Add no-exception and no-rtti to build matrix

.travis.yml

@@ -37,6 +37,9 @@ matrix:
       group: deprecated-2017Q4
       compiler: clang
       env: BUILD_TYPE=Release VERBOSE=1 CXX_FLAGS=-std=c++11
+    - os: linux
+      compiler: clang
+      env: BUILD_TYPE=Release VERBOSE=1 CXX_FLAGS=-std=c++11 NO_EXCEPTION=ON NO_RTTI=ON COMPILER_IS_GNUCXX=ON
     - os: osx
       compiler: gcc
       env: BUILD_TYPE=Debug VERBOSE=1

ci/travis.sh

@@ -24,11 +24,19 @@ export MAKEFLAGS
 
 env | sort
 
+# Set default values to OFF for these variables if not specified.
+: "${NO_EXCEPTION:=OFF}"
+: "${NO_RTTI:=OFF}"
+: "${COMPILER_IS_GNUCXX:=OFF}"
+
 mkdir build || true
 cd build
 cmake -Dgtest_build_samples=ON \
       -Dgtest_build_tests=ON \
       -Dgmock_build_tests=ON \
+      -Dcxx_no_exception=$NO_EXCEPTION \
+      -Dcxx_no_rtti=$NO_RTTI \
+      -DCMAKE_COMPILER_IS_GNUCXX=$COMPILER_IS_GNUCXX \
       -DCMAKE_CXX_FLAGS=$CXX_FLAGS \
       -DCMAKE_BUILD_TYPE=$BUILD_TYPE \
       ..