Merge pull request ARMmbed#288 from jamesbeyond/para_build

enable CI build 2 targets in parallel

Author: pan-

.circleci/config.yml

@@ -4,7 +4,7 @@
 #
 version: 2
 jobs:
-  build:
+  prepare:
     docker:
       - image: mbedos/mbed-os-env:stable
     working_directory: ~
@@ -18,10 +18,40 @@ jobs:
       - run:
           working_directory: mbed-os-example-ble
           command: for i in BLE_* ; do cd $i ; ln -s $PWD/../mbed-os mbed-os ; ln -s $PWD/../BUILD BUILD ; cd .. ; done
-      - run:
-          working_directory: mbed-os-example-ble
-          command: for i in BLE_* ; do cd $i ; mbed update ; mbed compile -t GCC_ARM -m NRF52840_DK || break ; cd .. ; done
-      - run:
-          working_directory: mbed-os-example-ble
-          command: for i in BLE_* ; do cd $i ; mbed update ; mbed compile -t GCC_ARM -m DISCO_L475VG_IOT01A || break ; cd .. ; done
+      - persist_to_workspace:
+          root: /root/project
+          paths: mbed-os-example-ble
+
+  build_nrf52840:
+    docker:
+      - image: mbedos/mbed-os-env:stable
+    working_directory: ~
+    steps:
+      - attach_workspace:
+          at: /root/project
+      - run: |
+          cd mbed-os-example-ble
+          for i in BLE_* ; do cd $i ; mbed update ; mbed compile -t GCC_ARM -m NRF52840_DK || break ; cd .. ; done
+
+  build_disco_l475vg:
+    docker:
+      - image: mbedos/mbed-os-env:stable
+    working_directory: ~
+    steps:
+      - attach_workspace:
+          at: /root/project
+      - run: |
+          cd mbed-os-example-ble
+          for i in BLE_* ; do cd $i ; mbed update ; mbed compile -t GCC_ARM -m DISCO_L475VG_IOT01A || break ; cd .. ; done
 
+workflows:
+  version: 2
+  workflow:
+    jobs:
+    - prepare
+    - build_nrf52840:
+        requires:
+          - prepare
+    - build_disco_l475vg:
+        requires:
+          - prepare