[gcc7] Add pre-built binary, minor change (#2174)

packages/gcc7.rb

@@ -4,37 +4,90 @@ class Gcc7 < Package
   description 'The GNU Compiler Collection includes front ends for C, C++, Objective-C, Fortran, Ada, and Go.'
   homepage 'https://www.gnu.org/software/gcc/'
   version '7.3.0'
+  source_url 'https://github.com/gcc-mirror/gcc/archive/gcc-7_3_0-release.tar.gz'
+  source_sha256 'af11c397296cab69996723b9d828c98a9bb749447ac8f7ed67458bcdb60311ed'
 
-  source_url 'https://github.com/gcc-mirror/gcc/archive/gcc-7_3_0-release.zip'
+  binary_url ({
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/gcc7-7.3.0-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/gcc7-7.3.0-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/gcc7-7.3.0-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/gcc7-7.3.0-chromeos-x86_64.tar.xz',
+  })
+  binary_sha256 ({
+    aarch64: '9f7af4ee52a48df0b2a88be4a38331831666a430a82c01eab05bfa7d6851b46d',
+     armv7l: '9f7af4ee52a48df0b2a88be4a38331831666a430a82c01eab05bfa7d6851b46d',
+       i686: '40972578f1f38a3366233314da5b9d219d172d7fdc0a62a5b324161fa076e188',
+     x86_64: '075de22aabb8b9ea9e1acb515b360284934ffcd50fa5aa45e0cef15e56094c9f',
+  })
 
-  source_sha256 'd8cb199f0d98bd83e3dac645126722e44137c24cbe5e87e1113dd4270f7530c6'
-
-  depends_on 'gawk'
   depends_on 'unzip' => :build
-
+  depends_on 'gawk'
+    
   def self.build
-    system "mkdir", "build"
-    Dir.chdir "build" do
-      ENV["LIBRARY_PATH"] = "#{CREW_LIB_PREFIX}"
-      system "../configure",
-             "-v",
-             "--libdir=#{CREW_LIB_PREFIX}",
-             "--prefix=#{CREW_PREFIX}",
-             "--enable-checking=release",
-             "--enable-languages=c,c++,fortran",
-             "--disable-multilib",
-             "--disable-libmpx",
-             "--program-suffix=-7.3"
-      system "make"
+    ENV["LIBRARY_PATH"] = "#{CREW_LIB_PREFIX}"
+    system "mkdir -p objdir"
+    Dir.chdir("objdir") do
+      case ARCH
+        when 'armv7l' || 'aarch64'
+          system "../configure",
+                 "--prefix=#{CREW_PREFIX}",
+                 "--libdir=#{CREW_LIB_PREFIX}",
+                 "--build=armv7l-cros-linux-gnueabihf",
+                 "--host=armv7l-cros-linux-gnueabihf",
+                 "--target=armv7l-cros-linux-gnueabihf",
+                 "--enable-checking=release",
+                 "--enable-languages=c,c++,fortran",
+                 "--disable-multilib",
+                 "--enable-threads=posix",
+                 "--disable-bootstrap",
+                 "--disable-libmpx",
+                 "--disable-static",
+                 "--program-suffix=-7.3",
+                 "--with-arch=armv7-a",
+                 "--with-tune=cortex-a15",
+                 "--with-fpu=neon",
+                 "--with-float=hard"
+        when "x86_64"
+          system "../configure",
+                 "--prefix=#{CREW_PREFIX}",
+                 "--libdir=#{CREW_LIB_PREFIX}",
+                 "--build=#{ARCH}-cros-linux-gnu",
+                 "--host=#{ARCH}-cros-linux-gnu",
+                 "--target=#{ARCH}-cros-linux-gnu",
+                 "--enable-checking=release",
+                 "--enable-languages=c,c++,fortran",
+                 "--disable-multilib",
+                 "--enable-threads=posix",
+                 "--disable-bootstrap",
+                 "--disable-libmpx",
+                 "--disable-static",
+                 "--program-suffix=-7.3",
+                 "--with-arch-64=x86-64"
+        when "i686"
+          system "../configure",
+                 "--prefix=#{CREW_PREFIX}",
+                 "--libdir=#{CREW_LIB_PREFIX}",
+                 "--build=#{ARCH}-cros-linux-gnu",
+                 "--host=#{ARCH}-cros-linux-gnu",
+                 "--target=#{ARCH}-cros-linux-gnu",
+                 "--enable-checking=release",
+                 "--enable-languages=c,c++,fortran",
+                 "--disable-multilib",
+                 "--enable-threads=posix",
+                 "--disable-bootstrap",
+                 "--disable-libmpx",
+                 "--disable-static",
+                 "--program-suffix=-7.3",
+                 "--with-arch-32=i686"
+      end
+        system "make"
     end
   end
 
   def self.install
-    Dir.chdir "build" do
-      ENV["LIBRARY_PATH"] = "#{CREW_LIB_PREFIX}"
-      system "make",
-             "DESTDIR=#{CREW_DEST_DIR}",
-             "install-strip"
+    Dir.chdir("objdir") do
+	    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
     end
   end
+    
 end