clang-detect-arches.patch

diff -up clang-1/lib/Driver/ToolChains.cpp.orig clang-1/lib/Driver/ToolChains.cpp
--- clang-1/lib/Driver/ToolChains.cpp.orig	2017-01-10 22:13:08.000000000 +0100
+++ clang-1/lib/Driver/ToolChains.cpp	2017-03-13 21:34:50.461682464 +0100
@@ -1531,16 +1531,17 @@ bool Generic_GCC::GCCInstallationDetecto
   static const char *const AArch64LibDirs[] = {"/lib64", "/lib"};
   static const char *const AArch64Triples[] = {
       "aarch64-none-linux-gnu", "aarch64-linux-gnu", "aarch64-linux-android",
-      "aarch64-redhat-linux", "aarch64-suse-linux"};
+      "aarch64-redhat-linux", "aarch64-suse-linux", "aarch64-unknown-linux"};
   static const char *const AArch64beLibDirs[] = {"/lib"};
   static const char *const AArch64beTriples[] = {"aarch64_be-none-linux-gnu",
                                                  "aarch64_be-linux-gnu"};
 
   static const char *const ARMLibDirs[] = {"/lib"};
-  static const char *const ARMTriples[] = {"arm-linux-gnueabi",
+  static const char *const ARMTriples[] = {"arm-linux-gnueabi", "arm-unknown-linux-gnueabi",
                                            "arm-linux-androideabi"};
   static const char *const ARMHFTriples[] = {"arm-linux-gnueabihf",
-                                             "armv7hl-redhat-linux-gnueabi"};
+                                             "armv7hl-redhat-linux-gnueabi",
+                                             "arm-unknown-linux-gnueabi" };
   static const char *const ARMebLibDirs[] = {"/lib"};
   static const char *const ARMebTriples[] = {"armeb-linux-gnueabi",
                                              "armeb-linux-androideabi"};
@@ -1562,7 +1563,7 @@ bool Generic_GCC::GCCInstallationDetecto
       "i386-linux-gnu",       "i386-redhat-linux6E",   "i686-redhat-linux",
       "i586-redhat-linux",    "i386-redhat-linux",     "i586-suse-linux",
       "i486-slackware-linux", "i686-montavista-linux", "i686-linux-android",
-      "i586-linux-gnu"};
+      "i586-linux-gnu",       "i586-unknown-linux"};
 
   static const char *const MIPSLibDirs[] = {"/lib"};
   static const char *const MIPSTriples[] = {"mips-linux-gnu", "mips-mti-linux",