# This file contains compile flags and general build configuration for Quassel # # (C) 2014 by the Quassel Project # # Redistribution and use is allowed according to the terms of the BSD license. # For details see the accompanying COPYING-CMAKE-SCRIPTS file. include(CheckCXXCompilerFlag) if (CMAKE_CONFIGURATION_TYPES) set(CMAKE_CONFIGURATION_TYPES Release RelWithDebInfo Debug Debugfull Profile) set(CMAKE_CONFIGURATION_TYPES "${CMAKE_CONFIGURATION_TYPES}" CACHE STRING "These are the configuration types we support" FORCE) endif() if(NOT CMAKE_BUILD_TYPE) set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "Choose the type of build, options are: None Debug Release RelWithDebInfo Debug Debugfull Profile" FORCE) endif() # Qt debug flags set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_DEBUG QT_DEBUG) set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_DEBUGFULL QT_DEBUG) set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_RELEASE QT_NO_DEBUG NDEBUG) set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_RELWITHDEBINFO QT_NO_DEBUG NDEBUG) set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_PROFILE QT_NO_DEBUG NDEBUG) set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_MINSIZEREL QT_NO_DEBUG NDEBUG) if (NOT CMAKE_CONFIGURATION_TYPES AND NOT CMAKE_BUILD_TYPE) set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS QT_NO_DEBUG NDEBUG) endif() # Enable various flags on gcc if (CMAKE_COMPILER_IS_GNUCXX) if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.8") message(FATAL_ERROR "Your compiler is too old; you need GCC 4.8+, Clang 3.3+, MSVC 19.0+, or any other compiler with full C++11 support.") endif() # Let's just hope that all gccs support these options and skip the tests... # -fno-strict-aliasing is needed apparently for Qt < 4.6 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wall -Wextra -Wnon-virtual-dtor -fno-strict-aliasing -Wundef -Wcast-align -Wpointer-arith -Wformat-security -fno-check-new -fno-common") # set(CMAKE_CXX_FLAGS_RELEASE "-O2") # use CMake default # set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-g -O2") # use CMake default set(CMAKE_CXX_FLAGS_DEBUG "-g -ggdb -O2 -fno-reorder-blocks -fno-schedule-insns -fno-inline") set(CMAKE_CXX_FLAGS_DEBUGFULL "-g3 -ggdb -fno-inline") set(CMAKE_CXX_FLAGS_PROFILE "-g3 -ggdb -fno-inline -ftest-coverage -fprofile-arcs") check_cxx_compiler_flag(-Woverloaded-virtual CXX_W_OVERLOADED_VIRTUAL) if(CXX_W_OVERLOADED_VIRTUAL) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Woverloaded-virtual") endif() # Just for miniz set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wno-unused-function -Wno-undef -fno-strict-aliasing") # ... and for Clang elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang") if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "3.3") message(FATAL_ERROR "Your compiler is too old; you need Clang 3.3+, GCC 4.8+, MSVC 19.0+, or any other compiler with full C++11 support.") endif() set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wnon-virtual-dtor -Wno-long-long -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wextra -Wpointer-arith -Wformat-security -Woverloaded-virtual -fno-common -Wno-deprecated-register") # set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG -DQT_NO_DEBUG") # Use CMake default # set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -DNDEBUG -DQT_NO_DEBUG") # Use CMake default set(CMAKE_CXX_FLAGS_DEBUG "-g -O2 -fno-inline") set(CMAKE_CXX_FLAGS_DEBUGFULL "-g3 -fno-inline") set(CMAKE_CXX_FLAGS_PROFILE "-g3 -fno-inline -ftest-coverage -fprofile-arcs") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wno-unused-function -Wno-undef -fno-strict-aliasing") # For MSVC, at least do a version sanity check... elseif(CMAKE_CXX_COMPILER_ID MATCHES "MSVC") if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "19.0") message(FATAL_ERROR "Your compiler is too old; you need at least Visual Studio 2015 (MSVC 19.0+), GCC 4.8+, Clang 3.3+, or any other compiler with full C++11 support.") endif() # ... and enable exception handling (required for STL types) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc") # Unknown/unsupported compiler else() message(WARNING "Unknown or unsupported compiler. Make sure to enable C++11 support. Good luck.") endif() # Mac build stuff if (APPLE AND DEPLOY) set(CMAKE_OSX_ARCHITECTURES "x86_64") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.9 -stdlib=libc++") endif()