obs-localvocal/cmake/common/helpers_common.cmake
2023-08-10 22:05:20 +03:00

138 lines
4.5 KiB
CMake

# CMake common helper functions module
# cmake-format: off
# cmake-lint: disable=C0103
# cmake-format: on
include_guard(GLOBAL)
# * Use QT_VERSION value as a hint for desired Qt version
# * If "AUTO" was specified, prefer Qt6 over Qt5
# * Creates versionless targets of desired component if none had been created by Qt itself (Qt versions < 5.15)
if(NOT QT_VERSION)
set(QT_VERSION
AUTO
CACHE STRING "OBS Qt version [AUTO, 5, 6]" FORCE)
set_property(CACHE QT_VERSION PROPERTY STRINGS AUTO 5 6)
endif()
# find_qt: Macro to find best possible Qt version for use with the project:
macro(find_qt)
set(multiValueArgs COMPONENTS COMPONENTS_WIN COMPONENTS_MAC COMPONENTS_LINUX)
cmake_parse_arguments(find_qt "" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
# Do not use versionless targets in the first step to avoid Qt::Core being clobbered by later opportunistic
# find_package runs
set(QT_NO_CREATE_VERSIONLESS_TARGETS TRUE)
message(DEBUG "Start Qt version discovery...")
# Loop until _QT_VERSION is set or FATAL_ERROR aborts script execution early
while(NOT _QT_VERSION)
message(DEBUG "QT_VERSION set to ${QT_VERSION}")
if(QT_VERSION STREQUAL AUTO AND NOT qt_test_version)
set(qt_test_version 6)
elseif(NOT QT_VERSION STREQUAL AUTO)
set(qt_test_version ${QT_VERSION})
endif()
message(DEBUG "Attempting to find Qt${qt_test_version}")
find_package(
Qt${qt_test_version}
COMPONENTS Core
QUIET)
if(TARGET Qt${qt_test_version}::Core)
set(_QT_VERSION
${qt_test_version}
CACHE INTERNAL "")
message(STATUS "Qt version found: ${_QT_VERSION}")
unset(qt_test_version)
break()
elseif(QT_VERSION STREQUAL AUTO)
if(qt_test_version EQUAL 6)
message(WARNING "Qt6 was not found, falling back to Qt5")
set(qt_test_version 5)
continue()
endif()
endif()
message(FATAL_ERROR "Neither Qt6 nor Qt5 found.")
endwhile()
# Enable versionless targets for the remaining Qt components
set(QT_NO_CREATE_VERSIONLESS_TARGETS FALSE)
set(qt_components ${find_qt_COMPONENTS})
if(OS_WINDOWS)
list(APPEND qt_components ${find_qt_COMPONENTS_WIN})
elseif(OS_MACOS)
list(APPEND qt_components ${find_qt_COMPONENTS_MAC})
else()
list(APPEND qt_components ${find_qt_COMPONENTS_LINUX})
endif()
message(DEBUG "Trying to find Qt components ${qt_components}...")
find_package(Qt${_QT_VERSION} REQUIRED ${qt_components})
list(APPEND qt_components Core)
if("Gui" IN_LIST find_qt_COMPONENTS_LINUX)
list(APPEND qt_components "GuiPrivate")
endif()
# Check for versionless targets of each requested component and create if necessary
foreach(component IN LISTS qt_components)
message(DEBUG "Checking for target Qt::${component}")
if(NOT TARGET Qt::${component} AND TARGET Qt${_QT_VERSION}::${component})
add_library(Qt::${component} INTERFACE IMPORTED)
set_target_properties(Qt::${component} PROPERTIES INTERFACE_LINK_LIBRARIES Qt${_QT_VERSION}::${component})
endif()
set_property(TARGET Qt::${component} PROPERTY INTERFACE_COMPILE_FEATURES "")
endforeach()
endmacro()
# check_uuid: Helper function to check for valid UUID
function(check_uuid uuid_string return_value)
set(valid_uuid TRUE)
set(uuid_token_lengths 8 4 4 4 12)
set(token_num 0)
string(REPLACE "-" ";" uuid_tokens ${uuid_string})
list(LENGTH uuid_tokens uuid_num_tokens)
if(uuid_num_tokens EQUAL 5)
message(DEBUG "UUID ${uuid_string} is valid with 5 tokens.")
foreach(uuid_token IN LISTS uuid_tokens)
list(GET uuid_token_lengths ${token_num} uuid_target_length)
string(LENGTH "${uuid_token}" uuid_actual_length)
if(uuid_actual_length EQUAL uuid_target_length)
string(REGEX MATCH "[0-9a-fA-F]+" uuid_hex_match ${uuid_token})
if(NOT uuid_hex_match STREQUAL uuid_token)
set(valid_uuid FALSE)
break()
endif()
else()
set(valid_uuid FALSE)
break()
endif()
math(EXPR token_num "${token_num}+1")
endforeach()
else()
set(valid_uuid FALSE)
endif()
message(DEBUG "UUID ${uuid_string} valid: ${valid_uuid}")
set(${return_value}
${valid_uuid}
PARENT_SCOPE)
endfunction()
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/src/plugin-support.c.in")
configure_file(src/plugin-support.c.in plugin-support.c @ONLY)
add_library(plugin-support STATIC)
target_sources(
plugin-support
PRIVATE plugin-support.c
PUBLIC src/plugin-support.h)
target_include_directories(plugin-support PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/src")
endif()