Revise support for AIX 4.1 on POWER and PowerPC.

1 files changed, 11 insertions, 3 deletions

diff --git a/config.guess b/config.guess
index daae8ac0008..d3fb06986a5 100755
--- a/config.guess
+++ b/config.guess
@@ -147,12 +147,20 @@ EOF
                 echo rs6000-ibm-aix3.2
         fi
         exit 0 ;;
-    *:AIX:1:4)
+    *:AIX:*:4)
         if /usr/sbin/lsattr -EHl proc0 | grep POWER >/dev/null 2>&1; then
-                echo rs6000-ibm-aix4.1
+                IBM_ARCH=rs6000
         else
-                echo powerpc-ibm-aix4.1
+                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
+        else
+                IBM_REV=4
+        fi
+        echo ${IBM_ARCH}-ibm-aix${IBM_REV}
         exit 0 ;;
     *:AIX:*:*)
         echo rs6000-ibm-aix