Run libm-cdylib tests; add OSX test jobs

Author: gnzlbg

azure-pipelines.yml

@@ -40,6 +40,23 @@ jobs:
         x86_64:
           TARGET: x86_64-unknown-linux-gnu
 
+  - job: OSX
+    pool:
+      vmImage: macos-10.13
+    steps:
+      - template: ci/azure-install-rust.yml
+      - bash: |
+          rustup target add $TARGET
+          sh ./ci/run.sh $TARGET
+    strategy:
+      matrix:
+        i686-apple-darwin:
+          TARGET: i686-apple-darwin
+          TOOLCHAIN: nightly
+        x86_64-apple-darwin:
+          TARGET: x86_64-apple-darwin
+          TOOLCHAIN: nightly
+
   - job: wasm
     pool:
       vmImage: ubuntu-16.04

ci/run.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env sh
 
 set -ex
 TARGET=$1
@@ -9,3 +9,11 @@ cargo test --target $TARGET --release
 cargo test --features 'checked musl-reference-tests' --target $TARGET
 
 cargo test --features 'checked musl-reference-tests' --target $TARGET --release
+
+if [ "$TARGET" = "x86_64-unknown-linux-gnu" ] || [ "${TARGET}" = "x86_64-apple-darwin" ]; then
+    (
+        cd crates/libm-cdylib
+        cargo test
+        cargo test --release
+    )
+fi