force FC to be defined to allow to not include make_opts for the moment

Author: oliviermattelaer

epochX/cudacpp/CODEGEN/PLUGIN/CUDACPP_SA_OUTPUT/madgraph/iolibs/template_files/gpu/cudacpp.mk

@@ -27,8 +27,8 @@ UNAME_S := $(shell uname -s)
 UNAME_P := $(shell uname -p)
 ###$(info UNAME_P='$(UNAME_P)')
 
-include ../../Source/make_opts #put back by OM (crucial for MG5aMC flag consistency/documentation)
-
+#include ../../Source/make_opts #put back by OM (crucial for MG5aMC flag consistency/documentation)
+FC = gfortran
 #-------------------------------------------------------------------------------
 
 #=== Configure common compiler flags for C++ and CUDA