Revert "Don't build a custom openssl on OSX"

This reverts commit 645430602d.

We actually need 1.0.2 for DTLSv1.2 and ALPN

.travis.yml

@@ -9,8 +9,10 @@ os:
 env:
   global:
     - FEATURES="tlsv1_2 tlsv1_1 dtlsv1 dtlsv1_2 sslv2 aes_xts npn alpn"
+before_install:
+- (test $TRAVIS_OS_NAME == "osx" || ./openssl/test/build.sh)
 before_script:
 - ./openssl/test/test.sh
 script:
-- (cd openssl && cargo test)
-- (test $TRAVIS_OS_NAME == "osx" || (cd openssl && cargo test --features "$FEATURES"))
+- (cd openssl && LD_LIBRARY_PATH=/usr/lib:$LD_LIBRARY_PATH cargo test)
+- (test $TRAVIS_OS_NAME == "osx" || (cd openssl && LD_LIBRARY_PATH=/usr/lib:$LD_LIBRARY_PATH cargo test --features "$FEATURES"))

openssl/test/build.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+set -e
+
+mkdir /tmp/openssl
+cd /tmp/openssl
+sudo apt-get install gcc make
+curl https://openssl.org/source/openssl-1.0.2-latest.tar.gz | tar --strip-components=1 -xzf -
+./config --prefix=/usr/ shared
+make
+sudo make install