diff options
Diffstat (limited to 'Modules/FindGLEW.cmake')
| -rw-r--r-- | Modules/FindGLEW.cmake | 302 |
1 files changed, 269 insertions, 33 deletions
diff --git a/Modules/FindGLEW.cmake b/Modules/FindGLEW.cmake index ad8a810..34ee873 100644 --- a/Modules/FindGLEW.cmake +++ b/Modules/FindGLEW.cmake @@ -7,64 +7,300 @@ FindGLEW Find the OpenGL Extension Wrangler Library (GLEW) -IMPORTED Targets +Input Variables +^^^^^^^^^^^^^^^ + +The following variables may be set to influence this module’s behavior: + +``GLEW_USE_STATIC_LIBS`` + to find and create :prop_tgt:`IMPORTED` target for static linkage. + +``GLEW_VERBOSE`` + to output a detailed log of this module. + +Imported Targets ^^^^^^^^^^^^^^^^ -This module defines the :prop_tgt:`IMPORTED` target ``GLEW::GLEW``, -if GLEW has been found. +This module defines the following :ref:`Imported Targets <Imported Targets>`: + + +``GLEW::glew`` + The GLEW shared library. +``GLEW::glew_s`` + The GLEW static library, if ``GLEW_USE_STATIC_LIBS`` is set to ``TRUE``. +``GLEW::GLEW`` + Duplicates either ``GLEW::glew`` or ``GLEW::glew_s`` based on availability. Result Variables ^^^^^^^^^^^^^^^^ This module defines the following variables: -:: +``GLEW_INCLUDE_DIRS`` + include directories for GLEW +``GLEW_LIBRARIES`` + libraries to link against GLEW +``GLEW_SHARED_LIBRARIES`` + libraries to link against shared GLEW +``GLEW_STATIC_LIBRARIES`` + libraries to link against static GLEW +``GLEW_FOUND`` + true if GLEW has been found and can be used +``GLEW_VERSION`` + GLEW version +``GLEW_VERSION_MAJOR`` + GLEW major version +``GLEW_VERSION_MINOR`` + GLEW minor version +``GLEW_VERSION_MICRO`` + GLEW micro version - 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 #]=======================================================================] +include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) + +find_package(GLEW CONFIG QUIET) + +if(GLEW_FOUND) + find_package_handle_standard_args(GLEW DEFAULT_MSG GLEW_CONFIG) + return() +endif() + +if(GLEW_VERBOSE) + message(STATUS "FindGLEW: did not find GLEW CMake config file. Searching for libraries.") +endif() + + +function(__glew_set_find_library_suffix shared_or_static) + if(UNIX AND "${shared_or_static}" MATCHES "SHARED") + set(CMAKE_FIND_LIBRARY_SUFFIXES ".so" PARENT_SCOPE) + elseif(UNIX AND "${shared_or_static}" MATCHES "STATIC") + set(CMAKE_FIND_LIBRARY_SUFFIXES ".a" PARENT_SCOPE) + elseif(APPLE AND "${shared_or_static}" MATCHES "SHARED") + set(CMAKE_FIND_LIBRARY_SUFFIXES ".dylib;.so" PARENT_SCOPE) + elseif(APPLE AND "${shared_or_static}" MATCHES "STATIC") + set(CMAKE_FIND_LIBRARY_SUFFIXES ".a" PARENT_SCOPE) + elseif(WIN32 AND "${shared_or_static}" MATCHES "SHARED") + set(CMAKE_FIND_LIBRARY_SUFFIXES ".lib" PARENT_SCOPE) + elseif(WIN32 AND "${shared_or_static}" MATCHES "STATIC") + set(CMAKE_FIND_LIBRARY_SUFFIXES ".lib;.dll.a" PARENT_SCOPE) + endif() + + if(GLEW_VERBOSE) + message(STATUS "FindGLEW: CMAKE_FIND_LIBRARY_SUFFIXES for ${shared_or_static}: ${CMAKE_FIND_LIBRARY_SUFFIXES}") + endif() +endfunction() + + +if(GLEW_VERBOSE) + if(DEFINED GLEW_USE_STATIC_LIBS) + message(STATUS "FindGLEW: GLEW_USE_STATIC_LIBS: ${GLEW_USE_STATIC_LIBS}.") + else() + message(STATUS "FindGLEW: GLEW_USE_STATIC_LIBS is undefined. Treated as FALSE.") + endif() +endif() + find_path(GLEW_INCLUDE_DIR GL/glew.h) +mark_as_advanced(GLEW_INCLUDE_DIR) -if(NOT GLEW_LIBRARY) - find_library(GLEW_LIBRARY_RELEASE NAMES GLEW glew32 glew glew32s PATH_SUFFIXES lib64 libx32) - find_library(GLEW_LIBRARY_DEBUG NAMES GLEWd glew32d glewd PATH_SUFFIXES lib64) +set(GLEW_INCLUDE_DIRS ${GLEW_INCLUDE_DIR}) - include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake) - select_library_configurations(GLEW) -endif () +if(GLEW_VERBOSE) + message(STATUS "FindGLEW: GLEW_INCLUDE_DIR: ${GLEW_INCLUDE_DIR}") + message(STATUS "FindGLEW: GLEW_INCLUDE_DIRS: ${GLEW_INCLUDE_DIRS}") +endif() + +if("${CMAKE_GENERATOR_PLATFORM}" MATCHES "x64" OR "${CMAKE_GENERATOR}" MATCHES "Win64") + set(_arch "x64") +else() + set(_arch "Win32") +endif() + + +__glew_set_find_library_suffix(SHARED) + +find_library(GLEW_SHARED_LIBRARY_RELEASE + NAMES GLEW glew glew32 + PATH_SUFFIXES lib lib64 libx32 lib/Release/${_arch} + PATHS ENV GLEW_ROOT) + +find_library(GLEW_SHARED_LIBRARY_DEBUG + NAMES GLEWd glewd glew32d + PATH_SUFFIXES lib lib64 + PATHS ENV GLEW_ROOT) + + +__glew_set_find_library_suffix(STATIC) + +find_library(GLEW_STATIC_LIBRARY_RELEASE + NAMES GLEW glew glew32s + PATH_SUFFIXES lib lib64 libx32 lib/Release/${_arch} + PATHS ENV GLEW_ROOT) + +find_library(GLEW_STATIC_LIBRARY_DEBUG + NAMES GLEWds glewds glew32ds + PATH_SUFFIXES lib lib64 + PATHS ENV GLEW_ROOT) + +include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake) + +select_library_configurations(GLEW_SHARED) +select_library_configurations(GLEW_STATIC) + +if(NOT GLEW_USE_STATIC_LIBS) + set(GLEW_LIBRARIES ${GLEW_SHARED_LIBRARY}) +else() + set(GLEW_LIBRARIES ${GLEW_STATIC_LIBRARY}) +endif() + + +if(GLEW_VERBOSE) + message(STATUS "FindGLEW: GLEW_SHARED_LIBRARY_RELEASE: ${GLEW_SHARED_LIBRARY_RELEASE}") + message(STATUS "FindGLEW: GLEW_STATIC_LIBRARY_RELEASE: ${GLEW_STATIC_LIBRARY_RELEASE}") + message(STATUS "FindGLEW: GLEW_SHARED_LIBRARY_DEBUG: ${GLEW_SHARED_LIBRARY_DEBUG}") + message(STATUS "FindGLEW: GLEW_STATIC_LIBRARY_DEBUG: ${GLEW_STATIC_LIBRARY_DEBUG}") + message(STATUS "FindGLEW: GLEW_SHARED_LIBRARY: ${GLEW_SHARED_LIBRARY}") + message(STATUS "FindGLEW: GLEW_STATIC_LIBRARY: ${GLEW_STATIC_LIBRARY}") + message(STATUS "FindGLEW: GLEW_LIBRARIES: ${GLEW_LIBRARIES}") +endif() + + +# Read version from GL/glew.h file +if(EXISTS "${GLEW_INCLUDE_DIR}/GL/glew.h") + file(STRINGS "${GLEW_INCLUDE_DIR}/GL/glew.h" _contents REGEX "^VERSION_.