# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
# 02111-1307 USA
-# We need a recent Autoconf to run a recent Autotest.
-AC_PREREQ(2.57)
+# 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)
AC_INIT([GNU Bison], [1.875e], [bug-bison@gnu.org])
AC_CONFIG_AUX_DIR([config])
AC_CONFIG_MACRO_DIR([m4])
-AM_INIT_AUTOMAKE([1.7 check-news readme-alpha dist-bzip2])
+# 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
# gnulib and gettext.
GNULIB_AUTOCONF_SNIPPET
-AM_GNU_GETTEXT_VERSION([0.14.1])
+# We use po/Makevars.template, so we need at least gettext 0.12.
+AM_GNU_GETTEXT_VERSION([0.12])
# Initialize the test suite.
AC_CONFIG_TESTDIR(tests)
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_CONFIG_FILES([Makefile
config/Makefile