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76 lines
2.2 KiB
CMake
76 lines
2.2 KiB
CMake
#
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# (c)2015 KiCad Developers
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# (c)2015 Brian Sidebotham <brian.sidebotham@gmail.com>
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#
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# CMake module to find a2x (part of the asciidoc toolchain).
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#
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# Variables generated:
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#
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# A2X_FOUND true when A2X_COMMAND is valid
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# A2X_COMMAND The command to run a2x (may be a list including an interpreter)
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# A2X_VERSION The a2x version that has been found
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#
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# Have a go at finding a a2x executable
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find_program( A2X_PROGRAM a2x )
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# Found something, attempt to try and use it...
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if( A2X_PROGRAM )
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execute_process(
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COMMAND ${A2X_PROGRAM} --version
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OUTPUT_VARIABLE _OUT
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ERROR_VARIABLE _ERR
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RESULT_VARIABLE _RES
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OUTPUT_STRIP_TRAILING_WHITESPACE )
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# If it worked, set the A2X_COMMAND
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if( _RES MATCHES 0 )
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set( A2X_COMMAND "${A2X_PROGRAM}" )
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endif()
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endif()
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# If nothing could be found, test to see if we can just find the script file,
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# that we'll then run with the python interpreter
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if( NOT A2X_COMMAND )
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find_file( A2X_SCRIPT a2x.py )
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if( A2X_SCRIPT )
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# Find the python interpreter quietly
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if( NOT PYTHONINTERP_FOUND )
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find_package( PYTHONINTERP QUIET )
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endif()
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if( NOT PYTHONINTERP_FOUND )
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# Python's not available so can't find a2x...
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set( A2X_COMMAND "" )
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else()
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# Build the python based command
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set( A2X_COMMAND "${PYTHON_EXECUTABLE}" "${A2X_SCRIPT}" )
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execute_process(
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COMMAND ${A2X_COMMAND} --version
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OUTPUT_VARIABLE _OUT
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ERROR_VARIABLE _ERR
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RESULT_VARIABLE _RES
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OUTPUT_STRIP_TRAILING_WHITESPACE )
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# If it still can't be run, then give up
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if( NOT _RES MATCHES 0 )
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set( A2X_COMMAND "" )
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endif()
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endif()
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endif()
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endif()
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# If we've found a command that works, check the version
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if( A2X_COMMAND )
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string(REGEX REPLACE ".*a2x[^0-9.]*\([0-9.]+\).*" "\\1" A2X_VERSION "${_OUT}")
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endif()
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# Generate the *_FOUND as necessary, etc.
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include( FindPackageHandleStandardArgs )
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find_package_handle_standard_args(
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A2X
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REQUIRED_VARS A2X_COMMAND
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VERSION_VAR A2X_VERSION )
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