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Each source compilation generates a dependencies file. These dependencies files are consolidated in one file per target. This consolidation is done as part of command 'cmake -E cmake_depends` launched before evaluation of makefile dependency graph. The consolidation uses the same approach as `CMake` dependencies management. Fixes: #21321
30 lines
994 B
CMake
30 lines
994 B
CMake
include(Compiler/Clang)
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__compiler_clang(CXX)
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__compiler_clang_cxx_standards(CXX)
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if("x${CMAKE_CXX_COMPILER_FRONTEND_VARIANT}" STREQUAL "xGNU")
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if((NOT DEFINED CMAKE_DEPENDS_USE_COMPILER OR CMAKE_DEPENDS_USE_COMPILER)
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AND CMAKE_GENERATOR MATCHES "Makefiles|WMake"
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AND CMAKE_DEPFILE_FLAGS_CXX)
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# dependencies are computed by the compiler itself
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set(CMAKE_CXX_DEPFILE_FORMAT gcc)
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set(CMAKE_CXX_DEPENDS_USE_COMPILER TRUE)
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endif()
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set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden")
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endif()
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cmake_policy(GET CMP0025 appleClangPolicy)
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if(APPLE AND NOT appleClangPolicy STREQUAL NEW)
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return()
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endif()
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if("x${CMAKE_CXX_COMPILER_FRONTEND_VARIANT}" STREQUAL "xMSVC")
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set(CMAKE_CXX_CLANG_TIDY_DRIVER_MODE "cl")
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if((NOT DEFINED CMAKE_DEPENDS_USE_COMPILER OR CMAKE_DEPENDS_USE_COMPILER)
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AND CMAKE_GENERATOR MATCHES "Makefiles"
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AND CMAKE_DEPFILE_FLAGS_CXX)
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set(CMAKE_CXX_DEPENDS_USE_COMPILER TRUE)
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endif()
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endif()
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