X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/43674285cc424555f6a8c192a6338b918e6def15..7d424de14c0385012d328642bec6874c8e6cef17:/configure.ac?ds=inline diff --git a/configure.ac b/configure.ac index 60415917..caa4e0c9 100644 --- a/configure.ac +++ b/configure.ac @@ -1,10 +1,11 @@ # Configure template for GNU Bison. -*-Autoconf-*- # -# Copyright (C) 2001, 2002 Free Software Foundation, Inc. +# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, +# 2010 Free Software Foundation, Inc. # -# This program is free software; you can redistribute it and/or modify +# This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or +# the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, @@ -13,40 +14,41 @@ # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA -# 02111-1307 USA +# along with this program. If not, see . -# We need a recent Autoconf to run a recent Autotest. -AC_PREREQ(2.53) +# In order for some versions of Sun Studio to compile our C++ test cases +# correctly, we need Autoconf 2.64 or better to handle the restrict +# keyword in at least string.h from gnulib. +AC_PREREQ(2.64) -AC_INIT([GNU Bison], [1.49c], [bug-bison@gnu.org]) -AC_CONFIG_AUX_DIR(config) +AC_INIT([GNU Bison], + m4_esyscmd([build-aux/git-version-gen .tarball-version]), + [bug-bison@gnu.org]) +AC_DEFINE([PACKAGE_COPYRIGHT_YEAR], [2010], + [The copyright year for this package]) +AC_SUBST([PACKAGE_COPYRIGHT_YEAR], [2010]) -AM_INIT_AUTOMAKE -AM_CONFIG_HEADER(config.h:config.hin) +AC_CONFIG_AUX_DIR([build-aux]) +AC_CONFIG_MACRO_DIR([m4]) -# Initialize the test suite. -AC_CONFIG_TESTDIR(tests) -AC_CONFIG_FILES([tests/Makefile tests/atlocal]) -AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison]) -# Needed by tests/atlocal.in. -AC_SUBST([GCC]) +# Automake 1.10.3 and 1.11.1 fix a security flaw discussed here: +# +# http://thread.gmane.org/gmane.comp.sysutils.autotools.announce/131 +# +# To avoid 1.11, we make 1.11.1 the minimum version. +# +# We want gnits strictness only when rolling a formal release so that we can, +# for example, run make dist at other times without being required to add a +# bogus NEWS entry. +AM_INIT_AUTOMAKE([1.11.1 dist-bzip2] + m4_bmatch(m4_defn([AC_PACKAGE_VERSION]), [-], [gnu], [gnits])) +AC_CONFIG_HEADERS([lib/config.h:lib/config.hin]) -# Checks for programs. -AC_PROG_CC -AM_PROG_LEX -AC_PROG_YACC -AC_MINIX -AC_ISC_POSIX -AM_PROG_CC_STDC -AC_PROG_RANLIB -AM_MISSING_PROG([AUTOM4TE], [autom4te]) -BISON_PROG_GNU_M4 -if test x"$ac_cv_prog_gnu_m4" != xyes; then - AC_MSG_ERROR([GNU M4 1.4 is required]) -fi -AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.]) +# Checks for the compiler. +AC_PROG_CC_STDC + +# Gnulib (early checks). +gl_EARLY AC_ARG_ENABLE(gcc-warnings, [ --enable-gcc-warnings turn on lots of GCC warnings (not recommended)], @@ -54,67 +56,121 @@ AC_ARG_ENABLE(gcc-warnings, yes|no) ;; *) AC_MSG_ERROR([bad value ${enableval} for gcc-warnings option]) ;; esac], - [enableval=no]) + [enableval=no]) if test "${enableval}" = yes; then - BISON_WARNING(-Werror) - AC_SUBST([WERROR_CFLAGS], [$WARNING_CFLAGS]) - WARNING_CFLAGS= - BISON_WARNING(-Wall) - BISON_WARNING(-W) - BISON_WARNING(-Wbad-function-cast) - BISON_WARNING(-Wcast-align) - BISON_WARNING(-Wcast-qual) - BISON_WARNING(-Wformat) - BISON_WARNING(-Wmissing-declarations) - BISON_WARNING(-Wmissing-prototypes) - BISON_WARNING(-Wnested-externs) - BISON_WARNING(-Wshadow) - BISON_WARNING(-Wstrict-prototypes) - BISON_WARNING(-Wwrite-strings) + gl_WARN_ADD([-Werror], [WERROR_CFLAGS]) + AC_SUBST([WERROR_CFLAGS]) + gl_WARN_ADD([-Wall]) + gl_WARN_ADD([-Wextra -Wno-sign-compare]) + gl_WARN_ADD([-Wcast-align]) + gl_WARN_ADD([-Wcast-qual]) + gl_WARN_ADD([-Wformat]) + gl_WARN_ADD([-Wpointer-arith]) + gl_WARN_ADD([-Wwrite-strings]) + AC_SUBST([WARN_CXXFLAGS], [$WARN_CFLAGS]) + # The following warnings are not suitable for