Merge pull request #2418 from uberhacker/add-gnuplot-package

Add gnuplot package

packages/gnuplot.rb

+require 'package'
+
+class Gnuplot < Package
+  description 'Gnuplot is a portable command-line driven graphing utility'
+  homepage 'http://gnuplot.sourceforge.net/'
+  version '5.2.4'
+  source_url 'http://downloads.sourceforge.net/project/gnuplot/gnuplot/5.2.4/gnuplot-5.2.4.tar.gz'
+  source_sha256 '1515f000bd373aaa53b16183f274189d4f5e0ae47d22f434857933d16a4770cb'
+
+  binary_url ({
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/gnuplot-5.2.4-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/gnuplot-5.2.4-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/gnuplot-5.2.4-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/gnuplot-5.2.4-chromeos-x86_64.tar.xz',
+  })
+  binary_sha256 ({
+    aarch64: '7f9af59b0427fdd1af077f7d7520f74cf3c146c6d2463f7f35263e89bef2095b',
+     armv7l: '7f9af59b0427fdd1af077f7d7520f74cf3c146c6d2463f7f35263e89bef2095b',
+       i686: 'be055c10aaedf2813151cf9b0998f77779021510759d5eefc126dbfdb43b1f19',
+     x86_64: '59bebf199e3de46e405b1ef27b0037f7a05d59cd97f53fa36e32878a3eb677c7',
+  })
+
+  depends_on 'groff'
+  depends_on 'libcerf'
+  depends_on 'libxrender'
+  depends_on 'libxxf86vm'
+  depends_on 'lua'
+  depends_on 'pango'
+  case ARCH
+  when 'x86_64'
+    depends_on 'readline7'
+  else
+    depends_on 'readline'
+  end
+
+  def self.build
+    system './configure',
+           "--prefix=#{CREW_PREFIX}",
+           "--libdir=#{CREW_LIB_PREFIX}",
+           '--disable-maintainer-mode'
+    system 'make'
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end