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qt5base-lts/cmake/FindWrapOpenGL.cmake

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Add license headers to cmake files CMakeLists.txt and .cmake files of significant size (more than 2 lines according to our check in tst_license.pl) now have the copyright and license header. Existing copyright statements remain intact Task-number: QTBUG-88621 Change-Id: I3b98cdc55ead806ec81ce09af9271f9b95af97fa Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-07-05 11:26:52 +00:00
# Copyright (C) 2022 The Qt Company Ltd.
Change the license of all CMakeLists.txt and *.cmake files to BSD Task-number: QTBUG-105718 Change-Id: I5d3ef70a31235868b9be6cb479b7621bf2a8ba39 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-08-19 13:21:34 +00:00
# SPDX-License-Identifier: BSD-3-Clause
Add license headers to cmake files CMakeLists.txt and .cmake files of significant size (more than 2 lines according to our check in tst_license.pl) now have the copyright and license header. Existing copyright statements remain intact Task-number: QTBUG-88621 Change-Id: I3b98cdc55ead806ec81ce09af9271f9b95af97fa Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-07-05 11:26:52 +00:00
CMake: Create a Find module wrapper for OpenGL Our .prl files embedded an absolute path to the OpenGL.tbd file. This obviously breaks their usage when used on another machine when no SDK exists. To fix that we need to use a "-framework OpenGL" linker flag instead of linking against the absolute path library. To convince CMake to do that, we have to create a wrapping OpenGL target which sets an appropriate INTERFACE_LINK_LIBRARIES property. So create a FindWrapOpenGL find module to do that on darwin platforms. Adjust helper.py and our build system to use it. This tangentially amends 38cd18384f6198c5bc3ea1da9ffc0158e960a778 because it recreates the FindWrapOpenGL module, but for a different purpose. Task-number: QTBUG-85240 Task-number: QTBUG-84781 Change-Id: I3498c19157ae31db5099e6edfb9d71490187f1d3 Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
2020-06-25 11:55:12 +00:00
# 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.
if(TARGET WrapOpenGL::WrapOpenGL)
set(WrapOpenGL_FOUND ON)
return()
endif()
set(WrapOpenGL_FOUND OFF)
find_package(OpenGL ${WrapOpenGL_FIND_VERSION})
if (OpenGL_FOUND)
set(WrapOpenGL_FOUND ON)
add_library(WrapOpenGL::WrapOpenGL INTERFACE IMPORTED)
if(APPLE)
# On Darwin platforms FindOpenGL sets IMPORTED_LOCATION to the absolute path of the library
# within the framework. This ends up as an absolute path link flag, which we don't want,
# because that makes our .prl files un-relocatable.
# Extract the framework path instead, and use that in INTERFACE_LINK_LIBRARIES,
# which CMake ends up transforming into a reloctable -framework flag.
# See https://gitlab.kitware.com/cmake/cmake/-/issues/20871 for details.
get_target_property(__opengl_fw_lib_path OpenGL::GL IMPORTED_LOCATION)
if(__opengl_fw_lib_path)
get_filename_component(__opengl_fw_path "${__opengl_fw_lib_path}" DIRECTORY)
endif()
if(NOT __opengl_fw_path)
# Just a safety measure in case if no OpenGL::GL target exists.
CMake: Use correct framework link flags in scripts and .pri files target_link_libraries expects a quoted string like "-framework CoreFoundation" when linking frameworks and not 2 different arguments like "-framework" "CoreFoundation". Fix that in the FindWrapOpenGL and FindGLESv2 find modules. Make sure to not quote the framework link flags when generating .pri files even if there are spaces, otherwise building apps with qmake fails. Amends 7fcc9cf05500fd3a0a1ba5c2f90a8ad3bcd8e5b0 Amends 2ed63e587eefb246dba9e69aa01fdb2abb2def13 Amends 55a15a1c1b93d36d705fc69e44b5c806b807dd55 Amends 2a767ab4bb7de8c29d2a8365212244ed944e9aeb Task-number: QTBUG-85240 Change-Id: I66ba36760ad704d65e712072a528d9e25c336dfa Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
2020-06-30 11:56:54 +00:00
set(__opengl_fw_path "-framework OpenGL")
CMake: Create a Find module wrapper for OpenGL Our .prl files embedded an absolute path to the OpenGL.tbd file. This obviously breaks their usage when used on another machine when no SDK exists. To fix that we need to use a "-framework OpenGL" linker flag instead of linking against the absolute path library. To convince CMake to do that, we have to create a wrapping OpenGL target which sets an appropriate INTERFACE_LINK_LIBRARIES property. So create a FindWrapOpenGL find module to do that on darwin platforms. Adjust helper.py and our build system to use it. This tangentially amends 38cd18384f6198c5bc3ea1da9ffc0158e960a778 because it recreates the FindWrapOpenGL module, but for a different purpose. Task-number: QTBUG-85240 Task-number: QTBUG-84781 Change-Id: I3498c19157ae31db5099e6edfb9d71490187f1d3 Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
