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if (CLR_CMAKE_PLATFORM_UNIX)
# Disable frame pointer optimizations so profilers can get better call stacks
add_compile_options(-fno-omit-frame-pointer)
# The -fms-extensions enable the stuff like __if_exists, __declspec(uuid()), etc.
add_compile_options(-fms-extensions )
#-fms-compatibility Enable full Microsoft Visual C++ compatibility
#-fms-extensions Accept some non-standard constructs supported by the Microsoft compiler
# Make signed arithmetic overflow of addition, subtraction, and multiplication wrap around
# using twos-complement representation (this is normally undefined according to the C++ spec).
add_compile_options(-fwrapv)
if(CLR_CMAKE_PLATFORM_DARWIN)
# We cannot enable "stack-protector-strong" on OS X due to a bug in clang compiler (current version 7.0.2)
add_compile_options(-fstack-protector)
else()
add_compile_options(-fstack-protector-strong)
endif(CLR_CMAKE_PLATFORM_DARWIN)
add_definitions(-DDISABLE_CONTRACTS)
# The -ferror-limit is helpful during the porting, it makes sure the compiler doesn't stop
# after hitting just about 20 errors.
add_compile_options(-ferror-limit=4096)
if (CLR_CMAKE_WARNINGS_ARE_ERRORS)
# All warnings that are not explicitly disabled are reported as errors
add_compile_options(-Werror)
endif(CLR_CMAKE_WARNINGS_ARE_ERRORS)
# Disabled warnings
add_compile_options(-Wno-unused-private-field)
add_compile_options(-Wno-unused-variable)
# Explicit constructor calls are not supported by clang (this->ClassName::ClassName())
add_compile_options(-Wno-microsoft)
# This warning is caused by comparing 'this' to NULL
add_compile_options(-Wno-tautological-compare)
# There are constants of type BOOL used in a condition. But BOOL is defined as int
# and so the compiler thinks that there is a mistake.
add_compile_options(-Wno-constant-logical-operand)
# We use pshpack1/2/4/8.h and poppack.h headers to set and restore packing. However
# clang 6.0 complains when the packing change lifetime is not contained within
# a header file.
add_compile_options(-Wno-pragma-pack)
add_compile_options(-Wno-unknown-warning-option)
#These seem to indicate real issues
add_compile_options(-Wno-invalid-offsetof)
# The following warning indicates that an attribute __attribute__((__ms_struct__)) was applied
# to a struct or a class that has virtual members or a base class. In that case, clang
# may not generate the same object layout as MSVC.
add_compile_options(-Wno-incompatible-ms-struct)
# Some architectures (e.g., ARM) assume char type is unsigned while CoreCLR assumes char is signed
# as x64 does. It has been causing issues in ARM (https://github.com/dotnet/coreclr/issues/4746)
add_compile_options(-fsigned-char)
endif(CLR_CMAKE_PLATFORM_UNIX)
if(CLR_CMAKE_PLATFORM_UNIX_ARM)
# Because we don't use CMAKE_C_COMPILER/CMAKE_CXX_COMPILER to use clang
# we have to set the triple by adding a compiler argument
add_compile_options(-mthumb)
add_compile_options(-mfpu=vfpv3)
add_compile_options(-march=armv7-a)
if(ARM_SOFTFP)
add_definitions(-DARM_SOFTFP)
add_compile_options(-mfloat-abi=softfp)
endif(ARM_SOFTFP)
endif(CLR_CMAKE_PLATFORM_UNIX_ARM)
if (WIN32)
# Compile options for targeting windows
# The following options are set by the razzle build
add_compile_options(/TP) # compile all files as C++
add_compile_options(/d2Zi+) # make optimized builds debugging easier
add_compile_options(/nologo) # Suppress Startup Banner
add_compile_options(/W3) # set warning level to 3
add_compile_options(/WX) # treat warnings as errors
add_compile_options(/Oi) # enable intrinsics
add_compile_options(/Oy-) # disable suppressing of the creation of frame pointers on the call stack for quicker function calls
add_compile_options(/U_MT) # undefine the predefined _MT macro
add_compile_options(/GF) # enable read-only string pooling
add_compile_options(/Gm-) # disable minimal rebuild
add_compile_options(/EHa) # enable C++ EH (w/ SEH exceptions)
add_compile_options(/Zp8) # pack structs on 8-byte boundary
add_compile_options(/Gy) # separate functions for linker
add_compile_options(/Zc:wchar_t-) # C++ language conformance: wchar_t is NOT the native type, but a typedef
add_compile_options(/Zc:forScope) # C++ language conformance: enforce Standard C++ for scoping rules
add_compile_options(/GR-) # disable C++ RTTI
add_compile_options(/FC) # use full pathnames in diagnostics
add_compile_options(/MP) # Build with Multiple Processes (number of processes equal to the number of processors)
add_compile_options(/GS) # Buffer Security Check
add_compile_options(/Zm200) # Specify Precompiled Header Memory Allocation Limit of 150MB
add_compile_options(/wd4960 /wd4961 /wd4603 /wd4627 /wd4838 /wd4456 /wd4457 /wd4458 /wd4459 /wd4091 /we4640)
add_compile_options(/Zi) # enable debugging information
add_compile_options(/ZH:SHA_256) # use SHA256 for generating hashes of compiler processed source files.
