mirror of
https://git.proxmox.com/git/llvm-toolchain
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73 lines
2.8 KiB
Diff
73 lines
2.8 KiB
Diff
Index: llvm-toolchain-14-14.0.6/clang/lib/Driver/ToolChains/WebAssembly.cpp
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===================================================================
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--- llvm-toolchain-14-14.0.6.orig/clang/lib/Driver/ToolChains/WebAssembly.cpp
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+++ llvm-toolchain-14-14.0.6/clang/lib/Driver/ToolChains/WebAssembly.cpp
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@@ -16,6 +16,7 @@
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#include "clang/Driver/Options.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/Path.h"
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+#include "llvm/Support/VirtualFileSystem.h"
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#include "llvm/Option/ArgList.h"
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using namespace clang::driver;
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@@ -172,7 +173,7 @@ WebAssembly::WebAssembly(const Driver &D
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getProgramPaths().push_back(getDriver().getInstalledDir());
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- auto SysRoot = getDriver().SysRoot;
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+ std::string SysRoot = computeSysRoot();
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if (getTriple().getOS() == llvm::Triple::UnknownOS) {
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// Theoretically an "unknown" OS should mean no standard libraries, however
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// it could also mean that a custom set of libraries is in use, so just add
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@@ -396,6 +397,7 @@ void WebAssembly::AddClangSystemIncludeA
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return;
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const Driver &D = getDriver();
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+ std::string SysRoot = computeSysRoot();
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if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
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SmallString<128> P(D.ResourceDir);
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@@ -421,10 +423,10 @@ void WebAssembly::AddClangSystemIncludeA
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if (getTriple().getOS() != llvm::Triple::UnknownOS) {
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const std::string MultiarchTriple =
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- getMultiarchTriple(D, getTriple(), D.SysRoot);
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- addSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/include/" + MultiarchTriple);
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+ getMultiarchTriple(D, getTriple(), SysRoot);
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+ addSystemInclude(DriverArgs, CC1Args, SysRoot + "/include/" + MultiarchTriple);
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}
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- addSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/include");
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+ addSystemInclude(DriverArgs, CC1Args, SysRoot + "/include");
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}
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void WebAssembly::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
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@@ -467,3 +469,15 @@ SanitizerMask WebAssembly::getSupportedS
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Tool *WebAssembly::buildLinker() const {
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return new tools::wasm::Linker(*this);
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}
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+
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+std::string WebAssembly::computeSysRoot() const {
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+ if (!getDriver().SysRoot.empty())
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+ return getDriver().SysRoot;
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+
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+ std::string Path = "/usr";
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+ if (getVFS().exists(Path))
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+ return Path;
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+
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+ return std::string();
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+}
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+
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Index: llvm-toolchain-14-14.0.6/clang/lib/Driver/ToolChains/WebAssembly.h
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===================================================================
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--- llvm-toolchain-14-14.0.6.orig/clang/lib/Driver/ToolChains/WebAssembly.h
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+++ llvm-toolchain-14-14.0.6/clang/lib/Driver/ToolChains/WebAssembly.h
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@@ -80,6 +80,8 @@ private:
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std::string getMultiarchTriple(const Driver &D,
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const llvm::Triple &TargetTriple,
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StringRef SysRoot) const override;
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+
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+ std::string computeSysRoot() const override;
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};
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} // end namespace toolchains
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