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isunix, ispc
From: |
John W. Eaton |
Subject: |
isunix, ispc |
Date: |
Fri, 9 Jan 2004 20:12:33 -0600 |
Matlab has the functions
isunix: return true if running on a "unix" system, false otherwise
ispc: return true if running on a Windows system, false otherwise
I see that octave-forge has two versions of isunix.m, one that should
be installed on Unix-like systems and one that should be installed on
Windows systems. Instead of having two files, I propose that we have
just one, and that it gets the return value from octave_config_info.
Likewise, computer could be converted from a built-in function to an
M-file and get the system information from octave_config_info.
We currently have canonical_host_type in the struct returned by
octave_config_info, so converting computer will be simple. For the
isunix and ispc info, we will need to add some information.
What about Cygwin? I think we should have isunix return true for that
system since it looks like a unix system, but we could also have ispc
return true because it also looks like Windows system.
So I propose adding the equivalent of
bool windows_system = false;
bool unix_system = true;
#if defined (WIN32)
windows = true;
#if ! defined (__CYGWIN__)
unix = false;
#endif
#endif
m.assign ("windows", octave_value (windows_system));
m.assign ("unix", octave_value (unix_system));
to add the fields windows and unix to the structure. I think this
should also be correct for OS X which looks like a Unix system to
Octave. We will only need to modify it if Octave is someday ported to
a system other than WIN32 that does not look like Unix.
Comments?
jwe
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