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Commit 194910dc authored by Sami Tolvanen's avatar Sami Tolvanen
Browse files

ANDROID: kbuild: export LTO and CFI flags 



Export the compiler flags for LTO and CFI, so we can filter them out
elsewhere when needed.

Bug: 145297900
Change-Id: I873d0f9ebef8f510eb5b56ab2e1888324f4bb84d
Signed-off-by: default avatarSami Tolvanen <samitolvanen@google.com>
parent 8c25f26e

Makefile

+6 −6
Original line number Diff line number Diff line
@@ -855,11 +855,11 @@ export DISABLE_LTO_CLANG 
endif



ifdef CONFIG_LTO

lto-flags	:= $(lto-clang-flags)

KBUILD_CFLAGS	+= $(lto-flags)

LTO_CFLAGS	:= $(lto-clang-flags)

KBUILD_CFLAGS	+= $(LTO_CFLAGS)



DISABLE_LTO	:= $(DISABLE_LTO_CLANG)

export DISABLE_LTO

export LTO_CFLAGS DISABLE_LTO



# LDFINAL_vmlinux and LDFLAGS_FINAL_vmlinux can be set to override

# the linker and flags for vmlinux_link.
@@ -885,12 +885,12 @@ endif 


ifdef CONFIG_CFI

# cfi-flags are re-tested in prepare-compiler-check

cfi-flags	:= $(cfi-clang-flags)

KBUILD_CFLAGS	+= $(cfi-flags)

CFI_CFLAGS	:= $(cfi-clang-flags)

KBUILD_CFLAGS	+= $(CFI_CFLAGS)



DISABLE_CFI	:= $(DISABLE_CFI_CLANG)

DISABLE_LTO	+= $(DISABLE_CFI)

export DISABLE_CFI

export CFI_CFLAGS DISABLE_CFI

endif



ifdef CONFIG_SHADOW_CALL_STACK