--- as.m4.~1.4.~	2002-02-02 10:50:17.000000000 +1000
+++ as.m4	2002-09-28 16:03:29.000000000 +1000
@@ -24,8 +24,10 @@
 AC_DEFUN([AM_PROG_AS],
 [# By default we simply use the C compiler to build assembly code.
 AC_REQUIRE([AC_PROG_CC])
-: ${CCAS='$(CC)'}
-# Set ASFLAGS if not already set.
-: ${CCASFLAGS='$(CFLAGS)'}
+test "${CCAS+set}" = set || CCAS=$CC
+test "${CCASFLAGS+set}" = set || CCASFLAGS=$CFLAGS
 AC_SUBST(CCAS)
-AC_SUBST(CCASFLAGS)])
+AC_SUBST(CCASFLAGS)
+AC_ARG_VAR(CCAS,     [Assembler compiler command (defaults to CC)])
+AC_ARG_VAR(CCASFLAGS,[Assembler compiler flags (defaults to CFLAGS)])
+])