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kbuild: add -fno-PIE flag unconditionally

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This flag is documented in the GCC 4.6 manual, and recognized by
Clang as well. Let's rip off the cc-option switch.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
This commit is contained in:
Masahiro Yamada 2018-12-14 17:05:37 +09:00
parent 518d8a5644
commit 42a92bccd2
1 changed files with 2 additions and 5 deletions
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7
Makefile
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@ -426,9 +426,9 @@ LINUXINCLUDE := \
-I$(objtree)/include \
$(USERINCLUDE)
KBUILD_AFLAGS := -D__ASSEMBLY__
KBUILD_AFLAGS := -D__ASSEMBLY__ -fno-PIE
KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
-fno-strict-aliasing -fno-common -fshort-wchar \
-fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE \
-Werror-implicit-function-declaration \
-Wno-format-security \
-std=gnu89
@ -514,9 +514,6 @@ RETPOLINE_VDSO_CFLAGS := $(call cc-option,$(RETPOLINE_VDSO_CFLAGS_GCC),$(call cc
export RETPOLINE_CFLAGS
export RETPOLINE_VDSO_CFLAGS
KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
KBUILD_AFLAGS += $(call cc-option,-fno-PIE)
# check for 'asm goto'
ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLAGS)), y)
CC_HAVE_ASM_GOTO := 1