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36 lines
1.5 KiB
Diff
36 lines
1.5 KiB
Diff
From eca9994181dc355cfba61e726c038832d5ff6975 Mon Sep 17 00:00:00 2001
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From: Daniel Kolesa <daniel@octaforge.org>
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Date: Sun, 23 Oct 2022 00:47:57 +0200
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Subject: [PATCH 1/4] clang: add fortify include paths for musl triplets
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When we have fortify headers this lets them get included.
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---
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lib/Driver/ToolChains/Linux.cpp | 12 ++++++++----
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1 file changed, 8 insertions(+), 4 deletions(-)
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diff --git a/lib/Driver/ToolChains/Linux.cpp b/lib/Driver/ToolChains/Linux.cpp
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index 7fcdcf125..d5df4a240 100644
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--- a/lib/Driver/ToolChains/Linux.cpp
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+++ b/lib/Driver/ToolChains/Linux.cpp
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@@ -622,10 +622,14 @@ void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
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if (getTriple().getOS() == llvm::Triple::RTEMS)
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return;
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- // Add an include of '/include' directly. This isn't provided by default by
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- // system GCCs, but is often used with cross-compiling GCCs, and harmless to
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- // add even when Clang is acting as-if it were a system compiler.
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- addExternCSystemInclude(DriverArgs, CC1Args, concat(SysRoot, "/include"));
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+ if (getTriple().isMusl()) {
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+ addExternCSystemInclude(DriverArgs, CC1Args, concat(SysRoot, "/usr/include/fortify"));
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+ } else {
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+ // Preserve original clang behavior for non-musl triples, but for musl
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+ // this just gets in the way and none of our crosstoolchains are ever
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+ // actually built this way (and we'd have to figure out fortify for it)
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+ addExternCSystemInclude(DriverArgs, CC1Args, concat(SysRoot, "/include"));
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+ }
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addExternCSystemInclude(DriverArgs, CC1Args, concat(SysRoot, "/usr/include"));
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--
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2.38.0
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