Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'kbuild-fixes-v4.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull more Kbuild fixes from Masahiro Yamada:
- enable '-fno-tree-loop-im' only when supported
- add '-fno-PIE' option before the asm-goto test
* tag 'kbuild-fixes-v4.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
Makefile: disable PIE before testing asm goto
kbuild: gcov: enable -fno-tree-loop-im if supported
+6
-3
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-3
Makefile
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-3
Makefile
···
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RETPOLINE_CFLAGS := $(call cc-option,$(RETPOLINE_CFLAGS_GCC),$(call cc-option,$(RETPOLINE_CFLAGS_CLANG)))
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export RETPOLINE_CFLAGS
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+
KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
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KBUILD_AFLAGS += $(call cc-option,-fno-PIE)
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+
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# check for 'asm goto'
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ifeq ($(call shell-cached,$(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLAGS)), y)
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CC_HAVE_ASM_GOTO := 1
···
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# Defaults to vmlinux, but the arch makefile usually adds further targets
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all: vmlinux
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-
KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
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-
KBUILD_AFLAGS += $(call cc-option,-fno-PIE)
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-
CFLAGS_GCOV := -fprofile-arcs -ftest-coverage -fno-tree-loop-im $(call cc-disable-warning,maybe-uninitialized,)
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CFLAGS_GCOV := -fprofile-arcs -ftest-coverage \
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$(call cc-option,-fno-tree-loop-im) \
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$(call cc-disable-warning,maybe-uninitialized,)
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export CFLAGS_GCOV CFLAGS_KCOV
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# The arch Makefile can set ARCH_{CPP,A,C}FLAGS to override the default