Abseil Common Libraries (C++) (grcp 依赖)
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157 lines
4.5 KiB
157 lines
4.5 KiB
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# Copyright 2017 The Abseil Authors. |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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# |
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include(CMakeParseArguments) |
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set(_ABSL_HELPERS_PATH "${CMAKE_CURRENT_LIST_DIR}") |
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# |
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# create a static library absl_based on the following variable |
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# |
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# parameters |
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# SOURCES : sources files for the library |
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# PUBLIC_LIBRARIES: targets and flags for linking phase |
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# PRIVATE_COMPILE_FLAGS: compile flags for the library. Will not be exported. |
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# EXPORT_NAME: export name for the absl:: target export |
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# TARGET: target name |
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# |
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# create a target associated to <NAME> |
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# libraries are installed under CMAKE_INSTALL_FULL_LIBDIR by default |
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# |
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function(absl_library) |
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cmake_parse_arguments(ABSL_LIB |
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"DISABLE_INSTALL" # keep that in case we want to support installation one day |
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"TARGET;EXPORT_NAME" |
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"SOURCES;PUBLIC_LIBRARIES;PRIVATE_COMPILE_FLAGS;PUBLIC_INCLUDE_DIRS;PRIVATE_INCLUDE_DIRS" |
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${ARGN} |
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) |
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set(_NAME ${ABSL_LIB_TARGET}) |
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string(TOUPPER ${_NAME} _UPPER_NAME) |
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add_library(${_NAME} STATIC ${ABSL_LIB_SOURCES}) |
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target_compile_options(${_NAME} PRIVATE ${ABSL_COMPILE_CXXFLAGS} ${ABSL_LIB_PRIVATE_COMPILE_FLAGS}) |
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target_link_libraries(${_NAME} PUBLIC ${ABSL_LIB_PUBLIC_LIBRARIES}) |
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target_include_directories(${_NAME} |
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PUBLIC ${ABSL_COMMON_INCLUDE_DIRS} ${ABSL_LIB_PUBLIC_INCLUDE_DIRS} |
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PRIVATE ${ABSL_LIB_PRIVATE_INCLUDE_DIRS} |
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) |
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if(ABSL_LIB_EXPORT_NAME) |
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add_library(absl::${ABSL_LIB_EXPORT_NAME} ALIAS ${_NAME}) |
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endif() |
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endfunction() |
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# |
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# header only virtual target creation |
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# |
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function(absl_header_library) |
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cmake_parse_arguments(ABSL_HO_LIB |
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"DISABLE_INSTALL" |
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"EXPORT_NAME;TARGET" |
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"PUBLIC_LIBRARIES;PRIVATE_COMPILE_FLAGS;PUBLIC_INCLUDE_DIRS;PRIVATE_INCLUDE_DIRS" |
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${ARGN} |
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) |
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set(_NAME ${ABSL_HO_LIB_TARGET}) |
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set(__dummy_header_only_lib_file "${CMAKE_CURRENT_BINARY_DIR}/${_NAME}_header_only_dummy.cc") |
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if(NOT EXISTS ${__dummy_header_only_lib_file}) |
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file(WRITE ${__dummy_header_only_lib_file} |
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"\ |
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/* generated file for header-only cmake target */ \ |
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\ |
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// single meaningless symbol \ |
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void __${_NAME}__header_fakesym() {} \ |
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\ |
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" |
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) |
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endif() |
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add_library(${_NAME} ${__dummy_header_only_lib_file}) |
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target_link_libraries(${_NAME} PUBLIC ${ABSL_HO_LIB_PUBLIC_LIBRARIES}) |
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target_include_directories(${_NAME} |
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PUBLIC ${ABSL_COMMON_INCLUDE_DIRS} ${ABSL_HO_LIB_PUBLIC_INCLUDE_DIRS} |
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PRIVATE ${ABSL_HO_LIB_PRIVATE_INCLUDE_DIRS} |
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) |
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if(ABSL_HO_LIB_EXPORT_NAME) |
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add_library(absl::${ABSL_HO_LIB_EXPORT_NAME} ALIAS ${_NAME}) |
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endif() |
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endfunction() |
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# |
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# create an abseil unit_test and add it to the executed test list |
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# |
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# parameters |
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# TARGET: target name prefix |
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# SOURCES: sources files for the tests |
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# PUBLIC_LIBRARIES: targets and flags for linking phase. |
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# PRIVATE_COMPILE_FLAGS: compile flags for the test. Will not be exported. |
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# |
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# create a target associated to <NAME>_bin |
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# |
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# all tests will be register for execution with add_test() |
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# |
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# test compilation and execution is disable when BUILD_TESTING=OFF |
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# |
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function(absl_test) |
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cmake_parse_arguments(ABSL_TEST |
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"" |
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"TARGET" |
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"SOURCES;PUBLIC_LIBRARIES;PRIVATE_COMPILE_FLAGS;PUBLIC_INCLUDE_DIRS" |
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${ARGN} |
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) |
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if(BUILD_TESTING) |
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set(_NAME ${ABSL_TEST_TARGET}) |
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string(TOUPPER ${_NAME} _UPPER_NAME) |
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add_executable(${_NAME}_bin ${ABSL_TEST_SOURCES}) |
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target_compile_options(${_NAME}_bin PRIVATE ${ABSL_COMPILE_CXXFLAGS} ${ABSL_TEST_PRIVATE_COMPILE_FLAGS}) |
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target_link_libraries(${_NAME}_bin PUBLIC ${ABSL_TEST_PUBLIC_LIBRARIES} ${ABSL_TEST_COMMON_LIBRARIES}) |
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target_include_directories(${_NAME}_bin |
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PUBLIC ${ABSL_COMMON_INCLUDE_DIRS} ${ABSL_TEST_PUBLIC_INCLUDE_DIRS} |
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PRIVATE ${GMOCK_INCLUDE_DIRS} ${GTEST_INCLUDE_DIRS} |
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) |
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add_test(${_NAME}_test ${_NAME}_bin) |
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endif(BUILD_TESTING) |
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endfunction() |
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function(check_target my_target) |
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if(NOT TARGET ${my_target}) |
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message(FATAL_ERROR " ABSL: compiling absl requires a ${my_target} CMake target in your project, |
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see CMake/README.md for more details") |
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endif(NOT TARGET ${my_target}) |
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endfunction()
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