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342b8b6e AD |
1 | # Configure template for GNU Bison. -*-Autoconf-*- |
2 | # | |
9b9642fc | 3 | # Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. |
2c8a9dfa | 4 | # |
342b8b6e AD |
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 | |
0fb669f9 PE |
17 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
18 | # 02110-1301 USA | |
342b8b6e | 19 | |
fd418816 PE |
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. | |
24 | AC_PREREQ(2.59) | |
342b8b6e | 25 | |
c7fb0b90 | 26 | AC_INIT([GNU Bison], [2.1a], [bug-bison@gnu.org]) |
c8775f93 | 27 | AC_CONFIG_AUX_DIR([build-aux]) |
1f65350a | 28 | AC_CONFIG_MACRO_DIR([m4]) |
342b8b6e | 29 | |
fd418816 PE |
30 | # We don't have a file m4/Makefile.am, so we need Automake 1.8 or later. |
31 | AM_INIT_AUTOMAKE([1.8 check-news readme-alpha dist-bzip2]) | |
927f7817 | 32 | AC_CONFIG_HEADERS([config.h:config.hin]) |
f2939cd6 | 33 | |
1f65350a PE |
34 | gl_USE_SYSTEM_EXTENSIONS |
35 | ||
f377f69f | 36 | # Checks for the compiler. |
7c4399ed | 37 | AC_PROG_CC |
d2729d44 | 38 | AM_PROG_CC_STDC |
630f5212 JT |
39 | AC_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 ${enableval} for gcc-warnings option]) ;; | |
1e24cc5b AD |
44 | esac], |
45 | [enableval=no]) | |
630f5212 | 46 | if test "${enableval}" = yes; then |
cae60122 AD |
47 | BISON_WARNING(-Werror) |
48 | AC_SUBST([WERROR_CFLAGS], [$WARNING_CFLAGS]) | |
49 | WARNING_CFLAGS= | |
630f5212 | 50 | BISON_WARNING(-W) |
e476c87d | 51 | BISON_WARNING(-Wall) |
630f5212 JT |
52 | BISON_WARNING(-Wcast-align) |
53 | BISON_WARNING(-Wcast-qual) | |
1e3e4bc1 | 54 | BISON_WARNING(-Wformat) |
630f5212 | 55 | BISON_WARNING(-Wwrite-strings) |
504f20f7 PE |
56 | AC_SUBST([WARNING_CXXFLAGS], [$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) |
e476c87d PE |
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.]) |
630f5212 JT |
65 | fi |
66 | ||
4beda9ac PE |
67 | AC_ARG_ENABLE([yacc], |
68 | [AC_HELP_STRING([--disable-yacc], | |
69 | [do not build a yacc command or an -ly library])], | |
70 | , [enable_yacc=yes]) | |
71 | case $enable_yacc in | |
72 | yes) | |
73 | YACC_SCRIPT=yacc | |
74 | YACC_LIBRARY=liby.a;; | |
75 | *) | |
76 | YACC_SCRIPT= | |
77 | YACC_LIBRARY=;; | |
78 | esac | |
79 | AC_SUBST([YACC_SCRIPT]) | |
80 | AC_SUBST([YACC_LIBRARY]) | |
81 | ||
f377f69f | 82 | # Checks for programs. |
41cce2f6 | 83 | AC_PROG_LEX |
f377f69f AD |
84 | AC_PROG_YACC |
85 | AC_PROG_RANLIB | |
86 | BISON_PROG_GNU_M4 | |
87 | if test x"$ac_cv_prog_gnu_m4" != xyes; then | |
88 | AC_MSG_ERROR([GNU M4 1.4 is required]) | |
89 | fi | |
90 | AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.]) | |
f2939cd6 | 91 | |
e79137ac | 92 | # Checks for header files. |
1f65350a | 93 | AC_CHECK_HEADERS_ONCE([locale.h]) |
e2527c97 | 94 | AM_STDBOOL_H |
f2939cd6 | 95 | |
e79137ac | 96 | # Checks for compiler characteristics. |
dd877b0c | 97 | AC_C_INLINE |
f2939cd6 | 98 | |
eb0ca72d PE |
99 | # Checks for types. |
100 | AC_CHECK_TYPES([uintptr_t]) | |
101 | ||
e79137ac | 102 | # Checks for library functions. |
1f65350a | 103 | AC_CHECK_FUNCS_ONCE([setlocale]) |
342b8b6e | 104 | AM_WITH_DMALLOC |
2593afab | 105 | BISON_PREREQ_SUBPIPE |
1509d42f | 106 | BISON_PREREQ_TIMEVAR |
f2939cd6 | 107 | |
1f65350a PE |
108 | # gnulib and gettext. |
109 | GNULIB_AUTOCONF_SNIPPET | |
f7ab6a50 | 110 | # We use po/Makevars, so we need at least gettext 0.12. |
fd418816 | 111 | AM_GNU_GETTEXT_VERSION([0.12]) |
f7ab6a50 PE |
112 | BISON_I18N |
113 | ||
114 | # Internationalized parsers. | |
115 | AC_CONFIG_FILES([runtime-po/Makefile.in]) | |
116 | # Autoconf macros for packages using internationalized parsers. | |
117 | aclocaldir='${datadir}/aclocal' | |
118 | AC_SUBST([aclocaldir]) | |
bbcb769c | 119 | |
f377f69f AD |
120 | # Initialize the test suite. |
121 | AC_CONFIG_TESTDIR(tests) | |
122 | AC_CONFIG_FILES([tests/Makefile tests/atlocal]) | |
123 | AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison]) | |
124 | AC_CHECK_PROGS([VALGRIND], [valgrind]) | |
504f20f7 | 125 | AC_PROG_CXX |
209ea708 | 126 | BISON_TEST_FOR_WORKING_CXX_COMPILER |
f377f69f AD |
127 | AM_MISSING_PROG([AUTOM4TE], [autom4te]) |
128 | # Needed by tests/atlocal.in. | |
129 | AC_SUBST([GCC]) | |
9b9642fc | 130 | O0CFLAGS=`echo $CFLAGS | sed 's/-O[[0-9]] *//'` |
f377f69f | 131 | AC_SUBST([O0CFLAGS]) |
9b9642fc | 132 | O0CXXFLAGS=`echo $CXXFLAGS | sed 's/-O[[0-9]] *//'` |
8ed3234a | 133 | AC_SUBST([O0CXXFLAGS]) |
f377f69f | 134 | |
927f7817 | 135 | AC_CONFIG_FILES([Makefile |
24cc23d9 | 136 | build-aux/Makefile |
927f7817 AD |
137 | po/Makefile.in |
138 | data/Makefile | |
828c373b AD |
139 | examples/Makefile |
140 | examples/calc++/Makefile | |
1f65350a | 141 | lib/Makefile src/Makefile doc/Makefile]) |
927f7817 | 142 | AC_OUTPUT |