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These are a few helpful hints for compiling PGPLOT on Silicon Graphics
machines running the Irix operating system.
IRIX 6.2
--------
In IRIX 6.2, the library names have changed. Edit the .conf file in this
directory and change
LIBS="-lX11_s"
to
LIBS="-lX11"
There are various compilation modes for Irix, e.g., -32, -n32,
-64. The configuration files provided use the default; if you change
this, make sure you compile everything in the same mode.
PGPLOT driver for SGI GL library: not recommended
-------------------------------------------------
In the drivers/old directory there is a native SGI GL library driver
called irdriv.c. Note this driver does not report the position of the
cursor correctly unless the window is in the very bottom left of the
screen, and may have other problems.. Since the new /XW and /XS
devices work fine on the SGI console, you are encouraged to use these
instead of /IR.
If you want to use this driver, move it to the pgplot/drivers
directory, and add the line:
IRDRIV 0 /IRIS SiliconGraphics Console SGI only (C)
to your local drivers.list file. You will also need to include the gl
library when linking programs: add "-lgl" or "-lgl_s" to the
definition of LIBS in the .conf file in this directory. Then rerun
makemake and make.
Some people have gotten a "-lgl_s file not found" message. This error
occurs if you only have the runtime version of the gl library
installed. The solution is to create a version of pgplot without the
IRIS driver.
PGPLOT driver for PGDISP/FIGDISP: not supported
-----------------------------------------------
The device driver x2driv.c and its supporting server program pgdisp
cannot be compiled on SGI. Use xwdriv.c (/XWIN or /XSERV) instead. I
no longer support x2driv/pgdisp and I only distribute the code for the
benefit of people using the Figaro astronomical image processing
system.
Other Problems
--------------
Some users report warning messages when linking the the demo programs.
Messages that routines are multiply defined are probably harmless; if
you think they are due to a problem in PGPLOT or the installation
procedure, please let me know.
Older versions of the compiler would sometimes crash compiling some
PGPLOT routines. If this happens, just decrease the level of
optimization and try again; e.g., change the flags in the
configuration file (*.conf) to -O1 on FFLAGC and -O0 on FFLAGD.
PGPLOT should compile and run without the -static flag. This flag
is equivalent to including a SAVE statement in the code. If you find
a routine that needs the -static then this is a bug in the PGPLOT code
that should be fixed. Please report the problem.
________________________________________________________________________
TJP 10-Mar-1997
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