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85 lines
3.3 KiB
CMake
85 lines
3.3 KiB
CMake
# Find Proj
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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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#
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# CMake module to search for Proj library
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#
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# If it's found it sets PROJ_FOUND to TRUE
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# and adds the following target
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#
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# PROJ::proj
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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_package(PROJ CONFIG)
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# Fallback for systems where proj-targets.cmake is not present.
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if(NOT PROJ_FOUND)
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# try to use framework on mac
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# want clean framework path, not unix compatibility path
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IF (APPLE)
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IF (CMAKE_FIND_FRAMEWORK MATCHES "FIRST"
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OR CMAKE_FRAMEWORK_PATH MATCHES "ONLY"
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OR NOT CMAKE_FIND_FRAMEWORK)
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SET (CMAKE_FIND_FRAMEWORK_save ${CMAKE_FIND_FRAMEWORK} CACHE STRING "" FORCE)
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SET (CMAKE_FIND_FRAMEWORK "ONLY" CACHE STRING "" FORCE)
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FIND_LIBRARY(PROJ_LIBRARY PROJ)
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IF (PROJ_LIBRARY)
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# FIND_PATH doesn't add "Headers" for a framework
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SET (PROJ_INCLUDE_DIR ${PROJ_LIBRARY}/Headers CACHE PATH "Path to a file.")
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ENDIF (PROJ_LIBRARY)
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SET (CMAKE_FIND_FRAMEWORK ${CMAKE_FIND_FRAMEWORK_save} CACHE STRING "" FORCE)
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ENDIF ()
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ENDIF (APPLE)
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FIND_PATH(PROJ_INCLUDE_DIR proj.h
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"$ENV{INCLUDE}"
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"$ENV{LIB_DIR}/include"
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)
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FIND_LIBRARY(PROJ_LIBRARY NAMES proj_i proj PATHS
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"$ENV{LIB}"
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"$ENV{LIB_DIR}/lib"
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)
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IF (PROJ_INCLUDE_DIR AND PROJ_LIBRARY)
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SET(PROJ_FOUND TRUE)
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ENDIF (PROJ_INCLUDE_DIR AND PROJ_LIBRARY)
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IF (PROJ_FOUND)
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IF (EXISTS ${PROJ_INCLUDE_DIR}/proj.h AND EXISTS ${PROJ_INCLUDE_DIR}/proj_experimental.h)
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FILE(READ ${PROJ_INCLUDE_DIR}/proj.h proj_version)
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STRING(REGEX REPLACE "^.*PROJ_VERSION_MAJOR +([0-9]+).*$" "\\1" PROJ_VERSION_MAJOR "${proj_version}")
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STRING(REGEX REPLACE "^.*PROJ_VERSION_MINOR +([0-9]+).*$" "\\1" PROJ_VERSION_MINOR "${proj_version}")
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STRING(REGEX REPLACE "^.*PROJ_VERSION_PATCH +([0-9]+).*$" "\\1" PROJ_VERSION_PATCH "${proj_version}")
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STRING(CONCAT PROJ_VERSION_STR "(" ${PROJ_VERSION_MAJOR} "." ${PROJ_VERSION_MINOR} "." ${PROJ_VERSION_PATCH} ")")
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ENDIF(EXISTS ${PROJ_INCLUDE_DIR}/proj.h AND EXISTS ${PROJ_INCLUDE_DIR}/proj_experimental.h)
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IF (NOT PROJ_FIND_QUIETLY)
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MESSAGE(STATUS "Found Proj: ${PROJ_LIBRARY} version ${PROJ_VERSION_MAJOR} ${PROJ_VERSION_STR}")
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ENDIF (NOT PROJ_FIND_QUIETLY)
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SET(PROJ_VERSION ${PROJ_VERSION_MAJOR}.${PROJ_VERSION_MINOR}.${PROJ_VERSION_PATCH})
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INCLUDE_DIRECTORIES(BEFORE SYSTEM ${PROJ_INCLUDE_DIR})
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add_library(PROJ::proj UNKNOWN IMPORTED)
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target_link_libraries(PROJ::proj INTERFACE ${PROJ_LIBRARY})
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target_include_directories(PROJ::proj INTERFACE ${PROJ_INCLUDE_DIR})
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set_target_properties(PROJ::proj PROPERTIES IMPORTED_LOCATION ${PROJ_LIBRARY})
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ELSE (PROJ_FOUND)
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IF (PROJ_FIND_REQUIRED)
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MESSAGE(FATAL_ERROR "Could not find Proj")
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ENDIF (PROJ_FIND_REQUIRED)
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ENDIF (PROJ_FOUND)
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endif()
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