94 lines
2.8 KiB
CMake
94 lines
2.8 KiB
CMake
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include(CMakeParseArguments)
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# inspired by https://github.com/abseil/abseil-cpp
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# cc_library()
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# CMake function to imitate Bazel's cc_library rule.
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function(cargo_shared_library)
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cmake_parse_arguments(
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CARGO # prefix
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"" # options
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"NAME" # one value args
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"HDRS" # multi value args
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${ARGN}
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)
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string(REPLACE "-" "_" LIB_NAME ${CARGO_NAME})
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# set(CARGO_TARGET_DIR ${CMAKE_CURRENT_BINARY_DIR})
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# figure out the target triple
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if(WIN32)
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if(CMAKE_SIZEOF_VOID_P EQUAL 8)
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set(LIB_TARGET "x86_64-pc-windows-msvc")
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else()
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set(LIB_TARGET "i686-pc-windows-msvc")
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endif()
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elseif(ANDROID)
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if(ANDROID_SYSROOT_ABI STREQUAL "x86")
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set(LIB_TARGET "i686-linux-android")
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elseif(ANDROID_SYSROOT_ABI STREQUAL "x86_64")
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set(LIB_TARGET "x86_64-linux-android")
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elseif(ANDROID_SYSROOT_ABI STREQUAL "arm")
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set(LIB_TARGET "arm-linux-androideabi")
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elseif(ANDROID_SYSROOT_ABI STREQUAL "arm64")
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set(LIB_TARGET "aarch64-linux-android")
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endif()
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elseif(IOS)
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set(LIB_TARGET "universal")
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elseif(CMAKE_SYSTEM_NAME STREQUAL Darwin)
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set(LIB_TARGET "x86_64-apple-darwin")
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else()
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if(CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
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set(LIB_TARGET "aarch64-unknown-linux-gnu")
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elseif(CMAKE_SIZEOF_VOID_P EQUAL 8)
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set(LIB_TARGET "x86_64-unknown-linux-gnu")
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else()
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set(LIB_TARGET "i686-unknown-linux-gnu")
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endif()
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endif()
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if(CMAKE_BUILD_TYPE STREQUAL "Debug")
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set(LIB_BUILD_TYPE "debug")
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else()
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set(LIB_BUILD_TYPE "release")
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endif()
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if(IOS)
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set(CARGO_ARGS "lipo")
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else()
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set(CARGO_ARGS "build")
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list(APPEND CARGO_ARGS "--target" ${LIB_TARGET})
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endif()
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if(${LIB_BUILD_TYPE} STREQUAL "release")
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list(APPEND CARGO_ARGS "--release")
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endif()
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file(GLOB_RECURSE LIB_SOURCES "*.rs")
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set(CARGO_ENV_COMMAND ${CMAKE_COMMAND} -E env "CARGO_TARGET_DIR=${CMAKE_CURRENT_BINARY_DIR}")
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# build the library target with cargo
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set(SHARED_LIB_NAME
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"${CMAKE_SHARED_LIBRARY_PREFIX}${LIB_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX}")
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set(LIB_FILE
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"${CMAKE_CURRENT_BINARY_DIR}/${LIB_TARGET}/${LIB_BUILD_TYPE}/${SHARED_LIB_NAME}")
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add_custom_command(
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OUTPUT ${LIB_FILE}
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COMMAND ${CARGO_ENV_COMMAND} ${CARGO_EXECUTABLE} ARGS ${CARGO_ARGS}
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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DEPENDS ${LIB_SOURCES}
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COMMENT "Building cargo library ${LIB_FILE}"
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)
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add_custom_target(${CARGO_NAME}_target ALL DEPENDS ${LIB_FILE})
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# add the library target
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add_library(${CARGO_NAME} SHARED IMPORTED GLOBAL)
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add_dependencies(${CARGO_NAME} ${CARGO_NAME}_target)
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set_target_properties(${CARGO_NAME} PROPERTIES
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IMPORTED_LOCATION ${LIB_FILE}
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INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}
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IMPORTED_NO_SONAME TRUE
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)
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endfunction()
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