[PATCH] Detect x32 ABI in config.guess

[James Clarke]

---
 config.guess | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/config.guess b/config.guess
index 9baaa27..68fb94e 100755
--- a/config.guess
+++ b/config.guess
@@ -1046,7 +1046,14 @@ EOF
        echo "$UNAME_MACHINE"-dec-linux-"$LIBC"
        exit ;;
     x86_64:Linux:*:*)
-       echo "$UNAME_MACHINE"-pc-linux-"$LIBC"
+       eval $set_cc_for_build
+       if echo __ILP32__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \
+           grep -q __ILP32__
+       then
+           echo "$UNAME_MACHINE"-pc-linux-"$LIBC"
+       else
+           echo "$UNAME_MACHINE"-pc-linux-"$LIBC"x32
+       fi
        exit ;;
     xtensa*:Linux:*:*)
        echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
-- 
2.16.2