cyassl 2.4.6

Closes Homebrew/homebrew#16466.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/cyassl.rb

@@ -0,0 +1,82 @@
+require 'formula'
+
+class Cyassl < Formula
+  homepage 'http://yassl.com/yaSSL/Products-cyassl.html'
+  url 'https://github.com/cyassl/cyassl/archive/v2.4.6.tar.gz'
+  sha256 '0a51ac204edd38ab01b226e7248d7e01753a750276dc5e75159f5b0090be3eeb'
+
+  # Enable when the next release it shipped. Breaks with inline patch.
+  head 'https://github.com/cyassl/cyassl.git'
+
+  depends_on :automake
+  depends_on :libtool
+
+  option 'enable-dtsl', 'Enable DTLS support.'
+  option 'enable-sniffer', 'Enable sniffer support.'
+
+  def patches
+    # The patch contain two bits. One that needs to be added as we use autogen.sh,
+    # and this is broken for CyaSSL. They depend on a .git folder present.
+    # The second part can be removed with the next release. Fixed upstream.
+    DATA
+  end
+
+  fails_with :clang do
+    build 421
+  end
+
+  def install
+    args = %W[--prefix=#{prefix}
+              --enable-aesgcm
+              --enable-certgen
+              --enable-crl
+              --enable-crl-monitor
+              --enable-fortress
+              --enable-hc128
+              --enable-keygen
+              --enable-ocsp
+              --enable-opensslExtra
+              --enable-ripemd
+              --enable-sha512
+              --disable-debug
+              --disable-ecc
+              --disable-noFilesystem
+              --disable-noInline
+              --disable-ntru
+              --disable-small
+              --with-libz
+    ]
+
+    args << '--enable-dtsl' if build.include? 'enable-dtsl'
+    args << '--enable-sniffer' if build.include? 'enable-sniffer'
+
+    if MacOS.prefer_64_bit?
+      args << '--enable-fastmath' << '--enable-fasthugemath' << '--enable-bump'
+    else
+      args << '--disable-fastmath' << '--disable-fasthugemath' << '--disable-bump'
+    end
+
+    # Extra flag is stated as a needed for the Mac platform.
+    # http://yassl.com/yaSSL/Docs-cyassl-manual-2-building-cyassl.html
+    # Also, only applies if fastmath is enabled.
+    ENV.append_to_cflags '-mdynamic-no-pic' if MacOS.prefer_64_bit?
+
+    # They don't provide a public release, so that we use a tag from their repo instead.
+    system "./autogen.sh"
+    system "./configure", *args
+
+    system "make"
+    system "make install"
+  end
+end
+
+__END__
+diff --git a/autogen.sh b/autogen.sh
+index f16dbd7..ed78895 100755
+--- a/autogen.sh
++++ b/autogen.sh
+@@ -10,4 +10,3 @@ else
+ fi
+
+ autoreconf --install --force --verbose
+-ln -s -f ../../pre-commit.sh .git/hooks/pre-commit