]> git.saurik.com Git - bison.git/blob - configure.ac
Add gcc's -Wundef to test suite and fix another warning from it.
[bison.git] / configure.ac
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 # testsuite -C appears in 2.62.
20 AC_PREREQ(2.62)
21
22 AC_INIT([GNU Bison],
23 m4_esyscmd([build-aux/git-version-gen .tarball-version]),
24 [bug-bison@gnu.org])
25 AC_DEFINE([PACKAGE_COPYRIGHT_YEAR], [2008],
26 [The copyright year for this package])
27 AC_SUBST([PACKAGE_COPYRIGHT_YEAR], [2008])
28
29 AC_CONFIG_AUX_DIR([build-aux])
30 AC_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.
36 AM_INIT_AUTOMAKE([1.8 dist-bzip2]
37 m4_bmatch(m4_defn([AC_PACKAGE_VERSION]), [-], [gnu], [gnits]))
38 AC_CONFIG_HEADERS([lib/config.h:lib/config.hin])
39
40 # Checks for the compiler.
41 AC_PROG_CC_STDC
42
43 # Gnulib (early checks).
44 gl_EARLY
45
46 AC_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 ${enableval} for gcc-warnings option]) ;;
51 esac],
52 [enableval=no])
53 if test "${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.])
78 fi
79
80 BISON_TEST_FOR_WORKING_C_COMPILER
81
82 AC_ARG_ENABLE([yacc],
83 [AC_HELP_STRING([--disable-yacc],
84 [do not build a yacc command or an -ly library])],
85 , [enable_yacc=yes])
86 case $enable_yacc in
87 yes)
88 YACC_SCRIPT=src/yacc
89 YACC_LIBRARY=lib/liby.a;;
90 *)
91 YACC_SCRIPT=
92 YACC_LIBRARY=;;
93 esac
94 AC_SUBST([YACC_SCRIPT])
95 AC_SUBST([YACC_LIBRARY])
96
97 # Checks for programs.
98 AC_PROG_LEX
99 AC_PROG_YACC
100 AC_PROG_RANLIB
101 AC_PROG_GNU_M4
102 AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])
103 AC_DEFINE_UNQUOTED([M4_GNU_OPTION], ["$M4_GNU"], [Define to "-g" if GNU M4
104 supports -g, otherwise to "".])
105 AM_MISSING_PROG([HELP2MAN], [help2man])
106 AC_PATH_PROG([XSLTPROC], [xsltproc])
107 AC_SUBST([XSLTPROC])
108
109 # Checks for header files.
110 AC_CHECK_HEADERS_ONCE([locale.h])
111
112 # Checks for compiler characteristics.
113 AC_C_INLINE
114
115 # Gnulib (later checks). Putting them here rather than right after
116 # gl_EARLY avoids some redundant checks.
117 gl_INIT
118
119 # Checks for library functions.
120 AC_CHECK_FUNCS_ONCE([setlocale])
121 AM_WITH_DMALLOC
122 BISON_PREREQ_SUBPIPE
123 BISON_PREREQ_TIMEVAR
124
125 # Gettext.
126 # We use gnulib, which is only guaranteed to work properly with the
127 # latest Gettext.
128 AM_GNU_GETTEXT([external], [need-ngettext])
129 AM_GNU_GETTEXT_VERSION([0.17])
130 BISON_I18N
131
132 # Internationalized parsers.
133 AC_CONFIG_FILES([runtime-po/Makefile.in])
134 # Autoconf macros for packages using internationalized parsers.
135 aclocaldir='${datadir}/aclocal'
136 AC_SUBST([aclocaldir])
137
138 # Create the benchmark script.
139 AC_CONFIG_FILES([etc/bench.pl], [chmod +x etc/bench.pl])
140
141 # Initialize the test suite.
142 AC_CONFIG_TESTDIR(tests)
143 AC_CONFIG_FILES([tests/atlocal])
144 AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison])
145 AC_CHECK_PROGS([VALGRIND], [valgrind])
146 AC_PROG_CXX
147 BISON_TEST_FOR_WORKING_CXX_COMPILER
148 AM_MISSING_PROG([AUTOM4TE], [autom4te])
149 # Needed by tests/atlocal.in.
150 AC_SUBST([GCC])
151 AC_SUBST([O0CFLAGS], [`echo $CFLAGS | sed 's/-O[[0-9]] *//'`])
152 AC_SUBST([O0CXXFLAGS], [`echo $CXXFLAGS | sed 's/-O[[0-9]] *//'`])
153
154 gt_JAVACOMP([1.3], [1.4])
155 gt_JAVAEXEC
156
157 # We use gnulib, but from lib/local.mk instead of lib/Makefile.am.
158 # So prefix paths with lib/. See also etc/prefix-gnulib-mk.
159 gl_LIBOBJS=`echo "$gl_LIBOBJS" | sed -e 's, , lib/,g'`
160 for ac_var in ALLOCA_H ERRNO_H FCNTL_H GETOPT_H INTTYPES_H \
161 STDBOOL_H STDINT_H SYS_WAIT_H WCHAR_H WCTYPE_H
162 do
163 eval "test 'x$ac_var' = x || $ac_var=lib/\$$ac_var"
164 done
165 AC_CONFIG_FILES([Makefile
166 po/Makefile.in
167 examples/calc++/Makefile
168 doc/yacc.1])
169 AC_OUTPUT