This one has been upstreamed.

Change-Id: I1f55575b07cfc3cddd27b3d42ab354405f13fa60

liborcus/UnpackedTarball_orcus.mk

@@ -14,8 +14,6 @@ $(eval $(call gb_UnpackedTarball_set_tarball,orcus,$(ORCUS_TARBALL)))
 $(eval $(call gb_UnpackedTarball_set_patchlevel,orcus,0))
 
 orcus_patches :=
-# -Werror,-Wunused-variable -Werror,-Wunused-private-field
-orcus_patches += liborcus_0.1.0-warnings.patch
 # make config.sub recognize arm-linux-androideabi
 orcus_patches += liborcus_0.1.0-configure.patch
 # fix MinGW build

liborcus/liborcus_0.1.0-warnings.patch

---- src/liborcus/pstring.cpp	2012-09-07 06:00:35.000000000 +0200
-+++ src/liborcus/pstring.cpp	2012-09-07 16:56:14.000000000 +0200
-@@ -57,25 +57,25 @@
- 
- pstring pstring::intern(const char* str, size_t n)
- {
--    ::boost::mutex::scoped_lock(interned_strings.mtx);
-+    ::boost::mutex::scoped_lock lock(interned_strings.mtx);
-     return interned_strings.store.intern(str, n);
- }
- 
- void pstring::intern::dispose()
- {
--    ::boost::mutex::scoped_lock(interned_strings.mtx);
-+    ::boost::mutex::scoped_lock lock(interned_strings.mtx);
-     interned_strings.store.clear();
- }
- 
- size_t pstring::intern::size()
- {
--    ::boost::mutex::scoped_lock(interned_strings.mtx);
-+    ::boost::mutex::scoped_lock lock(interned_strings.mtx);
-     return interned_strings.store.size();
- }
- 
- void pstring::intern::dump()
- {
--    ::boost::mutex::scoped_lock(interned_strings.mtx);
-+    ::boost::mutex::scoped_lock lock(interned_strings.mtx);
-     interned_strings.store.dump();
- }
- 
---- src/liborcus/xml_map_tree.cpp	2012-09-07 06:00:35.000000000 +0200
-+++ src/liborcus/xml_map_tree.cpp	2012-09-07 16:59:23.000000000 +0200
-@@ -55,15 +55,14 @@
- {
-     const char* mp_char;
-     const char* mp_end;
--    size_t m_size;
- public:
--    xpath_parser(const char* p, size_t n) : mp_char(p), mp_end(p+n), m_size(n)
-+    xpath_parser(const char* p, size_t n) : mp_char(p), mp_end(p+n)
-     {
-         if (!n)
--            xml_map_tree::xpath_error("empty path");
-+            throw xml_map_tree::xpath_error("empty path");
- 
-         if (*p != '/')
--            xml_map_tree::xpath_error("first character must be '/'.");
-+            throw xml_map_tree::xpath_error("first character must be '/'.");
- 
-         ++mp_char;
-     }
-@@ -414,7 +413,7 @@
-     {
-         // Make sure the root element's names are the same.
-         if (mp_root->name != name)
--            xpath_error("path begins with inconsistent root level name.");
-+            throw xpath_error("path begins with inconsistent root level name.");
-     }
-     else
-     {