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14c7396fb9
FindGLEW temporarily changes the content of CMAKE_FIND_LIBRARY_SUFFIXES to look for static and dynamic GLEW library. However, it wasn't storing and restoring the initial content of such variable, causing possible issues in user project.
312 lines
9.9 KiB
CMake
312 lines
9.9 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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FindGLEW
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--------
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Find the OpenGL Extension Wrangler Library (GLEW)
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Input Variables
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^^^^^^^^^^^^^^^
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The following variables may be set to influence this module’s behavior:
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``GLEW_USE_STATIC_LIBS``
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to find and create :prop_tgt:`IMPORTED` target for static linkage.
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``GLEW_VERBOSE``
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to output a detailed log of this module.
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Imported Targets
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^^^^^^^^^^^^^^^^
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This module defines the following :ref:`Imported Targets <Imported Targets>`:
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``GLEW::glew``
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The GLEW shared library.
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``GLEW::glew_s``
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The GLEW static library, if ``GLEW_USE_STATIC_LIBS`` is set to ``TRUE``.
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``GLEW::GLEW``
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Duplicates either ``GLEW::glew`` or ``GLEW::glew_s`` based on availability.
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Result Variables
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^^^^^^^^^^^^^^^^
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This module defines the following variables:
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``GLEW_INCLUDE_DIRS``
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include directories for GLEW
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``GLEW_LIBRARIES``
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libraries to link against GLEW
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``GLEW_SHARED_LIBRARIES``
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libraries to link against shared GLEW
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``GLEW_STATIC_LIBRARIES``
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libraries to link against static GLEW
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``GLEW_FOUND``
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true if GLEW has been found and can be used
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``GLEW_VERSION``
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GLEW version
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``GLEW_VERSION_MAJOR``
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GLEW major version
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``GLEW_VERSION_MINOR``
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GLEW minor version
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``GLEW_VERSION_MICRO``
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GLEW micro version
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#]=======================================================================]
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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find_package(GLEW CONFIG QUIET)
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if(GLEW_FOUND)
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find_package_handle_standard_args(GLEW DEFAULT_MSG GLEW_CONFIG)
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return()
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endif()
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if(GLEW_VERBOSE)
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message(STATUS "FindGLEW: did not find GLEW CMake config file. Searching for libraries.")
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endif()
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function(__glew_set_find_library_suffix shared_or_static)
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if(UNIX AND "${shared_or_static}" MATCHES "SHARED")
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".so" PARENT_SCOPE)
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elseif(UNIX AND "${shared_or_static}" MATCHES "STATIC")
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".a" PARENT_SCOPE)
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elseif(APPLE AND "${shared_or_static}" MATCHES "SHARED")
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".dylib;.so" PARENT_SCOPE)
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elseif(APPLE AND "${shared_or_static}" MATCHES "STATIC")
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".a" PARENT_SCOPE)
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elseif(WIN32 AND "${shared_or_static}" MATCHES "SHARED")
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".lib" PARENT_SCOPE)
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elseif(WIN32 AND "${shared_or_static}" MATCHES "STATIC")
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".lib;.dll.a" PARENT_SCOPE)
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endif()
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if(GLEW_VERBOSE)
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message(STATUS "FindGLEW: CMAKE_FIND_LIBRARY_SUFFIXES for ${shared_or_static}: ${CMAKE_FIND_LIBRARY_SUFFIXES}")
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endif()
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endfunction()
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if(GLEW_VERBOSE)
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if(DEFINED GLEW_USE_STATIC_LIBS)
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message(STATUS "FindGLEW: GLEW_USE_STATIC_LIBS: ${GLEW_USE_STATIC_LIBS}.")
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else()
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message(STATUS "FindGLEW: GLEW_USE_STATIC_LIBS is undefined. Treated as FALSE.")