+ [0-9]+") + if(_contents) + string(REGEX REPLACE ".*VERSION_MAJOR[ \t]+([0-9]+).*" "\\1" GLEW_VERSION_MAJOR "${_contents}") + string(REGEX REPLACE ".*VERSION_MINOR[ \t]+([0-9]+).*" "\\1" GLEW_VERSION_MINOR "${_contents}") + string(REGEX REPLACE ".*VERSION_MICRO[ \t]+([0-9]+).*" "\\1" GLEW_VERSION_MICRO "${_contents}") + set(GLEW_VERSION "${GLEW_VERSION_MAJOR}.${GLEW_VERSION_MINOR}.${GLEW_VERSION_MICRO}") + endif() +endif() + +if(GLEW_VERBOSE) + message(STATUS "FindGLEW: GLEW_VERSION_MAJOR: ${GLEW_VERSION_MAJOR}") + message(STATUS "FindGLEW: GLEW_VERSION_MINOR: ${GLEW_VERSION_MINOR}") + message(STATUS "FindGLEW: GLEW_VERSION_MICRO: ${GLEW_VERSION_MICRO}") + message(STATUS "FindGLEW: GLEW_VERSION: ${GLEW_VERSION}") +endif() -include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) find_package_handle_standard_args(GLEW - REQUIRED_VARS GLEW_INCLUDE_DIR GLEW_LIBRARY) + REQUIRED_VARS GLEW_INCLUDE_DIRS GLEW_LIBRARIES + VERSION_VAR GLEW_VERSION) -if(GLEW_FOUND) - set(GLEW_INCLUDE_DIRS ${GLEW_INCLUDE_DIR}) +if(NOT GLEW_FOUND) + if(GLEW_VERBOSE) + message(STATUS "FindGLEW: could not found GLEW library.") + endif() + return() +endif() + + +if(NOT TARGET GLEW::glew AND NOT GLEW_USE_STATIC_LIBS) + if(GLEW_VERBOSE) + message(STATUS "FindGLEW: Creating GLEW::glew imported target.") + endif() + + add_library(GLEW::glew UNKNOWN IMPORTED) + + set_target_properties(GLEW::glew + PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${GLEW_INCLUDE_DIRS}") + + if(GLEW_SHARED_LIBRARY_RELEASE) + set_property(TARGET GLEW::glew + APPEND + PROPERTY IMPORTED_CONFIGURATIONS RELEASE) + + set_target_properties(GLEW::glew + PROPERTIES IMPORTED_LOCATION_RELEASE "${GLEW_SHARED_LIBRARY_RELEASE}") + endif() + + if(GLEW_SHARED_LIBRARY_DEBUG) + set_property(TARGET GLEW::glew + APPEND + PROPERTY IMPORTED_CONFIGURATIONS DEBUG) + + set_target_properties(GLEW::glew + PROPERTIES IMPORTED_LOCATION_DEBUG "${GLEW_SHARED_LIBRARY_DEBUG}") + endif() - if(NOT GLEW_LIBRARIES) - set(GLEW_LIBRARIES ${GLEW_LIBRARY}) +elseif(NOT TARGET GLEW::glew_s AND GLEW_USE_STATIC_LIBS) + if(GLEW_VERBOSE) + message(STATUS "FindGLEW: Creating GLEW::glew_s imported target.") endif() - if (NOT TARGET GLEW::GLEW) - add_library(GLEW::GLEW UNKNOWN IMPORTED) - set_target_properties(GLEW::GLEW PROPERTIES - INTERFACE_INCLUDE_DIRECTORIES "${GLEW_INCLUDE_DIRS}") + add_library(GLEW::glew_s UNKNOWN