8000 attempt to make project build on windows with clang by solomoncyj · Pull Request #1745 · uxlfoundation/oneTBB · GitHub
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attempt to make project build on windows with clang #1745

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attempt to make project build on windows with clang #1745

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@solomoncyj solomoncyj commented Jun 2, 2025 •
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Description

prevents the flags -fPIC, -fstack-clash-protection from crashing the build and add -Wno-error=deprecated as it will raise a warning that crashes the build due to -Werror otherwise

Fixes #1741

Type of change

  • [*] bug fix - change that fixes an issue
  • new feature - change that adds functionality
  • tests - change in tests
  • infrastructure - change in infrastructure and CI
  • documentation - documentation update

Tests

  • added - required for new features and some bug fixes
  • [*] not needed

Documentation

  • updated in # - add PR number
  • needs to be updated
  • [*] not needed

Breaks backward compatibility

  • Yes
  • [*] No
  • Unknown

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Other information

linking still fialis halfway with:

FAILED: clang_20.1_cxx11_64_release/tbbmalloc.dll clang_20.1_cxx11_64_release/tbbmalloc.lib
C:\WINDOWS\system32\cmd.exe /C "cd . && C:\PROGRA~1\LLVM\bin\clang.exe -nostartfiles -nostdlib -O3 -DNDEBUG -D_DLL -D_MT -Xclang --dependent-lib=msvcrt -flto=thin  -Wl,--version-script="C:/Users/solom/Downloads/oneTBB/src/tbbmalloc/def/lin64-tbbmalloc.def"  -Wl,-z,relro,-z,now,-z,noexecstack -fuse-ld=lld-link -shared -o clang_20.1_cxx11_64_release\tbbmalloc.dll  -Xlinker /MANIFEST:EMBED -Xlinker /implib:clang_20.1_cxx11_64_release\tbbmalloc.lib -Xlinker /pdb:clang_20.1_cxx11_64_release\tbbmalloc.pdb -Xlinker /version:2.16 src/tbbmalloc/CMakeFiles/tbbmalloc.dir/backend.cpp.obj src/tbbmalloc/CMakeFiles/tbbmalloc.dir/backref.cpp.obj src/tbbmalloc/CMakeFiles/tbbmalloc.dir/frontend.cpp.obj src/tbbmalloc/CMakeFiles/tbbmalloc.dir/large_objects.cpp.obj src/tbbmalloc/CMakeFiles/tbbmalloc.dir/tbbmalloc.cpp.obj src/tbbmalloc/CMakeFiles/tbbmalloc.dir/__/tbb/itt_notify.cpp.obj src/tbbmalloc/CMakeFiles/tbbmalloc.dir/tbbmalloc.rc.res  -lkernel32 -luser32 -lgdi32 -lwinspool -lshell32 -lole32 -loleaut32 -luuid -lcomdlg32 -ladvapi32 -loldnames  && C:\WINDOWS\system32\cmd.exe /C "cd /D C:\Users\solom\Downloads\oneTBB\build\src\tbbmalloc && "C:\Program Files\PowerShell\7\pwsh.exe" -noprofile -executionpolicy Bypass -file C:/Users/solom/Downloads/vcpkg/scripts/buildsystems/msbuild/applocal.ps1 -targetBinary C:/Users/solom/Downloads/oneTBB/build/clang_20.1_cxx11_64_release/tbbmalloc.dll -installedDir C:/Users/solom/Downloads/vcpkg/installed/x64-windows/bin -OutVariable out""
lld-link: warning: ignoring unknown argument '--version-script=C:/Users/solom/Downloads/oneTBB/src/tbbmalloc/def/lin64-tbbmalloc.def'
lld-link: warning: ignoring unknown argument '-z'
lld-link: warning: ignoring unknown argument '-z'
lld-link: warning: ignoring unknown argument '-z'
lld-link: error: could not open 'relro': no such file or directory
lld-link: error: could not open 'now': no such file or directory
lld-link: error: could not open 'noexecstack': no such file or directory
clang: error: linker command failed with exit code 1 (use -v to see invocation)
[28/331] Building CXX object src/tbb/CMakeFiles/tbb.dir/main.cpp.obj
In file included from C:/Users/solom/Downloads/oneTBB/src/tbb/main.cpp:22:
C:/Users/solom/Downloads/oneTBB/src/tbb\environment.h:39:31: warning: 'getenv' is deprecated: This function or variable may be unsafe. Consider using _dupenv_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details. [-Wdeprecated-declarations]

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Does not build on clang on windows due to flag -fPIC not being suppored
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