build travis releases with --features=all, add an i686 linux release build

.travis.yml

@@ -14,18 +14,18 @@ matrix:
 
     # deployments
     - env: DEPLOY=1 TARGET=x86_64-apple-darwin
-      script: cargo build --release --target $TARGET
+      script: cargo build --release --target $TARGET --features=all
       os: osx
-    - env: DEPLOY=1 TARGET=x86_64-unknown-linux-musl
-      before_script:
-        - rustup target add $TARGET
-        - curl https://www.openssl.org/source/openssl-1.0.2l.tar.gz | tar xzf -
-        - (cd openssl-1.0.2l &&
-          CC=musl-gcc ./Configure --prefix=$HOME/openssl-musl no-dso no-ssl2 no-ssl3 linux-x86_64 -fPIC &&
-          make -j$(nproc) &&
-          make install)
-        - export OPENSSL_DIR=$HOME/openssl-musl
-      script: cargo build --release --target $TARGET
+    - env: DEPLOY=1 TARGET=x86_64-unknown-linux-musl OPENSSL_DIR=$HOME/openssl-musl
+      before_script: ./scripts/travis-musl-openssl.sh
+      script: cargo build --release --target $TARGET --features=all
+      addons:
+        apt:
+          packages:
+          - musl-tools
+    - env: DEPLOY=1 TARGET=i686-unknown-linux-musl OPENSSL_DIR=$HOME/openssl-musl
+      before_script: ./scripts/travis-musl-openssl.sh
+      script: cargo build --release --target $TARGET --features=all
       addons:
         apt:
           packages:

scripts/travis-musl-openssl.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+set -vex
+
+case "$TARGET" in
+    x86_64-*)
+        OPENSSL_TARGET=linux-x86_64
+        ;;
+    i686-*)
+        OPENSSL_TARGET=linux-generic32
+        EXTRA=-m32
+        ;;
+esac
+
+rustup target add "$TARGET"
+curl https://www.openssl.org/source/openssl-1.0.2l.tar.gz | tar xzf -
+cd openssl-1.0.2l
+CC=musl-gcc ./Configure --prefix="$OPENSSL_DIR" no-dso no-ssl2 no-ssl3 "$EXTRA" "$OPENSSL_TARGET" -fPIC
+make -j"$(nproc)"
+make install