46 lines
2.0 KiB
CMake
46 lines
2.0 KiB
CMake
# CodeCoverageGCOV.cmake
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#
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# Adds options ENABLE_CODE_COVERAGE, which builds the project with
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# code coverage support
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#
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# It sets variables:
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# CODE_COVERAGE_DEFINES - to be used with target_compile_definitions() and similar
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# CODE_COVERAGE_CFLAGS - to be used with target_compile_options() and similar for C code
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# CODE_COVERAGE_CXXFLAGS - to be used with target_compile_options() and similar for C++ code
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# CODE_COVERAGE_LDFLAGS - to be used with target_link_libraries() and similar
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#
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# These variables should be added as the last in the options, because they change compilation
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include(CheckLibraryExists)
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include(PrintableOptions)
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add_printable_option(ENABLE_CODE_COVERAGE "Enable build with GCOV code coverage" OFF)
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if(ENABLE_CODE_COVERAGE)
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if("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU")
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CHECK_LIBRARY_EXISTS("gcov" "gcov_exit" "" HAVE_GCOV_LIBRARY)
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if(HAVE_GCOV_LIBRARY)
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set(CODE_COVERAGE_CFLAGS "-O0 -g -fprofile-arcs -ftest-coverage")
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set(CODE_COVERAGE_LDFLAGS "-lgcov")
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add_definitions(-DNDEBUG)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${CODE_COVERAGE_CFLAGS}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CODE_COVERAGE_CFLAGS}")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${CODE_COVERAGE_LDFLAGS}")
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set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${CODE_COVERAGE_LDFLAGS}")
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${CODE_COVERAGE_LDFLAGS}")
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set(CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS} ${CODE_COVERAGE_LDFLAGS}")
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else(HAVE_GCOV_LIBRARY)
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message(FATAL_ERROR "Cannot fing gcov library, use -DENABLE_CODE_COVERAGE=OFF disable it")
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endif(HAVE_GCOV_LIBRARY)
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else("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU")
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message(FATAL_ERROR "Code coverage requires gcc compiler, use -DENABLE_CODE_COVERAGE=OFF disable it")
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endif("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU")
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else(ENABLE_CODE_COVERAGE)
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set(CODE_COVERAGE_DEFINES "")
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set(CODE_COVERAGE_CFLAGS "")
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set(CODE_COVERAGE_CXXFLAGS "")
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set(CODE_COVERAGE_LDFLAGS "")
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endif(ENABLE_CODE_COVERAGE)
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