# Configure template for GNU Bison. -*-Autoconf-*-
#
-# Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+# Copyright (C) 2001-2012 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,
# 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., 51 Franklin Street, Fifth Floor, Boston, MA
-# 02110-1301 USA
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
-# This file uses AC_CONFIG_MACRO_DIR, so we need Autoconf 2.58 or better.
-# But Autoconf 2.58 has a bug in the way that it generates tests: it
-# puts the wrong absolute path names in the tests. So we need at
-# least Autoconf 2.59.
-AC_PREREQ(2.59)
+# 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. We need Autoconf 2.68 or
+# better to avoid a typo in the `configure --help' entry for the YACC
+# environment variable.
+AC_PREREQ([2.68])
+m4_pattern_forbid([^gl_[A-Z]])
+
+AC_INIT([GNU Bison],
+ m4_esyscmd([build-aux/git-version-gen .tarball-version]),
+ [bug-bison@gnu.org])
+AC_SUBST([PACKAGE_COPYRIGHT_YEAR], [2012])
+AC_DEFINE_UNQUOTED([PACKAGE_COPYRIGHT_YEAR], [$PACKAGE_COPYRIGHT_YEAR],
+ [The copyright year for this package])
-AC_INIT([GNU Bison], [2.1a], [bug-bison@gnu.org])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([m4])
-# We don't have a file m4/Makefile.am, so we need Automake 1.8 or later.
-AM_INIT_AUTOMAKE([1.8 check-news readme-alpha dist-bzip2])
-AC_CONFIG_HEADERS([config.h:config.hin])
-
-gl_USE_SYSTEM_EXTENSIONS
+# Automake 1.10.3 and 1.11.1 fix a security flaw discussed here:
+#
+# http://thread.gmane.org/gmane.comp.sysutils.autotools.announce/131
+#
+# To avoid 1.11, we make 1.11.1 the minimum version.
+#
+# We want gnits strictness only when rolling a stable release. For
+# release candidates, we use version strings like 2.4.3_rc1, but gnits
+# doesn't like that, so we let the underscore disable gnits. Between
+# releases, we want to be able run make dist without being required to
+# add a bogus NEWS entry. In that case, the version string
+# automatically contains a dash, which we also let disable gnits.
+AM_INIT_AUTOMAKE([1.11.1 dist-xz]
+ m4_bmatch(m4_defn([AC_PACKAGE_VERSION]), [[-_]],
+ [gnu], [gnits]))
+AC_CONFIG_HEADERS([lib/config.h:lib/config.hin])
# Checks for the compiler.
-AC_PROG_CC
-AM_PROG_CC_STDC
+AC_PROG_CC_STDC
+
+# Gnulib (early checks).
+gl_EARLY
+
AC_ARG_ENABLE(gcc-warnings,
[ --enable-gcc-warnings turn on lots of GCC warnings (not recommended)],
[case "${enableval}" in
esac],
[enableval=no])
if test "${enableval}" = yes; then
- BISON_WARNING(-Werror)
- AC_SUBST([WERROR_CFLAGS], [$WARNING_CFLAGS])
- WARNING_CFLAGS=
- BISON_WARNING(-W)
- BISON_WARNING(-Wall)
- BISON_WARNING(-Wcast-align)
- BISON_WARNING(-Wcast-qual)
- BISON_WARNING(-Wformat)
- BISON_WARNING(-Wwrite-strings)
- AC_SUBST([WARNING_CXXFLAGS], [$WARNING_CFLAGS])
+ gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
+ AC_SUBST([WERROR_CFLAGS])
+ gl_WARN_ADD([-Wall])
+ gl_WARN_ADD([-Wextra -Wno-sign-compare])
+ gl_WARN_ADD([-Wcast-align])
+ gl_WARN_ADD([-Wcast-qual])
+ gl_WARN_ADD([-Wformat])
+ gl_WARN_ADD([-Wpointer-arith])
+ gl_WARN_ADD([-Wwrite-strings])
+ AC_SUBST([WARN_CXXFLAGS], [$WARN_CFLAGS])
# The following warnings are not suitable for C++.
- BISON_WARNING(-Wbad-function-cast)
- BISON_WARNING(-Wmissing-declarations)
- BISON_WARNING(-Wmissing-prototypes)
- BISON_WARNING(-Wnested-externs)
- BISON_WARNING(-Wshadow)
- BISON_WARNING(-Wstrict-prototypes)
- AC_DEFINE([lint], 1, [Define to 1 if the compiler is checking for lint.])
+ 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])
+ gl_WARN_ADD([-pedantic], [WARN_CFLAGS_TEST])
+ AC_SUBST([WARN_CXXFLAGS_TEST], ["$WARN_CXXFLAGS $WARN_CFLAGS_TEST"])
+ AC_SUBST([WARN_CFLAGS_TEST], ["$WARN_CFLAGS $WARN_CFLAGS_TEST"])
fi
+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 $enable_yacc in
yes)
- YACC_SCRIPT=yacc
- YACC_LIBRARY=liby.a;;
+ YACC_SCRIPT=src/yacc
+ YACC_LIBRARY=lib/liby.a;;
*)
YACC_SCRIPT=
YACC_LIBRARY=;;
AC_PROG_LEX
AC_PROG_YACC
AC_PROG_RANLIB
-BISON_PROG_GNU_M4
-if test x"$ac_cv_prog_gnu_m4" != xyes; then
- AC_MSG_ERROR([GNU M4 1.4 is required])
-fi
+AC_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_CHECK_HEADERS_ONCE([locale.h])
-AM_STDBOOL_H
# Checks for compiler characteristics.
AC_C_INLINE
-# Checks for types.
-AC_CHECK_TYPES([uintptr_t])
+# Gnulib (later checks). Putting them here rather than right after
+# gl_EARLY avoids some redundant checks.
+gl_INIT
# Checks for library functions.
AC_CHECK_FUNCS_ONCE([setlocale])
BISON_PREREQ_SUBPIPE
BISON_PREREQ_TIMEVAR
-# gnulib and gettext.
-GNULIB_AUTOCONF_SNIPPET
-# We use po/Makevars, so we need at least gettext 0.12.
-AM_GNU_GETTEXT_VERSION([0.12])
+# Gettext.
+# We use gnulib, which is only guaranteed to work properly with the
+# latest Gettext.
+AM_GNU_GETTEXT([external], [need-ngettext])
+AM_GNU_GETTEXT_VERSION([0.18])
BISON_I18N
# 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/Makefile tests/atlocal])
+AC_CONFIG_FILES([tests/atlocal])
AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison])
AC_CHECK_PROGS([VALGRIND], [valgrind])
AC_PROG_CXX
AM_MISSING_PROG([AUTOM4TE], [autom4te])
# Needed by tests/atlocal.in.
AC_SUBST([GCC])
-O0CFLAGS=`echo $CFLAGS | sed 's/-O[[0-9]] *//'`
-AC_SUBST([O0CFLAGS])
-O0CXXFLAGS=`echo $CXXFLAGS | sed 's/-O[[0-9]] *//'`
-AC_SUBST([O0CXXFLAGS])
+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 \
+ LIBUNISTRING_UNITYPES_H LIBUNISTRING_UNIWIDTH_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
- build-aux/Makefile
po/Makefile.in
- data/Makefile
- examples/Makefile
- examples/calc++/Makefile
- lib/Makefile src/Makefile doc/Makefile])
+ examples/calc++/Makefile
+ doc/yacc.1])
AC_OUTPUT
projects / bison.git / blobdiff