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endif()
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endif()
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find_path(GLEW_INCLUDE_DIR GL/glew.h)
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mark_as_advanced(GLEW_INCLUDE_DIR)
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set(GLEW_INCLUDE_DIRS ${GLEW_INCLUDE_DIR})
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if(GLEW_VERBOSE)
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message(STATUS "FindGLEW: GLEW_INCLUDE_DIR: ${GLEW_INCLUDE_DIR}")
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message(STATUS "FindGLEW: GLEW_INCLUDE_DIRS: ${GLEW_INCLUDE_DIRS}")
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endif()
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if("${CMAKE_GENERATOR_PLATFORM}" MATCHES "x64" OR "${CMAKE_GENERATOR}" MATCHES "Win64")
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set(_arch "x64")
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else()
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set(_arch "Win32")
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endif()
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set(__GLEW_CURRENT_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
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__glew_set_find_library_suffix(SHARED)
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find_library(GLEW_SHARED_LIBRARY_RELEASE
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NAMES GLEW glew glew32
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PATH_SUFFIXES lib lib64 libx32 lib/Release/${_arch}
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PATHS ENV GLEW_ROOT)
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find_library(GLEW_SHARED_LIBRARY_DEBUG
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NAMES GLEWd glewd glew32d
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PATH_SUFFIXES lib lib64
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PATHS ENV GLEW_ROOT)
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__glew_set_find_library_suffix(STATIC)
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find_library(GLEW_STATIC_LIBRARY_RELEASE
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NAMES GLEW glew glew32s
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PATH_SUFFIXES lib lib64 libx32 lib/Release/${_arch}
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PATHS ENV GLEW_ROOT)
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find_library(GLEW_STATIC_LIBRARY_DEBUG
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NAMES GLEWds glewds glew32ds
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PATH_SUFFIXES lib lib64
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PATHS ENV GLEW_ROOT)
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set(CMAKE_FIND_LIBRARY_SUFFIXES ${__GLEW_CURRENT_FIND_LIBRARY_SUFFIXES})
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unset(__GLEW_CURRENT_FIND_LIBRARY_SUFFIXES)
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include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake)
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select_library_configurations(GLEW_SHARED)
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select_library_configurations(GLEW_STATIC)
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if(NOT GLEW_USE_STATIC_LIBS)
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set(GLEW_LIBRARIES ${GLEW_SHARED_LIBRARY})
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else()
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set(GLEW_LIBRARIES ${GLEW_STATIC_LIBRARY})
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endif()
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if(GLEW_VERBOSE)
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message(STATUS "FindGLEW: GLEW_SHARED_LIBRARY_RELEASE: ${GLEW_SHARED_LIBRARY_RELEASE}")
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message(STATUS "FindGLEW: GLEW_STATIC_LIBRARY_RELEASE: ${GLEW_STATIC_LIBRARY_RELEASE}")
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message(STATUS "FindGLEW: GLEW_SHARED_LIBRARY_DEBUG: ${GLEW_SHARED_LIBRARY_DEBUG}")
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message(STATUS "FindGLEW: GLEW_STATIC_LIBRARY_DEBUG: ${GLEW_STATIC_LIBRARY_DEBUG}")
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message(STATUS "FindGLEW: GLEW_SHARED_LIBRARY: ${GLEW_SHARED_LIBRARY}")
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message(STATUS "FindGLEW: GLEW_STATIC_LIBRARY: ${GLEW_STATIC_LIBRARY}")
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message(STATUS "FindGLEW: GLEW_LIBRARIES: ${GLEW_LIBRARIES}")
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endif()
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# Read version from GL/glew.h file
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if(EXISTS "${GLEW_INCLUDE_DIR}/GL/glew.h")
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file(STRINGS "${GLEW_INCLUDE_DIR}/GL/glew.h" _contents REGEX "^VERSION_.+ [0-9]+")
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if(_contents)
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string(REGEX REPLACE ".*VERSION_MAJOR[ \t]+([0-9]+).*" "\\1" GLEW_VERSION_MAJOR "${_contents}")
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string(REGEX REPLACE ".*VERSION_MINOR[ \t]+([0-9]+).*" "\\1" GLEW_VERSION_MINOR "${_contents}")
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string(REGEX REPLACE ".*VERSION_MICRO[ \t]+([0-9]+).*" "\\1" GLEW_VERSION_MICRO "${_contents}")
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set(GLEW_VERSION "${GLEW_VERSION_MAJOR}.${GLEW_VERSION_MINOR}.${GLEW_VERSION_MICRO}")
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endif()
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endif()
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if(GLEW_VERBOSE)
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message(STATUS "FindGLEW: GLEW_VERSION_MAJOR: ${GLEW_VERSION_MAJOR}")
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message(STATUS "FindGLEW: GLEW_VERSION_MINOR: ${GLEW_VERSION_MINOR}")
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message(STATUS "FindGLEW: GLEW_VERSION_MICRO: ${GLEW_VERSION_MICRO}")
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message(STATUS "FindGLEW: GLEW_VERSION: ${GLEW_VERSION}")
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endif()
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find_package_handle_standard_args(GLEW
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REQUIRED_VARS GLEW_INCLUDE_DIRS GLEW_LIBRARIES
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VERSION_VAR GLEW_VERSION)
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if(NOT GLEW_FOUND)
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if(GLEW_VERBOSE)
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message(STATUS "FindGLEW: could not found GLEW library.")
