qt5base-lts/CMakeLists.txt
Joerg Bornemann 7643295c12 CMake: Do not run auto-detection in top-level builds
The top-level CMakeLists.txt already does that to ensure that
QtAutoDetect is included before any project command, meaning before any
toolchain file is loaded.

Task-number: QTBUG-87309
Change-Id: I60a998bdf999b6f751e4ebec2d13491fb206b132
Reviewed-by: Cristian Adam <cristian.adam@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2020-10-12 13:57:41 +02:00

139 lines
4.9 KiB
CMake

# special case skip regeneration
cmake_minimum_required(VERSION 3.15.0)
# Run auto detection routines, but not when doing standalone tests. In that case, the detection
# results are taken from either QtBuildInternals or the qt.toolchain.cmake file. Also, inhibit
# auto-detection in a top-level build, because the top-level project file already includes it.
if(NOT QT_BUILD_STANDALONE_TESTS AND NOT QT_SUPER_BUILD)
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/QtAutoDetect.cmake)
endif()
include(".cmake.conf")
project(QtBase
VERSION "${QT_REPO_MODULE_VERSION}"
DESCRIPTION "Qt Base Libraries"
HOMEPAGE_URL "https://qt.io/"
LANGUAGES CXX C ASM
)
# Make sure we only use latest private CMake API, aka no compatibility wrappers.
set(QT_NO_INTERNAL_COMPATIBILITY_FUNCTIONS TRUE)
if (CMAKE_CROSSCOMPILING AND CMAKE_SYSROOT)
# When cross compiling with CMake any calls to pkg_check_modules() will
# search into the host system instead of the target sysroot.
# The current work around is based on the discussion found at
# https://gitlab.kitware.com/cmake/cmake/-/merge_requests/4478
set(ENV{PKG_CONFIG_DIR} "")
set(ENV{PKG_CONFIG_LIBDIR} "${CMAKE_SYSROOT}/usr/lib/${CMAKE_LIBRARY_ARCHITECTURE}/pkgconfig")
set(ENV{PKG_CONFIG_SYSROOT_DIR} ${CMAKE_SYSROOT})
endif()
if(NOT QT_BUILD_STANDALONE_TESTS)
## Add some paths to check for cmake modules:
list(PREPEND CMAKE_MODULE_PATH
"${CMAKE_CURRENT_SOURCE_DIR}/cmake"
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/3rdparty/extra-cmake-modules/find-modules"
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/3rdparty/kwin"
)
if(MACOS)
# Add module directory to pick up custom Info.plist template
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/macos")
endif()
## Find the build internals package.
set(QT_BUILD_INTERNALS_SKIP_CMAKE_MODULE_PATH_ADDITION TRUE)
list(PREPEND CMAKE_PREFIX_PATH
"${CMAKE_CURRENT_SOURCE_DIR}/cmake"
)
find_package(QtBuildInternals CMAKE_FIND_ROOT_PATH_BOTH)
unset(QT_BUILD_INTERNALS_SKIP_CMAKE_MODULE_PATH_ADDITION)
else()
# When building standalone tests, an istalled BuildInternals package already exists.
find_package(Qt6 REQUIRED COMPONENTS BuildInternals CMAKE_FIND_ROOT_PATH_BOTH)
endif()
qt_build_repo_begin()
if(NOT QT_BUILD_STANDALONE_TESTS)
## Should this Qt be static or dynamically linked?
option(BUILD_SHARED_LIBS "Build Qt statically or dynamically" ON)
set(QT_BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS})
## Should this Qt be built with Werror?
option(WARNINGS_ARE_ERRORS "Build Qt with warnings as errors" ${FEATURE_developer_build})
## QtBase specific configure tests:
include(QtBaseConfigureTests)
## Build System tests:
include(QtBaseCMakeTesting)
## Targets for global features, etc.:
include(QtBaseGlobalTargets)
## Set language standards after QtBaseGlobalTargets, because that's when the relevant
## feature variables are available.
qt_set_language_standards()
#include CoreMacros() for qt6_generate_meta_types()
set(QT_DEFAULT_MAJOR_VERSION 6)
include(src/corelib/Qt6CoreMacros.cmake)
# Needed when building qtbase for android.
include(src/corelib/Qt6AndroidMacros.cmake)
# Set up optimization flags like in qmake.
# This function must be called after the global QT_FEATURE_xxx variables have been set up,
# aka after QtBaseGlobalTargets is processed.
# It also has to be called /before/ adding add_subdirectory(src), so that per-directory
# modifications can still be applied if necessary (like in done in Core and Gui).
qt_internal_set_up_config_optimizations_like_in_qmake()
## Setup documentation
add_subdirectory(doc)
## Visit all the directories:
add_subdirectory(src)
endif()
if(BUILD_TESTING)
add_subdirectory(tests)
if(QT_NO_MAKE_TESTS)
set_property(DIRECTORY tests PROPERTY EXCLUDE_FROM_ALL TRUE)
endif()
endif()
if(NOT QT_BUILD_STANDALONE_TESTS)
if(QT_WILL_BUILD_TOOLS)
add_subdirectory(qmake)
endif()
# As long as we use the mkspecs (for qplatformdefs.h), we need to always
# install it, especially when cross-compiling.
set(mkspecs_install_dir "${INSTALL_MKSPECSDIR}")
qt_path_join(mkspecs_install_dir ${QT_INSTALL_DIR} ${mkspecs_install_dir})
file(GLOB mkspecs_subdirs
LIST_DIRECTORIES TRUE
"${PROJECT_SOURCE_DIR}/mkspecs/*")
foreach(entry IN LISTS mkspecs_subdirs)
if (IS_DIRECTORY ${entry})
qt_copy_or_install(DIRECTORY "${entry}"
DESTINATION ${mkspecs_install_dir})
else()
qt_copy_or_install(FILES "${entry}"
DESTINATION ${mkspecs_install_dir})
endif()
endforeach()
endif()
qt_build_repo_end()
if(NOT QT_BUILD_STANDALONE_TESTS AND BUILD_EXAMPLES)
add_subdirectory(examples)
if(QT_NO_MAKE_EXAMPLES)
set_property(DIRECTORY examples PROPERTY EXCLUDE_FROM_ALL TRUE)
endif()
endif()