#174 add Fortran OpenCLn utility code

lib/opencl/Makefile

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+# Makefile for OpenCL utility modules
+OBJECTS = clfortran.o ocl_params_mod.o ocl_utils_mod.o ocl_env_mod.o
+
+all: ${OBJECTS}
+
+%.o: %.f90
+	${F90} ${F90FLAGS} -c $<
+
+clean:
+	rm -f *.o
+	rm -f *~
+
+allclean: clean
+	rm -f *.mod *.MOD

lib/opencl/README.md

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+# Introduction #
+
+This directory contains Fortran source code that wraps the OpenCL
+functionality required by PSyclone when generating code that
+targets an OpenCL device. It uses the "clFortran" interface code
+available from https://github.com/cass-support/clfortran.
+
+# Compiling #
+
+The Makefile picks-up the compiler, flags etc. from environment
+variables. You will need to set F90 (and optionally, F90FLAGS).