# Configure template for GNU Bison. -*-Autoconf-*-
#
-# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software
-# Foundation, Inc.
+# Copyright (C) 2001-2011 Free Software Foundation, Inc.
#
# 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
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
-# We have strange test case titles, so we need Autoconf 2.61 or better.
-AC_PREREQ(2.61)
+# 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)
AC_INIT([GNU Bison],
m4_esyscmd([build-aux/git-version-gen .tarball-version]),
[bug-bison@gnu.org])
-AC_DEFINE([PACKAGE_COPYRIGHT_YEAR], [2008],
+AC_DEFINE([PACKAGE_COPYRIGHT_YEAR], [2011],
[The copyright year for this package])
-AC_SUBST([PACKAGE_COPYRIGHT_YEAR], [2008])
+AC_SUBST([PACKAGE_COPYRIGHT_YEAR], [2011])
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.
-# 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([1.8 dist-bzip2]
- m4_bmatch(m4_defn([AC_PACKAGE_VERSION]), [-], [gnu], [gnits]))
+# 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.
esac],
[enableval=no])
if test "${enableval}" = yes; then
- gl_WARNING_CFLAGS([-Werror])
- AC_SUBST([WERROR_CFLAGS], [$WARNING_CFLAGS])
- WARNING_CFLAGS=
- gl_WARNING_CFLAGS([-Wall])
- gl_WARNING_CFLAGS([-Wextra -Wno-sign-compare])
- gl_WARNING_CFLAGS([-Wcast-align])
- gl_WARNING_CFLAGS([-Wcast-qual])
- gl_WARNING_CFLAGS([-Wformat])
- gl_WARNING_CFLAGS([-Wpointer-arith])
- gl_WARNING_CFLAGS([-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++.
- gl_WARNING_CFLAGS([-Wbad-function-cast])
- gl_WARNING_CFLAGS([-Wmissing-declarations])
- gl_WARNING_CFLAGS([-Wmissing-prototypes])
- gl_WARNING_CFLAGS([-Wshadow])
- gl_WARNING_CFLAGS([-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])
+ WARN_CXXFLAGS_TEST="$WARN_CXXFLAGS $WARN_CFLAGS_TEST"
+ WARN_CFLAGS_TEST="$WARN_CFLAGS $WARN_CFLAGS_TEST"
+ AC_SUBST([WARN_CXXFLAGS_TEST])
+ AC_SUBST([WARN_CFLAGS_TEST])
fi
BISON_TEST_FOR_WORKING_C_COMPILER
AC_PROG_LEX
AC_PROG_YACC
AC_PROG_RANLIB
-BISON_PROG_GNU_M4
-if test x"$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])
BISON_PREREQ_TIMEVAR
# Gettext.
-# We've never tested with gettext versions before 0.15, so play it safe.
-AM_GNU_GETTEXT([external], [need-formatstring-macros])
-AM_GNU_GETTEXT_VERSION([0.15])
+# 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.
projects / bison.git / blobdiff