* gnu/packages/graphics.scm (agg): New variable. * gnu/packages/patches/agg-am_c_prototype.patch: New file. * gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/graphics.scm (agg): New variable. * gnu/packages/patches/agg-am_c_prototype.patch: New file. * gnu-system.am (dist_patch_DATA): Add it.