diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt new file mode 100644 index 00000000..98b44543 --- /dev/null +++ b/CMakeLists.txt @@ -0,0 +1,114 @@ +cmake_minimum_required(VERSION 3.15.0) + +project(Qt + VERSION 6.0.0 + DESCRIPTION "Qt Libraries" + HOMEPAGE_URL "https://qt.io/" + LANGUAGES CXX C ASM +) + +# Required so we can call ctest from the root build directory +enable_testing() + +set(qt_module_prop_prefix "__qt_prop_") +function(extract_git_submodules out_module_list) + set(modules "") + set(current_module "") + set(module_list "") + file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/.gitmodules" lines) + foreach(line IN LISTS lines) + string(REGEX REPLACE "^\\[submodule \"([^\"]+)\"\\]$" "\\1" module ${line}) + if (NOT module STREQUAL line) + list(APPEND modules ${modules}) + set(current_module ${module}) + list(APPEND module_list ${module}) + else() + string(REGEX REPLACE "^\t([^ =]+) *=.*$" "\\1" prop ${line}) + if (NOT prop STREQUAL line) + string(REGEX REPLACE "^[^=]+= *" "" value ${line}) + string(REPLACE " " ";" value ${value}) + set("${qt_module_prop_prefix}${current_module}_${prop}" "${value}" PARENT_SCOPE) + else() + message(FATAL_ERROR "Malformed line ${CMAKE_CURRENT_SOURCE_DIR}/.gitmodules: ${line}") + endif() + endif() + endforeach() + set(${out_module_list} ${module_list} PARENT_SCOPE) +endfunction() + +list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake") +if (NOT QT_BUILD_STANDALONE_TESTS) + list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/qtbase/cmake") +endif() + +include(ECMOptionalAddSubdirectory) +include(TopologicalSort) + +# Use the CMake config files from the binary dir +list(APPEND CMAKE_PREFIX_PATH "${CMAKE_BINARY_DIR}") +# Also make sure the CMake config files do not recreate the already-existing targets +if (NOT QT_BUILD_STANDALONE_TESTS) + set(QT_NO_CREATE_TARGETS TRUE) +endif() +set(QT_SUPERBUILD TRUE) + +# Get submodules list +extract_git_submodules(git_module_list) +foreach(module IN LISTS git_module_list) + # Prepare a list of dependencies to be fed into topological sort + set("${qt_module_prop_prefix}${module}_all_dependencies" + ${${qt_module_prop_prefix}${module}_depends} + ${${qt_module_prop_prefix}${module}_recommends} + ${${qt_module_prop_prefix}${module}_serialize} + ) +endforeach() + +# Sort by dependencies +topological_sort(git_module_list "${qt_module_prop_prefix}" "_all_dependencies") + +# Check for unknown modules +foreach(module IN LISTS git_module_list) + foreach(dep IN LISTS "${qt_module_prop_prefix}${module}_all_dependencies") + if (NOT dep IN_LIST git_module_list) + message(FATAL_ERROR "Module '${module}' depends on undeclared module '${dep}'") + endif() + endforeach() +endforeach() + +# qtbase is always needed +list(REMOVE_ITEM git_module_list qtbase) +add_subdirectory(qtbase) + +if (NOT QT_BUILD_STANDALONE_TESTS) + list(APPEND CMAKE_PREFIX_PATH "${QtBase_BINARY_DIR}") +endif() + +foreach(module IN LISTS git_module_list) + ecm_optional_add_subdirectory(${module}) +endforeach() + +# Check for unmet dependencies +foreach(module IN LISTS git_module_list) + foreach(dep IN LISTS "${qt_module_prop_prefix}${module}_depends") + if (dep STREQUAL qtbase) + # Always available skip + continue() + endif() + if (DEFINED BUILD_${module} AND BUILD_${module}) + if(NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/${dep}/CMakeLists.txt") + message(FATAL_ERROR "Module '${module} depends on '${dep}', but ${deps}'s CMakeLists.txt couldn't be found.\n") + endif() + if(NOT BUILD_${dep}) + message(FATAL_ERROR "Module '${module} depends on '${dep}', but ${deps} will not be built.\n") + endif() + endif() + endforeach() +endforeach() + + +if(NOT QT_BUILD_STANDALONE_TESTS) + # Display a summary of everything + include(QtBuildInformation) + qt_print_feature_summary() + qt_print_build_instructions() +endif() |