Revise support for AIX 4.1 on POWER and PowerPC.

From-SVN: r8306

diff --git a/gcc/config.guess b/gcc/config.guess
index daae8ac00085fe584174e8507da4e1944d91025f..d3fb06986a510addb9112d086299e02cbbcf0c99 100755 (executable)
--- a/gcc/config.guess
+++ b/gcc/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