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if (ANDROID)
# NDK r23 onwards has stopped using libgcc:
# - https://github.com/android/ndk/wiki/Changelog-r23#changes
# - https://github.com/android/ndk/issues/1230
# LLVM's libunwind is now used instead of libgcc for all architectures rather than just 32-bit Arm.
# - https://github.com/android/ndk/issues/1231
# LLVM's libclang_rt.builtins is now used instead of libgcc.
if (CMAKE_ANDROID_NDK_VERSION GREATER_EQUAL 23)
# Use toolchain defaults to link with libunwind/clang_rt.builtins
add_link_options("-nostdlib++")
else ()
# Preserve old behaviour: specify runtime libs manually
add_link_options(-nodefaultlibs)
link_libraries(gcc)
if (CMAKE_ANDROID_ARCH_ABI STREQUAL "armeabi-v7a")
link_libraries(unwind)
endif()
endif()
elseif (CMAKE_SYSTEM_NAME MATCHES "^(Darwin|Linux)$")
add_link_options("-nodefaultlibs")
endif()
if (APPLE)
set(CMAKE_SHARED_LINKER_FLAGS "-undefined dynamic_lookup")
endif()
if (CMAKE_SYSTEM_NAME MATCHES "^(Android|Linux)$")
add_link_options(-rdynamic)
endif()
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