Basic tests for the C++ compiler environments on hermit1.

* testing availability of the compiler via version check ("CC --version")
* compiling C++ program including the stdexcept header

tests/c++-compiler/stdexcept.cpp

@@ -0,0 +1,3 @@
+#include <stdexcept>
+
+int main(){return 0;}

tests/c++-compiler/test.sh

@@ -0,0 +1,52 @@
+#!/bin/bash -l
+
+compilers="pgi gcc cray"
+
+compiler_version_cmd() {
+    case $1 in
+        cray|gcc)
+            cmd="CC --version"
+        ;;
+        pgi)
+            cmd="CC -V"
+        ;;
+        *)
+            echo "Unknown compiler $1"
+    esac
+    echo $cmd
+    $cmd
+}
+
+compiler_check_stdexcept() {
+    cmd="CC stdexcept.cpp"
+    echo $cmd
+    $cmd
+}
+
+swap_env() {
+    currentPrgEnv=$(module li 2>&1 | awk '/PrgEnv/{print $2}')
+    if [ "$1" == gcc ] ; then 
+        newPrgEnv="gnu"
+    else
+        newPrgEnv=$1
+    fi
+    module swap $currentPrgEnv PrgEnv-$newPrgEnv
+}
+
+
+pwd
+
+for compiler in $compilers; do
+    for version in $(module av $compiler -l 2>&1 | awk "/^$compiler/{print \$1}" | awk -F'/' '{print $2}'); do 
+        echo "--------------------------------------------------"
+        echo "testing $compiler/$version ..."
+        echo "--------------------------------------------------"
+        swap_env $compiler
+        module swap $compiler $compiler/$version
+        compiler_version_cmd $compiler
+        compiler_check_stdexcept $compiler
+        echo "--------------------------------------------------"
+    done 
+    echo "--------------------------------------------------"
+    echo ""
+done 2>&1 | tee compiler-test.log