221 lines
9.7 KiB
CMake
221 lines
9.7 KiB
CMake
include(CheckCXXCompilerFlag)
|
|
|
|
function(add_compile_options_safe FLAG)
|
|
string(MAKE_C_IDENTIFIER "HAS_CXX_FLAG${FLAG}" mangled_flag)
|
|
check_cxx_compiler_flag(${FLAG} ${mangled_flag})
|
|
if (${mangled_flag})
|
|
add_compile_options(${FLAG})
|
|
endif()
|
|
endfunction()
|
|
|
|
function(target_compile_options_safe TARGET FLAG)
|
|
string(MAKE_C_IDENTIFIER "HAS_CXX_FLAG${FLAG}" mangled_flag)
|
|
check_cxx_compiler_flag(${FLAG} ${mangled_flag})
|
|
if (${mangled_flag})
|
|
target_compile_options(${TARGET} PRIVATE ${FLAG})
|
|
endif()
|
|
endfunction()
|
|
|
|
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
|
|
add_compile_options(-Weverything)
|
|
endif()
|
|
|
|
if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
|
|
if(CMAKE_BUILD_TYPE STREQUAL "Release")
|
|
# "Release" uses -O3 by default
|
|
add_compile_options(-O2)
|
|
endif()
|
|
if (WARNINGS_ARE_ERRORS)
|
|
add_compile_options(-Werror)
|
|
endif()
|
|
add_compile_options(-pedantic)
|
|
add_compile_options(-Wall)
|
|
add_compile_options(-Wextra)
|
|
add_compile_options(-Wcast-qual) # Cast for removing type qualifiers
|
|
add_compile_options(-Wfloat-equal) # Floating values used in equality comparisons
|
|
add_compile_options(-Wmissing-declarations) # If a global function is defined without a previous declaration
|
|
add_compile_options(-Wmissing-format-attribute) #
|
|
add_compile_options(-Wno-long-long)
|
|
add_compile_options(-Wpacked) #
|
|
add_compile_options(-Wredundant-decls) # if anything is declared more than once in the same scope
|
|
add_compile_options(-Wundef)
|
|
add_compile_options(-Wno-missing-field-initializers)
|
|
add_compile_options(-Wno-missing-braces)
|
|
add_compile_options(-Wno-sign-compare)
|
|
add_compile_options(-Wno-multichar)
|
|
add_compile_options(-Woverloaded-virtual) # when a function declaration hides virtual functions from a base class
|
|
|
|
# TODO: evaluate
|
|
#add_compile_options(-Wconversion) # danmar: gives fp. for instance: unsigned int sizeof_pointer = sizeof(void *);
|
|
#add_compile_options(-Wlogical-op) # doesn't work on older GCC
|
|
#add_compile_options(-Wsign-conversion) # too many warnings
|
|
#add_compile_options(-Wunreachable-code) # some GCC versions report lots of warnings
|
|
#add_compile_options(-Wsign-promo)
|
|
endif()
|
|
|
|
if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
|
|
# use pipes instead of temporary files - greatly reduces I/O usage
|
|
add_compile_options(-pipe)
|
|
|
|
add_compile_options(-Wno-maybe-uninitialized) # there are some false positives
|
|
add_compile_options(-Wsuggest-attribute=noreturn)
|
|
add_compile_options(-Wno-shadow) # whenever a local variable or type declaration shadows another one
|
|
elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
|
|
if (CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL 14 OR CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 14)
|
|
# TODO: verify this regression still exists in clang-15
|
|
if (CMAKE_BUILD_TYPE STREQUAL "Release" OR CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
|
|
# work around performance regression - see https://github.com/llvm/llvm-project/issues/53555
|
|
check_cxx_compiler_flag("-mllvm -inline-deferral" _has_mllvm_inline_deferral)
|
|
if (_has_mllvm_inline_deferral)
|
|
add_compile_options(-mllvm -inline-deferral)
