set ISA depend path in GAR recipe

[Carsten Grzemba]

As mentioned previously BUILD_ISAS helps in my case but it is pentium_pro or sparcv8 on 32bit. 
A better solution whould be a GAR variable which 
is empty on 32bit build = ""
and on 64bit build = /64
Do we have such GAR variable already?

Am 30.04.15 schrieb Laurent Blume  <laurent at opencsw.org>:
> Le 2015/04/29 22:17 +0200, Matchek a écrit:
> > On Wed, Apr 29, 2015 at 09:25:11AM +0200, Carsten Grzemba wrote:
> >> I set
> >>
> >> CONFIGURE_ARGS += --with-httpd=/opt/csw/sbin/$(ISA_DEFAULT)/httpd
> > 
> > Can you tell a bit more about the problem you're solving? I know you're
> > working on the 64-bit Apache.
> > 
> > Can you use isaexec?
> 
> I'm not in favor of using isaexec indiscriminately for server apps. This
> is IMO a choice that should be made explicitly by the admin, because
> it's not neutral.
> 
> I'm speaking from the MySQL viewpoint, where an automatic choice 32/64
> bit choice by the OS can effectively break a DB (it's the one area where
> the database are not guaranteed to be binary-compatible).
> I can see it easily being needed on Apache too, since not all modules
> are going to be equally available.
> 
> > If you can't or don't use isaexec, why do you want to create directories
> > compliant with isaexec?
> 
> Because it satisfies the principle of least astonishment in the
> organization of binaries :-)
> 
> > Can you define your own names for httpd, like /opt/csw/sbin/httpd-32 and
> > /opt/csw/bin/httpd-64?
> 
> I think the issue is that the HTTPD_ROOT would still be the same for
> both, and that's the basis on which the default httpd.conf picks up the
> modules/*.so files (which would have to be 32 or 64).
> 
> Would there be an environment value that could be used in the httpd.conf
> to make an if clause that would load either of 2 blocks, one for 32, one
> for 64, or maybe reset the HTTPD_ROOT, like what they do eg for varied
> httpd engines?
> 
> Laurent
> 
> 
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