C++. + gl_WARN_ADD([-Wbad-function-cast]) + gl_WARN_ADD([-Wmissing-declarations]) + gl_WARN_ADD([-Wmissing-prototypes]) + gl_WARN_ADD([-Wshadow]) + gl_WARN_ADD([-Wstrict-prototypes]) + AC_SUBST([WARN_CFLAGS]) + # Warnings for the test suite only. + gl_WARN_ADD([-Wundef], [WARN_CFLAGS_TEST]) + WARN_CXXFLAGS_TEST="$WARN_CXXFLAGS $WARN_CFLAGS_TEST" + WARN_CFLAGS_TEST="$WARN_CFLAGS $WARN_CFLAGS_TEST" + AC_SUBST([WARN_CXXFLAGS_TEST]) + AC_SUBST([WARN_CFLAGS_TEST]) + AC_DEFINE([lint], 1, [Define to 1 if the compiler is checking for lint.]) fi -# Checks for libraries. -AC_DEFINE([_GNU_SOURCE],1,[Define to 1 for GNU C library extensions.]) +BISON_TEST_FOR_WORKING_C_COMPILER + +AC_ARG_ENABLE([yacc], + [AC_HELP_STRING([--disable-yacc], + [do not build a yacc command or an -ly library])], + , [enable_yacc=yes]) +case $enable_yacc in +yes) + YACC_SCRIPT=src/yacc + YACC_LIBRARY=lib/liby.a;; +*) + YACC_SCRIPT= + YACC_LIBRARY=;; +esac +AC_SUBST([YACC_SCRIPT]) +AC_SUBST([YACC_LIBRARY]) + +# Checks for programs. +AC_PROG_LEX +AC_PROG_YACC +AC_PROG_RANLIB +AC_PROG_GNU_M4 +AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.]) +AC_DEFINE_UNQUOTED([M4_GNU_OPTION], ["$M4_GNU"], [Define to "-g" if GNU M4 +supports -g, otherwise to "".]) +AM_MISSING_PROG([HELP2MAN], [help2man]) +AC_PATH_PROG([XSLTPROC], [xsltproc]) +AC_SUBST([XSLTPROC]) # Checks for header files. -AC_HEADER_STDC -AC_CHECK_HEADERS([ctype.h locale.h memory.h stdlib.h string.h unistd.h]) +AC_CHECK_HEADERS_ONCE([locale.h]) # Checks for compiler characteristics. -AC_C_CONST AC_C_INLINE -AM_C_PROTOTYPES + +# Gnulib (later checks). Putting them here rather than right after +# gl_EARLY avoids some redundant checks. +gl_INIT # Checks for library functions. -AC_FUNC_ALLOCA -AC_FUNC_OBSTACK -AC_FUNC_ERROR_AT_LINE -AC_FUNC_STRNLEN -UTILS_FUNC_MKSTEMP -AC_CHECK_FUNCS(setlocale) -AC_CHECK_DECLS([getenv, getopt, free, stpcpy, strchr, strspn, strnlen, - malloc, memchr, memrchr]) -AC_REPLACE_FUNCS(stpcpy strchr strspn memchr memrchr) -jm_FUNC_MALLOC -jm_FUNC_REALLOC -jm_PREREQ_QUOTEARG -jm_PREREQ_ERROR -jm_PREREQ_TEMPNAME +AC_CHECK_FUNCS_ONCE([setlocale]) AM_WITH_DMALLOC +BISON_PREREQ_SUBPIPE BISON_PREREQ_TIMEVAR # Gettext. -AM_GNU_GETTEXT(external, need-ngettext) -AM_GNU_GETTEXT_VERSION(0.11.5) - -# This is necessary so that .o files in LIBOBJS are also built via -# the ANSI2KNR-filtering rules. -LIB@&t@OBJS=`echo $LIB@&t@OBJS|sed 's/\.o /\$U.o /g;s/\.o$/\$U.o/'` -AC_SUBST(LIB@&t@OBJS) - -AC_OUTPUT([Makefile - config/Makefile - po/Makefile.in - data/Makefile - lib/Makefile src/Makefile doc/Makefile - m4/Makefile]) +# We use gnulib, which is only guaranteed to work properly with the +# latest Gettext. +AM_GNU_GETTEXT([external], [need-ngettext]) +AM_GNU_GETTEXT_VERSION([0.17]) +BISON_I18N + +# Internationalized parsers. +AC_CONFIG_FILES([runtime-po/Makefile.in]) +# Autoconf macros for packages using internationalized parsers. +aclocaldir='${datadir}/aclocal' +AC_SUBST([aclocaldir]) + +# Create the benchmark script. +AC_CONFIG_FILES([etc/bench.pl], [chmod +x etc/bench.pl]) + +# Initialize the test suite. +AC_CONFIG_TESTDIR(tests) +AC_CONFIG_FILES([tests/atlocal]) +AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison]) +AC_CHECK_PROGS([VALGRIND], [valgrind]) +AC_PROG_CXX +BISON_TEST_FOR_WORKING_CXX_COMPILER +AM_MISSING_PROG([AUTOM4TE], [autom4te]) +# Needed by tests/atlocal.in. +AC_SUBST([GCC]) +AC_SUBST([O0CFLAGS], [`echo $CFLAGS | sed 's/-O[[0-9]] *//'`]) +AC_SUBST([O0CXXFLAGS], [`echo $CXXFLAGS | sed 's/-O[[0-9]] *//'`]) + +gt_JAVACOMP([1.3], [1.4]) +gt_JAVAEXEC + +# We use gnulib, but from lib/local.mk instead of lib/Makefile.am. +# So prefix paths with lib/. See also etc/prefix-gnulib-mk. +gl_LIBOBJS=`echo "$gl_LIBOBJS" | sed -e 's, , lib/,g'` +for ac_var in ALLOCA_H ERRNO_H FCNTL_H GETOPT_H INTTYPES_H \ + STDBOOL_H STDINT_H SYS_WAIT_H WCHAR_H WCTYPE_H +do + eval "test 'x$ac_var' = x || $ac_var=lib/\$$ac_var" +done +AC_CONFIG_FILES([Makefile + po/Makefile.in + examples/calc++/Makefile + doc/yacc.1]) +AC_OUTPUT