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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-05-27 09:27:27 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-05-27 09:27:27 -0700 |
| commit | 861d9dd375269c695be8860387b4bb522f8b490a (patch) | |
| tree | 1ba85b0ea3dcffaa5167709b6a910c357328648b | |
| parent | 7fbb6157630f2ba6ee355689061f9596b84373ef (diff) | |
| parent | 8438ee76b004ef66d125ade64c91fc128047d244 (diff) | |
| download | lwn-861d9dd375269c695be8860387b4bb522f8b490a.tar.gz lwn-861d9dd375269c695be8860387b4bb522f8b490a.zip | |
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
| -rw-r--r-- | Makefile | 9 |
1 files changed, 6 insertions, 3 deletions
@@ -500,6 +500,9 @@ RETPOLINE_CFLAGS_CLANG := -mretpoline-external-thunk RETPOLINE_CFLAGS := $(call cc-option,$(RETPOLINE_CFLAGS_GCC),$(call cc-option,$(RETPOLINE_CFLAGS_CLANG))) export RETPOLINE_CFLAGS +KBUILD_CFLAGS += $(call cc-option,-fno-PIE) +KBUILD_AFLAGS += $(call cc-option,-fno-PIE) + # check for 'asm goto' ifeq ($(call shell-cached,$(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLAGS)), y) CC_HAVE_ASM_GOTO := 1 @@ -621,9 +624,9 @@ endif # $(dot-config) # Defaults to vmlinux, but the arch makefile usually adds further targets all: vmlinux -KBUILD_CFLAGS += $(call cc-option,-fno-PIE) -KBUILD_AFLAGS += $(call cc-option,-fno-PIE) -CFLAGS_GCOV := -fprofile-arcs -ftest-coverage -fno-tree-loop-im $(call cc-disable-warning,maybe-uninitialized,) +CFLAGS_GCOV := -fprofile-arcs -ftest-coverage \ + $(call cc-option,-fno-tree-loop-im) \ + $(call cc-disable-warning,maybe-uninitialized,) export CFLAGS_GCOV CFLAGS_KCOV # The arch Makefile can set ARCH_{CPP,A,C}FLAGS to override the default |