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I can't install imagemagick & graphicsmagick. Error: Failed to download resource "libpng".

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
Hieu Tran
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1 Answers1

0

Just try:

$ brew update and after $ brew install graphicsmagick

It solved problem for me.

averem
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