Tom,
Have you considered writing a patch? It ought to be possible to issue a
patch, along with your code, that would add a default value for *resp. Of
course this may be more trouble than its worth, but I thought I'd throw it
out.
Still, wouldn't it make more sense for one of you to change his version to
match that which the other is using?
-Matthew
On Feb 1, 2010, at 4:45 PM, Tom Browder wrote:
> I am now running into a situation where my development system is using
> the latest release of BRL-CAD (7.16.4) and my remote team mate is
> using an older one (7.12.6) and some function signatures have changed.
> Specifically,
>
> void rt_db_free_internal(struct rt_db_internal *ip, struct
> resource *resp);
>
> became
>
> void rt_db_free_internal(struct rt_db_internal *ip);
>
> and g++ 4.4.3 doesn't like that. I have found no clean way to use a
> compile-time cpp macro to distinguish the two versions but would
> apciate any ideas. I know my team mate needs to upgrade, but that
> isn't in the cards at the moment.
>
> Note there is a PACKAGE_VERSION defined as a string but I don't think
> you can use that at compile time (at least I haven't found a solution
> looking at the cpp manual).
>
> I think we need something like gcc and others use:
>
> #define BRLCAD_MAJOR_VERSION 7
> #define BRLCAD_MINOR_VERSION 16
> #define BRLCAD_PATCH_VERSION 4
>
>> From the cpp manual (4.4.3), gcc defines three macros
>
> __GNUC__ // major version
> __GNUC_MINOR__
> __GNUC_PATCHLEVEL__
>
> and they show a couple of ways to test for a specific version. I like
> this method:
>
> #define GCC_VERSION (__GNUC__ * 10000 \
> + __GNUC_MINOR__ * 100 \
> + __GNUC_PATCHLEVEL__)
>
> /* Test for GCC > 3.2.0 */
> #if GCC_VERSION > 30200
>
> or BRl-CAD could just take the easier, direct route:
>
> #define BRLCAD_VERSION 71604 // allows up to 100 minor
> versions and 100 patch levels for each major version
>
> For the moment I will use a kludge macro until I hear the magic
> solution.
>
> Thanks.
>
> -Tom
>
> Thomas M. Browder, Jr.
> Niceville, Florida
> USA
>
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