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Commit edc3371a authored by Nick Kralevich's avatar Nick Kralevich Committed by Android Git Automerger
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am f3a6b07b: Merge "host compiler: enable compiler hardening flags" 

* commit 'f3a6b07b':
  host compiler: enable compiler hardening flags
parents f674a67d f3a6b07b

core/combo/HOST_linux-x86.mk

+3 −3
Original line number Diff line number Diff line
@@ -29,7 +29,7 @@ $(combo_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG := prebuilts/gcc/linux-x86/host 


# We expect SSE3 floating point math.

$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -msse3 -mfpmath=sse -m32 -Wa,--noexecstack -march=prescott

$(combo_2nd_arch_prefix)HOST_GLOBAL_LDFLAGS += -m32 -Wl,-z,noexecstack

$(combo_2nd_arch_prefix)HOST_GLOBAL_LDFLAGS += -m32 -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now



ifneq ($(strip $(BUILD_HOST_static)),)

# Statically-linked binaries are desirable for sandboxed environment
@@ -40,8 +40,8 @@ $(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -fPIC \ 
  -no-canonical-prefixes \

  -include $(call select-android-config-h,linux-x86)



# Disable new longjmp in glibc 2.11 and later. See bug 2967937. Same for 2.15?

$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0

# TODO: Set _FORTIFY_SOURCE=2. Bug 20558757.

$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -fstack-protector



# Workaround differences in inttypes.h between host and target.

# See bug 12708004.

core/combo/HOST_linux-x86_64.mk

+3 −3
Original line number Diff line number Diff line
@@ -28,7 +28,7 @@ HOST_AR := $(HOST_TOOLCHAIN_PREFIX)ar 
HOST_TOOLCHAIN_FOR_CLANG := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/



HOST_GLOBAL_CFLAGS += -m64 -Wa,--noexecstack

HOST_GLOBAL_LDFLAGS += -m64 -Wl,-z,noexecstack

HOST_GLOBAL_LDFLAGS += -m64 -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now



ifneq ($(strip $(BUILD_HOST_static)),)

# Statically-linked binaries are desirable for sandboxed environment
@@ -40,8 +40,8 @@ HOST_GLOBAL_CFLAGS += -fPIC \ 
  -no-canonical-prefixes \

  -include $(call select-android-config-h,linux-x86)



# Disable new longjmp in glibc 2.11 and later. See bug 2967937. Same for 2.15?

HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0

# TODO: Set _FORTIFY_SOURCE=2. Bug 20558757.

HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -fstack-protector



# Workaround differences in inttypes.h between host and target.

# See bug 12708004.