| 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. |
| 20 | AC_PREREQ(2.61) |
| 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 $enable_yacc in |
| 87 | yes) |
| 88 | YACC_SCRIPT=yacc |
| 89 | YACC_LIBRARY=liby.a;; |
| 90 | *) |
| 91 | YACC_SCRIPT= |
| 92 | YACC_LIBRARY=;; |
| 93 | esac |
| 94 | AC_SUBST([YACC_SCRIPT]) |
| 95 | AC_SUBST([YACC_LIBRARY]) |
| 96 | |
| 97 | # Checks for programs. |
| 98 | AC_PROG_LEX |
| 99 | AC_PROG_YACC |
| 100 | AC_PROG_RANLIB |
| 101 | AC_PROG_GNU_M4 |
| 102 | AC_DEFINE_UNQUOTED([M4], ["$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/Makefile 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]) |
| 155 | gt_JAVAEXEC |
| 156 | |
| 157 | AC_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]) |
| 167 | AC_OUTPUT |