X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=cmake%2FQuasselCompileSettings.cmake;h=05c5a95de5550a2efa14f347bbaf7240d09eab64;hp=bf2e4ea980e8abf6f0893926bddf87c11b9fa165;hb=0fcf6adf1ca3a256bd0e5c1db40507874b9d65a8;hpb=f6cc3c4c662771d76355f876dd6e0317b890676b diff --git a/cmake/QuasselCompileSettings.cmake b/cmake/QuasselCompileSettings.cmake index bf2e4ea9..05c5a95d 100644 --- a/cmake/QuasselCompileSettings.cmake +++ b/cmake/QuasselCompileSettings.cmake @@ -1,70 +1,104 @@ # This file contains compile flags and general build configuration for Quassel # -# (C) 2014 by the Quassel Project +# (C) 2014-2018 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(QuasselMacros) + +# Helper function to check for linker flag support include(CheckCXXCompilerFlag) +function(check_and_set_linker_flag flag name outvar) + cmake_push_check_state(RESET) + set(CMAKE_REQUIRED_FLAGS "${flag}") + check_cxx_compiler_flag("" LINKER_SUPPORTS_${name}) + if (LINKER_SUPPORTS_${name}) + set(${outvar} "${${outvar}} ${flag}" PARENT_SCOPE) + endif() + cmake_pop_check_state() +endfunction() -if(CMAKE_CONFIGURATION_TYPES) - set(CMAKE_CONFIGURATION_TYPES Release RelWithDebInfo Debug Debugfull Profile) - set(CMAKE_CONFIGURATION_TYPES "${CMAKE_CONFIGURATION_TYPES}" CACHE STRING "These are the configuration types we support" FORCE) -endif() +# General compile settings +set(CMAKE_CXX_STANDARD 14) +set(CMAKE_CXX_STANDARD_REQUIRED OFF) # Rely on compile features if standard is not supported +set(CMAKE_CXX_EXTENSIONS OFF) # We like to be standard conform -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() +set(CMAKE_CXX_VISIBILITY_PRESET hidden) +set(CMAKE_VISIBILITY_INLINES_HIDDEN ON) +set(CMAKE_POSITION_INDEPENDENT_CODE ON) -# 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) +# For GCC and Clang, enable a whole bunch of warnings +if (CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang") + add_compile_options( + -fdiagnostics-color=always + -fexceptions + -fno-common + -fstack-protector-strong + -Wall + -Wextra + -Wcast-align + -Wformat-security + -Wnon-virtual-dtor + -Woverloaded-virtual + -Wpedantic + -Wundef + -Wvla + -Werror=return-type + -Wno-unknown-pragmas + "$<$>:-U_FORTIFY_SOURCE;-D_FORTIFY_SOURCE=2>" + ) -if(NOT CMAKE_CONFIGURATION_TYPES AND NOT CMAKE_BUILD_TYPE) - set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS QT_NO_DEBUG NDEBUG) -endif() + # Check for and set linker flags + check_and_set_linker_flag("-Wl,-z,relro" RELRO LINKER_FLAGS) + check_and_set_linker_flag("-Wl,-z,now" NOW LINKER_FLAGS) + check_and_set_linker_flag("-Wl,--as-needed" AS_NEEDED LINKER_FLAGS) + check_and_set_linker_flag("-Wl,--enable-new-dtags" ENABLE_NEW_DTAGS LINKER_FLAGS) + check_and_set_linker_flag("-Wl,--no-undefined" NO_UNDEFINED LINKER_FLAGS) -# Enable various flags on gcc -if(CMAKE_COMPILER_IS_GNUCXX) - # 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 "${CMAKE_CXX_FLAGS} -ansi -Wall -Wextra -Wnon-virtual-dtor -fno-strict-aliasing") - # set(CMAKE_CXX_FLAGS_RELEASE "-O2") # use CMake default - # set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-g -O2") # use CMake default - set(CMAKE_CXX_FLAGS_DEBUG "-g -ggdb -O2 -fno-reorder-blocks -fno-schedule-insns -fno-inline") - set(CMAKE_CXX_FLAGS_DEBUGFULL "-g3 -ggdb -fno-inline") - set(CMAKE_CXX_FLAGS_PROFILE "-g3 -ggdb -fno-inline -ftest-coverage -fprofile-arcs") - - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ansi -W -Wall -Wextra -Wnon-virtual-dtor -fno-strict-aliasing -Wundef -Wcast-align -Wpointer-arith -Wformat-security -fno-check-new -fno-common") - - check_cxx_compiler_flag(-Woverloaded-virtual CXX_W_OVERLOADED_VIRTUAL) - if(CXX_W_OVERLOADED_VIRTUAL) - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Woverloaded-virtual") - endif() + set(CMAKE_EXE_LINKER_FLAGS "${LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}") + set(CMAKE_MODULE_LINKER_FLAGS "${LINKER_FLAGS} ${CMAKE_MODULE_LINKER_FLAGS}") + set(CMAKE_SHARED_LINKER_FLAGS "${LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}") - # Just for miniz - set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wno-unused-function -Wno-undef -fno-strict-aliasing") -endif() +elseif(MSVC) + # Target Windows Vista + add_definitions(-D_WIN32_WINNT=0x0600 -DWINVER=0x0600 -D_WIN32_IE=0x0600) -# ... and for Clang -if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang") - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wnon-virtual-dtor -Wno-long-long -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wextra -Wpointer-arith -Wformat-security -Woverloaded-virtual -fno-common -Werror=return-type") - # set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG -DQT_NO_DEBUG") # Use CMake default - # set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -DNDEBUG -DQT_NO_DEBUG") # Use CMake default - set(CMAKE_CXX_FLAGS_DEBUG "-g -O2 -fno-inline") - set(CMAKE_CXX_FLAGS_DEBUGFULL "-g3 -fno-inline") - set(CMAKE_CXX_FLAGS_PROFILE "-g3 -fno-inline -ftest-coverage -fprofile-arcs") + # Various settings for the Windows API + add_definitions(-DWIN32_LEAN_AND_MEAN -DUNICODE -D_UNICODE -D_USE_MATH_DEFINES -DNOMINMAX) - set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wno-unused-function -Wno-undef -fno-strict-aliasing") + # Compile options + add_compile_options(-EHsc -W3) + + # Link against the correct version of the C runtime + set(CMAKE_EXE_LINKER_FLAGS_RELEASE "/NODEFAULTLIB:libcmt /DEFAULTLIB:msvcrt ${CMAKE_EXE_LINKER_FLAGS_RELEASE}") + set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "/NODEFAULTLIB:libcmt /DEFAULTLIB:msvcrt ${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO}") + set(CMAKE_EXE_LINKER_FLAGS_MINSIZEREL "/NODEFAULTLIB:libcmt /DEFAULTLIB:msvcrt ${CMAKE_EXE_LINKER_FLAGS_MINSIZEREL}") + set(CMAKE_EXE_LINKER_FLAGS_DEBUG "/NODEFAULTLIB:libcmtd /DEFAULTLIB:msvcrtd ${CMAKE_EXE_LINKER_FLAGS_DEBUG}") + +else() + # For other compilers, we rely on default settings (unless someone provides a good set of options; patches welcome!) + message(WARNING "${CMAKE_CXX_COMPILER_ID} is not a supported C++ compiler.") endif() # Mac build stuff -if(APPLE AND DEPLOY) +if (APPLE) set(CMAKE_OSX_ARCHITECTURES "x86_64") - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.8") - set(CMAKE_OSX_SYSROOT "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.8.sdk") + add_compile_options( + -mmacosx-version-min=10.9 + -stdlib=libc++ + ) + add_definitions(-DQT_MAC_USE_COCOA -D_DARWIN_C_SOURCE) endif() + +# Optionally, produce clazy warnings +if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") + option(ENABLE_CLAZY "Enable Clazy warnings" OFF) + + if(ENABLE_CLAZY) + set(CMAKE_CXX_COMPILE_OBJECT "${CMAKE_CXX_COMPILE_OBJECT} -Xclang -load -Xclang ClangLazy${CMAKE_SHARED_LIBRARY_SUFFIX} -Xclang -add-plugin -Xclang clang-lazy") + endif() +endif() + +# Append CMAKE_CXX_FLAGS, so our flags can be overwritten externally. +process_cmake_cxx_flags()