@@ -1590,6 +1590,11 @@ elif $cc -version 2>/dev/null | grep -q TMS470; then

             esac

         done

     }

+elif $cc -v 2>&1 | grep -q clang; then

+    cc_type=clang

+    cc_version=__VERSION__

+    CC_DEPFLAGS='-MMD'

+    AS_DEPFLAGS='-MMD'

 fi

 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"

@@ -1615,6 +1620,10 @@ if test -n "$sysroot"; then

             add_cppflags -I"$sysinclude"

             add_ldflags  --sysroot="$sysroot"

         ;;

+        clang)

+            add_cppflags -isysroot="$sysroot"

+            add_ldflags -isysroot="$sysroot"

+        ;;

     esac

 fi

@@ -2464,6 +2473,8 @@ elif enabled ccc; then

     add_cflags -msg_disable unreachcode

 elif enabled gcc; then

     check_cflags -fno-tree-vectorize

+elif enabled clang; then

+    check_cflags -Qunused-arguments

 fi

 if enabled gprof; then