Switch from openssl to libressl (#3561)

Make openssl a fake package that depends on libressl

packages/libressl.rb

+require 'package'
+
+class Libressl < Package
+  description 'LibreSSL is a version of the TLS/crypto stack forked from OpenSSL in 2014, with goals of modernizing the codebase, improving security, and applying best practice development processes.'
+  homepage 'https://www.libressl.org/'
+  version '3.0.2'
+  source_url 'https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.0.2.tar.gz'
+  source_sha256 'df7b172bf79b957dd27ef36dcaa1fb162562c0e8999e194aa8c1a3df2f15398e'
+
+  binary_url ({
+  })
+  binary_sha256 ({
+  })
+
+  def self.build
+    system './configure',
+           "--prefix=#{CREW_PREFIX}",
+           "--libdir=#{CREW_LIB_PREFIX}",
+           '--with-openssldir=/etc/ssl'
+    system 'make'
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+
+    # remove all files under /etc/ssl (use system's /etc/ssl as is)
+    FileUtils.rm_rf "#{CREW_DEST_DIR}/etc/ssl"
+  end
+
+  def self.check
+    system "make", "check"
+  end
+end

packages/openssl.rb

 require 'package'
 
 class Openssl < Package
-  description 'OpenSSL is an open source project that provides a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols.'
+  description 'OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols.'
   homepage 'https://www.openssl.org/'
-  version '1.0.2p-1'
-  source_url 'https://github.com/openssl/openssl/archive/OpenSSL_1_0_2p.tar.gz'
-  source_sha256 '95ca65a25bdd41e127e5f4054539e8532a46be602b43b44af7c7100172e7cd50'
+  version '3.0.2'
 
-  binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/openssl-1.0.2p-1-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/openssl-1.0.2p-1-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/openssl-1.0.2p-1-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/openssl-1.0.2p-1-chromeos-x86_64.tar.xz',
-  })
-  binary_sha256 ({
-    aarch64: '9d2a1bdeac0d26ec7a22a91e017064edf1799f1783ebb7bce89e92e95b68f043',
-     armv7l: '9d2a1bdeac0d26ec7a22a91e017064edf1799f1783ebb7bce89e92e95b68f043',
-       i686: '0329163f9f9c78433d8b3d22d5a94eccc067ff557810c0fc85d4a8090cacb494',
-     x86_64: 'b61308c6d0cddb3a6e0713e9d47b95382b1c5f0f9495766cec1afa6a07ccf56c',
-  })
+  is_fake
 
-  depends_on 'bc' => :build             # required for `make test`
-
-  def self.build
-    options="shared zlib-dynamic"
-
-    # Change default optimization level for armv7l from -O3 to -O2 because
-    # gcc-4.9.4 -O3 for armv7l cause `evp_test` problem like below.
-    #
-    #   Testing cipher CAMELLIA-256-OFB(decrypt)
-    #   Key
-    #   0000 60 3d eb 10 15 ca 71 be 2b 73 ae f0 85 7Decrypt failed
-    #   d 77 81
-    #   0010 1f 35 2c 07 3b 61 08 d7 2d 98 10 a3 09 14 df f4
-    #
-    system "sed -e '/linux-armv4/s/-O3/-O2/' -i Configure"
-
-    # Specify armv7 for aarch64 since Chrome OS aarch64 uses armv7 binaries as its userland.
-    case ARCH
-    when 'aarch64'
-      system "./Configure --prefix=#{CREW_PREFIX} --openssldir=/etc/ssl #{options} linux-armv4 -march=armv7-a"
-    when 'x86_64'
-      system "./config --prefix=#{CREW_PREFIX} --libdir=lib64 --openssldir=/etc/ssl #{options}"
-    else
-      system "./config --prefix=#{CREW_PREFIX} --openssldir=/etc/ssl #{options}"
-    end
-    system 'make'
-  end
-
-  def self.install
-    system "make", "INSTALL_PREFIX=#{CREW_DEST_DIR}", "install"
-    system "find #{CREW_DEST_PREFIX} -name 'lib*.a' -print | xargs rm"
-
-    # move man to #{CREW_PREFIX}/share/man
-    FileUtils.mkdir_p("#{CREW_DEST_PREFIX}/share")
-    system "mv", "#{CREW_DEST_DIR}/etc/ssl/man", "#{CREW_DEST_PREFIX}/share/man"
-
-    # remove all files under /etc/ssl (use system's /etc/ssl as is)
-    system "rm", "-rf", "#{CREW_DEST_DIR}/etc"
-
-    # compress man pages
-    system "compressdoc --gzip -9 #{CREW_DEST_PREFIX}/share/man/man1"
-    system "compressdoc --gzip -9 #{CREW_DEST_PREFIX}/share/man/man3"
-    system "compressdoc --gzip -9 #{CREW_DEST_PREFIX}/share/man/man5"
-    system "compressdoc --gzip -9 #{CREW_DEST_PREFIX}/share/man/man7"
-  end
-
-  def self.check
-    system "make", "test"
-  end
+  depends_on 'libressl'
 end