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44 lines
1.1 KiB
CMake
44 lines
1.1 KiB
CMake
# flex a .ll file
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# search flex
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MACRO(FIND_FLEX)
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IF(NOT FLEX_EXECUTABLE)
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IF (MSVC)
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FIND_PROGRAM(FLEX_EXECUTABLE
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NAMES flex.exe
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PATHS $ENV{LIB_DIR}/bin $ENV{PROGRAMFILES}/GnuWin32/bin
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)
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ELSE(MSVC)
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FIND_PROGRAM(FLEX_EXECUTABLE flex)
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ENDIF (MSVC)
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IF (NOT FLEX_EXECUTABLE)
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MESSAGE(FATAL_ERROR "flex not found - aborting")
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ENDIF (NOT FLEX_EXECUTABLE)
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ENDIF(NOT FLEX_EXECUTABLE)
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ENDMACRO(FIND_FLEX)
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MACRO(ADD_FLEX_FILES _sources )
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FIND_FLEX()
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FOREACH (_current_FILE ${ARGN})
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GET_FILENAME_COMPONENT(_in ${_current_FILE} ABSOLUTE)
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GET_FILENAME_COMPONENT(_basename ${_current_FILE} NAME_WE)
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SET(_out ${CMAKE_CURRENT_BINARY_DIR}/flex_${_basename}.cpp)
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# -d option for flex means that it will produce output to stderr while analyzing
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ADD_CUSTOM_COMMAND(
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OUTPUT ${_out}
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COMMAND ${FLEX_EXECUTABLE}
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ARGS
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-o${_out} -d
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${_in}
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DEPENDS ${_in}
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)
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SET(${_sources} ${${_sources}} ${_out} )
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ENDFOREACH (_current_FILE)
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ENDMACRO(ADD_FLEX_FILES)
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