From 8841702dda025ba08dc6456bc6d2f865f392af5d Mon Sep 17 00:00:00 2001
From: Ed Reel <edreel@gmail.com>
Date: Wed, 28 Nov 2018 16:34:51 -0600
Subject: [PATCH] Add pngcheck package

---
 packages/pngcheck.rb | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 packages/pngcheck.rb

diff --git a/packages/pngcheck.rb b/packages/pngcheck.rb
new file mode 100644
index 000000000..caf5ddd78
--- /dev/null
+++ b/packages/pngcheck.rb
@@ -0,0 +1,22 @@
+require 'package'
+
+class Pngcheck < Package
+  description 'pngcheck verifies the integrity of PNG, JNG and MNG files'
+  homepage 'http://www.libpng.org/pub/png/apps/pngcheck.html'
+  version '2.3.0'
+  source_url 'https://prdownloads.sourceforge.net/project/png-mng/pngcheck/2.3.0/pngcheck-2.3.0.tar.gz'
+  source_sha256 '77f0a039ac64df55fbd06af6f872fdbad4f639d009bbb5cd5cbe4db25690f35f'
+
+  binary_url ({
+  })
+  binary_sha256 ({
+  })
+
+  def self.build
+    system "gcc -O -DUSE_ZLIB -I#{CREW_PREFIX}/include -o pngcheck pngcheck.c -L#{CREW_LIB_PREFIX} -lz"
+  end
+
+  def self.install
+    system "install -Dm755 pngcheck #{CREW_DEST_PREFIX}/bin/pngcheck"
+  end
+end