| | 1 | # Configure template for GNU Bison. -*-Autoconf-*- |
| | 2 | # |
| | 3 | # Copyright (C) 2001, 2002, 2003, 2004, 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA |
| | 18 | # 02110-1301 USA |
| | 19 | |
| | 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) |
| | 25 | |
| | 26 | AC_INIT([GNU Bison], [2.0a], [bug-bison@gnu.org]) |
| | 27 | AC_CONFIG_AUX_DIR([config]) |
| | 28 | AC_CONFIG_MACRO_DIR([m4]) |
| | 29 | |
| | 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]) |
| | 32 | AC_CONFIG_HEADERS([config.h:config.hin]) |
| | 33 | |
| | 34 | gl_USE_SYSTEM_EXTENSIONS |
| | 35 | |
| | 36 | # Checks for the compiler. |
| | 37 | AC_PROG_CC |
| | 38 | AM_PROG_CC_STDC |
| | 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 ${enableval} for gcc-warnings option]) ;; |
| | 44 | esac], |
| | 45 | [enableval=no]) |
| | 46 | if test "${enableval}" = yes; then |
| | 47 | BISON_WARNING(-Werror) |
| | 48 | AC_SUBST([WERROR_CFLAGS], [$WARNING_CFLAGS]) |
| | 49 | WARNING_CFLAGS= |
| | 50 | BISON_WARNING(-W) |
| | 51 | BISON_WARNING(-Wall) |
| | 52 | BISON_WARNING(-Wcast-align) |
| | 53 | BISON_WARNING(-Wcast-qual) |
| | 54 | BISON_WARNING(-Wformat) |
| | 55 | BISON_WARNING(-Wwrite-strings) |
| | 56 | AC_SUBST([WARNING_CXXFLAGS], [$WARNING_CFLAGS]) |
| | 57 | # The following warnings are not suitable for C++. |
| | 58 | BISON_WARNING(-Wbad-function-cast) |
| | 59 | BISON_WARNING(-Wmissing-declarations) |
| | 60 | BISON_WARNING(-Wmissing-prototypes) |
| | 61 | BISON_WARNING(-Wnested-externs) |
| | 62 | BISON_WARNING(-Wshadow) |
| | 63 | BISON_WARNING(-Wstrict-prototypes) |
| | 64 | AC_DEFINE([lint], 1, [Define to 1 if the compiler is checking for lint.]) |
| | 65 | fi |
| | 66 | |
| | 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 $enable_yacc in |
| | 72 | yes) |
| | 73 | YACC_SCRIPT=yacc |
| | 74 | YACC_LIBRARY=liby.a;; |
| | 75 | *) |
| | 76 | YACC_SCRIPT= |
| | 77 | YACC_LIBRARY=;; |
| | 78 | esac |
| | 79 | AC_SUBST([YACC_SCRIPT]) |
| | 80 | AC_SUBST([YACC_LIBRARY]) |
| | 81 | |
| | 82 | # Checks for programs. |
| | 83 | AC_PROG_LEX |
| | 84 | AC_PROG_YACC |
| | 85 | AC_PROG_RANLIB |
| | 86 | BISON_PROG_GNU_M4 |
| | 87 | if test x"$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.]) |
| | 91 | |
| | 92 | # Checks for header files. |
| | 93 | AC_CHECK_HEADERS_ONCE([locale.h]) |
| | 94 | AM_STDBOOL_H |
| | 95 | |
| | 96 | # Checks for compiler characteristics. |
| | 97 | AC_C_INLINE |
| | 98 | |
| | 99 | # Checks for types. |
| | 100 | AC_CHECK_TYPES([uintptr_t]) |
| | 101 | |
| | 102 | # Checks for library functions. |
| | 103 | AC_CHECK_FUNCS_ONCE([setlocale]) |
| | 104 | AM_WITH_DMALLOC |
| | 105 | BISON_PREREQ_SUBPIPE |
| | 106 | BISON_PREREQ_TIMEVAR |
| | 107 | |
| | 108 | # gnulib and gettext. |
| | 109 | GNULIB_AUTOCONF_SNIPPET |
| | 110 | # We use po/Makevars.template, so we need at least gettext 0.12. |
| | 111 | AM_GNU_GETTEXT_VERSION([0.12]) |
| | 112 | |
| | 113 | # Initialize the test suite. |
| | 114 | AC_CONFIG_TESTDIR(tests) |
| | 115 | AC_CONFIG_FILES([tests/Makefile tests/atlocal]) |
| | 116 | AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison]) |
| | 117 | AC_CHECK_PROGS([VALGRIND], [valgrind]) |
| | 118 | AC_PROG_CXX |
| | 119 | BISON_TEST_FOR_WORKING_CXX_COMPILER |
| | 120 | AM_MISSING_PROG([AUTOM4TE], [autom4te]) |
| | 121 | # Needed by tests/atlocal.in. |
| | 122 | AC_SUBST([GCC]) |
| | 123 | O0CFLAGS=`echo $CFLAGS | sed 's/-O[[0-9]] *//'` |
| | 124 | AC_SUBST([O0CFLAGS]) |
| | 125 | O0CXXFLAGS=`echo $CXXFLAGS | sed 's/-O[[0-9]] *//'` |
| | 126 | AC_SUBST([O0CXXFLAGS]) |
| | 127 | |
| | 128 | AC_CONFIG_FILES([Makefile |
| | 129 | config/Makefile |
| | 130 | po/Makefile.in |
| | 131 | data/Makefile |
| | 132 | lib/Makefile src/Makefile doc/Makefile]) |
| | 133 | AC_OUTPUT |
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