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Kbuild fixes for v4.11

Browse source 
- Hand-off primary maintainership of Kbuild
 - Fix build warnings
 - Fix build error when GCOV is enabled with old compiler
 - Fix HAVE_ASM_GOTO check when GCC plugin is enabled
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Merge tag 'kbuild-fixes-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - hand-off primary maintainership of Kbuild

 - fix build warnings

 - fix build error when GCOV is enabled with old compiler

 - fix HAVE_ASM_GOTO check when GCC plugin is enabled

* tag 'kbuild-fixes-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  gconfig: remove misleading parentheses around a condition
  jump label: fix passing kbuild_cflags when checking for asm goto support
  Kbuild: use cc-disable-warning consistently for maybe-uninitialized
  kbuild: external module build warnings when KBUILD_OUTPUT set and W=1
  MAINTAINERS: add Masahiro Yamada as a Kbuild maintainer
This commit is contained in:
Linus Torvalds 2017-04-05 08:37:28 -07:00
commit 9f0bffa18c
4 changed files with 11 additions and 11 deletions
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14
Makefile
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@ -372,7 +372,7 @@ LDFLAGS_MODULE =
CFLAGS_KERNEL =
AFLAGS_KERNEL =
LDFLAGS_vmlinux =
CFLAGS_GCOV = -fprofile-arcs -ftest-coverage -fno-tree-loop-im -Wno-maybe-uninitialized
CFLAGS_GCOV := -fprofile-arcs -ftest-coverage -fno-tree-loop-im $(call cc-disable-warning,maybe-uninitialized,)
CFLAGS_KCOV := $(call cc-option,-fsanitize-coverage=trace-pc,)
@ -653,6 +653,12 @@ KBUILD_CFLAGS += $(call cc-ifversion, -lt, 0409, \
# Tell gcc to never replace conditional load with a non-conditional one
KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0)
# check for 'asm goto'
ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLAGS)), y)
KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO
KBUILD_AFLAGS += -DCC_HAVE_ASM_GOTO
endif
include scripts/Makefile.gcc-plugins
ifdef CONFIG_READABLE_ASM
@ -798,12 +804,6 @@ KBUILD_CFLAGS += $(call cc-option,-Werror=incompatible-pointer-types)
# use the deterministic mode of AR if available
KBUILD_ARFLAGS := $(call ar-option,D)
# check for 'asm goto'
ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLAGS)), y)
KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO
KBUILD_AFLAGS += -DCC_HAVE_ASM_GOTO
endif
include scripts/Makefile.kasan
include scripts/Makefile.extrawarn
include scripts/Makefile.ubsan