qt5base-lts/cmake/QtSetup.cmake
Simon Hausmann f96778dee2 Enable export of compile commands database
For developer builds, enable the compile commands database by default.
This allows Qt developers to use tools that utilize these (such as
clang-tidy, etc.) without any extra setup.

Change-Id: I79d70ef7dbe7c59864e93593c75f9ff6cd67c2ce
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Reviewed-by: Qt CMake Build Bot
2019-05-27 18:21:00 +00:00

95 lines
3.1 KiB
CMake

## Set a default build type if none was specified
set(_default_build_type "Release")
if(EXISTS "${CMAKE_SOURCE_DIR}/.git")
set(_default_build_type "Debug")
endif()
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
message(STATUS "Setting build type to '${_default_build_type}' as none was specified.")
set(CMAKE_BUILD_TYPE "${_default_build_type}" CACHE STRING "Choose the type of build." FORCE)
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo") # Set the possible values of build type for cmake-gui
endif()
# Appends a 'debug postfix' to library targets (not executables)
# e.g. lib/libQt5DBus_debug.5.12.0.dylib
if(WIN32)
set(CMAKE_DEBUG_POSTFIX "d")
elseif(APPLE)
set(CMAKE_DEBUG_POSTFIX "_debug")
endif()
## Force C++ standard, do not fall back, do not use compiler extensions
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
## Position independent code:
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
# Do not relink dependent libraries when no header has changed:
set(CMAKE_LINK_DEPENDS_NO_SHARED ON)
# Default to hidden visibility for symbols:
set(CMAKE_C_VISIBILITY_PRESET hidden)
set(CMAKE_CXX_VISIBILITY_PRESET hidden)
set(CMAKE_VISIBILITY_INLINES_HIDDEN 1)
if(FEATURE_developer_build)
if(DEFINED QT_CMAKE_EXPORT_COMPILE_COMMANDS)
set(CMAKE_EXPORT_COMPILE_COMMANDS ${QT_CMAKE_EXPORT_COMPILE_COMMANDS})
else()
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
endif()
set(QT_WILL_INSTALL OFF)
# Handle non-prefix builds by setting the cmake install prefix to the project binary dir.
if(PROJECT_NAME STREQUAL "QtBase")
set(CMAKE_INSTALL_PREFIX ${CMAKE_BINARY_DIR} CACHE PATH
"Install path prefix, prepended onto install directories." FORCE)
else()
# No-op. While building another module, the CMAKE_INSTALL_PREFIX or CMAKE_PREFIX_PATH
# (either work) should be set on the command line to point to the qtbase build dir.
endif()
else()
set(QT_WILL_INSTALL ON)
endif()
## Enable testing:
include(CTest)
enable_testing()
## Define some constants to check for certain platforms, etc:
include(QtPlatformSupport)
## add_qt_module and co.:
include(QtBuild)
## Qt Feature support:
include(QtFeature)
## Compiler optimization flags:
include(QtCompilerOptimization)
## Compiler flags:
include(QtCompilerFlags)
## Set up developer build:
qt_set_up_developer_build()
## Find host tools (if non native):
set(QT_HOST_PATH "" CACHE PATH "Installed Qt host directory path, used for cross compiling.")
if (CMAKE_CROSSCOMPILING AND NOT IS_DIRECTORY ${QT_HOST_PATH})
message(FATAL_ERROR "You need to set QT_HOST_PATH to cross compile Qt.")
endif()
## Enable support for sanitizers:
include(${CMAKE_CURRENT_LIST_DIR}/3rdparty/extra-cmake-modules/modules/ECMEnableSanitizers.cmake)
option(QT_USE_CCACHE "Enable the use of ccache")
if(QT_USE_CCACHE)
find_program(CCACHE_PROGRAM ccache)
set(CMAKE_C_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
set(CMAKE_CXX_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
set(CMAKE_OBJC_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
endif()