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90 lines
2.5 KiB
CMake
90 lines
2.5 KiB
CMake
# Macros for Bison
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# ~~~~~~~~~~~~~~~~
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# Copyright (c) 2007, Martin Dobias <wonder.sk at gmail.com>
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# Redistribution and use is allowed according to the terms of the BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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# 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 c:/cygwin/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}
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${_in}
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DEPENDS ${_in}
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)
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SET(${_sources} ${${_sources}} ${_out} )
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# Disable warnings
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IF(MSVC)
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SET_SOURCE_FILES_PROPERTIES(${_out} PROPERTIES COMPILE_FLAGS /W0)
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ELSE(MSVC)
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SET_SOURCE_FILES_PROPERTIES(${_out} PROPERTIES COMPILE_FLAGS -w)
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ENDIF(MSVC)
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ENDFOREACH (_current_FILE)
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ENDMACRO(ADD_FLEX_FILES)
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MACRO(ADD_FLEX_FILES_PREFIX _sources prefix )
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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 ${FLEX_EXECUTABLE}
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ARGS
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-P${prefix}
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-o${_out}
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${_in}
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DEPENDS ${_in}
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)
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SET(${_sources} ${${_sources}} ${_out} )
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# Disable warnings
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IF(MSVC)
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SET_SOURCE_FILES_PROPERTIES(${_out} PROPERTIES COMPILE_FLAGS /W0)
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ELSE(MSVC)
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SET_SOURCE_FILES_PROPERTIES(${_out} PROPERTIES COMPILE_FLAGS -w)
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ENDIF(MSVC)
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ENDFOREACH (_current_FILE)
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ENDMACRO(ADD_FLEX_FILES_PREFIX)
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