-Werror is too harsh, as libtool decides that -lMagickWand requires  --pthread, but that flag generates an "argument unused" warning from  clang (which -Werror turns into a make-stopping error).
-Werror is too harsh, as libtool decides that -lMagickWand requires
 --pthread, but that flag generates an "argument unused" warning from
 clang (which -Werror turns into a make-stopping error).

greg-minshall/image2k,greg-minshall/image2k