[R] R-0.64.1 make problem: Solaris 2.4

[Dennis Murphy]

Greetings,

I'm attempting to install R-0.64.1 on a Sun Sparc 20 running Solaris 2.4 with
gcc-2.7.2.2, g77-0.5.20 and Gnu make 3.76-1.

On several occasions, the make process aborted when trying to build the shared object
file for the modreg package (its first attempt at such a beast).  In all attempts, the error
message is as follows:

../../../../bin/R SHLIB -o modreg.so bsplvd.o bvalue.o bvalus.o ksmooth.o loessc.o 
loessf.o ppr.o qsbart.o sbart.o sgram.o sinerp.o sslvrg.o stxwx.o
make: Fatal error: Unknown option `-w'
gmake[4]: *** [modreg.so] Error 1
gmake[4]: Leaving directory `/tmp/R-0.64.1/src/library/modreg/src'

In addition, I got the following error messages in this directory on the latest attempt:

g77 -O2 -PIC -c loessf.f -o loessf.o
gcc: unrecognized option `-PIC'
g77 -O2 -PIC -c ppr.f -o ppr.o
gcc: unrecognized option `-PIC'
...

In config.site, I specifically requested the option FPICFLAGS=-fPIC, consistent with
CPICFLAGS.  I also set SHLIBLDFLAGS=-G in config.site. Furthermore, no errors
or warnings about setting these flags in ./configure were encountered, since it
(finally) found xmkmf.

>From the man page,  -w is a legitimate option for Gnu make (gmake on this system),
so I'm at a loss how to proceed at this point.  I don't understand why g77 is using the
option -PIC  when it was set to -fPIC in config.site.

It seems clear that the problem is not with the modreg code, but rather something with
the make process on this platform. Suggestions gratefully accepted...

Thanks in advance,
Dennis
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