Source
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# $(cc-option,<flag>)
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# Return y if the compiler supports <flag>, n otherwise
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cc-option = $(success,$(CC) -Werror $(1) -E -x c /dev/null -o /dev/null)
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# $(ld-option,<flag>)
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# Return y if the linker supports <flag>, n otherwise
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ld-option = $(success,$(LD) -v $(1))
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# gcc version including patch level
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-
gcc-version := $(shell,$(srctree)/scripts/gcc-version.sh -p $(CC) | sed 's/^0*//')
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+
gcc-version := $(shell,$(srctree)/scripts/gcc-version.sh $(CC))