2007-05-27 03:41:42 +08:00
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diff -urN linux-2.6.21.1.old/Makefile linux-2.6.21.1.dev/Makefile
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--- linux-2.6.21.1.old/Makefile 2007-04-27 23:49:26.000000000 +0200
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+++ linux-2.6.21.1.dev/Makefile 2007-05-26 19:14:22.967804016 +0200
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@@ -507,6 +507,9 @@
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2005-10-24 05:06:51 +08:00
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NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
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CHECKFLAGS += $(NOSTDINC_FLAGS)
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+# improve gcc optimization
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+CFLAGS += $(call cc-option,-funit-at-a-time,)
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+
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# warn about C99 declaration after statement
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CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
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