FindGLEW.cmake 2.56 KB
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#.rst:
# FindGLEW
# --------
#
# Find the OpenGL Extension Wrangler Library (GLEW)
#
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# IMPORTED Targets
# ^^^^^^^^^^^^^^^^
#
# This module defines the :prop_tgt:`IMPORTED` target ``GLEW::GLEW``,
# if GLEW has been found.
#
# Result Variables
# ^^^^^^^^^^^^^^^^
#
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# This module defines the following variables:
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#
# ::
#
#   GLEW_INCLUDE_DIRS - include directories for GLEW
#   GLEW_LIBRARIES - libraries to link against GLEW
#   GLEW_FOUND - true if GLEW has been found and can be used
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#=============================================================================
# Copyright 2012 Benjamin Eikel
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
#  License text for the above reference.)

find_path(GLEW_INCLUDE_DIR GL/glew.h)

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if(NOT GLEW_LIBRARY)
  find_library(GLEW_LIBRARY_RELEASE NAMES GLEW glew32 glew glew32s PATH_SUFFIXES lib64)
  find_library(GLEW_LIBRARY_DEBUG NAMES GLEWd glew32d glewd PATH_SUFFIXES lib64)

  include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake)
  select_library_configurations(GLEW)
endif ()
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
find_package_handle_standard_args(GLEW
                                  REQUIRED_VARS GLEW_INCLUDE_DIR GLEW_LIBRARY)

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if(GLEW_FOUND)
  set(GLEW_INCLUDE_DIRS ${GLEW_INCLUDE_DIR})

  if(NOT GLEW_LIBRARIES)
    set(GLEW_LIBRARIES ${GLEW_LIBRARY})
  endif()

  if (NOT TARGET GLEW::GLEW)
    add_library(GLEW::GLEW UNKNOWN IMPORTED)
    set_target_properties(GLEW::GLEW PROPERTIES
      INTERFACE_INCLUDE_DIRECTORIES "${GLEW_INCLUDE_DIRS}")

    if(GLEW_LIBRARY_RELEASE)
      set_property(TARGET GLEW::GLEW APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
      set_target_properties(GLEW::GLEW PROPERTIES IMPORTED_LOCATION_RELEASE "${GLEW_LIBRARY_RELEASE}")
    endif()

    if(GLEW_LIBRARY_DEBUG)
      set_property(TARGET GLEW::GLEW APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
      set_target_properties(GLEW::GLEW PROPERTIES IMPORTED_LOCATION_DEBUG "${GLEW_LIBRARY_DEBUG}")
    endif()

    if(NOT GLEW_LIBRARY_RELEASE AND NOT GLEW_LIBRARY_DEBUG)
      set_property(TARGET GLEW::GLEW APPEND PROPERTY IMPORTED_LOCATION "${GLEW_LIBRARY}")
    endif()
  endif()
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endif()

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mark_as_advanced(GLEW_INCLUDE_DIR)