IMPORTED) - if(GLEW_LIBRARY_RELEASE) - set_property(TARGET GLEW::GLEW APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE) - set_target_properties(GLEW::GLEW PROPERTIES IMPORTED_LOCATION_RELEASE "${GLEW_LIBRARY_RELEASE}") + set_target_properties(GLEW::glew_s + PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${GLEW_INCLUDE_DIRS}") + + if(GLEW_STATIC_LIBRARY_RELEASE) + set_property(TARGET GLEW::glew_s + APPEND + PROPERTY IMPORTED_CONFIGURATIONS RELEASE) + + set_target_properties(GLEW::glew_s + PROPERTIES IMPORTED_LOCATION_RELEASE "${GLEW_STATIC_LIBRARY_RELEASE}") + endif() + + if(GLEW_STATIC_LIBRARY_DEBUG) + set_property(TARGET GLEW::glew_s + APPEND + PROPERTY IMPORTED_CONFIGURATIONS DEBUG) + + set_target_properties(GLEW::glew_s + PROPERTIES IMPORTED_LOCATION_DEBUG "${GLEW_STATIC_LIBRARY_DEBUG}") + endif() +endif() + +if(NOT TARGET GLEW::GLEW) + if(GLEW_VERBOSE) + message(STATUS "FindGLEW: Creating GLEW::GLEW imported target.") + endif() + + add_library(GLEW::GLEW UNKNOWN IMPORTED) + + set_target_properties(GLEW::GLEW + PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${GLEW_INCLUDE_DIRS}") + + if(TARGET GLEW::glew) + if(GLEW_SHARED_LIBRARY_RELEASE) + set_property(TARGET GLEW::GLEW + APPEND + PROPERTY IMPORTED_CONFIGURATIONS RELEASE) + + set_target_properties(GLEW::GLEW + PROPERTIES IMPORTED_LOCATION_RELEASE "${GLEW_SHARED_LIBRARY_RELEASE}") + endif() + + if(GLEW_SHARED_LIBRARY_DEBUG) + set_property(TARGET GLEW::GLEW + APPEND + PROPERTY IMPORTED_CONFIGURATIONS DEBUG) + + set_target_properties(GLEW::GLEW + PROPERTIES IMPORTED_LOCATION_DEBUG "${GLEW_SHARED_LIBRARY_DEBUG}") endif() - if(GLEW_LIBRARY_DEBUG) - set_property(TARGET GLEW::GLEW APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG) - set_target_properties(GLEW::GLEW PROPERTIES IMPORTED_LOCATION_DEBUG "${GLEW_LIBRARY_DEBUG}") + elseif(TARGET GLEW::glew_s) + if(GLEW_STATIC_LIBRARY_RELEASE) + set_property(TARGET GLEW::GLEW + APPEND + PROPERTY IMPORTED_CONFIGURATIONS RELEASE) + + set_target_properties(GLEW::GLEW + PROPERTIES IMPORTED_LOCATION_RELEASE "${GLEW_STATIC_LIBRARY_RELEASE}") endif() - if(NOT GLEW_LIBRARY_RELEASE AND NOT GLEW_LIBRARY_DEBUG) - set_property(TARGET GLEW::GLEW APPEND PROPERTY IMPORTED_LOCATION "${GLEW_LIBRARY}") + if(GLEW_STATIC_LIBRARY_DEBUG AND GLEW_USE_STATIC_LIBS) + set_property(TARGET GLEW::GLEW + APPEND + PROPERTY IMPORTED_CONFIGURATIONS DEBUG) + + set_target_properties(GLEW::GLEW + PROPERTIES IMPORTED_LOCATION_DEBUG "${GLEW_STATIC_LIBRARY_DEBUG}") endif() + + elseif(GLEW_VERBOSE) + message(WARNING "FindGLEW: no `GLEW::glew` or `GLEW::glew_s` target was created. Something went wrong in FindGLEW target creation.") endif() endif() - -mark_as_advanced(GLEW_INCLUDE_DIR) |