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# CMake module to search for GEOS library
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#
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# If it's found it sets GEOS_FOUND to TRUE
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# and following variables are set:
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# GEOS_INCLUDE_DIR
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# GEOS_LIBRARY
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#
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# Mateusz Loskot <[email protected]>
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# (based in FindGDAL.cmake by Magnus Homann)
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IF(WIN32)
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# FIND_PATH and FIND_LIBRARY normally search standard locations
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# before the specified paths. To search non-standard paths first,
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# FIND_* is invoked first with specified paths and NO_DEFAULT_PATH
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# and then again with no specified paths to search the default
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# locations. When an earlier FIND_* succeeds, subsequent FIND_*s
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# searching for the same item do nothing.
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FIND_PATH(GEOS_INCLUDE_DIR geos_c.h
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"$ENV{LIB_DIR}/include"
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#mingw
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c:/msys/local/include
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NO_DEFAULT_PATH
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)
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FIND_PATH(GEOS_INCLUDE_DIR geos_c.h)
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IF (MINGW)
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FIND_PATH(GEOS_INCLUDE_DIR geos_c.h /usr/local/include /usr/include c:/msys/local/include)
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FIND_LIBRARY(GEOS_LIBRARY NAMES geos_c PATHS /usr/local/lib /usr/lib c:/msys/local/lib)
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ENDIF (MINGW)
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FIND_LIBRARY(GEOS_LIBRARY NAMES geos_c PATHS
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"$ENV{LIB_DIR}/lib"
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#mingw
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c:/msys/local/lib
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NO_DEFAULT_PATH
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)
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FIND_LIBRARY(GEOS_LIBRARY NAMES geos_c)
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IF (MSVC)
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SET (
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GEOS_INCLUDE_DIR
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"$ENV{LIB_DIR}/include"
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CACHE STRING INTERNAL
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)
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SET (
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GEOS_LIBRARY
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"$ENV{LIB_DIR}/lib/geos_c.lib";odbc32;odbccp32
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CACHE STRING INTERNAL)
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ENDIF (MSVC)
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ELSE(WIN32)
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IF(UNIX)
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# try to use framework on mac
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IF (APPLE)
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SET (GEOS_MAC_PATH /Library/Frameworks/GEOS.framework/unix/bin)
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ENDIF (APPLE)
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SET(GEOS_CONFIG_PREFER_PATH "$ENV{GEOS_HOME}/bin" CACHE STRING "preferred path to GEOS (geos-config)")
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FIND_PROGRAM(GEOS_CONFIG geos-config
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${GEOS_CONFIG_PREFER_PATH}
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${GEOS_MAC_PATH}
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/usr/local/bin/
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/usr/bin/
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)
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#MESSAGE("DBG GEOS_CONFIG ${GEOS_CONFIG}")
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IF (GEOS_CONFIG)
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# set INCLUDE_DIR to prefix+include
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EXEC_PROGRAM(${GEOS_CONFIG}
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ARGS --prefix
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OUTPUT_VARIABLE GEOS_PREFIX)
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FIND_PATH(GEOS_INCLUDE_DIR
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geos_c.h
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${GEOS_PREFIX}/include
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/usr/local/include
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/usr/include
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)
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## extract link dirs for rpath
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EXEC_PROGRAM(${GEOS_CONFIG}
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ARGS --libs
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OUTPUT_VARIABLE GEOS_CONFIG_LIBS )
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## split off the link dirs (for rpath)
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## use regular expression to match wildcard equivalent "-L*<endchar>"
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## with <endchar> is a space or a semicolon
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STRING(REGEX MATCHALL "[-][L]([^ ;])+"
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GEOS_LINK_DIRECTORIES_WITH_PREFIX
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"${GEOS_CONFIG_LIBS}" )
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#MESSAGE("DBG GEOS_LINK_DIRECTORIES_WITH_PREFIX=${GEOS_LINK_DIRECTORIES_WITH_PREFIX}")
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## remove prefix -L because we need the pure directory for LINK_DIRECTORIES
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IF (GEOS_LINK_DIRECTORIES_WITH_PREFIX)
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STRING(REGEX REPLACE "[-][L]" "" GEOS_LINK_DIRECTORIES ${GEOS_LINK_DIRECTORIES_WITH_PREFIX} )
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ENDIF (GEOS_LINK_DIRECTORIES_WITH_PREFIX)
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### XXX - mloskot: geos-config --libs does not return -lgeos_c, so set it manually
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## split off the name
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## use regular expression to match wildcard equivalent "-l*<endchar>"
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## with <endchar> is a space or a semicolon
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#STRING(REGEX MATCHALL "[-][l]([^ ;])+"
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# GEOS_LIB_NAME_WITH_PREFIX
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# "${GEOS_CONFIG_LIBS}" )
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#MESSAGE("DBG GEOS_CONFIG_LIBS=${GEOS_CONFIG_LIBS}")
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#MESSAGE("DBG GEOS_LIB_NAME_WITH_PREFIX=${GEOS_LIB_NAME_WITH_PREFIX}")
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SET(GEOS_LIB_NAME_WITH_PREFIX -lgeos_c CACHE STRING INTERNAL)
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## remove prefix -l because we need the pure name
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IF (GEOS_LIB_NAME_WITH_PREFIX)
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STRING(REGEX REPLACE "[-][l]" "" GEOS_LIB_NAME ${GEOS_LIB_NAME_WITH_PREFIX} )
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ENDIF (GEOS_LIB_NAME_WITH_PREFIX)
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#MESSAGE("DBG GEOS_LIB_NAME=${GEOS_LIB_NAME}")
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IF (APPLE)
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SET(GEOS_LIBRARY ${GEOS_LINK_DIRECTORIES}/lib${GEOS_LIB_NAME}.dylib CACHE STRING INTERNAL)
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ELSE (APPLE)
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SET(GEOS_LIBRARY ${GEOS_LINK_DIRECTORIES}/lib${GEOS_LIB_NAME}.so CACHE STRING INTERNAL)
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ENDIF (APPLE)
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#MESSAGE("DBG GEOS_LIBRARY=${GEOS_LIBRARY}")
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ELSE(GEOS_CONFIG)
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MESSAGE("FindGEOS.cmake: geos-config not found. Please set it manually. GEOS_CONFIG=${GEOS_CONFIG}")
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ENDIF(GEOS_CONFIG)
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ENDIF(UNIX)
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ENDIF(WIN32)
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IF (GEOS_INCLUDE_DIR AND GEOS_LIBRARY)
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SET(GEOS_FOUND TRUE)
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ENDIF (GEOS_INCLUDE_DIR AND GEOS_LIBRARY)
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IF (GEOS_FOUND)
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IF (NOT GEOS_FIND_QUIETLY)
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ELSE (GEOS_FOUND)
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IF (GEOS_FIND_REQUIRED)
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MESSAGE(FATAL_ERROR "Could not find GEOS")
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ENDIF (GEOS_FIND_REQUIRED)
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MESSAGE(GEOS_INCLUDE_DIR=${GEOS_INCLUDE_DIR})
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MESSAGE(GEOS_LIBRARY=${GEOS_LIBRARY})
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MESSAGE(FATAL_ERROR "Could not find GEOS")
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ENDIF (GEOS_FOUND)
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