dnl based on major, minor, patchlevel versions and date.
dnl AC_HAVE_GCC_VERSION(MAJOR_VERSION, MINOR_VERSION, PATCH_LEVEL,
dnl SNAPSHOT_DATE [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
-AC_DEFUN(AC_HAVE_GCC_VERSION,
+AC_DEFUN([AC_HAVE_GCC_VERSION],
[AC_CACHE_CHECK([gcc is at least version $1.$2.$3.$4],
ac_cv_gcc_version_$1_$2_$3_$4,
[