================
@@ -1056,8 +1056,20 @@ void Clang::AddPreprocessingOptions(Compilation &C,
const JobAction &JA,
DepFile = getDependencyFileName(Args, Inputs);
C.addFailureResultFile(DepFile, &JA);
}
- CmdArgs.push_back("-dependency-file");
- CmdArgs.push_back(DepFile);
+ // for host compile, if OPT_MMMD is on, default to create *.d.host file
+ // and merge it with *.d (kernel dep) file in DependencyFile.cpp
+ Arg *ArgMMD = Args.getLastArg(options::OPT_MMMD);
+ auto at = getToolChain().getAuxTriple();
+ if (ArgMMD && !at && std::string(DepFile) != "-") {
+ SmallString<128> NewDepFile(DepFile);
+ NewDepFile.append(".host");
----------------
yxsamliu wrote:
This name may conflict with other files. Is there a way to avoid the conflict?
How about add CUID as part of postfix?
https://github.com/llvm/llvm-project/pull/119513
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