diff -u net-cpp-1.2.0+15.04.20150415.2/debian/changelog net-cpp-1.2.0+15.04.20150415.2/debian/changelog
--- net-cpp-1.2.0+15.04.20150415.2/debian/changelog
+++ net-cpp-1.2.0+15.04.20150415.2/debian/changelog
@@ -1,4 +1,4 @@
-net-cpp (1.2.0+15.04.20150415.2-0ubuntu2~gcc5.1) wily; urgency=medium
+net-cpp (1.2.0+15.04.20150415.2-0ubuntu2~gcc5.2) wily; urgency=medium
 
   * No-change test rebuild for g++5 ABI transition
 
diff -u net-cpp-1.2.0+15.04.20150415.2/debian/control net-cpp-1.2.0+15.04.20150415.2/debian/control
--- net-cpp-1.2.0+15.04.20150415.2/debian/control
+++ net-cpp-1.2.0+15.04.20150415.2/debian/control
@@ -6,10 +6,6 @@
                doxygen,
                google-mock,
                graphviz,
-# We rely on C++11 features, and to prevent from ABI breaks
-# in libstdc++ causing us issues, we explicitly select a G++
-# version.
-               g++-4.9,
                libboost-dev,
                libboost-serialization-dev,
                libboost-system-dev,
diff -u net-cpp-1.2.0+15.04.20150415.2/debian/libnet-cpp1.symbols net-cpp-1.2.0+15.04.20150415.2/debian/libnet-cpp1.symbols
--- net-cpp-1.2.0+15.04.20150415.2/debian/libnet-cpp1.symbols
+++ net-cpp-1.2.0+15.04.20150415.2/debian/libnet-cpp1.symbols
@@ -1,29 +1,23 @@
 libnet-cpp.so.1 libnet-cpp1 #MINVER#
  (c++)"core::net::http::make_client()@Base" 0.0.1+14.10.20140611
  (c++)"core::net::http::make_streaming_client()@Base" 1.1.0+15.04.20150305-0ubuntu1
- (c++)"core::net::make_uri(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&, std::vector<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > const&)@Base" 1.1.0+14.10.20140804
- (c++)"core::net::http::Client::uri_to_string(core::net::Uri const&) const@Base" 1.1.0+14.10.20140804
+ (c++)"core::net::make_uri(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&, std::vector<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > const&)@Base" 1.1.0+14.10.20140804
+ (c++)"core::net::http::Client::uri_to_string[abi:cxx11](core::net::Uri const&) const@Base" 1.1.0+14.10.20140804
  (c++)"core::net::http::Client::Errors::HttpMethodNotSupported::HttpMethodNotSupported(core::net::http::Method, core::Location const&)@Base" 0.0.1+14.10.20140611
- (c++)"core::net::http::Client::Errors::HttpMethodNotSupported::~HttpMethodNotSupported()@Base" 0.0.1+14.10.20140611
- (c++)"core::net::http::Client::post_form(core::net::http::Request::Configuration const&, std::map<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::less<std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > const&)@Base" 0.0.1+14.10.20140611
- (c++)"core::net::http::Header::canonicalize_key(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)@Base" 0.0.1+14.10.20140611
- (c++)"core::net::http::Header::add(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)@Base" 0.0.1+14.10.20140611
- (c++)"core::net::http::Header::set(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)@Base" 0.0.1+14.10.20140611
- (c++)"core::net::http::Header::remove(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)@Base" 0.0.1+14.10.20140611
- (c++)"core::net::http::Header::remove(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)@Base" 0.0.1+14.10.20140611
- (c++)"core::net::http::Header::enumerate(std::function<void (std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::set<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::less<std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&)> const&) const@Base" 0.0.1+14.10.20140611
- (c++)"core::net::http::Request::Credentials::~Credentials()@Base" 0.0.1+14.10.20140611
+ (c++)"core::net::http::Client::post_form(core::net::http::Request::Configuration const&, std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > const&)@Base" 0.0.1+14.10.20140611