add_compile_options(/source-charset:utf-8) # Force MSVC to compile source as UTF-8.
if (CLR_CMAKE_PLATFORM_ARCH_I386)
add_compile_options(/Gz)
endif (CLR_CMAKE_PLATFORM_ARCH_I386)
add_compile_options($<$<OR:$<CONFIG:Release>,$<CONFIG:Relwithdebinfo>>:/GL>)
add_compile_options($<$<OR:$<OR:$<CONFIG:Release>,$<CONFIG:Relwithdebinfo>>,$<CONFIG:Checked>>:/O1>)
if (CLR_CMAKE_PLATFORM_ARCH_AMD64)
# The generator expression in the following command means that the /homeparams option is added only for debug builds
add_compile_options($<$<CONFIG:Debug>:/homeparams>) # Force parameters passed in registers to be written to the stack
endif (CLR_CMAKE_PLATFORM_ARCH_AMD64)
# enable control-flow-guard support for native components for non-Arm64 builds
add_compile_options(/guard:cf)
# Statically linked CRT (libcmt[d].lib, libvcruntime[d].lib and libucrt[d].lib) by default. This is done to avoid
# linking in VCRUNTIME140.DLL for a simplified xcopy experience by reducing the dependency on VC REDIST.
#
# For Release builds, we shall dynamically link into uCRT [ucrtbase.dll] (which is pushed down as a Windows Update on downlevel OS) but
# wont do the same for debug/checked builds since ucrtbased.dll is not redistributable and Debug/Checked builds are not
# production-time scenarios.
add_compile_options($<$<OR:$<CONFIG:Release>,$<CONFIG:Relwithdebinfo>>:/MT>)
add_compile_options($<$<OR:$<CONFIG:Debug>,$<CONFIG:Checked>>:/MTd>)
set(CMAKE_ASM_MASM_FLAGS "${CMAKE_ASM_MASM_FLAGS} /ZH:SHA_256")
endif (WIN32)
if(CLR_CMAKE_ENABLE_CODE_COVERAGE)
if(CLR_CMAKE_PLATFORM_UNIX)
string(TOUPPER ${CMAKE_BUILD_TYPE} UPPERCASE_CMAKE_BUILD_TYPE)
if(NOT UPPERCASE_CMAKE_BUILD_TYPE STREQUAL DEBUG)
message( WARNING "Code coverage results with an optimised (non-Debug) build may be misleading" )
endif(NOT UPPERCASE_CMAKE_BUILD_TYPE STREQUAL DEBUG)
add_compile_options(-fprofile-arcs)
add_compile_options(-ftest-coverage)
set(CLANG_COVERAGE_LINK_FLAGS "--coverage")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${CLANG_COVERAGE_LINK_FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${CLANG_COVERAGE_LINK_FLAGS}")
else()
message(FATAL_ERROR "Code coverage builds not supported on current platform")
endif(CLR_CMAKE_PLATFORM_UNIX)
endif(CLR_CMAKE_ENABLE_CODE_COVERAGE)
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