Porting a Linux application to FreeBSD

Jim Trigg jtrigg at spamcop.net
Tue Feb 13 04:31:05 UTC 2007

Chuck Swiger wrote:
> On Feb 12, 2007, at 4:39 PM, Andrew Pantyukhin wrote:
>>> Linux does not have it's own libpng and neither do we.  Most Linux
>>> distros and us use libpng from libpng.org.  I took a quick look at the
>>> current libpng in the ports tree and it appears to have png_read_png().
>>> With out seeing a Makefile for the ports system and some error output it
>>> is hard to comment as to the specific reason stuff is failing for you.
>> Yes, but my money says
>> ==
>> =CPPFLAGS=       -I${LOCALBASE}/include
>> =LDFLAGS=        -L${LOCALBASE}/lib
>> ===
>> will help, it always(x0.999) does :-) It's one
>> of those things everyone knows about but no one
>> commits into Mk/* because we enjoy routine so
>> much.
> I believe your suggestion is exactly right as to the problem; my only
> question would be whether it would be better to change the ports Mk
> infrastructure, or to change the system compiler to add
> /usr/local/{include,lib} to the default search paths...

Adding ${PREFIX}/{include,lib} would be significantly better than
hardcoding /usr/local/...


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