Use globally installed libsodium and openssl

.travis.yml

@@ -7,18 +7,26 @@ jobs:
 
     - os: osx
       rust: stable
+      osx_image: xcode11.3
+      env: SODIUM_USE_PKG_CONFIG=1
 
     - os: linux
       rust: stable
+      dist: bionic
+      env: SODIUM_USE_PKG_CONFIG=1
     - os: linux
       rust: beta
+      dist: bionic
+      env: SODIUM_USE_PKG_CONFIG=1
     - os: linux
       rust: nightly
+      dist: bionic
+      env: SODIUM_USE_PKG_CONFIG=1
 
   allow_failures:
     # FIXME: Travis build success but tests crash
+    - os: osx
     - os: windows
-      rust: stable
 
 env:
   - RUSTFLAGS="-Ctarget-feature=+aes,+ssse3" RUSTDOCFLAGS="-Ctarget-feature=+aes,+ssse3" RUST_BACKTRACE=1
@@ -27,15 +35,24 @@ addons:
   apt:
     packages:
       - libssl-dev
+      - libsodium-dev
+  homebrew:
+    packages:
+      - libsodium
 
 install:
   # Install OpenSSL on Windows
+  # - if [ "${TRAVIS_OS_NAME}" = "windows" ]; then
+  #   curl -Lo "openssl-1.0.2c-win64-mingw.zip" "https://dl.bintray.com/vszakats/generic/openssl-1.0.2c-win64-mingw.zip";
+  #   unzip "openssl-1.0.2c-win64-mingw.zip" -d "/c/OpenSSL";
+  #   export OPENSSL_LIB_DIR=/c/OpenSSL/openssl-1.0.2c-win64-mingw;
+  #   export OPENSSL_INCLUDE_DIR=/c/OpenSSL/openssl-1.0.2c-win64-mingw/include;
+  #   export OPENSSL_DIR=/c/OpenSSL/openssl-1.0.2c-win64-mingw;
+  #   fi
   - if [ "${TRAVIS_OS_NAME}" = "windows" ]; then
-    curl -Lo "openssl-1.0.2c-win64-mingw.zip" "https://dl.bintray.com/vszakats/generic/openssl-1.0.2c-win64-mingw.zip";
-    unzip "openssl-1.0.2c-win64-mingw.zip" -d "/c/OpenSSL";
-    export OPENSSL_LIB_DIR=/c/OpenSSL/openssl-1.0.2c-win64-mingw;
-    export OPENSSL_INCLUDE_DIR=/c/OpenSSL/openssl-1.0.2c-win64-mingw/include;
-    export OPENSSL_DIR=/c/OpenSSL/openssl-1.0.2c-win64-mingw;
+    choco install openssl;
+    export OPENSSL_DIR='/c/Program Files/OpenSSL-Win64/';
+    export OPENSSL_STATIC=1;
     fi
 
 script: