST([YACC_SCRIPT])
95AC_SUBST([YACC_LIBRARY])
96
97# Checks for programs.
98AC_PROG_LEX
99AC_PROG_YACC
100AC_PROG_RANLIB
101AC_PROG_GNU_M4
102AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])
103AC_DEFINE_UNQUOTED([M4_GNU_OPTION], ["$M4_GNU"], [Define to "-g" if GNU M4
104supports -g, otherwise to "".])
105AM_MISSING_PROG([HELP2MAN], [help2man])
106AC_PATH_PROG([XSLTPROC], [xsltproc])
107AC_SUBST([XSLTPROC])
108
109# Checks for header files.
110AC_CHECK_HEADERS_ONCE([locale.h])
111
112# Checks for compiler characteristics.
113AC_C_INLINE
114
115# Gnulib (later checks). Putting them here rather than right after
116# gl_EARLY avoids some redundant checks.
117gl_INIT
118
119# Checks for library functions.
120AC_CHECK_FUNCS_ONCE([setlocale])
121AM_WITH_DMALLOC
122BISON_PREREQ_SUBPIPE
123BISON_PREREQ_TIMEVAR
124
125# Gettext.
126# We use gnulib, which is only guaranteed to work properly with the
127# latest Gettext.
128AM_GNU_GETTEXT([external], [need-ngettext])
129AM_GNU_GETTEXT_VERSION([0.17])
130BISON_I18N
131
132# Internationalized parsers.
133AC_CONFIG_FILES([runtime-po/Makefile.in])
134# Autoconf macros for packages using internationalized parsers.
135aclocaldir='${datadir}/aclocal'
136AC_SUBST([aclocaldir])
137
138# Create the benchmark script.
139AC_CONFIG_FILES([etc/bench.pl], [chmod +x etc/bench.pl])
140
141# Initialize the test suite.
142AC_CONFIG_TESTDIR(tests)
143AC_CONFIG_FILES([tests/Makefile tests/atlocal])
144AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison])
145AC_CHECK_PROGS([VALGRIND], [valgrind])
146AC_PROG_CXX
147BISON_TEST_FOR_WORKING_CXX_COMPILER
148AM_MISSING_PROG([AUTOM4TE], [autom4te])
149# Needed by tests/atlocal.in.
150AC_SUBST([GCC])
151AC_SUBST([O0CFLAGS], [`echo $CFLAGS | sed 's/-O[[0-9]] *//'`])
152AC_SUBST([O0CXXFLAGS], [`echo $CXXFLAGS | sed 's/-O[[0-9]] *//'`])
153
154gt_JAVACOMP([1.3])
155gt_JAVAEXEC
156
157AC_CONFIG_FILES([Makefile
158 build-aux/Makefile
159 po/Makefile.in
160 data/Makefile
161 etc/Makefile
162 examples/Makefile
163 examples/calc++/Makefile
164 lib/Makefile src/Makefile
165 doc/Makefile
166 doc/yacc.1])
167AC_OUTPUT