2020-06-25 11:55:12 +00:00
endif()
CMake: WrapOpenGL target should also link AGL on macOS This is consistent with the qmake mkspec in common/mac.conf Task-number: QTBUG-85240 Task-number: QTBUG-84781 Change-Id: I99df365a3be541356482d29eda806020f4e298d9 Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io> Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
2020-06-26 17:01:31 +00:00
find_library(WrapOpenGL_AGL NAMES AGL)
if(WrapOpenGL_AGL)
set(__opengl_agl_fw_path "${WrapOpenGL_AGL}")
endif()
if(NOT __opengl_agl_fw_path)
CMake: Use correct framework link flags in scripts and .pri files target_link_libraries expects a quoted string like "-framework CoreFoundation" when linking frameworks and not 2 different arguments like "-framework" "CoreFoundation". Fix that in the FindWrapOpenGL and FindGLESv2 find modules. Make sure to not quote the framework link flags when generating .pri files even if there are spaces, otherwise building apps with qmake fails. Amends 7fcc9cf05500fd3a0a1ba5c2f90a8ad3bcd8e5b0 Amends 2ed63e587eefb246dba9e69aa01fdb2abb2def13 Amends 55a15a1c1b93d36d705fc69e44b5c806b807dd55 Amends 2a767ab4bb7de8c29d2a8365212244ed944e9aeb Task-number: QTBUG-85240 Change-Id: I66ba36760ad704d65e712072a528d9e25c336dfa Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
2020-06-30 11:56:54 +00:00
set(__opengl_agl_fw_path "-framework AGL")
CMake: WrapOpenGL target should also link AGL on macOS This is consistent with the qmake mkspec in common/mac.conf Task-number: QTBUG-85240 Task-number: QTBUG-84781 Change-Id: I99df365a3be541356482d29eda806020f4e298d9 Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io> Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
2020-06-26 17:01:31 +00:00
endif()
CMake: Create a Find module wrapper for OpenGL Our .prl files embedded an absolute path to the OpenGL.tbd file. This obviously breaks their usage when used on another machine when no SDK exists. To fix that we need to use a "-framework OpenGL" linker flag instead of linking against the absolute path library. To convince CMake to do that, we have to create a wrapping OpenGL target which sets an appropriate INTERFACE_LINK_LIBRARIES property. So create a FindWrapOpenGL find module to do that on darwin platforms. Adjust helper.py and our build system to use it. This tangentially amends 38cd18384f6198c5bc3ea1da9ffc0158e960a778 because it recreates the FindWrapOpenGL module, but for a different purpose. Task-number: QTBUG-85240 Task-number: QTBUG-84781 Change-Id: I3498c19157ae31db5099e6edfb9d71490187f1d3 Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
2020-06-25 11:55:12 +00:00
target_link_libraries(WrapOpenGL::WrapOpenGL INTERFACE ${__opengl_fw_path})
CMake: WrapOpenGL target should also link AGL on macOS This is consistent with the qmake mkspec in common/mac.conf Task-number: QTBUG-85240 Task-number: QTBUG-84781 Change-Id: I99df365a3be541356482d29eda806020f4e298d9 Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io> Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
2020-06-26 17:01:31 +00:00
target_link_libraries(WrapOpenGL::WrapOpenGL INTERFACE ${__opengl_agl_fw_path})
CMake: Create a Find module wrapper for OpenGL Our .prl files embedded an absolute path to the OpenGL.tbd file. This obviously breaks their usage when used on another machine when no SDK exists. To fix that we need to use a "-framework OpenGL" linker flag instead of linking against the absolute path library. To convince CMake to do that, we have to create a wrapping OpenGL target which sets an appropriate INTERFACE_LINK_LIBRARIES property. So create a FindWrapOpenGL find module to do that on darwin platforms. Adjust helper.py and our build system to use it. This tangentially amends 38cd18384f6198c5bc3ea1da9ffc0158e960a778 because it recreates the FindWrapOpenGL module, but for a different purpose. Task-number: QTBUG-85240 Task-number: QTBUG-84781 Change-Id: I3498c19157ae31db5099e6edfb9d71490187f1d3 Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
2020-06-25 11:55:12 +00:00
else()
target_link_libraries(WrapOpenGL::WrapOpenGL INTERFACE OpenGL::GL)
endif()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(WrapOpenGL DEFAULT_MSG WrapOpenGL_FOUND)
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