X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=cmake%2FQuasselCompileSettings.cmake;h=7d46c33e989ba60859bf0ee83132d798b786764d;hp=4c4c8b49246c7d729a535121053fa9cbca38c37d;hb=00e1d5248d75508560006004eb059867123a591c;hpb=a51da552e5a2a81ef8f2204de6459f3a713bddf4 diff --git a/cmake/QuasselCompileSettings.cmake b/cmake/QuasselCompileSettings.cmake index 4c4c8b49..7d46c33e 100644 --- a/cmake/QuasselCompileSettings.cmake +++ b/cmake/QuasselCompileSettings.cmake @@ -5,6 +5,8 @@ # 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) @@ -29,36 +31,92 @@ set(CMAKE_POSITION_INDEPENDENT_CODE ON) # 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 - -Wcast-align -Wextra + -Wcast-align -Wformat-security - -Wno-unknown-pragmas -Wnon-virtual-dtor + -Woverloaded-virtual -Wpedantic -Wundef - -fno-common - -fstack-protector-strong + -Wvla + -Werror=return-type + "$<$:-Werror>" + -Wno-unknown-pragmas "$<$>:-U_FORTIFY_SOURCE;-D_FORTIFY_SOURCE=2>" ) # 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,-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) + + 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} ${CMAKE_SHARED_LINKER_FLAGS}") + +elseif(MSVC) + # Target Windows Vista + add_definitions(-D_WIN32_WINNT=0x0600 -DWINVER=0x0600 -D_WIN32_IE=0x0600) + + # Various settings for the Windows API + add_definitions(-DWIN32_LEAN_AND_MEAN -DUNICODE -D_UNICODE -D_USE_MATH_DEFINES -DNOMINMAX) + + # Compile options + add_compile_options( + /EHsc + "$<$:/WX>" + ) + + # Increase warning level on MSVC + # CMake puts /W3 in CMAKE_CXX_FLAGS which will be appended later, so we need to replace + string(REPLACE "/W3" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + + # Silence annoying/useless warnings + # C4127: conditional expression is constant + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4127") + # C4244: 'identifier': conversion from 't1' to 't2', possible loss of data + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4244") + # C4456: declaration of 'identifier' hides previous local declaration + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4456") + # C4458: declaration of 'identifier' hides class member + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4458") + + # 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 ${CMAKE_EXE_LINKER_FLAGS_DEBUG}") - set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${LINKER_FLAGS}") - set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${LINKER_FLAGS}") - set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${LINKER_FLAGS}") else() # For other compilers, we rely on default settings (unless someone provides a good set of options; patches welcome!) + message(WARNING "${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") 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()