[ODE] branches, release, etc

[Rodrigo Hernandez]

Thats a good point, and its fairly trivial to switch from with to 
enable, my previous post regarding Jason's suggestion of
switching to --disable-trimesh, had more to do with the fact that the 
#ifdefs and automake conditionals all have the word OPCODE in them,
and using the word "trimesh" here could potencially confuse developers 
looking at the code looking for the word trimesh in the conditionals.

Anyway, you can switch all AC_ARG_WITH to AC_ARG_ENABLE (thats all it 
takes) on configure.in if you want (if there are no other objections).

Bram Stolk wrote:

>
>Also, a point I tried to make:
>
>autoconf has the notion of --with-package/--without-package
>and --enable-feature/--disable-feature.
>For boolean inclusion/exclusion the latter makes more sense.
>--with-xxx is used when specifying a path makes sense.
>
>E.g.:
>./configure --with-opcode=/usr/local/opcode-2.0 would make sense
>as would:
>./configure --enable-double-precision
>
>'./configure --with-double-precision' is not really the
>GNU way, I think, but that's what we've been using lately.
>
>   bram
>
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