Mercurial > hg > icedtea7-forest > jdk
changeset 8915:a7267e8244b9 jdk7u111-b00
8161262: Fix jdk build with gcc 4.1.2: -fno-strict-overflow not known.
Summary: Use -fwrapv on GCC < 4.3. Also handle additional -fno-strict-aliasing cases with earlier compilers.
Reviewed-by: andrew
author | goetz |
---|---|
date | Fri, 15 Jul 2016 17:10:13 +0100 |
parents | f055a87d7910 |
children | 802c570861cb |
files | make/sun/font/Makefile |
diffstat | 1 files changed, 11 insertions(+), 2 deletions(-) [+] |
line wrap: on
line diff
--- a/make/sun/font/Makefile Wed Jul 13 21:47:10 2016 +0100 +++ b/make/sun/font/Makefile Fri Jul 15 17:10:13 2016 +0100 @@ -94,13 +94,22 @@ endif # PLATFORM -# Turn off aliasing with GCC for ExtensionSubtables.cpp -# Turn off strict overflow with GCC for IndicRearrangementProcessor.cpp +# Turn off aliasing with GCC for ExtensionSubtables.cpp (and others on GCC < 4.3) +# Turn off strict overflow with GCC for IndicRearrangementProcessor.cpp on GCC >= 4.3 +# Ensure signed integers wrap with GCC for IndicRearrangementProcessor.cpp on GCC < 4.3 ifeq ($(PLATFORM), linux) CXXFLAGS += $(CXXFLAGS_$(@F)) CXXFLAGS_ExtensionSubtables.o = -fno-strict-aliasing +ifeq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" + # GCC >= 4.3. This flag is not known in gcc 4.1.2. CXXFLAGS_IndicRearrangementProcessor.o := -fno-strict-overflow CXXFLAGS_IndicRearrangementProcessor2.o := -fno-strict-overflow +else + CXXFLAGS_ContextualGlyphSubstProc.o = -fno-strict-aliasing + CXXFLAGS_IndicRearrangementProcessor.o := -fwrapv -fno-strict-aliasing + CXXFLAGS_IndicRearrangementProcessor2.o := -fwrapv + CXXFLAGS_MorphTables2.o = -fno-strict-aliasing +endif endif #In the non-OpenJDK mode we need to build T2K