61 lines
2.2 KiB
CMake
61 lines
2.2 KiB
CMake
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# This config-module creates the following import libraries:
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#
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# - GLEW::glew shared lib
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# - GLEW::glew_s static lib
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#
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# Additionally GLEW::GLEW will be created as an
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# copy of either the shared (default) or the static libs.
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#
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# Dependending on the setting of BUILD_SHARED_LIBS at GLEW build time
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# either the static or shared versions may not be available.
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#
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# Set GLEW_USE_STATIC_LIBS to OFF or ON to force using the shared
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# or static lib for GLEW::GLEW
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#
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include(${CMAKE_CURRENT_LIST_DIR}/glew-targets.cmake)
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include(${CMAKE_CURRENT_LIST_DIR}/CopyImportedTargetProperties.cmake)
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# decide which import library (glew/glew_s)
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# needs to be copied to GLEW::GLEW
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set(_glew_target_postfix "")
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set(_glew_target_type SHARED)
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if(DEFINED GLEW_USE_STATIC_LIBS)
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# if defined, use only static or shared
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if(GLEW_USE_STATIC_LIBS)
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set(_glew_target_postfix "_s")
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endif()
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# else use static only if no shared
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elseif(NOT TARGET GLEW::glew AND TARGET GLEW::glew_s)
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set(_glew_target_postfix "_s")
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endif()
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if(_glew_target_postfix STREQUAL "")
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set(_glew_target_type SHARED)
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else()
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set(_glew_target_type STATIC)
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endif()
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# CMake doesn't allow creating ALIAS lib for an IMPORTED lib
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# so create imported ones and copy the properties
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foreach(_glew_target glew)
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set(_glew_src_target "GLEW::${_glew_target}${_glew_target_postfix}")
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string(TOUPPER "GLEW::${_glew_target}" _glew_dest_target)
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if(TARGET ${_glew_dest_target})
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get_target_property(_glew_previous_src_target ${_glew_dest_target}
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_GLEW_SRC_TARGET)
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if(NOT _glew_previous_src_target STREQUAL _glew_src_target)
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message(FATAL_ERROR "find_package(GLEW) was called the second time with "
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"different GLEW_USE_STATIC_LIBS setting. Previously, "
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"`glew-config.cmake` created ${_glew_dest_target} as a copy of "
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"${_glew_previous_src_target}. Now it attempted to copy it from "
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"${_glew_src_target}. ")
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endif()
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else()
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add_library(${_glew_dest_target} ${_glew_target_type} IMPORTED)
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# message(STATUS "add_library(${_glew_dest_target} ${_glew_target_type} IMPORTED)")
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copy_imported_target_properties(${_glew_src_target} ${_glew_dest_target})
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set_target_properties(${_glew_dest_target} PROPERTIES
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_GLEW_SRC_TARGET ${_glew_src_target})
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endif()
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endforeach()
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