Revision: 10427
Author: [email protected]
Date: Wed Jan 18 02:17:03 2012
Log: Provide a switch to specify -fno-strict-aliasing
BUG=v8:1887
Review URL: https://chromiumcodereview.appspot.com/9231019
http://code.google.com/p/v8/source/detail?r=10427
Modified:
/branches/bleeding_edge/Makefile
/branches/bleeding_edge/build/common.gypi
=======================================
--- /branches/bleeding_edge/Makefile Mon Jan 16 05:29:12 2012
+++ /branches/bleeding_edge/Makefile Wed Jan 18 02:17:03 2012
@@ -87,6 +87,10 @@
ifeq ($(presubmit), no)
TESTFLAGS += --no-presubmit
endif
+# strictaliasing=off (workaround for GCC-4.5)
+ifeq ($(strictaliasing), off)
+ GYPFLAGS += -Dv8_no_strict_aliasing=1
+endif
# ----------------- available targets: --------------------
# - "dependencies": pulls in external dependencies (currently: GYP)
=======================================
--- /branches/bleeding_edge/build/common.gypi Tue Jan 17 06:35:38 2012
+++ /branches/bleeding_edge/build/common.gypi Wed Jan 18 02:17:03 2012
@@ -73,6 +73,9 @@
# Enable profiling support. Only required on Windows.
'v8_enable_prof%': 0,
+ # Some versions of GCC 4.5 seem to need -fno-strict-aliasing.
+ 'v8_no_strict_aliasing%': 0,
+
# Chrome needs this definition unconditionally. For standalone V8
builds,
# it's handled in build/standalone.gypi.
'want_separate_host_toolset%': 1,
@@ -227,7 +230,10 @@
'cflags': [ '-m32' ],
'ldflags': [ '-m32' ],
}],
- ],
+ [ 'v8_no_strict_aliasing==1', {
+ 'cflags': [ '-fno-strict-aliasing' ],
+ }],
+ ], # conditions
}],
['OS=="solaris"', {
'defines': [ '__C99FEATURES__=1' ], # isinf() etc.
--
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