[M3devel] More MxConfig

[Jay K]

Do you want to be able to move your cm3 install around, without editing the config file?
  You know, "be relocatable without any fixup code"?
  That is the big question. That is what MxConfig buys.
  These "variables" are computed, by running quake code.
  They are in fact known at install time, unless you later move the install around,
   and require something (cminstall) to modify the config files at install time.
  If nobody cares about moving installs around without invalidating their config file,
    we could put it back to a bunch of string constants. And we'd have to put back
    the markers that trigger cminstall to replace stuff.
 
 
BUILD_DIR is basically constant either way. But, do you care about profiling? I don't really.
Actually probably none of the tools properly support profiling anyway, except cm3.
  They would have to accept a command line switch.
 
 
Dragiša, do you have the symbolic HOST vs. actual string problem in cm3.cfg?
 
 
A difference biting us is that cm3 does set a few values, such as PROFILING, SL, HOST.
 
 
I haven't solved the path() problem yet that Randy reported.
 
 
 - Jay



----------------------------------------
> From: dragisha at m3w.org
> To: m3devel at elegosoft.com
> Date: Mon, 3 Aug 2009 10:08:55 +0200
> Subject: [M3devel] More MxConfig
>
> This MxConfig thing looks like a bloody mess.
>
> To access former M3Config data I must have cm3.cfg suite present (to
> date I only had it in -devel packages, but ok...)
>
> Except cm3.cfg - ok, it's only set of text files, I must have sysutils,
> m3middle and m3quake.... A chunk of compiler.
>
> All this to read three or five variables from system.
>
> Also, this:
>
> VAR
> PKG_INSTALL := MxConfig.Get("PKG_INSTALL");
> BUILD_DIR := MxConfig.Get("BUILD_DIR");
>
> PROCEDURE DoImportBase() =
> BEGIN
> EVAL DoImportFile(PKG_INSTALL & "/libm3/" & BUILD_DIR &
> "/.M3WEB", TRUE);
>
> Fails on Concat in DoImportFile line - both variables NIL.
>
> Do I have some more voodoo to do to initialize MxConfig subsystem?
>
> --
> Dragiša Durić 
>