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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
19 lines
712 B
CMake
19 lines
712 B
CMake
include(Platform/Windows-Clang)
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__windows_compiler_clang(C)
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if("x${MAKE_C_COMPILER_FRONTEND_VARIANT}" STREQUAL "xMSVC")
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if((NOT DEFINED CMAKE_DEPENDS_USE_COMPILER OR CMAKE_DEPENDS_USE_COMPILER)
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AND CMAKE_GENERATOR MATCHES "Makefiles|WMake"
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AND CMAKE_DEPFILE_FLAGS_C)
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set(CMAKE_C_DEPENDS_USE_COMPILER TRUE)
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endif()
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elseif("x${CMAKE_C_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_C)
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# dependencies are computed by the compiler itself
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set(CMAKE_C_DEPFILE_FORMAT gcc)
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set(CMAKE_C_DEPENDS_USE_COMPILER TRUE)
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endif()
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endif()
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