[PATCH] D97736: [Driver] Add a experimental option to link to LLVM libc.
Siva Chandra via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Thu Mar 4 17:14:46 PST 2021
sivachandra added inline comments.
================
Comment at: clang/lib/Driver/ToolChains/Gnu.cpp:680
+ for (StringRef Arg : CmdArgs) {
+ if (Arg == "-lm" || Arg == "-lc") {
+ // TODO: Add -lllvmlibc before -lpthread when LLVM libc has pthread
----------------
sivachandra wrote:
> phosek wrote:
> > This wouldn't handle the case where you use `-nolibc path/to/libc.a` in which case you'd have to manually pass in the `libllvmllibc.a`, but I'm not sure if that's a case we care about.
> Yeah, its hard to cater to all combinations. In this case though, assuming `libllvmlibc.a` is available in path, one can add `-lllvmlibc` in the right place.
Another point to note is that `-nolibc` does not prevent `-lm` from getting added for C++ compilations.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D97736/new/
https://reviews.llvm.org/D97736
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