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26 lines
882 B
CMake
26 lines
882 B
CMake
# bison
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# execute FindBISON script by "find_package (Bison)" is required to define BISON_TARGET macro
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# delete obsolete 3RDPARTY_BISON_EXECUTABLE cache variable (not used anymore)
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unset (3RDPARTY_BISON_EXECUTABLE CACHE)
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# delete BISON_EXECUTABLE cache variable if it is empty, otherwise find_package will fail
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# without reasonable diagnostic
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if (NOT BISON_EXECUTABLE OR NOT EXISTS "${BISON_EXECUTABLE}")
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unset (BISON_EXECUTABLE CACHE)
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endif()
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# Add paths to 3rdparty subfolders containing name "bison" to CMAKE_PROGRAM_PATH variable to make
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# these paths searched by find_package
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if (3RDPARTY_DIR)
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file (GLOB BISON_PATHS LIST_DIRECTORIES true "${3RDPARTY_DIR}/*bison*/")
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foreach (candidate_path ${BISON_PATHS})
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if (IS_DIRECTORY ${candidate_path})
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list (APPEND CMAKE_PROGRAM_PATH ${candidate_path})
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endif()
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endforeach()
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endif()
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find_package (BISON 3.7.4)
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