Add Release and RelWithDebInfo builds on Travis

.travis.yml

@@ -1,9 +1,13 @@
 language: cpp
 sudo: required
+os: osx
 compiler:
 # - gcc
 - clang
-os: osx
+env:
+  - BUILD_TARGET=Debug
+  - BUILD_TARGET=Release
+  - BUILD_TARGET=RelWithDebInfo
 install:
 - .travisci/install.sh
 script:

.travisci/build_and_test.sh

@@ -31,7 +31,8 @@ cd cmake
 cmake --version
 
 # Build
-cmake .. -DBUILD_TESTING=on -DCMAKE_BUILD_TYPE=Debug
+echo Build target: ${BUILD_TARGET}
+cmake .. -DBUILD_TESTING=on -DCMAKE_BUILD_TYPE=${BUILD_TARGET}
 make -j$NUMCORES
 
 ccache --show-stats