1 # This file contains compile flags and general build configuration for Quassel
3 # (C) 2014 by the Quassel Project <devel@quassel-irc.org>
5 # Redistribution and use is allowed according to the terms of the BSD license.
6 # For details see the accompanying COPYING-CMAKE-SCRIPTS file.
8 include(CheckCXXCompilerFlag)
10 if (CMAKE_CONFIGURATION_TYPES)
11 set(CMAKE_CONFIGURATION_TYPES Release RelWithDebInfo Debug Debugfull Profile)
12 set(CMAKE_CONFIGURATION_TYPES "${CMAKE_CONFIGURATION_TYPES}" CACHE STRING "These are the configuration types we support" FORCE)
15 if(NOT CMAKE_BUILD_TYPE)
16 set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "Choose the type of build, options are: None Debug Release RelWithDebInfo Debug Debugfull Profile" FORCE)
20 set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_DEBUG QT_DEBUG)
21 set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_DEBUGFULL QT_DEBUG)
22 set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_RELEASE QT_NO_DEBUG NDEBUG)
23 set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_RELWITHDEBINFO QT_NO_DEBUG NDEBUG)
24 set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_PROFILE QT_NO_DEBUG NDEBUG)
25 set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_MINSIZEREL QT_NO_DEBUG NDEBUG)
27 if (NOT CMAKE_CONFIGURATION_TYPES AND NOT CMAKE_BUILD_TYPE)
28 set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS QT_NO_DEBUG NDEBUG)
31 # Enable various flags on gcc
32 if (CMAKE_COMPILER_IS_GNUCXX)
33 if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.8")
34 message(FATAL_ERROR "Your compiler is too old; you need GCC 4.8+, Clang 3.3+, MSVC 19.0+, or any other compiler with full C++11 support.")
37 # Let's just hope that all gccs support these options and skip the tests...
38 # -fno-strict-aliasing is needed apparently for Qt < 4.6
39 set(CMAKE_CXX_FLAGS "${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")
40 # set(CMAKE_CXX_FLAGS_RELEASE "-O2") # use CMake default
41 # set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-g -O2") # use CMake default
42 set(CMAKE_CXX_FLAGS_DEBUG "-g -ggdb -O2 -fno-reorder-blocks -fno-schedule-insns -fno-inline")
43 set(CMAKE_CXX_FLAGS_DEBUGFULL "-g3 -ggdb -fno-inline")
44 set(CMAKE_CXX_FLAGS_PROFILE "-g3 -ggdb -fno-inline -ftest-coverage -fprofile-arcs")
46 check_cxx_compiler_flag(-Woverloaded-virtual CXX_W_OVERLOADED_VIRTUAL)
47 if(CXX_W_OVERLOADED_VIRTUAL)
48 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Woverloaded-virtual")
52 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wno-unused-function -Wno-undef -fno-strict-aliasing")
55 elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
56 if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "3.3")
57 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.")
60 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wnon-virtual-dtor -Wno-long-long -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wextra -Wpointer-arith -Wformat-security -Woverloaded-virtual -fno-common -Wno-deprecated-register")
61 # set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG -DQT_NO_DEBUG") # Use CMake default
62 # set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -DNDEBUG -DQT_NO_DEBUG") # Use CMake default
63 set(CMAKE_CXX_FLAGS_DEBUG "-g -O2 -fno-inline")
64 set(CMAKE_CXX_FLAGS_DEBUGFULL "-g3 -fno-inline")
65 set(CMAKE_CXX_FLAGS_PROFILE "-g3 -fno-inline -ftest-coverage -fprofile-arcs")
67 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wno-unused-function -Wno-undef -fno-strict-aliasing")
69 # For MSVC, at least do a version sanity check
70 elseif(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
71 if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "19.0")
72 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.")
75 # Unknown/unsupported compiler
77 message(WARNING "Unknown or unsupported compiler. Make sure to enable C++11 support. Good luck.")
82 set(CMAKE_OSX_ARCHITECTURES "x86_64")
83 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.9 -stdlib=libc++")