Amir marked an inline comment as not done.
Amir added inline comments.
================
Comment at: clang/CMakeLists.txt:930-937
+ -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
+ -DCMAKE_C_COMPILER=${CLANG_INSTRUMENTED}
+ -DCMAKE_CXX_COMPILER=${CLANGXX_INSTRUMENTED}
+ -DCMAKE_ASM_COMPILER=${CLANG_INSTRUMENTED}
+ -DCMAKE_ASM_COMPILER_ID=Clang
+ -DCMAKE_BUILD_TYPE=Release
+ -DLLVM_ENABLE_PROJECTS=${CLANG_BOLT_INSTRUMENT_PROJECTS}
----------------
MaskRay wrote:
> phosek wrote:
> > I don't think this is sufficient in the general case, we would need to pass
> > additional variables like `CMAKE_AR` the same way we do for the existing
> > bootstrap logic, see
> > https://github.com/llvm/llvm-project/blob/dc549bf0013e11e8fcccba8a8d59c3a4bb052a3b/clang/CMakeLists.txt#L825.
> >
> > For example, on Fuchsia builders we don't have any system-wide toolchain
> > installation, instead we manually set all necessary `CMAKE_<TOOL>`
> > variables for the first stage, so this call will fail for us because it
> > won't be able to find tools like the archiver.
> >
> > Since handling this properly would likely duplicate a lot of the existing
> > logic from the existing bootstrap logic, I'm wondering if we should instead
> > try to refactor the existing logic and break it up into macros/functions
> > which could then be reused here as well.
> Supporting other cmake variables will be awesome. I use something like
> `-DCMAKE_CXX_ARCHIVE_CREATE="$HOME/llvm/out/stable/bin/llvm-ar qcS --thin
> <TARGET> <OBJECTS>" -DCMAKE_CXX_ARCHIVE_FINISH=:` to make my build smaller.
Addressed in D133633
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D132975/new/
https://reviews.llvm.org/D132975
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