# 02111-1307 USA
# We need a recent Autoconf to run a recent Autotest.
-AC_PREREQ(2.52e)
+AC_PREREQ(2.52g)
AC_INIT([GNU Bison], [1.49a], [bug-bison@gnu.org])
AC_CONFIG_AUX_DIR(config)
# Initialize the test suite.
AC_CONFIG_TESTDIR(tests)
-AC_CONFIG_FILES(tests/Makefile tests/atlocal)
+AC_CONFIG_FILES([tests/Makefile tests/atlocal])
AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison])
# Needed by tests/atlocal.in.
AC_SUBST([GCC])
AC_ISC_POSIX
AM_PROG_CC_STDC
AC_PROG_RANLIB
-# GNU M4 is needed to build the testsuite.
-BISON_AC_PROG_GNU_M4
-if test "$ac_cv_prog_gnu_m4" != yes; then
- missing_dir=`cd $ac_aux_dir && pwd`
- M4="$missing_dir/missing m4"
-fi
+AM_MISSING_PROG([AUTOM4TE], [autom4te])
AC_ARG_ENABLE(gcc-warnings,
[ --enable-gcc-warnings turn on lots of GCC warnings (not recommended)],