66 lines
2.0 KiB
CMake
66 lines
2.0 KiB
CMake
find_path( GLM_INCLUDE_DIR glm/glm.hpp
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PATHS ${GLM_ROOT_DIR} $ENV{GLM_ROOT_DIR}
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DOC "GLM library header path."
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)
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if( NOT ${GLM_INCLUDE_DIR} STREQUAL "GLM_INCLUDE_DIR-NOTFOUND" )
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# attempt to extract the GLM Version information from setup.hpp
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find_file( GLM_SETUP setup.hpp
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PATHS ${GLM_INCLUDE_DIR}
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PATH_SUFFIXES glm/core glm/detail
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NO_DEFAULT_PATH )
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if( NOT ${GLM_SETUP} STREQUAL "GLM_SETUP-NOTFOUND" )
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# extract the "#define GLM_VERSION*" lines
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file( STRINGS ${GLM_SETUP} _version REGEX "^#define.*GLM_VERSION.*" )
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foreach( SVAR ${_version} )
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string( REGEX MATCH GLM_VERSION_[M,A,J,O,R,I,N,P,T,C,H,E,V,I,S]* _VARNAME ${SVAR} )
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string( REGEX MATCH [0-9]+ _VALUE ${SVAR} )
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if( NOT ${_VARNAME} STREQUAL "" AND NOT ${_VALUE} STREQUAL "" )
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set( _${_VARNAME} ${_VALUE} )
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endif()
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endforeach()
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#ensure that NOT GLM_VERSION* will evaluate to '0'
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if( NOT _GLM_VERSION_MAJOR )
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set( _GLM_VERSION_MAJOR 0 )
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endif()
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if( NOT _GLM_VERSION_MINOR )
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set( _GLM_VERSION_MINOR 0 )
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endif()
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if( NOT _GLM_VERSION_PATCH )
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set( _GLM_VERSION_PATCH 0 )
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endif()
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if( NOT _GLM_VERSION_REVISION )
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set( _GLM_VERSION_REVISION 0 )
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endif()
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set( GLM_VERSION ${_GLM_VERSION_MAJOR}.${_GLM_VERSION_MINOR}.${_GLM_VERSION_PATCH}.${_GLM_VERSION_REVISION} )
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unset( GLM_SETUP CACHE )
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endif()
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endif()
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include( FindPackageHandleStandardArgs )
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FIND_PACKAGE_HANDLE_STANDARD_ARGS( GLM
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REQUIRED_VARS
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GLM_INCLUDE_DIR
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GLM_VERSION
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VERSION_VAR GLM_VERSION )
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mark_as_advanced( GLM_INCLUDE_DIR )
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set( GLM_VERSION_MAJOR ${_GLM_VERSION_MAJOR} CACHE INTERNAL "" )
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set( GLM_VERSION_MINOR ${_GLM_VERSION_MINOR} CACHE INTERNAL "" )
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set( GLM_VERSION_PATCH ${_GLM_VERSION_PATCH} CACHE INTERNAL "" )
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set( GLM_VERSION_TWEAK ${_GLM_VERSION_REVISION} CACHE INTERNAL "" )
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