Android.mk revision 1e980b6bc8315d00a07312b25486531247abd98c
1LOCAL_PATH:= $(call my-dir) 2include $(CLEAR_VARS) 3 4ifeq ($(TARGET_ARCH),x86) 5 linker_begin_extension := c 6else 7 linker_begin_extension := S 8endif 9 10LOCAL_SRC_FILES:= \ 11 arch/$(TARGET_ARCH)/begin.$(linker_begin_extension) \ 12 debugger.cpp \ 13 dlfcn.cpp \ 14 linker.cpp \ 15 linker_environ.cpp \ 16 linker_phdr.cpp \ 17 rt.cpp 18 19LOCAL_LDFLAGS := -shared -Wl,--exclude-libs,ALL 20 21LOCAL_CFLAGS += -fno-stack-protector \ 22 -Wstrict-overflow=5 \ 23 -fvisibility=hidden \ 24 -Wall -Wextra -Werror 25 26# We need to access Bionic private headers in the linker... 27LOCAL_CFLAGS += -I$(LOCAL_PATH)/../libc/ 28 29# ...one of which is <private/bionic_tls.h>, for which we 30# need HAVE_ARM_TLS_REGISTER. 31ifeq ($(TARGET_ARCH)-$(ARCH_ARM_HAVE_TLS_REGISTER),arm-true) 32 LOCAL_CFLAGS += -DHAVE_ARM_TLS_REGISTER 33endif 34 35ifeq ($(TARGET_ARCH),arm) 36 LOCAL_CFLAGS += -DANDROID_ARM_LINKER 37endif 38 39ifeq ($(TARGET_ARCH),x86) 40 LOCAL_CFLAGS += -DANDROID_X86_LINKER 41endif 42 43ifeq ($(TARGET_ARCH),mips) 44 LOCAL_CFLAGS += -DANDROID_MIPS_LINKER 45endif 46 47LOCAL_MODULE:= linker 48LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk 49 50LOCAL_STATIC_LIBRARIES := libc_nomalloc 51 52#LOCAL_FORCE_STATIC_EXECUTABLE := true # not necessary when not including BUILD_EXECUTABLE 53 54# 55# include $(BUILD_EXECUTABLE) 56# 57# Instead of including $(BUILD_EXECUTABLE), we execute the steps to create an executable by 58# hand, as we want to insert an extra step that is not supported by the build system, and 59# is probably specific the linker only, so there's no need to modify the build system for 60# the purpose. 61 62LOCAL_MODULE_CLASS := EXECUTABLES 63LOCAL_MODULE_SUFFIX := $(TARGET_EXECUTABLE_SUFFIX) 64 65# we don't want crtbegin.o (because we have begin.o), so unset it 66# just for this module 67LOCAL_NO_CRT := true 68 69include $(BUILD_SYSTEM)/dynamic_binary.mk 70 71# See build/core/executable.mk 72$(linked_module): PRIVATE_TARGET_GLOBAL_LD_DIRS := $(TARGET_GLOBAL_LD_DIRS) 73$(linked_module): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(TARGET_GLOBAL_LDFLAGS) 74$(linked_module): PRIVATE_TARGET_FDO_LIB := $(TARGET_FDO_LIB) 75$(linked_module): PRIVATE_TARGET_LIBGCC := $(TARGET_LIBGCC) 76$(linked_module): PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_CRTBEGIN_DYNAMIC_O) 77$(linked_module): PRIVATE_TARGET_CRTBEGIN_STATIC_O := $(TARGET_CRTBEGIN_STATIC_O) 78$(linked_module): PRIVATE_TARGET_CRTEND_O := $(TARGET_CRTEND_O) 79$(linked_module): $(TARGET_CRTBEGIN_STATIC_O) $(all_objects) $(all_libraries) $(TARGET_CRTEND_O) 80 $(transform-o-to-static-executable) 81 @echo "target PrefixSymbols: $(PRIVATE_MODULE) ($@)" 82 $(hide) $(TARGET_OBJCOPY) --prefix-symbols=__dl_ $@ 83 84# 85# end of BUILD_EXECUTABLE hack 86# 87