安装imagemagick和graphicsmagick失败

Question

我不能安装imagemagick和graphicsmagick。错误:资源libpng下载失败。

tranduchieu:~ $ brew install graphicsmagick
==> Installing dependencies for graphicsmagick: libpng, freetype
==> Installing graphicsmagick dependency: libpng
==> Downloading ftp://ftp.simplesystems.org/pub/libpng/png/src/libpng16/libpng-1.6.18.tar.xz

curl: (78) RETR response: 550
Trying a mirror...
==> Downloading https://dl.bintray.com/homebrew/mirror/libpng-1.6.18.tar.xz

curl: (22) The requested URL returned error: 404 Not Found
Error: Failed to download resource "libpng"
Download failed: https://dl.bintray.com/homebrew/mirror/libpng-1.6.18.tar.xz

Answer 1

试试看：

$ brew update和$ brew install graphicsmagick之后

它为我解决了问题。