# This file contains compile flags and general build configuration for Quassel
#
-# (C) 2014-2018 by the Quassel Project <devel@quassel-irc.org>
+# (C) 2014-2022 by the Quassel Project <devel@quassel-irc.org>
#
# 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)
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
+
+set(CMAKE_CXX_VISIBILITY_PRESET hidden)
+set(CMAKE_VISIBILITY_INLINES_HIDDEN ON)
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
-Wall
- -Wcast-align
-Wextra
+ -Wcast-align
-Wformat-security
- -Wno-unknown-pragmas
-Wnon-virtual-dtor
+ -Woverloaded-virtual
-Wpedantic
-Wundef
- -fno-common
- -fstack-protector-strong
- -fvisibility=default
- -fvisibility-inlines-hidden
+ -Wvla
+ -Werror=return-type
+ "$<$<BOOL:${FATAL_WARNINGS}>:-Werror>"
+ -Wno-error=deprecated-declarations # Don't break on Qt upgrades
+ -Wno-unknown-pragmas
"$<$<NOT:$<CONFIG:Debug>>:-U_FORTIFY_SOURCE;-D_FORTIFY_SOURCE=2>"
)
+ # ssp is currently very broken on MinGW
+ if(NOT MINGW)
+ add_compile_options(-fstack-protector-strong)
+ 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,-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} ${CMAKE_SHARED_LINKER_FLAGS}")
+
+elseif(MSVC)
+ # Target Windows Vista
+ add_definitions(-D_WIN32_WINNT=0x0600 -DWINVER=0x0600 -D_WIN32_IE=0x0600)
+
+ # Various settings for the Windows API
+ add_definitions(-DWIN32_LEAN_AND_MEAN -DUNICODE -D_UNICODE -D_USE_MATH_DEFINES -DNOMINMAX)
+
+ # Compile options
+ add_compile_options(
+ /EHsc
+ "$<$<BOOL:${FATAL_WARNINGS}>:/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 "${CMAKE_CXX_FLAGS}")
+
+ # Silence warnings that are hard or impossible to avoid
+ # C4127: conditional expression is constant [in qvector.h as of Qt 5.15.2]
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4127")
+ # C4456: declaration of 'identifier' hides previous local declaration [caused by foreach macro, among others]
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4456")
+ # C4458: declaration of 'identifier' hides class member [caused by MOC for Peer::_id]
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4458")
+ # C4996: deprecation warnings [unavoidable due to wide range of supported Qt versions]
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4996")
+ # C5240: 'nodiscard': attribute is ignored in this syntactic position [in qcolor.h as of Qt 5.15.2]
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd5240")
+
+ # 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()
projects / quassel.git / blobdiff