release/18.x: [clang] Don't assume location of compiler-rt for OpenBSD (#92183) #92293
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llvmbot
added
clang
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@llvm/pr-subscribers-clang-driver @llvm/pr-subscribers-clang Author: None (llvmbot) ChangesBackport be10746 Requested by: @Ericson2314 Full diff: https://github.com/llvm/llvm-project/pull/92293.diff 1 Files Affected:
diff --git a/clang/lib/Driver/ToolChains/OpenBSD.cpp b/clang/lib/Driver/ToolChains/OpenBSD.cpp
index fd6aa4d7e6844..00b6c520fcdd7 100644
--- a/clang/lib/Driver/ToolChains/OpenBSD.cpp
+++ b/clang/lib/Driver/ToolChains/OpenBSD.cpp
@@ -371,7 +371,8 @@ std::string OpenBSD::getCompilerRT(const ArgList &Args, StringRef Component,
if (Component == "builtins") {
SmallString<128> Path(getDriver().SysRoot);
llvm::sys::path::append(Path, "/usr/lib/libcompiler_rt.a");
- return std::string(Path);
+ if (getVFS().exists(Path))
+ return std::string(Path);
}
SmallString<128> P(getDriver().ResourceDir);
std::string CRTBasename =
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(I read https://llvm.org/docs/HowToReleaseLLVM.html#release-patch-rules and believe it qualifies. It's a bug fix for me and people like me, and a no-op for everyone else.) |
13 tasks
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@brad0 What do you think about backporting this? |
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cc @epsilon-0 |
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(FWIW #92601 is somewhat a companion backport.) |
brad0
approved these changes
May 17, 2024
If the `/usr/lib/...` path where compiler-rt is conventionally installed on OpenBSD does not exist, fall back to the regular logic to find it. This is a minimal change to allow OpenBSD cross compilation from a toolchain that doesn't adopt all of OpenBSD's monorepo's conventions. (cherry picked from commit be10746)
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Late to the party, but it looks good from my side :) |
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Backport be10746
Requested by: @Ericson2314