[openblas] add pre-built binaries (#2250)

use cmake to build binaries for x86_64 to make sure that the libraries are installed in /usr/local/lib64.

packages/openblas.rb

@@ -4,22 +4,52 @@ class Openblas < Package
   description 'OpenBLAS is an optimized BLAS library'
   homepage 'http://www.openblas.net/'
   version '0.2.20'
+  source_url 'https://github.com/xianyi/OpenBLAS/archive/v0.2.20.tar.gz'
+  source_sha256 '5ef38b15d9c652985774869efd548b8e3e972e1e99475c673b25537ed7bcf394'
 
-  source_url 'https://github.com/xianyi/OpenBLAS/archive/v0.2.20.zip'
-
-  source_sha256 'bb5499049cf60b07274740a4ddd756daa0fe2c817d981d7fe7e5898dcf411fdc'
-
-  depends_on 'unzip' => :build
+  binary_url ({
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/openblas-0.2.20-chromeos-x86_64.tar.xz',
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/openblas-0.2.20-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/openblas-0.2.20-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/openblas-0.2.20-chromeos-i686.tar.xz',
+  })
+  binary_sha256 ({
+     x86_64: '4f26162240cb8dd302093465f0820f5f19b173664f024bd4fde041f0e7814889',
+    aarch64: '5240dd476ce2151fd6d8b8a249905c86985da6511cf0266afc0bf1b0385a6873',
+     armv7l: '5240dd476ce2151fd6d8b8a249905c86985da6511cf0266afc0bf1b0385a6873',
+       i686: 'b0ef5a6983cbff487c88de790888c48b1aca6720be6b129a8f19b0a7303f56b9',
+  })
 
   def self.build
-    system "make"
+    case ARCH
+    when "x86_64"
+      system "mkdir -p build"
+      Dir.chdir("build") do
+        system "cmake",
+               "-DCMAKE_INSTALL_PREFIX:PATH=#{CREW_PREFIX}",
+               "-DCMAKE_LIBRARY_PATH=#{CREW_LIB_PREFIX}",
+               "TARGET=ATOM",
+               ".."
+        system "make"
+      end
+    when "i686"
+      system "make TARGET=ATOM"
+    when "armv7l","aarch64"
+      system "make TARGET=ARMV7"
+    end
   end
 
   def self.install
-    system "make",
-           "DESTDIR=#{CREW_DEST_DIR}",
-           "PREFIX=#{CREW_PREFIX}",
-           "LIBDIR=#{CREW_LIB_PREFIX}",
-           "install"
+    case ARCH
+    when "x86_64"
+      Dir.chdir("build") do
+        system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+      end
+    when "i686","armv7l","aarch64"
+      system "make",
+             "PREFIX=#{CREW_PREFIX}",
+             "DESTDIR=#{CREW_DEST_DIR}",
+             "install"
+    end
   end
 end