mirror of
https://github.com/qgis/QGIS.git
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a456530777
(it's known not to work correctly with 1.28) git-svn-id: http://svn.osgeo.org/qgis/trunk@6524 c8812cc2-4d05-0410-92ff-de0c093fc19c
55 lines
1.8 KiB
CMake
55 lines
1.8 KiB
CMake
# use bison for .yy files
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# search for bison
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MACRO(FIND_BISON)
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IF(NOT BISON_EXECUTABLE)
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FIND_PROGRAM(BISON_EXECUTABLE bison)
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IF (NOT BISON_EXECUTABLE)
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MESSAGE(FATAL_ERROR "Bison not found - aborting")
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ELSE (NOT BISON_EXECUTABLE)
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EXEC_PROGRAM(${BISON_EXECUTABLE} ARGS --version OUTPUT_VARIABLE BISON_VERSION_STR)
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# get first line in case it's multiline
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STRING(REGEX REPLACE "([^\n]+).*" "\\1" FIRST_LINE "${BISON_VERSION_STR}")
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# get version information
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STRING(REGEX REPLACE ".* ([0-9]+)\\.([0-9]+)" "\\1" BISON_VERSION_MAJOR "${FIRST_LINE}")
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STRING(REGEX REPLACE ".* ([0-9]+)\\.([0-9]+)" "\\2" BISON_VERSION_MINOR "${FIRST_LINE}")
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IF (BISON_VERSION_MAJOR LESS 2)
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MESSAGE (FATAL_ERROR "Bison version is too old (${BISON_VERSION_MAJOR}.${BISON_VERSION_MINOR}). Use 2.0 or higher.")
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ENDIF (BISON_VERSION_MAJOR LESS 2)
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ENDIF (NOT BISON_EXECUTABLE)
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ENDIF(NOT BISON_EXECUTABLE)
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ENDMACRO(FIND_BISON)
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MACRO(ADD_BISON_FILES _sources )
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FIND_BISON()
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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 ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.cpp)
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# bison options:
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# -t add debugging facilities
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# -d produce additional header file (used in parser.l)
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# -v produce additional *.output file with parser states
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ADD_CUSTOM_COMMAND(
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OUTPUT ${_out}
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COMMAND ${BISON_EXECUTABLE}
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ARGS
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-o${_out} -d -v -t
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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_BISON_FILES)
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