use clang

.travis.yml

@@ -2,10 +2,6 @@ language: cpp
 
 sudo: false
 
-compiler:
- - clang
- - gcc
-
 # travis + ubuntugis with gdal and postggis leads to many potential dead-end conflicts
 # the below is thanks to https://github.com/CartoDB/Windshaft/blob/d82fe08b32fc7907bbe907ab290f8a082215ae26/.travis.yml#L1
 before_install:

bootstrap.sh

@@ -162,8 +162,8 @@ MASON_LIBS="${MASON_LINKED}/lib"
 MASON_INCLUDES="${MASON_LINKED}/include"
 
 ./configure \
-  CC=${TOOLCHAIN}/usr/bin/g++-4.8 \
-  CXX=${TOOLCHAIN}/usr/bin/g++-4.8 \
+  CC=${TOOLCHAIN}/usr/bin/clang-3.5 \
+  CXX=${TOOLCHAIN}/usr/bin/clang++-3.5 \
   INPUT_PLUGINS=all \
   SAMPLE_INPUT_PLUGINS=True \
   SVG2PNG=True \