CI: factor and enhance version info

Author: bonachea

.github/workflows/build.yml

@@ -171,13 +171,11 @@ jobs:
     - name: Version info
       run: |
         echo == TOOL VERSIONS ==
-        set -x
-        uname -a
-        if test -r /etc/os-release ; then cat /etc/os-release ; fi
-        ${FC} --version
-        ${CC} --version
-        ${CXX} --version
-        fpm --version
+        (set -x ; uname -a )
+        if test -r /etc/os-release ; then (set -x ; cat /etc/os-release ) ; fi
+        for tool in ${FC} ${CC} ${CXX} fpm ; do
+          ( set -x ; w=$(which $tool) ; ls -al $w ; ls -alhL $w ; $tool --version )
+        done
 
     - name: Build Caffeine (install.sh)
       run: |