clangcl.txt - mozsearch

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macro_name CLANGCL

minimum_supported_version 14.0

binary_name clang-cl

linker_name lld-link

output_to_object "/Fo"

output_to_exe "/OUT:"

add_include_dir_option "/I"

add_system_include_dir_option "/external:W0 /external:I"

add_lib_dir_option "/LIBPATH:"

add_compile_definition_option "/D"

add_lib_option "%s.lib"

compile_flags "/nologo /c"

supports_gcc_inline_asm yes

optimization_flags "/O2 /Oi"

size_optimization_flags "/O1 /Os"

# for debug info in the object file (required if using sccache):

#debug_info_flags "/Z7"

# for using a PDB file:

debug_info_flags "/Zi /FS"

preproc_flags "/nologo /EP"

# clang-cl has /Zc:preprocessor behavior by default, and does not accept the flag

lang_flags "/Zc:inline /std:c++20 /EHs /GR"

# 4251: STL types used in DLL interface

# 4275: ???

# 5072: ASan without debug info

warning_flags "/W4 /wd4251 /wd4275 /wd5072"

werror_flags "/WX"

visibility_build_flags "/DBOTAN_DLL=__declspec(dllexport)"

visibility_attribute "__declspec(dllimport)"

# Include dependency tracking for Ninja

# See: https://ninja-build.org/manual.html#ref_headers

ninja_header_deps_style 'msvc'

header_deps_flag '/showIncludes'

ar_command lib

ar_options "/nologo"

ar_output_to "/OUT:"

<sanitizers>

default -> address

iterator -> "/D_ITERATOR_DEBUG_LEVEL=1"

address   -> "/fsanitize=address"

</sanitizers>

<isa_flags>

sse2   -> "-msse2"

ssse3  -> "-mssse3"

sse41  -> "-msse4.1"

avx2   -> "-mavx2"

avx512  -> "-mavx512f -mavx512bw -mavx512dq -mavx512vbmi -mavx512vbmi2 -mavx512bitalg -mavx512vl -mavx512ifma"

bmi2   -> "-mbmi -mbmi2"

aesni  -> "-maes -mpclmul"

rdrand -> "-mrdrnd"

rdseed -> "-mrdseed"

sha    -> "-msha"

altivec -> "-maltivec"

arm64:armv8crypto -> "-march=armv8+crypto"

arm64:armv8sha512 -> "-march=armv8.2-a+sha3"

arm32:neon    -> "-mfpu=neon"

arm64:neon    -> ""

</isa_flags>

<lib_flags>

debug -> "/Fd%{build_dir}/%{libname}.pdb"

</lib_flags>

<so_link_commands>

default       -> "{linker} /DLL"

default-debug -> "{linker} /DLL /DEBUG"

</so_link_commands>

<binary_link_commands>

default       -> "{linker}"

default-debug -> "{linker} /DEBUG"

</binary_link_commands>

<mach_abi_linking>

all              -> "/bigobj"

# These can be overridden with --msvc-runtime option

rt               -> "/MD"

rt-debug         -> "/MDd"

</mach_abi_linking>

<ct_value_barrier>

default -> asm

</ct_value_barrier>