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>
