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authorLinus Torvalds <torvalds@linux-foundation.org>2018-05-27 09:27:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-05-27 09:27:27 -0700
commit861d9dd375269c695be8860387b4bb522f8b490a (patch)
tree1ba85b0ea3dcffaa5167709b6a910c357328648b
parent7fbb6157630f2ba6ee355689061f9596b84373ef (diff)
parent8438ee76b004ef66d125ade64c91fc128047d244 (diff)
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--Makefile9
1 files changed, 6 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index ec6f45928fd4..a806ff1bb75a 100644
--- a/Makefile
+++ b/Makefile
@@ -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