[ODE] Fwd: [ opende-Bugs-1538583 ] Does not build on MacOS 10.3

[Jon Watte (ODE)]

To be picky (having worked on compilers and libraries in the past), the 
single underscores are reserved for "system libraries" (which is ill 
defined), and double underscores are reserved for the compiler.

Still, we probably should make the code clean enough that it actually 
compiles on popular platforms.

Cheers,

             / h+


Jason Perkins wrote:
> FYI...
>
> ---------- Forwarded message ----------
> From: SourceForge.net <noreply at sourceforge.net>
> Date: Aug 11, 2006 6:06 AM
> Subject: [ opende-Bugs-1538583 ] Does not build on MacOS 10.3
>
> Category: core
> Group: None
> Status: Open
> Resolution: None
> Priority: 5
> Submitted By: Fabian Herb (cmdr)
> Assigned to: Nobody/Anonymous (nobody)
> Summary: Does not build on MacOS 10.3
>
> Building ODE on my mac fails due to errors in OPCODE/Ice. Some
> constants there begin with an underscore, but according to
>
> http://gcc.gnu.org/ml/gcc-help/2005-02/msg00021.html
>
> these are reserved for the compiler. Replacing all occurences of _X, _Y,
> _Z and _W with something else in the files IceAxes.h, IceHPoint.h and
> IcePoint.h resolves the problem.
>
> Errors look similar to these:
>
> /my/dir/libode/OPCODE/Ice/IceAxes.h:17: error: parse error before
> numeric constant
> /my/dir/libode/OPCODE/Ice/IceAxes.h:27: error: `_Y' was not declared
> in this scope
> /my/dir/libode/OPCODE/Ice/IceAxes.h:27: error: `_Z' was not declared
> in this scope
> /my/dir/libode/OPCODE/Ice/IceAxes.h:27: error: enumerator value for
> `AXES_XYZ' not integer constant
>
> gcc version 3.3 20030304 (Apple Computer, Inc. build 1666)
>
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