Update gdb from 8.2.1 to 8.3 (#3308)

Add pre-built binaries

packages/gdb.rb

@@ -3,26 +3,25 @@ require 'package'
 class Gdb < Package
   description 'GDB, the GNU Project debugger, allows you to see what is going on \'inside\' another program while it executes -- or what another program was doing at the moment it crashed.'
   homepage 'https://www.gnu.org/software/gdb/'
-  version '8.2.1'
-  source_url 'https://ftpmirror.gnu.org/gdb/gdb-8.2.1.tar.xz'
-  source_sha256 '0a6a432907a03c5c8eaad3c3cffd50c00a40c3a5e3c4039440624bae703f2202'
+  version '8.3'
+  source_url 'http://ftpmirror.gnu.org/gdb/gdb-8.3.tar.xz'
+  source_sha256 '802f7ee309dcc547d65a68d61ebd6526762d26c3051f52caebe2189ac1ffd72e'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/gdb-8.2.1-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/gdb-8.2.1-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/gdb-8.2.1-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/gdb-8.2.1-chromeos-x86_64.tar.xz',
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/gdb-8.3-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/gdb-8.3-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/gdb-8.3-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/gdb-8.3-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: '9bd4500d8af36782c5e047e15aef059fc0562e0f1c7acc391692d6287d88276a',
-     armv7l: '9bd4500d8af36782c5e047e15aef059fc0562e0f1c7acc391692d6287d88276a',
-       i686: '2078a79d604628c270576be8fb96e8ccaa087ef207e3f6d14356c606898027e8',
-     x86_64: '95fe8fac708e2c28b4c8c8453bfbd7d85d5fe795d80ceaf86ff255d574b2c5b1',
+    aarch64: 'cb31458449dbe3901b104a0e0629e9ef0cd219ea2783db736360d0176c321ca9',
+     armv7l: 'cb31458449dbe3901b104a0e0629e9ef0cd219ea2783db736360d0176c321ca9',
+       i686: '84bd95e06d5515647135ab5ce1f1c6a2956d5df8f324837dc26705fc28bcd07c',
+     x86_64: 'afb397d5022e72ea19e7d87fff5167b798f5063f59b1174dd56337837fdc7dea',
   })
 
   depends_on 'libx11'
-  depends_on 'python3'
-  depends_on 'python27'
+  depends_on 'six'
 
   def self.build
     system './configure',