Re: Help with differing build environments

[Warren Young]

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)
#else
#       define FOOBAR(p) MyFooBarVersion(p)
#endif

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.