|
|
endif()
|
|
endif()
|
|
|
|
# use force DWARF 4 debug format since not all tools might be able to handle DWARF 5 yet - e.g. valgrind on ubuntu 20.04
|
|
add_compile_options(-gdwarf-4)
|
|
endif()
|
|
|
|
if (USE_LIBCXX)
|
|
add_compile_options(-stdlib=libc++)
|
|
add_link_options(-lc++)
|
|
endif()
|
|
|
|
# TODO: fix and enable these warnings - or move to suppression list below
|
|
add_compile_options_safe(-Wno-documentation-unknown-command) # TODO: Clang currently does not support all commands
|
|
add_compile_options_safe(-Wno-unused-exception-parameter)
|
|
add_compile_options_safe(-Wno-old-style-cast)
|
|
add_compile_options_safe(-Wno-sign-conversion)
|
|
add_compile_options_safe(-Wno-shadow-field-in-constructor)
|
|
add_compile_options_safe(-Wno-covered-switch-default)
|
|
add_compile_options_safe(-Wno-shorten-64-to-32)
|
|
add_compile_options_safe(-Wno-implicit-int-conversion)
|
|
add_compile_options_safe(-Wno-double-promotion)
|
|
add_compile_options_safe(-Wno-shadow-field)
|
|
add_compile_options_safe(-Wno-shadow-uncaptured-local)
|
|
add_compile_options_safe(-Wno-implicit-float-conversion)
|
|
add_compile_options_safe(-Wno-switch-enum)
|
|
add_compile_options_safe(-Wno-float-conversion)
|
|
add_compile_options_safe(-Wno-enum-enum-conversion)
|
|
add_compile_options_safe(-Wno-date-time)
|
|
add_compile_options(-Wno-disabled-macro-expansion)
|
|
add_compile_options_safe(-Wno-bitwise-instead-of-logical)
|
|
|
|
# these cannot be fixed properly without adopting later C++ standards
|
|
add_compile_options_safe(-Wno-unsafe-buffer-usage)
|
|
add_compile_options_safe(-Wno-global-constructors)
|
|
add_compile_options_safe(-Wno-exit-time-destructors)
|
|
|
|
# can only be partially addressed
|
|
add_compile_options(-Wno-padded)
|
|
|
|
# no need for C++98 compatibility
|
|
add_compile_options(-Wno-c++98-compat)
|
|
add_compile_options(-Wno-c++98-compat-pedantic)
|
|
|
|
# only needs to be addressed to work around issues in older compilers
|
|
add_compile_options_safe(-Wno-return-std-move-in-c++11)
|
|
|
|
# warnings we are currently not interested in
|
|
add_compile_options(-Wno-four-char-constants)
|
|
add_compile_options(-Wno-weak-vtables)
|
|
|
|
if(ENABLE_COVERAGE OR ENABLE_COVERAGE_XML)
|
|
message(FATAL_ERROR "Do not use clang to generate code coverage. Use GCC instead.")
|
|
endif()
|
|
endif()
|
|
|
|
if (MSVC)
|
|
# General
|
|
add_compile_options(/W4) # Warning Level
|
|
add_compile_options(/Zi) # Debug Information Format - Program Database
|
|
if (WARNINGS_ARE_ERRORS)
|
|
add_compile_options(/WX) # Treat Warning As Errors
|
|
endif()
|
|
add_compile_options(/MP) # Multi-processor Compilation
|
|
|
|
# Advanced
|
|
# Character Set - Use Unicode Character Set
|
|
# No Whole Program Optimization
|
|
|
|
# C/C++ - Optimization
|
|
add_compile_options($<$<NOT:$<CONFIG:Debug>>:/O2>) # Optimization - Maximum Optimization (Favor Speed)
|
|
add_compile_options($<$<NOT:$<CONFIG:Debug>>:/Ob2>) # Inline Function Expansion - Any Suitable
|
|
add_compile_options($<$<NOT:$<CONFIG:Debug>>:/Oi>) # Enable Intrinsic Functions
|
|
add_compile_options($<$<NOT:$<CONFIG:Debug>>:/Ot>) # Favor fast code
|
|
add_compile_options($<$<NOT:$<CONFIG:Debug>>:/Oy>) # Omit Frame Pointers
|
|
add_compile_options($<$<CONFIG:Debug>:/Od>) # Optimization - Disabled
|
|
|
|
# C/C++ - Code Generation
|
