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 LOCAL_LDFLAGS_x86 := -Wl,--exclude-libs=libgcc_eh.a LOCAL_LDFLAGS_x86_64 := $(LOCAL_LDFLAGS_x86) LOCAL_SRC_FILES:= libdl.c LOCAL_CFLAGS := -Wall -Wextra -Werror LOCAL_MODULE := libdl LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk # 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 := include $(BUILD_SHARED_LIBRARY)