| LOCAL_PATH:= $(call my-dir) |
| |
| # |
| # libdl |
| # |
| |
| include $(CLEAR_VARS) |
| |
| # NOTE: --exclude-libs=libgcc.a makes sure that any symbols libdl.so pulls from |
| # libgcc.a are made static to libdl.so. This in turn ensures that libraries that |
| # a) pull symbols from libgcc.a and b) depend on libdl.so will not rely on libdl.so |
| # to provide those symbols, but will instead pull them from libgcc.a. Specifically, |
| # we use this property to make sure libc.so has its own copy of the code from |
| # libgcc.a it uses. |
| # |
| # DO NOT REMOVE --exclude-libs! |
| |
| LOCAL_LDFLAGS := -Wl,--exclude-libs=libgcc.a |
| |
| # for x86, exclude libgcc_eh.a for the same reasons as above |
| ifneq ($(TARGET_SIMULATOR),true) |
| ifeq ($(TARGET_ARCH),x86) |
| LOCAL_LDFLAGS += -Wl,--exclude-libs=libgcc_eh.a |
| endif |
| endif |
| |
| LOCAL_SRC_FILES:= libdl.c |
| |
| LOCAL_MODULE:= libdl |
| |
| # NOTE: libdl needs __aeabi_unwind_cpp_pr0 from libgcc.a but libgcc.a needs a |
| # few symbols from libc. Using --no-undefined here results in having to link |
| # against libc creating a circular dependency which is removed and we end up |
| # with missing symbols. Since this library is just a bunch of stubs, we set |
| # LOCAL_ALLOW_UNDEFINED_SYMBOLS to remove --no-undefined from the linker flags. |
| LOCAL_ALLOW_UNDEFINED_SYMBOLS := true |
| LOCAL_SYSTEM_SHARED_LIBRARIES := |
| |
| ifeq ($(TARGET_ARCH),sh) |
| # for SuperH, additional code is necessary to handle .ctors section. |
| GEN_SOBEGIN := $(TARGET_OUT_STATIC_LIBRARIES)/sobegin.o |
| $(GEN_SOBEGIN): $(LOCAL_PATH)/arch-sh/sobegin.S |
| @mkdir -p $(dir $@) |
| $(TARGET_CC) -o $@ -c $< |
| |
| GEN_SOEND := $(TARGET_OUT_STATIC_LIBRARIES)/soend.o |
| $(GEN_SOEND): $(LOCAL_PATH)/arch-sh/soend.S |
| @mkdir -p $(dir $@) |
| $(TARGET_CC) -o $@ -c $< |
| |
| LOCAL_ADDITIONAL_DEPENDENCIES := $(GEN_SOBEGIN) $(GEN_SOEND) |
| endif |
| |
| include $(BUILD_SHARED_LIBRARY) |
| |
| BUILD_DLTEST:=0 |
| ifeq ($(BUILD_DLTEST),1) |
| |
| # |
| # dltest |
| # |
| |
| include $(CLEAR_VARS) |
| |
| LOCAL_SRC_FILES:= dltest.c |
| |
| LOCAL_MODULE:= dltest |
| |
| LOCAL_SHARED_LIBRARIES := libdl |
| |
| include $(BUILD_EXECUTABLE) |
| |
| endif |