COMP: define 'USE_OMP' independently from wmake rules

- the wmake rules will be slimmed down in the future

meshLibrary/Make/options

@@ -5,6 +5,11 @@ ifeq (,$(strip $(FOAM_MODULE_LIBBIN)))
     FOAM_MODULE_LIBBIN = $(FOAM_USER_LIBBIN)
 endif
 
+/* Define USE_OMP if -fopenmp (-qopenmp etc) found */
+ifneq (,$(findstring openmp,$(COMP_OPENMP)))
+    COMP_OPENMP += -DUSE_OMP
+endif
+
 EXE_INC = \
     $(COMP_OPENMP) \
     -I$(LIB_SRC)/fileFormats/lnInclude \

utilities/scaleMesh/scaleMesh.C

@@ -66,9 +66,7 @@ int main(int argc, char *argv[])
     // scale the points
     pointFieldPMG& pts = pmg.points();
 
-    # ifdef USE_OMP
-    # pragma omp parallel for schedule(dynamic, 100)
-    # endif
+    #pragma omp parallel for schedule(dynamic, 100)
     forAll(pts, pointI)
     {
         pts[pointI] *= scalingFactor;

utilities/scaleSurfaceMesh/scaleSurfaceMesh.C

@@ -67,11 +67,11 @@ int main(int argc, char *argv[])
     pointField& pts = sMod.pointsAccess();
 
     // scales the vertices
-    # ifdef USE_OMP
-    # pragma omp parallel for schedule(dynamic, 100)
-    # endif
+    #pragma omp parallel for schedule(dynamic, 100)
     forAll(pts, pointI)
+    {
         pts[pointI] *= scalingFactor;
+    }
 
     // write the mesh back on disk
     surface.writeSurface(outFileName);