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From: Tijl Coosemans <tijl@ulyssis.org>
To: freebsd-hackers@freebsd.org, stevefranks@ieee.org
Date: Fri, 31 Oct 2008 21:01:21 +0100
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Subject: Re: includes, configure, /usr/lib vs. /usr/local/lib,
	and linux coders
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On Friday 31 October 2008 20:30:46 Steve Franks wrote:
> Let's backup.  What's the 'right' way to get a bloody linux program
> that expects all it's headers in /usr/include to compile on freebsd
> where all the headers are in /usr/local/include?  That's all I'm
> really asking.  Specifically, it's looking for libusb & libftdi.  If
> I just type gmake, it can't find it, but if I manually edit the
> Makefiles to add -I/usr/local/include, it can.  Obviously, manually
> editing the makefiles is *not* the right way to fix it (plus it's
> driving me crazy).

./configure CPPFLAGS="-I/usr/local/include" LDFLAGS="-L/usr/local/lib"

They should consider using pkg-config in their configure script to
locate libusb and libftdi.