[R] R-1.5.0 and JPEG

[Tim Hoar]

Upon more digging,

the R-1.5.0 install html document mentions needing
"... jpeg (version 6b or later) or libpng (versions 1.0.5 to 1.2.1) and
zlib (version 1.1.3 or later) respectively.  libpng-1.2.2 has moved its
header files, and you will need add something
like -I/usr/local/include/libpng12 to CPPFLAGS to make use of it."

I just wanted to confirm that the jpeg library we have is, in fact,
/contrib/libjpeg_v6b/lib/libjpeg.a

and the version of the png library we have is
/contrib/libpng-1.0.12/lib/libpng.a

I built 1.3.1 with  the config.site set to:
LIBS="-xlic_lib=sunperf -lpng -ljpeg"

I had never gotten it to build correctly with zlib ...

Tim

## Tim Hoar, Associate Scientist              email: thoar at ucar.edu     ##
## Geophysical Statistics Project             phone: 303-497-1708       ##
## National Center for Atmospheric Research   FAX  : 303-497-1333       ##
## Boulder, CO  80307                    http://www.cgd.ucar.edu/~thoar ##

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