cfunction could get cargs argument corresponding to CFLAGS

[jangorecki]

In the cfunction there are cppargs/cxxargs arguments that refers to CPPFLAGS/CXXFLAGS but there is no cargs that would refer to CFLAGS. FR to add that one.

[eddelbuettel]

You can use CPPFLAGS to pass arguments to the C compiler. That should be good enough, no?

[jangorecki]

@eddelbuettel yes it works, but it is counter intuitive.

[eddelbuettel]

That is in the eye of the beholder. I (mis)used CPPFLAGS for CFLAGS for many years. We do not split preprocessor and compiler for C -- it is one call.

Changing this now would change the calling interface. I'd rather not for a small cosmetic change. I suggest we close this and move on. Moreover, all this does is set an environment variable which you could set outside of cfunction too.

My main point is there: there is no (real) functional deficiency here.