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Re: Help with differing build environments

From: Warren Young
Subject: Re: Help with differing build environments
Date: Wed, 06 Oct 2004 13:08:42 -0600
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7.3) Gecko/20040910

Geoffrey Huang wrote:

I don't really like the prospect of having #if statements throughout the code,

So hide it behind a macro in a header file:

#if defined(HAVE_FOOBAR)
#       define FOOBAR(p) FooBar(p)
#       define FOOBAR(p) MyFooBarVersion(p)

Not rocket science.

I don't want my toolkit's functions linked in when unnecessary, and likewise, I don't want the system's functions linked in when unnecessary.

That's the linker's problem.

And if the linker isn't going to cooperate, you can use autoconf to test for the need of a library, and conditionally link to it. There's a pthreads macro out there on one of the major autoconf archives that shows this technique, since various systems put the thread calls in different libraries.

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