f44df93a9c
This isn't required when building with Ninja, but with the Makefile generator these directories don't get implicitly created.
50 lines
2.1 KiB
CMake
50 lines
2.1 KiB
CMake
# We want to clang-format the generated files if possible, since OffloadAPI.h is
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# the main public header for liboffload. Generate them in a temporary location,
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# then clang-format and copy them to the proper location. If clang-format is
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# missing just copy them.
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# Ideally we'd just clang-format them in place and avoid the copy but cmake
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# gets confused about the same path being a byproduct of two custom commands.
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set(LLVM_TARGET_DEFINITIONS ${CMAKE_CURRENT_SOURCE_DIR}/OffloadAPI.td)
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set(files_to_copy "")
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file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/generated)
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macro(offload_tablegen file)
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tablegen(OFFLOAD generated/${file}.gen ${ARGN})
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list(APPEND files_to_copy ${file})
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endmacro()
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offload_tablegen(OffloadAPI.h -gen-api)
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offload_tablegen(OffloadEntryPoints.inc -gen-entry-points)
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offload_tablegen(OffloadFuncs.inc -gen-func-names)
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offload_tablegen(OffloadImplFuncDecls.inc -gen-impl-func-decls)
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offload_tablegen(OffloadPrint.hpp -gen-print-header)
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add_public_tablegen_target(OffloadGenerate)
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add_custom_target(OffloadAPI DEPENDS OffloadGenerate)
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find_program(clang_format clang-format PATHS ${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH)
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if (clang_format)
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foreach(file IN LISTS files_to_copy)
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add_custom_command(
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OUTPUT ${file}
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COMMAND ${clang_format} -i generated/${file}.gen
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COMMAND ${CMAKE_COMMAND} -E copy_if_different generated/${file}.gen ${CMAKE_CURRENT_BINARY_DIR}/${file}
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DEPENDS generated/${file}.gen
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)
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add_custom_target(OffloadAPI.${file} DEPENDS ${file})
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add_dependencies(OffloadAPI OffloadAPI.${file})
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endforeach()
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else()
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message(WARNING "clang-format not found, the generated Offload API headers will not be formatted")
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foreach(file IN LISTS files_to_copy)
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add_custom_command(
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OUTPUT ${file}
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COMMAND ${CMAKE_COMMAND} -E copy_if_different generated/${file}.gen ${CMAKE_CURRENT_BINARY_DIR}/${file}
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DEPENDS generated/${file}.gen
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)
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add_custom_target(OffloadAPI.${file} DEPENDS ${file})
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add_dependencies(OffloadAPI OffloadAPI.${file})
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endforeach()
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endif()
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