docker/containerd: Export GOARCH to fix build in arm64

If the GOARCH isn't set CGO took the ARCH from the host and tries
to use -m64 flag that isn't available in aarch64 compiler.

...
| # github.com/opencontainers/runc/libcontainer/system
| aarch64-linaro-linux-gcc: error: unrecognized command line option
'-m64'
| # github.com/containerd/console
| aarch64-linaro-linux-gcc: error: unrecognized command line option
'-m64'
| Makefile:60: recipe for target 'shim-static' failed
...

Signed-off-by: Aníbal Limón <anibal.limon@linaro.org>
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/recipes-containers/containerd/containerd.inc b/recipes-containers/containerd/containerd.inc
index 18d9188e..e7a37192 100644
--- a/recipes-containers/containerd/containerd.inc
+++ b/recipes-containers/containerd/containerd.inc
@@ -38,6 +38,7 @@ do_compile() {
 
         # Pass the needed cflags/ldflags so that cgo
         # can find the needed headers files and libraries
+        export GOARCH="${TARGET_GOARCH}"
         export CGO_ENABLED="1"
         export CFLAGS=""
         export LDFLAGS=""