COMP: add wmake rules for Pgi compiler (#1234)

wmake/rules/General/Pgi/c

@@ -0,0 +1,7 @@
+SUFFIXES += .c
+
+cc          = pgcc
+
+cDBUG       =
+cOPT        = -O2
+cWARN       =

wmake/rules/General/Pgi/c++

@@ -0,0 +1,13 @@
+SUFFIXES += .C .cc .cpp .cxx
+
+CC          = pgc++ -std=c++11
+
+c++DBUG     =
+c++OPT      = -O2
+ptFLAGS     = -DNoRepository
+
+# - Standard warnings
+# - Less restrictive warnings (may be needed for flex++, CGAL, etc.)
+
+c++WARN     =
+c++LESSWARN =

wmake/rules/General/Pgi/openmp

@@ -0,0 +1,5 @@
+# Flags for compiling/linking openmp
+# The USE_OMP is for OpenFOAM-specific use (general use is _OPENMP)
+
+COMP_OPENMP = -DUSE_OMP -fopenmp
+LINK_OPENMP = -lgomp