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endif()
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return()
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endif()
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if(NOT TARGET GLEW::glew AND NOT GLEW_USE_STATIC_LIBS)
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if(GLEW_VERBOSE)
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message(STATUS "FindGLEW: Creating GLEW::glew imported target.")
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endif()
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add_library(GLEW::glew UNKNOWN IMPORTED)
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set_target_properties(GLEW::glew
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PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${GLEW_INCLUDE_DIRS}")
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if(GLEW_SHARED_LIBRARY_RELEASE)
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set_property(TARGET GLEW::glew
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APPEND
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PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
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set_target_properties(GLEW::glew
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PROPERTIES IMPORTED_LOCATION_RELEASE "${GLEW_SHARED_LIBRARY_RELEASE}")
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endif()
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if(GLEW_SHARED_LIBRARY_DEBUG)
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set_property(TARGET GLEW::glew
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APPEND
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PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
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set_target_properties(GLEW::glew
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PROPERTIES IMPORTED_LOCATION_DEBUG "${GLEW_SHARED_LIBRARY_DEBUG}")
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endif()
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elseif(NOT TARGET GLEW::glew_s AND GLEW_USE_STATIC_LIBS)
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if(GLEW_VERBOSE)
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message(STATUS "FindGLEW: Creating GLEW::glew_s imported target.")
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endif()
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add_library(GLEW::glew_s UNKNOWN IMPORTED)
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set_target_properties(GLEW::glew_s
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PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${GLEW_INCLUDE_DIRS}")
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if(GLEW_STATIC_LIBRARY_RELEASE)
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set_property(TARGET GLEW::glew_s
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APPEND
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PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
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set_target_properties(GLEW::glew_s
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PROPERTIES IMPORTED_LOCATION_RELEASE "${GLEW_STATIC_LIBRARY_RELEASE}")
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endif()
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if(GLEW_STATIC_LIBRARY_DEBUG)
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set_property(TARGET GLEW::glew_s
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APPEND
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PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
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set_target_properties(GLEW::glew_s
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PROPERTIES IMPORTED_LOCATION_DEBUG "${GLEW_STATIC_LIBRARY_DEBUG}")
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endif()
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endif()
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if(NOT TARGET GLEW::GLEW)
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if(GLEW_VERBOSE)
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message(STATUS "FindGLEW: Creating GLEW::GLEW imported target.")
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endif()
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add_library(GLEW::GLEW UNKNOWN IMPORTED)
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set_target_properties(GLEW::GLEW
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PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${GLEW_INCLUDE_DIRS}")
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if(TARGET GLEW::glew)
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if(GLEW_SHARED_LIBRARY_RELEASE)
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set_property(TARGET GLEW::GLEW
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APPEND
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PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
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set_target_properties(GLEW::GLEW
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PROPERTIES IMPORTED_LOCATION_RELEASE "${GLEW_SHARED_LIBRARY_RELEASE}")
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endif()
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if(GLEW_SHARED_LIBRARY_DEBUG)
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set_property(TARGET GLEW::GLEW
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APPEND
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PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
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set_target_properties(GLEW::GLEW
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PROPERTIES IMPORTED_LOCATION_DEBUG "${GLEW_SHARED_LIBRARY_DEBUG}")
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endif()
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elseif(TARGET GLEW::glew_s)
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if(GLEW_STATIC_LIBRARY_RELEASE)
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set_property(TARGET GLEW::GLEW
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APPEND
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PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
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set_target_properties(GLEW::GLEW
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PROPERTIES IMPORTED_LOCATION_RELEASE "${GLEW_STATIC_LIBRARY_RELEASE}")
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endif()
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if(GLEW_STATIC_LIBRARY_DEBUG AND GLEW_USE_STATIC_LIBS)
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set_property(TARGET GLEW::GLEW
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APPEND
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PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
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set_target_properties(GLEW::GLEW
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PROPERTIES IMPORTED_LOCATION_DEBUG "${GLEW_STATIC_LIBRARY_DEBUG}")
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endif()
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elseif(GLEW_VERBOSE)
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message(WARNING "FindGLEW: no `GLEW::glew` or `GLEW::glew_s` target was created. Something went wrong in FindGLEW target creation.")
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endif()
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endif()
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