Exports CC and CXX for gcc and clang.

.travis.yml

@@ -2,8 +2,8 @@ language: cpp
 env:
   matrix:
   - GEN_JSB=YES
-  - PLATFORM=linux DEBUG=1
-  - PLATFORM=linux DEBUG=1 CC=/usr/bin/clang CXX=/usr/bin/clang++
+  - PLATFORM=linux DEBUG=1 CC_COMPILER=gcc CXX_COMPILER=g++
+  - PLATFORM=linux DEBUG=1 CC_COMPILER=clang CXX_COMPILER=clang++
   # Since switching to C++11 only the ARM version of the nactive client
   # port currently builds.  TODO(sbc): Re-enable all architectures.
   # Disabled travis-ci build for native client port since it doesn't support std::thread, std::mutex.
@@ -24,6 +24,8 @@ env:
       9lV+vgJQDRcFe7dKwtC86vk10EU7Ym2bhVmhMxi/AlmJXgavjmPVdizRT7rh
       X2Ry/Nb6hGRkH3WS0T3D/KG1+e7lP/TMB9bvo6/locLJ2A6Z1YI=
 script:
+- export CC=$CC_COMPILER
+- export CXX=$CXX_COMPILER
 - tools/travis-scripts/run-script.sh
 before_install:
 - tools/travis-scripts/before-install.sh