diff options
Diffstat (limited to 'cmake/FindWrapOpenGL.cmake')
| -rw-r--r-- | cmake/FindWrapOpenGL.cmake | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/cmake/FindWrapOpenGL.cmake b/cmake/FindWrapOpenGL.cmake index 538bb021a7..7295a159ca 100644 --- a/cmake/FindWrapOpenGL.cmake +++ b/cmake/FindWrapOpenGL.cmake @@ -1,5 +1,5 @@ # Copyright (C) 2022 The Qt Company Ltd. -# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 +# SPDX-License-Identifier: BSD-3-Clause # We can't create the same interface imported target multiple times, CMake will complain if we do # that. This can happen if the find_package call is done in multiple different subdirectories. @@ -17,14 +17,18 @@ if (OpenGL_FOUND) add_library(WrapOpenGL::WrapOpenGL INTERFACE IMPORTED) if(APPLE) + # CMake 3.27 and older: # On Darwin platforms FindOpenGL sets IMPORTED_LOCATION to the absolute path of the library # within the framework. This ends up as an absolute path link flag, which we don't want, # because that makes our .prl files un-relocatable. # Extract the framework path instead, and use that in INTERFACE_LINK_LIBRARIES, - # which CMake ends up transforming into a reloctable -framework flag. + # which CMake ends up transforming into a relocatable -framework flag. # See https://gitlab.kitware.com/cmake/cmake/-/issues/20871 for details. + # + # CMake 3.28 and above: + # IMPORTED_LOCATION is the absolute path the the OpenGL.framework folder. get_target_property(__opengl_fw_lib_path OpenGL::GL IMPORTED_LOCATION) - if(__opengl_fw_lib_path) + if(__opengl_fw_lib_path AND NOT __opengl_fw_lib_path MATCHES "/([^/]+)\\.framework$") get_filename_component(__opengl_fw_path "${__opengl_fw_lib_path}" DIRECTORY) endif() @@ -46,6 +50,16 @@ if (OpenGL_FOUND) else() target_link_libraries(WrapOpenGL::WrapOpenGL INTERFACE OpenGL::GL) endif() +elseif(UNIX AND NOT APPLE AND NOT CMAKE_SYSTEM_NAME STREQUAL "Integrity") + # Requesting only the OpenGL component ensures CMake does not mark the package as + # not found if neither GLX nor libGL are available. This allows finding OpenGL + # on an X11-less Linux system. + find_package(OpenGL ${WrapOpenGL_FIND_VERSION} COMPONENTS OpenGL) + if (OpenGL_FOUND) + set(WrapOpenGL_FOUND ON) + add_library(WrapOpenGL::WrapOpenGL INTERFACE IMPORTED) + target_link_libraries(WrapOpenGL::WrapOpenGL INTERFACE OpenGL::OpenGL) + endif() endif() include(FindPackageHandleStandardArgs) |