(AIX4): More robust release numbering discovery.

diff --git a/config.guess b/config.guess
index 6b815db7d1dcdd42fa96a3492aa158b9231cc7ae..51d040c2855a0f8ed63ef8fc9d868ed0cf3cee04 100755 (executable)
--- a/config.guess
+++ b/config.guess
@@ -187,10 +187,8 @@ EOF
        else
                IBM_ARCH=powerpc
        fi
-       if grep bos410 /usr/include/stdio.h >/dev/null 2>&1; then
-               IBM_REV=4.1
-       elif grep bos411 /usr/include/stdio.h >/dev/null 2>&1; then
-               IBM_REV=4.1.1
+       if [ -x /usr/bin/oslevel ] ; then
+               IBM_REV=`/usr/bin/oslevel`
        else
                IBM_REV=4.${UNAME_RELEASE}
        fi