Patch implicit bool conversion in xmlmm

CMakeLists.txt

@@ -45,6 +45,8 @@ GET(${GTKMM_DIR_URL}/${GTKMM_DIR}.tar.xz)
 GET(${PANGOMM_DIR_URL}/${PANGOMM_DIR}.tar.xz)
 GET(${SIGC_DIR_URL}/${SIGC_DIR}.tar.xz)
 GET(${XMLMM_DIR_URL}/${XMLMM_DIR}.tar.xz)
+execute_process(COMMAND ${PATCH} -p0 -i ${CMAKE_CURRENT_SOURCE_DIR}/patches/libxmlpp_stream_explicit_bool.patch
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/${XMLMM_DIR})
 GET(${GSTREAMERMM_DIR_URL}/${GSTREAMERMM_DIR}.tar.xz)
 GET_VERSION(${GSTREAMERMM_DIR} GSTREAMERMM_MAJOR_VERSION GSTREAMERMM_MINOR_VERSION GSTREAMERMM_MICRO_VERSION)
 execute_process(COMMAND ${PATCH} -p0 -i ${CMAKE_CURRENT_SOURCE_DIR}/patches/gstreamer_mp_player_window_cc.patch

patches/libxmlpp_stream_explicit_bool.patch

@@ -0,0 +1,30 @@
+diff -burN libxml++.orig/io/istreamparserinputbuffer.cc libxml++/io/istreamparserinputbuffer.cc
+--- libxml++.orig/io/istreamparserinputbuffer.cc	2013-09-29 04:45:16.000000000 -0500
++++ libxml++/io/istreamparserinputbuffer.cc	2015-04-25 23:21:46.392578500 -0500
+@@ -39,6 +39,6 @@
+
+   bool IStreamParserInputBuffer::do_close()
+   {
+-    return input_;
++    return !input_.fail();
+   }
+ }
+diff -burN libxml++.orig/io/ostreamoutputbuffer.cc libxml++/io/ostreamoutputbuffer.cc
+--- libxml++.orig/io/ostreamoutputbuffer.cc	2013-09-29 04:45:16.000000000 -0500
++++ libxml++/io/ostreamoutputbuffer.cc	2015-04-25 23:24:57.258269000 -0500
+@@ -29,13 +29,13 @@
+     // here we rely on the ostream implicit conversion to boolean, to know if the stream can be used and/or if the write succeded.
+     if(output_)
+       output_.write(buffer, len);
+-    return output_;
++    return !output_.fail();
+   }
+
+   bool OStreamOutputBuffer::do_close()
+   {
+     if(output_)
+         output_.flush();
+-    return output_;
++    return !output_.fail();
+   }
+ }