Trigger lego-mac build too

Summary:
This should let me get rid of the 2 mac minis on my desk
and find open source mac breakage on diffs instead of after the facts

Reviewed By: perryjrandall

Differential Revision: D4287428

fbshipit-source-id: d6c9d80b64bc834a2a69496f2ee4cd2866427d0f

Author: ldemailly

build/lego-job-spec.sh

@@ -1,7 +1,8 @@
 #! /bin/sh
+
 cat <<EOF
 [{
-    "alias": "wdt-opensource",
+    "alias": "wdt-opensource-linux",
     "command": "SandcastleUniversalCommand",
     "vcsType": "fbcode-fbsource",
     "user": "ldemailly",
@@ -11,19 +12,49 @@ cat <<EOF
         "os": "ubuntu_16.04"
     },
     "args": {
-        "name": "wdt-opensource",
+        "name": "wdt-opensource-linux",
         "oncall": "wdt",
         "timeout": 10800,
         "steps": [
             {
                 "user": "facebook",
-                "name": "Build Wdt",
+                "name": "Build Wdt OpenSource Linux",
                 "shell": "mkdir wdt_build; cd wdt_build; pwd; cmake ../wdt -DFOLLY_SOURCE_DIR=$BOX_DIR -DBUILD_TESTING=on && make -j",
                 "required": true
             },
             {
                 "user": "facebook",
-                "name": "Run Wdt Tests",
+                "name": "Run Wdt OpenSource Linux Tests",
+                "shell": "cd wdt_build; CTEST_OUTPUT_ON_FAILURE=1 make test",
+                "required": true
+            }
+        ]
+    }
+},
+{
+    "alias": "wdt-opensource-mac",
+    "command": "SandcastleUniversalCommand",
+    "vcsType": "fbcode-fbsource",
+    "user": "ldemailly",
+    "capabilities": {
+        "vcs": "fbcode-fbsource",
+        "type": "lego-mac",
+    },
+    "args": {
+        "name": "wdt-opensource-mac",
+        "oncall": "wdt",
+        "timeout": 10800,
+        "steps": [
+        "steps": [
+            {
+                "user": "facebook",
+                "name": "Build Wdt OpenSource Mac",
+                "shell": "wdt/build/lego-mac-build.sh",
+                "required": true
+            },
+            {
+                "user": "facebook",
+                "name": "Run Wdt OpenSource Mac Tests",
                 "shell": "cd wdt_build; CTEST_OUTPUT_ON_FAILURE=1 make test",
                 "required": true
             }

build/lego-mac-build.sh

@@ -0,0 +1,22 @@
+#! /bin/bash
+
+# Remove the double-conversion part when Task#10922468 is done
+
+set -x
+pwd
+uname -a
+mkdir wdt_build
+cd wdt_build || exit 1
+cmake --version
+export https_proxy=fwdproxy:8080
+git clone https://github.com/floitsch/double-conversion.git
+mkdir double-conversion-build
+(cd double-conversion-build && \
+ cmake -DBUILD_SHARED_LIBS=on \
+       -DCMAKE_INSTALL_PREFIX="$HOME" \
+       ../double-conversion; \
+ make -j 4 && make install)
+
+cmake ../wdt -DFOLLY_SOURCE_DIR="$(cd ..;pwd)" -DBUILD_TESTING=on \
+      -DDOUBLECONV_INCLUDE_DIR="$HOME/include" \
+      -DDOUBLECONV_LIBRARY="$HOME/lib/libdouble-conversion.dylib" && make -j