Prevent symbols from libgcc from being reexported.

Since this was not done earlier, there are binary compatibility concerns
that prevent us from being able to apply this to LP32.

Bug: 11156955
Change-Id: Ie717c3ae4b81c749548a45a993c834e109700b27
This commit is contained in:
Dan Albert 2014-06-18 17:18:33 -07:00
parent 0d7415fb22
commit 65e80cf622
2 changed files with 14 additions and 0 deletions

View File

@ -971,6 +971,13 @@ LOCAL_SHARED_LIBRARIES := libdl
LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
LOCAL_SYSTEM_SHARED_LIBRARIES :=
# We'd really like to do this for all architectures, but since this wasn't done
# before, these symbols must continue to be exported on LP32 for binary
# compatibility.
LOCAL_LDFLAGS_arm64 := -Wl,--exclude-libs,libgcc.a
LOCAL_LDFLAGS_mips64 := -Wl,--exclude-libs,libgcc.a
LOCAL_LDFLAGS_x86_64 := -Wl,--exclude-libs,libgcc.a
$(eval $(call patch-up-arch-specific-flags,LOCAL_CFLAGS,libc_common_cflags))
$(eval $(call patch-up-arch-specific-flags,LOCAL_SRC_FILES,libc_arch_dynamic_src_files))
$(eval $(call patch-up-arch-specific-flags,LOCAL_SRC_FILES,libc_static_common_src_files))

View File

@ -291,5 +291,12 @@ LOCAL_MODULE:= libm
LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
LOCAL_SYSTEM_SHARED_LIBRARIES := libc
LOCAL_WHOLE_STATIC_LIBRARIES := libm
# We'd really like to do this for all architectures, but since this wasn't done
# before, these symbols must continue to be exported on LP32 for binary
# compatibility.
LOCAL_LDFLAGS_arm64 := -Wl,--exclude-libs,libgcc.a
LOCAL_LDFLAGS_mips64 := -Wl,--exclude-libs,libgcc.a
LOCAL_LDFLAGS_x86_64 := -Wl,--exclude-libs,libgcc.a
include $(BUILD_SHARED_LIBRARY)
endif