CI: global refactoring of build/test CI

.github/workflows/actions/linux/generateCacheKey/action.yml

@@ -0,0 +1,42 @@
+# ***************************************************************************
+# *   Copyright (c) 2023 0penBrain                               *
+# *                                                                         *
+# *   This program is free software; you can redistribute it and/or modify  *
+# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
+# *   as published by the Free Software Foundation; either version 2 of     *
+# *   the License, or (at your option) any later version.                   *
+# *   for detail see the LICENCE text file.                                 *
+# *                                                                         *
+# *   This program is distributed in the hope that it will be useful,       *
+# *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+# *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+# *   GNU Library General Public License for more details.                  *
+# *                                                                         *
+# *   You should have received a copy of the GNU Library General Public     *
+# *   License along with this program; if not, write to the Free Software   *
+# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
+# *   USA                                                                   *
+# *                                                                         *
+# ***************************************************************************
+
+name: generateCacheKey
+description: "Linux: generates a cache key taking into account distro and compiler"
+
+inputs:
+  compiler:
+    description: "Binary name/path of compiler to be used"
+    required: true
+outputs:
+  cacheKey:
+    description: "Cache key with distro and compiler version"
+    value: ${{ steps.generateCacheKey.outputs.cacheKey }}
+
+runs:
+  using: "composite"
+  steps:
+    - id: generateCacheKey
+      shell: bash
+      run: |
+        cacheKey=$(lsb_release -ds | tr -d ' ')-$( basename ${{ inputs.compiler }})$(${{ inputs.compiler }} -dumpfullversion -dumpversion)
+        echo "Generated cache key : $cacheKey"
+        echo "cacheKey=$cacheKey" >> $GITHUB_OUTPUT