From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Fri, 4 Sep 2020 21:02:57 +0000 (-0700)
Subject: bpo-41721: Add xlc options (GH-22097)
X-Git-Tag: v3.9.0rc2~48
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=fb050d0d60f38dc9b6c30df1864020a92981be5b;p=thirdparty%2FPython%2Fcpython.git

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 4d9c54f2d687..9e6fd4658333 100755
--- 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 1bcd41e48461..d60f05251ab7 100644
--- 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