Skip to content
This repository has been archived by the owner on Jul 1, 2024. It is now read-only.

Commit

Permalink
cmake: Support building with Qt5 and Qt6
Browse files Browse the repository at this point in the history 
This allows developers to pick their flavor of Qt, potentially enabling more advanced integrations with Qt in the future. Eventually Qt5 support may be dropped in favor of Qt6.

Fixes #811
  • Loading branch information
@Xaymar
Xaymar committed Aug 6, 2022
1 parent b64a6b0 commit c26b33f
Showing 1 changed file with 90 additions and 30 deletions.
120 changes: 90 additions & 30 deletions CMakeLists.txt
View file
Original file line number Diff line number Diff line change
Expand Up @@ -899,7 +899,7 @@ endfunction()
function(feature_frontend RESOLVE)
is_feature_enabled(FRONTEND T_CHECK)
if(RESOLVE AND T_CHECK)
if(NOT HAVE_QT)
if(NOT (Qt6_FOUND OR Qt5_FOUND))
message(WARNING "${LOGPREFIX}Front-End requires Qt. Disabling...")
set_feature_disabled(FRONTEND ON)
elseif(NOT HAVE_OBS_FRONTEND_API)
Expand Down Expand Up @@ -1095,13 +1095,46 @@ if(REQUIRE_NVIDIA_CUDA AND D_PLATFORM_WINDOWS)
set(HAVE_NVIDIA_CUDA ON)
endif()

#- Qt5
set(HAVE_QT OFF)
#- Qt
if(REQUIRE_QT)
find_package(Qt5
COMPONENTS Widgets Core REQUIRED
)
set(HAVE_QT ${Qt5_FOUND})
# Try Qt6 first...
find_package(Qt6
COMPONENTS Core Gui Widgets
CONFIG
HINTS
"${Qt6_DIR}"
"${Qt6_DIR}/lib"
"${Qt6_DIR}/lib/cmake"
"${Qt6_DIR}/lib/cmake/Qt6"
"${QTDIR}"
"${QTDIR}/lib"
"${QTDIR}/lib/cmake"
"${QTDIR}/lib/cmake/Qt6"
"${DepsPath}"
"${DepsPath}/lib"
"${DepsPath}/lib/cmake"
"${DepsPath}/lib/cmake/Qt6"
)
if(NOT Qt6_FOUND)
# If Qt6 isn't present, try Qt5
find_package(Qt5
COMPONENTS Core Gui Widgets
CONFIG
HINTS
"${Qt5_DIR}"
"${Qt5_DIR}/lib"
"${Qt5_DIR}/lib/cmake"
"${Qt5_DIR}/lib/cmake/Qt5"
"${QTDIR}"
"${QTDIR}/lib"
"${QTDIR}/lib/cmake"
"${QTDIR}/lib/cmake/Qt5"
"${DepsPath}"
"${DepsPath}/lib"
"${DepsPath}/lib/cmake"
"${DepsPath}/lib/cmake/Qt5"
)
endif()
endif()

# Verify Requirements
Expand Down Expand Up @@ -1303,8 +1336,12 @@ if(REQUIRE_OBS_FRONTEND_API AND HAVE_OBS_FRONTEND_API)
list(APPEND PROJECT_LIBRARIES obs-frontend-api)
endif()

if(REQUIRE_QT AND HAVE_QT)
list(APPEND PROJECT_LIBRARIES Qt5::Core Qt5::Widgets)
if(REQUIRE_QT)
if(Qt5_FOUND)
list(APPEND PROJECT_LIBRARIES Qt5::Core Qt5::Gui Qt5::Widgets)
elseif(Qt6_FOUND)
list(APPEND PROJECT_LIBRARIES Qt6::Core Qt6::Gui Qt6::Widgets)
endif()
endif()

################################################################################
Expand Down Expand Up @@ -1949,7 +1986,7 @@ set_source_files_properties(${PROJECT_DATA} ${PROJECT_TEMPLATES} ${PROJECT_UI} P
)

# Prevent non-UI files from being Qt'd
if(HAVE_QT)
if(Qt5_Found OR Qt6_FOUND)
set_source_files_properties(${PROJECT_DATA} ${PROJECT_TEMPLATES} ${PROJECT_PRIVATE_GENERATED} ${PROJECT_PRIVATE_SOURCE} PROPERTIES
SKIP_AUTOGEN ON
SKIP_AUTOMOC ON
Expand Down Expand Up @@ -2197,7 +2234,7 @@ if(D_PLATFORM_WINDOWS)
endif()

# Enable Qt if needed
if(HAVE_QT)
if(Qt5_FOUND OR Qt6_FOUND)
set_target_properties(${PROJECT_NAME} PROPERTIES
AUTOUIC ON
AUTOUIC_SEARCH_PATHS "${PROJECT_SOURCE_DIR};${PROJECT_SOURCE_DIR}/ui"
Expand Down Expand Up @@ -2254,28 +2291,51 @@ if(D_PLATFORM_MAC)
message(STATUS "${LOGPREFIX}Added post-build step for adjusting libobs-frontend-api linking path.")
endif()

# Qt5
if(REQUIRE_QT AND HAVE_QT)
# Figure out the linker location for Qt5::Core
mac_get_linker_id(TARGET Qt5::Core OUTPUT T_QT5CORE_LINK)
# Qt
if(REQUIRE_QT)
if(Qt5_FOUND)
# Figure out the linker location for Qt5::Core
mac_get_linker_id(TARGET Qt5::Core OUTPUT T_QT5CORE_LINK)

