Simplify CI of examples

Author: robertodr

.ci/example.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+set -eu -o pipefail
+
+example=$1
+lang="${example/_*/}"
+var=${lang}_COMPILER
+compiler=${var}
+echo "-- Running example $example"
+(
+    cd examples/"$example"
+    cmake -H. -Bbuild -DXCFun_DIR="$HOME"/Software/xcfun/share/cmake/XCFun -DCMAKE_"${lang}"_COMPILER="${!compiler}"
+    cmake --build build
+    cd build
+    ctest
+)
+echo "-- Done with example $example"

.travis.yml

@@ -126,6 +126,9 @@ script:
   - ctest --output-on-failure --verbose --parallel 2
   # Check that Python bindings are usable from install prefix
   - env PYTHONPATH=$HOME/Software/xcfun/lib/python:$PYTHONPATH python -c 'import xcfun; print(xcfun.xcfun_splash())'
+  - cd -
+  # Build C++ example
+  - bash .ci/example.sh CXX_host
 
 after_success:
   - |