mirror of https://github.com/CGAL/cgal
92 lines
3.0 KiB
CMake
92 lines
3.0 KiB
CMake
#
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# The following module is based on FindVTK.cmake
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#
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# - Find a CGAL installation or binary tree.
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# The following variables are set if CGAL is found. If CGAL is not
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# found, CGAL_FOUND is set to false.
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#
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# CGAL_FOUND - Set to true when CGAL is found.
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# CGAL_USE_FILE - CMake file to use CGAL.
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#
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# Construct consitent error messages for use below.
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set(CGAL_DIR_DESCRIPTION "directory containing CGALConfig.cmake. This is either the binary directory where CGAL was configured or PREFIX/lib/CGAL for an installation.")
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set(CGAL_DIR_MESSAGE "CGAL not found. Set the CGAL_DIR cmake variable or environment variable to the ${CGAL_DIR_DESCRIPTION}")
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set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
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if ( NOT CGAL_DIR )
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# Get the system search path as a list.
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if(UNIX)
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string(REGEX MATCHALL "[^:]+" CGAL_DIR_SEARCH1 "$ENV{PATH}")
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else()
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string(REGEX REPLACE "\\\\" "/" CGAL_DIR_SEARCH1 "$ENV{PATH}")
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endif()
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string(REGEX REPLACE "/;" ";" CGAL_DIR_SEARCH2 "${CGAL_DIR_SEARCH1}")
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# Construct a set of paths relative to the system search path.
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set(CGAL_DIR_SEARCH "")
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foreach(dir ${CGAL_DIR_SEARCH2})
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set(CGAL_DIR_SEARCH ${CGAL_DIR_SEARCH} ${dir}/../lib/CGAL )
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endforeach()
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#
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# Look for an installation or build tree.
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#
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find_path(CGAL_DIR CGALConfig.cmake
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# Look for an environment variable CGAL_DIR.
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$ENV{CGAL_DIR}
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# Look in places relative to the system executable search path.
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${CGAL_DIR_SEARCH}
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# Look in standard UNIX install locations.
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/usr/local/lib/CGAL
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/usr/lib/CGAL
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# Read from the CMakeSetup registry entries. It is likely that
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# CGAL will have been recently built.
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild1]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild2]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild3]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild4]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild5]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild6]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild7]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild8]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild9]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild10]
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# Help the user find it if we cannot.
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DOC "The ${CGAL_DIR_DESCRIPTION}"
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)
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endif()
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if ( CGAL_DIR )
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if ( EXISTS "${CGAL_DIR}/CGALConfig.cmake" )
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include( "${CGAL_DIR}/CGALConfig.cmake" )
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set( CGAL_FOUND TRUE )
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endif()
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endif()
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if( NOT CGAL_FOUND)
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if(CGAL_FIND_REQUIRED)
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MESSAGE(FATAL_ERROR ${CGAL_DIR_MESSAGE})
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else()
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if(NOT CGAL_FIND_QUIETLY)
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MESSAGE(STATUS ${CGAL_DIR_MESSAGE})
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endif()
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endif()
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endif()
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