make errors while compiling

I am a first-time R user trying to compile v.0.90.0 under Caldera
OpenLinux 2.3, on a Dell PII400/128. I've encountered a problem with the
make file. 

Well, not with the make file but with your system. On our RedHat Linux
boxes, both asm/sigcontext.h and linux/limits.h are in the rpm
kernel-headers-*, so I suggest you try installing that. However, again on
our systems, glibc-devel requires kernel-headers.  So either Caldera have
got their dependencies wrong (and we have encountered missing files on
Caldera systems before) or you did not allow dependencies to be installed.
Try

rpm -q --requires glibc-devel

to see if kernel-headers is a dependency.  I vaguely recall there are ways
to check for any missing required packages on RPM-based systems, but as I
have never had need of them, I can't recall the details.

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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