It appears that building R with gcc on OpenSolaris may be impossible. I can't
get it to build, and the R manual
http://cran.r-project.org/doc/manuals/R-admin.html#Solaris
makes it clear nobody else has. It does however build (according to the R manual
at least), with Sun Studio.
Having to make both Sun Studio and gcc perquisites on OpenSolaris x64 seems a
bit annoying, but it may be the only option.
Sometimes mixing object files between gcc and Sun Studio on Solaris causes
problems, so potentially that would be problematic on OpenSolaris. (Trying to
build perl modules with gcc, when the Sun perl is built with Sun Studio will
rarely if ever work).
If R is only used as a command, then building with a mix of compilers will
certainly not cause problems.
Otherwise, I don't see any easy solution to this.
Dave
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