rmagick
18 Dec 2016all problems related to rmagick can be solved by rebuilding native extensions:
$ gem pristine rmagick
if it doesn’t help switch to lower imagemagick version:
$ brew switch imagemagick 6.9.7-2
$ gem pristine rmagick
all problems related to rmagick can be solved by rebuilding native extensions:
$ gem pristine rmagick
if it doesn’t help switch to lower imagemagick version:
$ brew switch imagemagick 6.9.7-2
$ gem pristine rmagick