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=============================================================================
readme SVGA drivers for PLplot using the emx/gcc compiler 7-Jan-1995
=============================================================================
emx0.9a (gcc 2.6.3)
svgakit/vesakit 1.7 (Johannes Martin)
See "readme.emx" for information on obtaining the above.
The final executables run in Dos or Dos mode of OS/2.
Forget about trying to run in a Windows Dos box.
To compile everything under Dos simply:
dos> .\mkmf
dos> .\link main stubs
dos> cd tmp
dos> make
dos> make install
To compile on an NFS mounted drive is only slightly more complicated:
unix% ./mkmf
unix% ./link main stubs NFS
dos> cd tmp
dos> make
dos> make install
the "NFS" *must* follow "main", since it renames the mixed-case headers
plplotP.h plplotTK.h plplotX.h tclMatrix.h
that would otherwise be re-mapped strangely on the NFS mount.
Similarly, the directory "examples/C" should be renamed "examples/c".
The install can provide the stubs for FORTRAN via "f2c", the fortran-to-C
converter. Set the "enable_f77" variable to "yes" in ./mkmf.bat to install
the f2c stubs. I have not personally tested this, but it is said to work
with the djgpp/gcc port; you'll need the m4 preprocessor for the Fortran
examples.
The makefiles have been tested and work with dmake3.8 and GNU make.
The only Unix-ish tool that is required by the makefile(s) is an
`rm' that understands forward-slashes to remove the library target.
The default installations are
plplot library: c:/usr/local/plplot/lib
demo programmes: c:/usr/local/plplot/demos
These locations can be changed in the ./cf/init.in file.
(Please note the Unix and Dos name types and change BOTH.)
To compile the demos:
dos> cd DEMOS_DIR/c
dos> make cdemos
dos> make bind
The final step is to enable port and memory access for the VESA driver.
If a demo executable core dumps when you use "-dev vga", it is probably
because you forgot the final binding step.
Other customizations:
- pldevs.h
Define the appropriate macro to enable the corresponding output driver.
- plconfig.h
Define (string) values for LIB_DIR, BIN_DIR, and TCL_DIR if you want
plplot to look somewhere other than the hardwired or
environmentally-set locations for the files it needs.
These values (and/or the environment variables) should be in
forward-slash UNIX style, but can include a drive specifier.
eg, #define LIB_DIR "c:/usr/local/plplot/lib/"
Thanks to Paul Kirschner (pek@utrc.utc.com) for the djgpp configuration
which provided a basis for this one.
==========================================================================
Notes on the driver:
- Since I have only tested this on a DOS system, I used
the _read_kbd() function which OS/2 users may want to avoid
and the final bind options for executables may be adjusting.
- The driver uses the "-geometry" command-line option to provide
control over the video resolution (details in the driver code).
==========================================================================
Mark Olesen
Queen's University at Kingston
olesen@weber.me.queensu.ca
--------------------------------------------------------------------------
|
