# Configure template for GNU Bison. -*-Autoconf-*-
#
-# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
-# Free Software Foundation, Inc.
+# Copyright (C) 2001-2012 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/>.
-# testsuite -C appears in 2.62.
-AC_PREREQ(2.62)
+# 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_DEFINE([PACKAGE_COPYRIGHT_YEAR], [2008],
- [The copyright year for this package])
-AC_SUBST([PACKAGE_COPYRIGHT_YEAR], [2008])
+AC_SUBST([PACKAGE_COPYRIGHT_YEAR], [2012])
+AC_DEFINE_UNQUOTED([PACKAGE_COPYRIGHT_YEAR], [$PACKAGE_COPYRIGHT_YEAR],
+ [The copyright year for this package])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([m4])
-# We don't have a file m4/Makefile.am, so we need Automake 1.8 or later.
-# We want gnits strictness only when rolling a formal release so that we can,
-# for example, run make dist at other times without being required to add a
-# bogus NEWS entry.
-AM_INIT_AUTOMAKE([1.8 dist-bzip2]
- m4_bmatch(m4_defn([AC_PACKAGE_VERSION]), [-], [gnu], [gnits]))
+# Automake 1.10.3 and 1.11.1 fix a security flaw discussed here:
+#
+# http://thread.gmane.org/gmane.comp.sysutils.autotools.announce/131
+#
+# To avoid 1.11, we make 1.11.1 the minimum version.
+#
+# We want gnits strictness only when rolling a stable release. For
+# release candidates, we use version strings like 2.4.3_rc1, but gnits
+# doesn't like that, so we let the underscore disable gnits. Between
+# releases, we want to be able run make dist without being required to
+# add a bogus NEWS entry. In that case, the version string
+# automatically contains a dash, which we also let disable gnits.
+AM_INIT_AUTOMAKE([1.11.1 dist-xz nostdinc
+ color-tests parallel-tests
+ silent-rules]
+ m4_bmatch(m4_defn([AC_PACKAGE_VERSION]), [[-_]],
+ [gnu], [gnits]))
+AM_SILENT_RULES([yes])
AC_CONFIG_HEADERS([lib/config.h:lib/config.hin])
# Checks for the compiler.
# Gnulib (early checks).
gl_EARLY
-AC_ARG_ENABLE(gcc-warnings,
+AC_ARG_ENABLE([gcc-warnings],
[ --enable-gcc-warnings turn on lots of GCC warnings (not recommended)],
-[case "${enableval}" in
+[case $enable_gcc_warnings in
yes|no) ;;
- *) AC_MSG_ERROR([bad value ${enableval} for gcc-warnings option]) ;;
+ *) AC_MSG_ERROR([invalid value for --gcc-warnings: $enable_gcc_warnings]);;
esac],
- [enableval=no])
-if test "${enableval}" = yes; then
+ [enable_gcc_warnings=no])
+if test "$enable_gcc_warnings" = yes; then
gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
AC_SUBST([WERROR_CFLAGS])
gl_WARN_ADD([-Wall])
gl_WARN_ADD([-Wshadow])
gl_WARN_ADD([-Wstrict-prototypes])
AC_SUBST([WARN_CFLAGS])
- AC_DEFINE([lint], 1, [Define to 1 if the compiler is checking for lint.])
+ # Warnings for the test suite only.
+ gl_WARN_ADD([-Wundef], [WARN_CFLAGS_TEST])
+ gl_WARN_ADD([-pedantic], [WARN_CFLAGS_TEST])
+ AC_SUBST([WARN_CXXFLAGS_TEST], ["$WARN_CXXFLAGS $WARN_CFLAGS_TEST"])
+ AC_SUBST([WARN_CFLAGS_TEST], ["$WARN_CFLAGS $WARN_CFLAGS_TEST"])
fi
BISON_TEST_FOR_WORKING_C_COMPILER
AC_PROG_RANLIB
AC_PROG_GNU_M4
AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])
+AC_DEFINE_UNQUOTED([M4_GNU_OPTION], ["$M4_GNU"], [Define to "-g" if GNU M4
+supports -g, otherwise to "".])
AM_MISSING_PROG([HELP2MAN], [help2man])
AC_PATH_PROG([XSLTPROC], [xsltproc])
AC_SUBST([XSLTPROC])
# We use gnulib, which is only guaranteed to work properly with the
# latest Gettext.
AM_GNU_GETTEXT([external], [need-ngettext])
-AM_GNU_GETTEXT_VERSION([0.17])
+AM_GNU_GETTEXT_VERSION([0.18])
BISON_I18N
# Internationalized parsers.
# We use gnulib, but from lib/local.mk instead of lib/Makefile.am.
# So prefix paths with lib/. See also etc/prefix-gnulib-mk.
gl_LIBOBJS=`echo "$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
+# Listing the names of the variables to prefix is error-prone.
+# Rather, adjust all the AC_SUBST variables whose name ends in '_H',
+# and whose content ends in '.h'.
+for ac_var in $ac_subst_vars
do
- eval "test 'x$ac_var' = x || $ac_var=lib/\$$ac_var"
+ eval "ac_val=\$$ac_var"
+ case $ac_var=$ac_val in
+ (*_H=*.h) eval "$ac_var=lib/\$$ac_var";;
+ esac
done
AC_CONFIG_FILES([Makefile
- po/Makefile.in
- examples/calc++/Makefile
- doc/yacc.1])
+ po/Makefile.in
+ doc/yacc.1])
AC_OUTPUT
projects / bison.git / blobdiff