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Date: Thu, 2 Oct 2008 10:19:47 -0500
From: Dan Nelson <dnelson@allantgroup.com>
To: Desmond Chapman <que_deseja@hotmail.com>
Message-ID: <20081002151947.GL86326@dan.emsphone.com>
References: <BLU126-W48A10167A066B5601F1ABEED3D0@phx.gbl>
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User-Agent: Mutt/1.5.18 (2008-05-17)
Cc: vbox-dev@virtualbox.org, freebsd-questions@freebsd.org
Subject: Re: More vbox and build troubles.
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In the last episode (Oct 02), Desmond Chapman said:
>
> ***** Checking libpng *****
> compiling the following source file:
> #include <cstdio>
> #include <png.h>
> extern "C" int main(void)
> {
> printf("found version %s", PNG_LIBPNG_VER_STRING);
> #if PNG_LIBPNG_VER >= 10205
> printf(", OK.\n");
> return 0;
> #else
> printf(", expected version 1.2.5 or higher\n");
> return 1;
> #endif
> }
> using the following command line:
> g++ -O -Wall -o .tmp_out .tmp_src.cc "-lpng "
> .tmp_src.cc:2:17: error: png.h: No such file or directory
> .tmp_src.cc: In function 'int main()':
> .tmp_src.cc:5: error: 'PNG_LIBPNG_VER_STRING' was not declared in this scope
>
>
> I need the headers for this library- libpng-1.2.32. Are they in ports
> as part of another package or do I need to build them? If so, how?
Assuming you have the png port installed, add -I/usr/local/include
-L/usr/local/lib to your compile line.
--
Dan Nelson
dnelson@allantgroup.com