On Thu, Aug 07, 2008 at 06:47:22AM +0200, Beat Birkhofer wrote:
> Hi
> 
> After I built the current 10.4 unstable grace (maintained by nobody)  
> the png support was missing. Configure:
> 
> checking for IJG JPEG software >= 61... yes
> checking for libpng >= 0.9.6... no
> --> PNG backend is disabled
> 
> It seems that it doesn't like the X11 libpng too much, although this  
> is 1.2.x, too. Because after I appended a ':/sw/include' to the  
> setCPPFLAGS (originally just 'SetCPPFLAGS: -I/usr/X11R6/include') in  
> line 31 of the grace.info configure recognized the png lib. I'm using  
> X11 2.2.3, according the change log there weren't changes in libpng to  
> the current 2.3.0.

When libpng detection fails, could you check the config.log file to
see if there are any more details about why/how it's failing? Probably
begins with a line like:

  configure:16037:checking for libpng >= 0.9.6

and then some compiler calls and (hopefully!) error messages.

dan

-- 
Daniel Macks
[EMAIL PROTECTED]
http://www.netspace.org/~dmacks


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