# Figure out the linker location for Qt5::Gui
mac_get_linker_id(TARGET Qt5::Gui OUTPUT T_QT5GUI_LINK)
# Figure out the linker location for Qt5::Gui
mac_get_linker_id(TARGET Qt5::Gui OUTPUT T_QT5GUI_LINK)

# Figure out the linker location for Qt5::Widsgets
mac_get_linker_id(TARGET Qt5::Widgets OUTPUT T_QT5WIDGETS_LINK)
# Figure out the linker location for Qt5::Widsgets
mac_get_linker_id(TARGET Qt5::Widgets OUTPUT T_QT5WIDGETS_LINK)

add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
# - QtCore
COMMAND install_name_tool ARGS -change "${T_QT5CORE_LINK}" "@executable_path/../Frameworks/QtCore.framework/Versions/5/QtCore" $<TARGET_FILE:${PROJECT_NAME}>
# - QtGui
COMMAND install_name_tool ARGS -change "${T_QT5GUI_LINK}" "@executable_path/../Frameworks/QtGui.framework/Versions/5/QtGui" $<TARGET_FILE:${PROJECT_NAME}>
# - QtWidgets
COMMAND install_name_tool ARGS -change "${T_QT5WIDGETS_LINK}" "@executable_path/../Frameworks/QtWidgets.framework/Versions/5/QtWidgets" $<TARGET_FILE:${PROJECT_NAME}>
)
message(STATUS "${LOGPREFIX}Added post-build step for adjusting Qt5::Core linking path (Found: ${Qt5_DIR} resolved to ${T_QT5CORE_LINK}).")
message(STATUS "${LOGPREFIX}Added post-build step for adjusting Qt5::Gui linking path (Found: ${Qt5_DIR} resolved to ${T_QT5GUI_LINK}).")
message(STATUS "${LOGPREFIX}Added post-build step for adjusting Qt5::Widgets linking path (Found: ${Qt5_DIR} resolved to ${T_QT5WIDGETS_LINK}).")
add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
# - QtCore
COMMAND install_name_tool ARGS -change "${T_QT5CORE_LINK}" "@executable_path/../Frameworks/QtCore.framework/Versions/5/QtCore" $<TARGET_FILE:${PROJECT_NAME}>
# - QtGui
COMMAND install_name_tool ARGS -change "${T_QT5GUI_LINK}" "@executable_path/../Frameworks/QtGui.framework/Versions/5/QtGui" $<TARGET_FILE:${PROJECT_NAME}>
# - QtWidgets
COMMAND install_name_tool ARGS -change "${T_QT5WIDGETS_LINK}" "@executable_path/../Frameworks/QtWidgets.framework/Versions/5/QtWidgets" $<TARGET_FILE:${PROJECT_NAME}>
)
message(STATUS "${LOGPREFIX}Added post-build step for adjusting Qt5::Core linking path (Found: ${Qt5_DIR} resolved to ${T_QT5CORE_LINK}).")
message(STATUS "${LOGPREFIX}Added post-build step for adjusting Qt5::Gui linking path (Found: ${Qt5_DIR} resolved to ${T_QT5GUI_LINK}).")
message(STATUS "${LOGPREFIX}Added post-build step for adjusting Qt5::Widgets linking path (Found: ${Qt5_DIR} resolved to ${T_QT5WIDGETS_LINK}).")
elseif(Qt6_FOUND)
# Figure out the linker location for Qt6::Core
mac_get_linker_id(TARGET Qt6::Core OUTPUT T_QT6CORE_LINK)

# Figure out the linker location for Qt6::Gui
mac_get_linker_id(TARGET Qt6::Gui OUTPUT T_QT6GUI_LINK)

# Figure out the linker location for Qt6::Widsgets
mac_get_linker_id(TARGET Qt6::Widgets OUTPUT T_QT6WIDGETS_LINK)

add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
# - QtCore
COMMAND install_name_tool ARGS -change "${T_QT6CORE_LINK}" "@executable_path/../Frameworks/QtCore.framework/Versions/6/QtCore" $<TARGET_FILE:${PROJECT_NAME}>
# - QtGui
COMMAND install_name_tool ARGS -change "${T_QT6GUI_LINK}" "@executable_path/../Frameworks/QtGui.framework/Versions/6/QtGui" $<TARGET_FILE:${PROJECT_NAME}>
# - QtWidgets
COMMAND install_name_tool ARGS -change "${T_QT6WIDGETS_LINK}" "@executable_path/../Frameworks/QtWidgets.framework/Versions/6/QtWidgets" $<TARGET_FILE:${PROJECT_NAME}>
)
message(STATUS "${LOGPREFIX}Added post-build step for adjusting Qt6::Core linking path (Found: ${Qt6_DIR} resolved to ${T_QT6CORE_LINK}).")
message(STATUS "${LOGPREFIX}Added post-build step for adjusting Qt6::Gui linking path (Found: ${Qt6_DIR} resolved to ${T_QT6GUI_LINK}).")
message(STATUS "${LOGPREFIX}Added post-build step for adjusting Qt6::Widgets linking path (Found: ${Qt6_DIR} resolved to ${T_QT6WIDGETS_LINK}).")
endif()
endif()
endif()

Expand Down

0 comments on commit c26b33f

Please sign in to comment.