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112 lines
3.3 KiB
CMake
112 lines
3.3 KiB
CMake
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# macro that checks for grass installation in specified directory
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MACRO (CHECK_GRASS G_PREFIX)
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FIND_PATH (GRASS_INCLUDE_DIR grass/version.h ${G_PREFIX}/include)
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SET (GRASS_LIB_NAMES gis vect dig2 dbmiclient dbmibase shape dgl rtree datetime linkm form gproj)
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SET (GRASS_LIBRARIES "")
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FOREACH (LIB ${GRASS_LIB_NAMES})
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SET(LIB_PATH NOTFOUND)
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FIND_LIBRARY(LIB_PATH NAMES grass_${LIB} PATHS ${G_PREFIX}/lib NO_DEFAULT_PATH)
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IF (LIB_PATH)
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IF (NOT GRASS_LIBRARIES STREQUAL NOTFOUND)
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SET (GRASS_LIBRARIES ${GRASS_LIBRARIES} ${LIB_PATH})
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ENDIF (NOT GRASS_LIBRARIES STREQUAL NOTFOUND)
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ELSE (LIB_PATH)
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SET (GRASS_LIBRARIES NOTFOUND)
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ENDIF (LIB_PATH)
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ENDFOREACH (LIB)
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# LIB_PATH is only temporary variable, so hide it (is it possible to delete a variable?)
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MARK_AS_ADVANCED(LIB_PATH)
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IF (GRASS_INCLUDE_DIR AND GRASS_LIBRARIES)
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SET (GRASS_FOUND TRUE)
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SET (GRASS_PREFIX ${G_PREFIX})
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ENDIF (GRASS_INCLUDE_DIR AND GRASS_LIBRARIES)
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MARK_AS_ADVANCED (
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GRASS_INCLUDE_DIR
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GRASS_LIBRARIES
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)
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ENDMACRO (CHECK_GRASS)
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###################################
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# search for grass installations
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# list of paths which to search - user's choice as first
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SET (GRASS_PATHS ${GRASS_PREFIX} /usr/lib/grass c:/msys/local)
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# mac-specific path
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IF (APPLE)
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SET (GRASS_PATHS ${GRASS_PATHS}
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/Applications/GRASS-6.3.app/Contents/MacOS
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/Applications/GRASS.app/Contents/Resources
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)
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ENDIF (APPLE)
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IF (WITH_GRASS)
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FOREACH (G_PREFIX ${GRASS_PATHS})
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IF (NOT GRASS_FOUND)
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CHECK_GRASS(${G_PREFIX})
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ENDIF (NOT GRASS_FOUND)
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ENDFOREACH (G_PREFIX)
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ENDIF (WITH_GRASS)
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###################################
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IF (GRASS_FOUND)
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FILE(READ ${GRASS_INCLUDE_DIR}/grass/version.h VERSIONFILE)
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# We can avoid the following block using version_less version_equal and
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# version_greater. Are there compatibility problems?
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STRING(REGEX MATCH "[0-9]+\\.[0-9]+\\.[^ ]+" GRASS_VERSION ${VERSIONFILE})
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STRING(REGEX REPLACE "^([0-9]*)\\.[0-9]*\\..*$" "\\1" GRASS_MAJOR_VERSION ${GRASS_VERSION})
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STRING(REGEX REPLACE "^[0-9]*\\.([0-9]*)\\..*$" "\\1" GRASS_MINOR_VERSION ${GRASS_VERSION})
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STRING(REGEX REPLACE "^[0-9]*\\.[0-9]*\\.(.*)$" "\\1" GRASS_MICRO_VERSION ${GRASS_VERSION})
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# Add micro version too?
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# How to numerize RC versions?
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MATH( EXPR GRASS_NUM_VERSION "${GRASS_MAJOR_VERSION}*10000 + ${GRASS_MINOR_VERSION}*100")
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IF (NOT GRASS_FIND_QUIETLY)
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MESSAGE(STATUS "Found GRASS: ${GRASS_PREFIX} (${GRASS_VERSION})")
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ENDIF (NOT GRASS_FIND_QUIETLY)
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# openpty is currently needed for GRASS shell
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INCLUDE(CheckFunctionExists)
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IF (APPLE)
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SET (CMAKE_REQUIRED_INCLUDES util.h)
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ELSE (APPLE)
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SET (CMAKE_REQUIRED_INCLUDES pty.h)
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SET (CMAKE_REQUIRED_LIBRARIES util)
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ENDIF (APPLE)
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CHECK_FUNCTION_EXISTS(openpty HAVE_OPENPTY)
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# add 'util' library to the dependencies
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IF (HAVE_OPENPTY AND NOT APPLE)
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FIND_LIBRARY(OPENPTY_LIBRARY NAMES util PATHS /usr/local/lib /usr/lib c:/msys/local/lib)
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SET (GRASS_LIBRARIES ${GRASS_LIBRARIES} ${OPENPTY_LIBRARY})
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ENDIF (HAVE_OPENPTY AND NOT APPLE)
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ELSE (GRASS_FOUND)
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IF (WITH_GRASS)
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IF (GRASS_FIND_REQUIRED)
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MESSAGE(FATAL_ERROR "Could not find GRASS")
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ELSE (GRASS_FIND_REQUIRED)
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MESSAGE(STATUS "Could not find GRASS")
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ENDIF (GRASS_FIND_REQUIRED)
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ENDIF (WITH_GRASS)
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ENDIF (GRASS_FOUND)
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