Folks- I have made a package that includes a src/makevars file generated automatically by Rcpp. It passes all checks.
contents of src/makevars: PKG_LIBS = $(LAPACK_LIBS) $(BLAS_LIBS) $(FLIBS) PKG_CPPFLAGS += -I../inst/include/ I submitted to CRAN and got the following message: * checking for GNU extensions in Makefiles ... WARNING Found the following file(s) containing GNU extensions: src/Makevars Portable Makefiles do not use GNU extensions such as +=, :=, $(shell), Clearly, I have to remove the += wildcard. How should I change it to make it "portable"? also, CRAN complains about the lack of a LF at the end of src/makevars. Any thoughts on how to achieve this? many thanks peter r bayesm author and struggling coder
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