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Re: patch to build guile CVS on Mac OS X

From: Kevin Ryde
Subject: Re: patch to build guile CVS on Mac OS X
Date: Wed, 07 Jan 2004 09:30:41 +1000
User-agent: Gnus/5.1004 (Gnus v5.10.4) Emacs/21.3 (gnu/linux)

Richard Todd <address@hidden> writes:
> Here's a KDE project that tried to be cleaner by defining:
> #define environ (*_NSGetEnviron())
> http://cvs.sourceforge.net/viewcvs.py/kcvdphoto/kimg2mpg/aclocal.m4?rev=1.4
> (still have to #ifdef out the extern declaration, though...)

That sounds cleanest.

Does apple hide some advice on this somewhere in the man pages?  (To
put a reference to.)

> You may prefer the #define approach...I avoided it because I thought
> the init_xxx() stuff in guile was a clean enough place for it, and
> though I'm sure it's not an issue it would technically be more
> efficient not to do the function call on each access.

Yep.  But I'm guessing you need to hold the return from _NSGetEnviron,
ie. the address of the environ variable, not its contents a given

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