libllvm: fix system library path for i686 added by clang

packages/libllvm/build.sh

@@ -3,7 +3,7 @@ TERMUX_PKG_DESCRIPTION="Modular compiler and toolchain technologies library"
 TERMUX_PKG_LICENSE="NCSA"
 TERMUX_PKG_MAINTAINER="@buttaface"
 TERMUX_PKG_VERSION=13.0.0
-TERMUX_PKG_REVISION=2
+TERMUX_PKG_REVISION=3
 TERMUX_PKG_SHA256=6075ad30f1ac0e15f07c1bf062c1e1268c241d674f11bd32cdf0e040c71f2bf3
 TERMUX_PKG_SRCURL=https://github.com/llvm/llvm-project/releases/download/llvmorg-$TERMUX_PKG_VERSION/llvm-project-$TERMUX_PKG_VERSION.src.tar.xz
 TERMUX_PKG_HOSTBUILD=true

packages/libllvm/clang-lib-Driver-ToolChains-Linux.cpp.patch

@@ -1,5 +1,16 @@
 --- a/clang/lib/Driver/ToolChains/Linux.cpp	2019-12-21 22:30:03.676720096 +0000
 +++ b/clang/lib/Driver/ToolChains/Linux.cpp	2019-12-21 22:34:42.941719383 +0000
+@@ -162,8 +162,8 @@ static StringRef getOSLibDir(const llvm::Triple &Triple, const ArgList &Args) {
+   // FIXME: This is a bit of a hack. We should really unify this code for
+   // reasoning about oslibdir spellings with the lib dir spellings in the
+   // GCCInstallationDetector, but that is a more significant refactoring.
+-  if (Triple.getArch() == llvm::Triple::x86 || Triple.isPPC32() ||
+-      Triple.getArch() == llvm::Triple::sparc)
++  if (!Triple.isAndroid() && (Triple.getArch() == llvm::Triple::x86 || Triple.isPPC32() ||
++      Triple.getArch() == llvm::Triple::sparc))
+     return "lib32";
+ 
+   if (Triple.getArch() == llvm::Triple::x86_64 && Triple.isX32())
 @@ -403,7 +403,7 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
    if (Triple.getVendor() == llvm::Triple::OpenEmbedded &&
        Triple.isArch64Bit())