[magick-developers] libpng: undefined symbols?

[Glenn Randers-Pehrson]

At 05:51 PM 9/6/2007 -0400, Timothy Hunter wrote:
>I've heard from two RMagick users that they're getting errors when  
>linking libpng, using the version of libpng currently in the  
>delegates directory on ftp.imagemagick.org. This has just started in  
>the last week or so. Anybody else seen this?

>13:18:15: ld: Undefined symbols:
>13:18:15: _HBClearMask
>13:18:15: _LBCarryMask
>13:18:15: _amask0_8_0

They are probably trying to build on Intel-Macs.  Please have them
try libpng-1.2.20rc6 from ftp://ftp.simplesystems.org/pub/png-group/src/
which removes the troublesome assembler code that the Macs can't swallow.

Glenn