|
add_compile_options($<$<NOT:$<CONFIG:Debug>>:/GF>) # Enable String Pooling
|
|
add_compile_options($<$<NOT:$<CONFIG:Debug>>:/MD>) # Runtime Library - Multi-threaded DLL
|
|
add_compile_options($<$<NOT:$<CONFIG:Debug>>:/GS->) # Disable Security Check
|
|
add_compile_options($<$<NOT:$<CONFIG:Debug>>:/Gy>) # Enable Function-Level Linking
|
|
add_compile_options($<$<CONFIG:Debug>:/MDd>) # Runtime Library - Multi-threaded Debug DLL
|
|
add_compile_options($<$<CONFIG:Debug>:/GS>) # Enable Security Check
|
|
|
|
# C/C++ - Language
|
|
add_compile_options(/Zc:rvalueCast) # Enforce type conversion rules
|
|
#add_compile_options(/std:c++14) # C++ Language Standard - ISO C++14 Standard
|
|
|
|
# C/C++ - Browse Information
|
|
# Enable Browse Information - No
|
|
|
|
# C/C++ - Advanced
|
|
add_compile_options(/wd4018) # warning C4018: '>': signed/unsigned mismatch
|
|
add_compile_options(/wd4127) # warning C4127: conditional expression is constant
|
|
add_compile_options(/wd4146) # warning C4146: unary minus operator applied to unsigned type, result still unsigned
|
|
add_compile_options(/wd4244) # warning C4244: 'initializing': conversion from 'int' to 'char', possible loss of data
|
|
add_compile_options(/wd4251)
|
|
# Clang: -Wshorten-64-to-32 -Wimplicit-int-conversion
|
|
add_compile_options(/wd4267) # warning C4267: 'return': conversion from 'size_t' to 'int', possible loss of data
|
|
add_compile_options(/wd4389) # warning C4389: '==': signed/unsigned mismatch
|
|
add_compile_options(/wd4482)
|
|
add_compile_options(/wd4512)
|
|
add_compile_options(/wd4701) # warning C4701: potentially uninitialized local variable 'err' used
|
|
add_compile_options(/wd4706) # warning C4706: assignment within conditional expression
|
|
add_compile_options(/wd4800) # warning C4800: 'const SymbolDatabase *' : forcing value to bool 'true' or 'false' (performance warning)
|
|
add_compile_options(/wd4805) # warning C4805: '==' : unsafe mix of type 'bool' and type 'long long' in operation
|
|
|
|
# C/C++ - All Options
|
|
add_compile_options(/Zc:throwingNew /Zc:__cplusplus) # Additional Options
|
|
|
|
# Linker - General
|
|
add_link_options($<$<CONFIG:Debug>:/INCREMENTAL>) # Enable Incremental Linking - Yes
|
|
|
|
add_link_options(/NOLOGO) # Suppress Startup Banner - Yes
|
|
# Ignore Import Library - Yes
|
|
|
|
# Linker - Debugging
|
|
add_link_options(/DEBUG) # Generate Debug Information
|
|
|
|
# Linker - System
|
|
# Stack Reserve Size - 8000000
|
|
# Stack Commit Size - 8000000
|
|
add_link_options(/LARGEADDRESSAWARE) # Enable Large Addresses - Yes
|
|
|
|
# Linker - Optimization
|
|
add_link_options(/OPT:REF) # References - Yes
|
|
add_link_options(/OPT:ICF) # Enable COMDAT Folding - Yes
|
|
|
|
# Linker - Advanced
|
|
add_link_options($<$<NOT:$<CONFIG:Debug>>:/RELEASE>) # Set Checksum - Yes
|
|
endif()
|
|
|
|
# TODO: check if this can be enabled again - also done in Makefile
|
|
if (CMAKE_SYSTEM_NAME STREQUAL "Linux" AND
|
|
CMAKE_CXX_COMPILER_ID MATCHES "Clang")
|
|
|
|
add_compile_options(-U_GLIBCXX_DEBUG)
|
|
endif()
|
|
|
|
if (MSVC)
|
|
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /STACK:8000000")
|
|
endif()
|
|
|
|
if (CYGWIN)
|
|
# TODO: this is a linker flag - not a compiler flag
|
|
add_compile_options(-Wl,--stack,8388608)
|
|
endif()
|
|
|
|
include(cmake/dynamic_analyzer_options.cmake)
|