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e93c1bb648
Make it so that SDKs for other architectures can be easily installed and used for cross-compilation.
42 lines
2.1 KiB
Diff
42 lines
2.1 KiB
Diff
diff --git a/llvm-project/clang/lib/Driver/ToolChains/Linux.cpp b/llvm-project/clang/lib/Driver/ToolChains/Linux.cpp
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index 0836903a0..e556e56fd 100644
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--- a/llvm-project/clang/lib/Driver/ToolChains/Linux.cpp
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+++ b/llvm-project/clang/lib/Driver/ToolChains/Linux.cpp
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@@ -162,8 +162,8 @@ static StringRef getOSLibDir(const llvm::Triple &Triple, const ArgList &Args) {
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// FIXME: This is a bit of a hack. We should really unify this code for
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// reasoning about oslibdir spellings with the lib dir spellings in the
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// GCCInstallationDetector, but that is a more significant refactoring.
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- if (Triple.getArch() == llvm::Triple::x86 || Triple.isPPC32() ||
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- Triple.getArch() == llvm::Triple::sparc)
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+ if (!Triple.isAndroid() && (Triple.getArch() == llvm::Triple::x86 || Triple.isPPC32() ||
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+ Triple.getArch() == llvm::Triple::sparc))
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return "lib32";
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if (Triple.getArch() == llvm::Triple::x86_64 && Triple.isX32())
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@@ -287,7 +287,7 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
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if (Triple.getVendor() == llvm::Triple::OpenEmbedded &&
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Triple.isArch64Bit())
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addPathIfExists(D, concat(SysRoot, "/usr", OSLibDir), Paths);
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- else
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+ else if (!IsAndroid)
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addPathIfExists(D, concat(SysRoot, "/usr/lib/..", OSLibDir), Paths);
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if (IsRISCV) {
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StringRef ABIName = tools::riscv::getRISCVABI(Args, Triple);
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@@ -311,7 +311,15 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
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}
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addPathIfExists(D, concat(SysRoot, "/lib"), Paths);
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- addPathIfExists(D, concat(SysRoot, "/usr/lib"), Paths);
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+ bool nativeBuild = MultiarchTriple == getMultiarchTriple(D, llvm::Triple(llvm::sys::getDefaultTargetTriple()), SysRoot);
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+ if (nativeBuild || !IsAndroid)
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+ addPathIfExists(D, concat(SysRoot, "/usr/lib"), Paths);
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+
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+ if (IsAndroid) {
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+ addPathIfExists(D, concat(SysRoot, "/usr/", MultiarchTriple, "/lib"), Paths);
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+ addPathIfExists(D, concat("/system/", OSLibDir), Paths);
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+ ExtraOpts.push_back("-rpath=" + SysRoot + "/usr/lib");
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+ }
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}
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ToolChain::RuntimeLibType Linux::GetDefaultRuntimeLibType() const {
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