mklibs: fix libpthread link error (#5851)

SVN-Revision: 17639

tools/mklibs/patches/004-libpthread_link.patch

@@ -0,0 +1,28 @@
+--- a/src/mklibs.py
++++ b/src/mklibs.py
+@@ -105,14 +105,14 @@ def library_depends(obj):
+ 
+ # Return a list of libraries the passed objects depend on. The
+ # libraries are in "-lfoo" format suitable for passing to gcc.
+-def library_depends_gcc_libnames(obj):
++def library_depends_gcc_libnames(obj, soname):
+     if not os.access(obj, os.F_OK):
+         raise "Cannot find lib: " + obj
+     libs = library_depends(obj)
+     ret = []
+     for i in libs:
+         match = re.match("^(((?P<ld>ld\S*)|(lib(?P<lib>\S+))))\.so.*$", i)
+-        if match:
++        if match and not soname in ("libpthread.so.0"):
+             if match.group('ld'):
+                 ret.append(find_lib(match.group(0)))
+             elif match.group('lib'):
+@@ -592,7 +592,7 @@ while 1:
+             cmd.extend(extra_flags)
+             cmd.append("-lgcc")
+             cmd.extend(["-L%s" % a for a in [dest_path] + [sysroot + b for b in lib_path if sysroot == "" or b not in ("/" + libdir + "/", "/usr/" + libdir + "/")]])
+-            cmd.append(library_depends_gcc_libnames(so_file))
++            cmd.append(library_depends_gcc_libnames(so_file, soname))
+             command(target + "gcc", *cmd)
+ 
+             ## DEBUG