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34ec357927
rather than -W, so we don't get bogus warnings about sign comparisons. Add -Wpointer-arith, since that warning is useful (it reports code that does not conform to C89 and that some compilers reject). * data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c: Undo latest change, since it's no longer needed.
140 lines
4.2 KiB
Plaintext
140 lines
4.2 KiB
Plaintext
# Configure template for GNU Bison. -*-Autoconf-*-
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#
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# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 Free Software
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# Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301 USA
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# We use macros like AC_CHECK_HEADERS_ONCE, so we need Autoconf 2.60 or better.
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AC_PREREQ(2.60)
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AC_INIT([GNU Bison], [2.3+], [bug-bison@gnu.org])
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AC_CONFIG_AUX_DIR([build-aux])
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AC_CONFIG_MACRO_DIR([m4])
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# We don't have a file m4/Makefile.am, so we need Automake 1.8 or later.
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AM_INIT_AUTOMAKE([1.8 check-news readme-alpha dist-bzip2])
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AC_CONFIG_HEADERS([config.h:config.hin])
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gl_USE_SYSTEM_EXTENSIONS
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# Checks for the compiler.
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AC_PROG_CC
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AM_PROG_CC_STDC
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AC_ARG_ENABLE(gcc-warnings,
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[ --enable-gcc-warnings turn on lots of GCC warnings (not recommended)],
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[case "${enableval}" in
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yes|no) ;;
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*) AC_MSG_ERROR([bad value ${enableval} for gcc-warnings option]) ;;
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esac],
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[enableval=no])
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if test "${enableval}" = yes; then
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gl_WARNING_CFLAGS([-Werror])
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AC_SUBST([WERROR_CFLAGS], [$WARNING_CFLAGS])
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WARNING_CFLAGS=
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gl_WARNING_CFLAGS([-Wextra -Wno-sign-compare])
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gl_WARNING_CFLAGS([-Wall])
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gl_WARNING_CFLAGS([-Wcast-align])
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gl_WARNING_CFLAGS([-Wcast-qual])
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gl_WARNING_CFLAGS([-Wformat])
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gl_WARNING_CFLAGS([-Wpointer-arith])
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gl_WARNING_CFLAGS([-Wwrite-strings])
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AC_SUBST([WARNING_CXXFLAGS], [$WARNING_CFLAGS])
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# The following warnings are not suitable for C++.
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gl_WARNING_CFLAGS([-Wbad-function-cast])
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gl_WARNING_CFLAGS([-Wmissing-declarations])
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gl_WARNING_CFLAGS([-Wmissing-prototypes])
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gl_WARNING_CFLAGS([-Wshadow])
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gl_WARNING_CFLAGS([-Wstrict-prototypes])
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AC_DEFINE([lint], 1, [Define to 1 if the compiler is checking for lint.])
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fi
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BISON_TEST_FOR_WORKING_C_COMPILER
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AC_ARG_ENABLE([yacc],
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[AC_HELP_STRING([--disable-yacc],
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[do not build a yacc command or an -ly library])],
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, [enable_yacc=yes])
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case $enable_yacc in
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yes)
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YACC_SCRIPT=yacc
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YACC_LIBRARY=liby.a;;
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*)
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YACC_SCRIPT=
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YACC_LIBRARY=;;
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esac
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AC_SUBST([YACC_SCRIPT])
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AC_SUBST([YACC_LIBRARY])
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# Checks for programs.
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AC_PROG_LEX
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AC_PROG_YACC
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AC_PROG_RANLIB
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BISON_PROG_GNU_M4
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if test x"$ac_cv_prog_gnu_m4" != xyes; then
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AC_MSG_ERROR([GNU M4 1.4 is required])
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fi
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AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])
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# Checks for header files.
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AC_CHECK_HEADERS_ONCE([locale.h])
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AM_STDBOOL_H
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# Checks for compiler characteristics.
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AC_C_INLINE
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# Checks for library functions.
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AC_CHECK_FUNCS_ONCE([setlocale])
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AM_WITH_DMALLOC
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BISON_PREREQ_SUBPIPE
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BISON_PREREQ_TIMEVAR
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# gnulib and gettext.
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GNULIB_AUTOCONF_SNIPPET
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# We've never tested with gettext versions before 0.15, so play it safe.
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AM_GNU_GETTEXT_VERSION([0.15])
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BISON_I18N
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# Internationalized parsers.
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AC_CONFIG_FILES([runtime-po/Makefile.in])
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# Autoconf macros for packages using internationalized parsers.
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aclocaldir='${datadir}/aclocal'
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AC_SUBST([aclocaldir])
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# Initialize the test suite.
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AC_CONFIG_TESTDIR(tests)
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AC_CONFIG_FILES([tests/Makefile tests/atlocal])
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AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison])
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AC_CHECK_PROGS([VALGRIND], [valgrind])
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AC_PROG_CXX
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BISON_TEST_FOR_WORKING_CXX_COMPILER
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AM_MISSING_PROG([AUTOM4TE], [autom4te])
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# Needed by tests/atlocal.in.
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AC_SUBST([GCC])
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O0CFLAGS=`echo $CFLAGS | sed 's/-O[[0-9]] *//'`
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AC_SUBST([O0CFLAGS])
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O0CXXFLAGS=`echo $CXXFLAGS | sed 's/-O[[0-9]] *//'`
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AC_SUBST([O0CXXFLAGS])
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AC_CONFIG_FILES([Makefile
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build-aux/Makefile
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po/Makefile.in
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data/Makefile
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examples/Makefile
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examples/calc++/Makefile
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lib/Makefile src/Makefile doc/Makefile])
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AC_OUTPUT
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