+ (c++)"core::net::http::Header::canonicalize_key(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)@Base" 0.0.1+14.10.20140611
+ (c++)"core::net::http::Header::add(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)@Base" 0.0.1+14.10.20140611
+ (c++)"core::net::http::Header::set(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)@Base" 0.0.1+14.10.20140611
+ (c++)"core::net::http::Header::remove(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)@Base" 0.0.1+14.10.20140611
+ (c++)"core::net::http::Header::remove(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)@Base" 0.0.1+14.10.20140611
+ (c++)"core::net::http::Header::enumerate(std::function<void (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::set<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&)> const&) const@Base" 0.0.1+14.10.20140611
  (c++)"core::net::http::Request::Errors::AlreadyActive::AlreadyActive(core::Location const&)@Base" 0.0.1+14.10.20140611
- (c++)"core::net::http::Request::Errors::AlreadyActive::~AlreadyActive()@Base" 0.0.1+14.10.20140611
- (c++)"core::net::http::Request::Handler::Handler(core::net::http::Request::Handler const&)@Base" 1.1.0+15.04.20141204
- (c++)"core::net::http::Request::Handler::~Handler()@Base" 1.1.0+15.04.20141204
  (c++)"core::net::http::Request::Handler::on_progress(std::function<core::net::http::Request::Progress::Next (core::net::http::Request::Progress const&)> const&)@Base" 0.0.1+14.10.20140611
  (c++)"core::net::http::Request::Handler::on_response(std::function<void (core::net::http::Response const&)> const&)@Base" 0.0.1+14.10.20140611
  (c++)"core::net::http::Request::Handler::on_error(std::function<void (core::net::Error const&)> const&)@Base" 0.0.1+14.10.20140611
- (c++)"core::net::http::Response::~Response()@Base" 0.0.1+14.10.20140611
  (c++)"core::net::http::operator<<(std::basic_ostream<char, std::char_traits<char> >&, core::net::http::Status)@Base" 0.0.1+14.10.20140611
- (c++)"core::net::http::Header::has(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const@Base" 0.0.1+14.10.20140611
- (c++)"core::net::http::Header::has(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const@Base" 0.0.1+14.10.20140611
+ (c++)"core::net::http::Header::has(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const@Base" 0.0.1+14.10.20140611
+ (c++)"core::net::http::Header::has(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const@Base" 0.0.1+14.10.20140611
  (c++)"core::net::http::Request::Handler::on_progress() const@Base" 0.0.1+14.10.20140611
  (c++)"core::net::http::Request::Handler::on_response() const@Base" 0.0.1+14.10.20140611
  (c++)"core::net::http::Request::Handler::on_error() const@Base" 0.0.1+14.10.20140611
@@ -44,4 +38,2 @@
- (c++)"vtable for core::net::http::Request@Base" 0.0.1+14.10.20140611
  (c++)"typeinfo for core::net::http::StreamingRequest@Base" 1.1.0+15.04.20150305-0ubuntu1
  (c++)"typeinfo name for core::net::http::StreamingRequest@Base" 1.1.0+15.04.20150305-0ubuntu1
- (c++)"vtable for core::net::http::StreamingRequest@Base" 1.1.0+15.04.20150305-0ubuntu1
\ Kein Zeilenumbruch am Dateiende.
diff -u net-cpp-1.2.0+15.04.20150415.2/debian/rules net-cpp-1.2.0+15.04.20150415.2/debian/rules
--- net-cpp-1.2.0+15.04.20150415.2/debian/rules
+++ net-cpp-1.2.0+15.04.20150415.2/debian/rules
@@ -2,14 +2,10 @@
 # -*- makefile -*-
 
 export DPKG_GENSYMBOLS_CHECK_LEVEL=4
+export DEB_CXXFLAGS_MAINT_APPEND = -Wno-error=unused-variable
 
 include /usr/share/dpkg/default.mk
 
-# Explicitly selecting a G{CC,++}-version here to avoid accidental
-# ABI breaks introduced by toolchain updates.
-export CC=$(DEB_HOST_GNU_TYPE)-gcc-4.9
-export CXX=$(DEB_HOST_GNU_TYPE)-g++-4.9
-
 %:
 	dh $@ --fail-missing