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@@ -295,12 +295,19 @@ OPTIMIZATION+=$(call check_gcc,-funit-at-a-time,)
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# Add a bunch of extra pedantic annoyingly strict checks
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XWARNINGS=$(subst ",, $(strip $(WARNINGS))) -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing
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+XWARNINGS+=-Wnested-externs -Wshadow -Wmissing-noreturn -Wmissing-format-attribute -Wformat=2
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+#XWARNINGS+=-Wmissing-prototypes -Wmissing-declarations
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+# works only w/ gcc-3.4 and up, can't be checked for gcc-3.x w/ check_gcc()
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+#XWARNINGS+=-Wdeclaration-after-statement
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XARCH_CFLAGS=$(subst ",, $(strip $(ARCH_CFLAGS)))
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CPU_CFLAGS=$(subst ",, $(strip $(CPU_CFLAGS-y)))
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# Make sure "char" behavior is the same everywhere
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CPU_CFLAGS += -fsigned-char
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+# only i386 is known to work if compile.S gets -D__ASSEMBLER__
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+#CPU_CFLAGS += -std=c99
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+
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LDADD_LIBFLOAT=
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ifeq ($(UCLIBC_HAS_SOFT_FLOAT),y)
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# Add -msoft-float to the CPU_FLAGS since ldso and libdl ignore CFLAGS.
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