6744609: Disable MMX support when building libpng library
Summary: Define -DPNG_NO_MMX_CODE unconditionally, not just on 64-bit Linux
Reviewed-by: anthony, art
--- a/jdk/make/sun/splashscreen/Makefile Thu Sep 04 17:24:23 2008 +0400
+++ b/jdk/make/sun/splashscreen/Makefile Mon Sep 08 17:26:24 2008 -0700
@@ -85,13 +85,6 @@
CPPFLAGS += -I$(PLATFORM_SRC)/native/$(PKGDIR)/splashscreen -I$(SHARE_SRC)/native/$(PKGDIR)/splashscreen
CPPFLAGS += -I$(SHARE_SRC)/native/$(PKGDIR)/image/jpeg -I$(SHARE_SRC)/native/java/util/zip/zlib-1.1.3
-ifeq ($(PLATFORM), linux)
- ifeq ($(ARCH_DATA_MODEL), 64)
- # 64-bit gcc has problems compiling MMX instructions.
- # Google it for more details. Possibly the newer versions of
- # the PNG-library and/or the new compiler will not need this
- # option in the future.
- CPPFLAGS += -DPNG_NO_MMX_CODE
- endif
-endif
-
+# Shun the less than portable MMX assembly code in pnggccrd.c,
+# and use alternative implementations in C.
+CPPFLAGS += -DPNG_NO_MMX_CODE