The gccs (both 3.3 and 4.0) that come with the Developer Tools are not sufficient for building R. They are only meant to (and able to) compile c, c++, objc and objc++ According to the R FAQ [1], a fortran compiler is required to build R, though. The gcc40 port does include a fortran compiler, whereas /usr/bin/gcc does not. [1] http://cran.r-project.org/bin/macosx/RMacOSX-FAQ.html#Building-R- from-sources Regards, Elias Pipping On Apr 16, 2007, at 4:20 PM, John Owens wrote:
I installed "R" yesterday and note that it has a dependency on "gcc40". I try to keep up to date with xcode and note that my xcode gcc is version 4.0.1. But installing R (not a huge package) also installed gcc (definitely a huge package, took many hours to build).
I understand that MacPorts wants to install its own versions of some stuff (python, perl, etc.) and that makes sense for most packages. But for something like gcc, because of its size and because Apple's distribution is pretty good, I'd prefer to see it handled more like X11, as a "this package is already natively provided by the system and we should use it if available".
JDO
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