Build with gcc 4.9

.travis.yml

@@ -7,23 +7,23 @@ matrix:
     - os: linux
   include:
     - os: linux
-      env: FLAVOR=linux CXX=g++-4.8 BUILDTYPE=Release
+      env: FLAVOR=linux CXX=g++-4.9 BUILDTYPE=Release
       addons:
         apt:
           sources: [ 'ubuntu-toolchain-r-test' ]
-          packages: [ 'gdb', 'g++-4.8', 'gcc-4.8', 'libllvm3.4', 'xutils-dev', 'libxxf86vm-dev', 'x11proto-xf86vidmode-dev', 'mesa-utils' ]
+          packages: [ 'gdb', 'g++-4.9', 'gcc-4.9', 'libllvm3.4', 'xutils-dev', 'libxxf86vm-dev', 'x11proto-xf86vidmode-dev', 'mesa-utils' ]
     - os: linux
       env: FLAVOR=linux CXX=clang++ BUILDTYPE=Debug
       addons:
         apt:
           sources: [ 'ubuntu-toolchain-r-test' ]
-          packages: [ 'gdb', 'libgcc-4.8-dev', 'libstdc++-4.8-dev', 'libstdc++6', 'libllvm3.4', 'xutils-dev', 'libxxf86vm-dev', 'x11proto-xf86vidmode-dev', 'mesa-utils' ]
+          packages: [ 'gdb', 'libstdc++-4.9-dev', 'libstdc++6', 'libllvm3.4', 'xutils-dev', 'libxxf86vm-dev', 'x11proto-xf86vidmode-dev', 'mesa-utils' ]
     - os: linux
       env: FLAVOR=linux CXX=clang++ BUILDTYPE=Release
       addons:
         apt:
           sources: [ 'ubuntu-toolchain-r-test' ]
-          packages: [ 'gdb', 'libgcc-4.8-dev', 'libstdc++-4.8-dev', 'libstdc++6', 'libllvm3.4', 'xutils-dev', 'libxxf86vm-dev', 'x11proto-xf86vidmode-dev', 'mesa-utils' ]
+          packages: [ 'gdb', 'libstdc++-4.9-dev', 'libstdc++6', 'libllvm3.4', 'xutils-dev', 'libxxf86vm-dev', 'x11proto-xf86vidmode-dev', 'mesa-utils' ]
     - os: osx
       env: FLAVOR=osx BUILDTYPE=Debug
     - os: osx

README.md

@@ -5,7 +5,7 @@ implemented in C++11, currently targeting iOS, OS X, Android, and Ubuntu Linux.
 
 # Depends
 
- - Modern C++ compiler that supports `-std=c++11` (On OS X clang++, on Linux g++-4.8 or g++-4.9)
+ - Modern C++ compiler that supports `-std=c++14` (On OS X clang++, on Linux g++-4.9)
  - [Boost headers](http://boost.org/)
  - [`zlib`](http://www.zlib.net/)
  - [`libpng`](http://www.libpng.org/pub/png/libpng.html)
@@ -85,8 +85,8 @@ Install GCC 4.8+ if you are running Ubuntu 13.10 or older. Alternatively, you ca
 
     sudo add-apt-repository --yes ppa:ubuntu-toolchain-r/test
     sudo apt-get update
-    sudo apt-get install gcc-4.8 g++-4.8
-    export CXX=g++-4.8
+    sudo apt-get install gcc-4.9 g++-4.9
+    export CXX=g++-4.9
 
 Ensure you have git and other build essentials:
 

gyp/common.gypi

@@ -34,7 +34,6 @@
           '-Wshadow',
           '-Wno-variadic-macros',
           '-Wno-error=unused-parameter',
-          '-Wno-unknown-warning-option',
           '-frtti',
           '-fexceptions',
         ],

src/mbgl/util/uv_detail.hpp

@@ -75,8 +75,8 @@ public:
     }
 
     inline ~handle() {
-        uv_close(t.release(), [](uv_handle_t* handle) {
-            delete reinterpret_cast<T*>(handle);
+        uv_close(t.release(), [](uv_handle_t* h) {
+            delete reinterpret_cast<T*>(h);
         });
     }