bpo-41721: Add xlc options (GH-22097)

(cherry picked from commit 84a7917b4c9afec07575065cffa143b91fe98c14)

Authored-by: Stefan Krah <skrah@bytereef.org>

diff --git a/configure b/configure
index 4d9c54f2d687ba60d12be3f13dc0a2420e56b598..9e6fd4658333b4a04409e9c63e527db028f1992a 100755 (executable)
--- a/configure
+++ b/configure
@@ -7588,11 +7588,14 @@ $as_echo "$MACOSX_DEPLOYMENT_TARGET" >&6; }
     ;;
 esac
 
-# ICC needs -fp-model strict or floats behave badly
 case "$CC" in
 *icc*)
+    # ICC needs -fp-model strict or floats behave badly
     CFLAGS_NODIST="$CFLAGS_NODIST -fp-model strict"
     ;;
+*xlc*)
+    CFLAGS_NODIST="$CFLAGS_NODIST -qalias=noansi -qmaxmem=-1"
+    ;;
 esac
 
 if test "$assertions" = 'true'; then

diff --git a/configure.ac b/configure.ac
index 1bcd41e484615472b2e7545f87b2b5922d175b4a..d60f05251ab727c38b7200a20277fc5eecaabaf9 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1993,11 +1993,14 @@ yes)
     ;;
 esac
 
-# ICC needs -fp-model strict or floats behave badly
 case "$CC" in
 *icc*)
+    # ICC needs -fp-model strict or floats behave badly
     CFLAGS_NODIST="$CFLAGS_NODIST -fp-model strict"
     ;;
+*xlc*)
+    CFLAGS_NODIST="$CFLAGS_NODIST -qalias=noansi -qmaxmem=-1"
+    ;;
 esac
 
 if test "$assertions" = 'true'; then