STYLE: additional banner for top-level Allwmake

Allwmake

 #!/bin/sh
 cd "${0%/*}" || exit                            # Run from this directory
+targetType=libso
+. "${WM_PROJECT_DIR:?}"/wmake/scripts/AllwmakeParseArguments
 #------------------------------------------------------------------------------
+# Build into FOAM_USER_{APPBIN,LIBBIN} unless otherwise specified with
+# -prefix or FOAM_MODULE_{APPBIN,LIBBIN} env varables
 
-src/Allwmake $*
+moduleName="external-solver (petsc)"
+
+echo "========================================"
+date "+%Y-%m-%d %H:%M:%S %z" 2>/dev/null || echo "date is unknown"
+echo "Starting compile of $moduleName with ${WM_PROJECT_DIR##*/}"
+echo "  $WM_COMPILER $WM_COMPILER_TYPE compiler"
+echo "  ${WM_OPTIONS}, with ${WM_MPLIB} ${FOAM_MPI}"
+echo "  prefix = ${FOAM_MODULE_PREFIX:-default (user)}"
+echo
+
+src/Allwmake $targetType $*
+
+# Some summary information
+echo
+date "+%Y-%m-%d %H:%M:%S %z" 2>/dev/null || echo "date is unknown"
+echo "========================================"
+echo "  Finished compile of $moduleName with ${WM_PROJECT_DIR##*/}"
+echo "  $WM_COMPILER $WM_COMPILER_TYPE compiler"
+echo "  ${WM_OPTIONS}, with ${WM_MPLIB} ${FOAM_MPI}"
+echo
 
 #------------------------------------------------------------------------------