Legacy ImageMagick Discussions Archive

hi,

I had uninstalled ImageMagick and again installed it of latest version
6.2.7. I also installed the following alongwith it :
jpegsrc.v6b.tar.gz
libpng-1.0.6.tar.gz
libtiff-lzw-compression-kit-1.1.tar.gz
tiff-v3.5.5.tar.gz

After doing the above, I found the latest version of png available which is
libpng-1.2.2.tar.gz, so I installed the same thinking that it would overwrite the previous version. But after installation whenever I process a png file using convert it gives me the following error:
e.g when I tried to process "font_smoking.png" using convert, it gave error -

convert: Application was compiled with png.h from libpng-1.0.6 `font_smoking.png'.
convert: Application is running with png.c from libpng-1.2.2 `font_smoking.png'.
convert: Incompatible libpng version in application and library `font_smoking.png'.

I tried a lot to find a solution to this, but cannot seem to find one. Can
anyone help me on this ?

After you upgrade libpng to an incompatible version (1.0.x -> 1.2.x) you have to recompile ImageMagick. Incidentally, libpng-1.2.2 is also pretty old. The current version is 1.2.10.