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ConfigureCompileFlags.cmake
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ConfigureCompileFlags.cmake
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cmake_minimum_required(VERSION 3.5)
set(build_flags_COMMON_LIST)
set(build_flags_DEBUG_LIST)
set(build_flags_RELEASE_LIST)
# _ _ _
# | | | |_ __ (_)_ __
# | | | | '_ \| \ \/ /
# | |_| | | | | |> <
# \___/|_| |_|_/_/\_\
#
if(UNIX)
# Common flags for all Unix compilers
set(build_flags_DEBUG_LIST
"-DDEBUG=1"
)
set(build_flags_RELEASE_LIST
"-DNDEBUG=1"
)
# Clang-specific flags
if(${CMAKE_CXX_COMPILER_ID} MATCHES Clang)
set(build_flags_COMMON_LIST
${build_flags_COMMON_LIST}
"-Weverything"
"-Werror"
"-Wno-c++98-compat"
"-Wno-c++98-compat-pedantic"
"-Wno-deprecated"
"-Wno-disabled-macro-expansion"
"-Wno-exit-time-destructors"
"-Wno-padded"
"-Wno-poison-system-directories"
"-Wno-reserved-id-macro"
"-Wno-unknown-warning-option"
"-Wno-unused-member-function"
)
# GCC-specific flags
# Unfortunately, we can't use -Werror on GCC, since there is no way to suppress the
# warnings generated by -fpermissive.
elseif(${CMAKE_CXX_COMPILER_ID} STREQUAL GNU)
set(build_flags_COMMON_LIST
${build_flags_COMMON_LIST}
"-Werror"
"-Wno-multichar"
)
endif()
# ASan support
if(LINK_ENABLE_ASAN)
set(build_flags_COMMON_LIST
${build_flags_COMMON_LIST}
"-fsanitize=address"
"-fno-omit-frame-pointer"
)
endif()
# __ ___ _
# \ \ / (_)_ __ __| | _____ _____
# \ \ /\ / /| | '_ \ / _` |/ _ \ \ /\ / / __|
# \ V V / | | | | | (_| | (_) \ V V /\__ \
# \_/\_/ |_|_| |_|\__,_|\___/ \_/\_/ |___/
#
elseif(${CMAKE_CXX_COMPILER_ID} STREQUAL MSVC)
add_definitions("/D_SCL_SECURE_NO_WARNINGS")
if(LINK_BUILD_VLD)
add_definitions("/DLINK_BUILD_VLD=1")
else()
add_definitions("/DLINK_BUILD_VLD=0")
endif()
if(LINK_WINDOWS_SETTHREADDESCRIPTION)
add_definitions("/DLINK_WINDOWS_SETTHREADDESCRIPTION")
endif()
set(build_flags_DEBUG_LIST
"/DDEBUG=1"
)
set(build_flags_RELEASE_LIST
"/DNDEBUG=1"
)
set(build_flags_COMMON_LIST
${build_flags_COMMON_LIST}
"/MP"
"/Wall"
"/WX"
"/EHsc"
#############################
# Ignored compiler warnings #
#############################
"/wd4061" # Enumerator 'identifier' in switch of enum 'enumeration' is not explicitly handled by a case label
"/wd4265" # 'Class' : class has virtual functions, but destructor is not virtual
"/wd4350" # Behavior change: 'member1' called instead of 'member2'
"/wd4355" # 'This' : used in base member initializer list
"/wd4365" # 'Action': conversion from 'type_1' to 'type_2', signed/unsigned mismatch
"/wd4371" # Layout of class may have changed from a previous version of the compiler due to better packing of member 'member'
"/wd4503" # 'Identifier': decorated name length exceeded, name was truncated
"/wd4510" # 'Class': default constructor could not be generated
"/wd4512" # 'Class': assignment operator could not be generated
"/wd4514" # 'Function' : unreferenced inline function has been removed
"/wd4571" # Informational: catch(...) semantics changed since Visual C++ 7.1; structured exceptions (SEH) are no longer caught
"/wd4610" # 'Class': can never be instantiated - user defined constructor required
"/wd4625" # 'Derived class' : copy constructor was implicitly defined as deleted because a base class copy constructor is inaccessible or deleted
"/wd4626" # 'Derived class' : assignment operator was implicitly defined as deleted because a base class assignment operator is inaccessible or deleted
"/wd4628" # digraphs not supported with -Ze. Character sequence 'digraph' not interpreted as alternate token for 'char'
"/wd4640" # 'Instance': construction of local static object is not thread-safe
"/wd4710" # 'Function': function not inlined
"/wd4711" # Function 'function' selected for inline expansion
"/wd4723" # potential divide by 0
"/wd4738" # Storing 32-bit float result in memory, possible loss of performance
"/wd4820" # 'Bytes': bytes padding added after construct 'member_name'
"/wd4996" # Your code uses a function, class member, variable, or typedef that's marked deprecated
"/wd5045" # Compiler will insert Spectre mitigation for memory load if /Qspectre switch specified
"/wd5204" # 'class' : class has virtual functions, but destructor is not virtual
)
if(MSVC_VERSION VERSION_GREATER 1800)
set(build_flags_COMMON_LIST
${build_flags_COMMON_LIST}
"/wd4464" # Relative include path contains '..'
"/wd4548" # Expression before comma has no effect; expected expression with side-effect
"/wd4623" # 'Derived class': default constructor could not be generated because a base class default constructor is inaccessible
"/wd4868" # Compiler may not enforce left-to-right evaluation order in braced initializer list
"/wd5026" # Move constructor was implicitly defined as deleted
"/wd5027" # Move assignment operator was implicitly defined as deleted
"/wd5262" # implicit fall-through
"/wd5264" # 'variable-name': 'const' variable is not used
)
endif()
if(MSVC_VERSION VERSION_GREATER 1900)
set(build_flags_COMMON_LIST
${build_flags_COMMON_LIST}
"/wd4987" # nonstandard extension used: 'throw (...)'
"/wd4774" # 'printf_s' : format string expected in argument 1 is not a string literal
"/wd5039" # "pointer or reference to potentially throwing function passed to extern C function under -EHc. Undefined behavior may occur if this function throws an exception."
)
endif()
if(NOT LINK_BUILD_ASIO)
set(build_flags_COMMON_LIST
${build_flags_COMMON_LIST}
"/wd4917" # 'Symbol': a GUID can only be associated with a class, interface or namespace
# This compiler warning is generated by Microsoft's own ocidl.h, which is
# used when building the WASAPI driver.
)
endif()
endif()
# ____ _ __ _
# / ___| ___| |_ / _| | __ _ __ _ ___
# \___ \ / _ \ __| | |_| |/ _` |/ _` / __|
# ___) | __/ |_ | _| | (_| | (_| \__ \
# |____/ \___|\__| |_| |_|\__,_|\__, |___/
# |___/
# Translate lists to strings
string(REPLACE ";" " " build_flags_COMMON "${build_flags_COMMON_LIST}")
string(REPLACE ";" " " build_flags_DEBUG "${build_flags_DEBUG_LIST}")
string(REPLACE ";" " " build_flags_RELEASE "${build_flags_RELEASE_LIST}")
# Set flags for different build types
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${build_flags_COMMON}")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${build_flags_DEBUG}")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${build_flags_RELEASE}")