Add buildflags to allow crosscompilation for apparmor

Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume.charmes@docker.com> (github: creack)

hack/make.sh

@@ -84,7 +84,8 @@ fi
 # Use these flags when compiling the tests and final binary
 LDFLAGS='-X github.com/dotcloud/docker/dockerversion.GITCOMMIT "'$GITCOMMIT'" -X github.com/dotcloud/docker/dockerversion.VERSION "'$VERSION'" -w'
 LDFLAGS_STATIC='-X github.com/dotcloud/docker/dockerversion.IAMSTATIC true -linkmode external -extldflags "-lpthread -static -Wl,--unresolved-symbols=ignore-in-object-files"'
-BUILDFLAGS='-tags netgo -a'
+BUILDFLAGS='-a'
+BUILDTAGS="apparmor netgo"
 
 HAVE_GO_TEST_COVER=
 if \

hack/make/binary

@@ -2,5 +2,5 @@
 
 DEST=$1
 
-go build -o $DEST/docker-$VERSION -ldflags "$LDFLAGS $LDFLAGS_STATIC" $BUILDFLAGS ./docker
+go build -o $DEST/docker-$VERSION -ldflags "$LDFLAGS $LDFLAGS_STATIC" $BUILDFLAGS -tags "$BUILDTAGS" ./docker
 echo "Created binary: $DEST/docker-$VERSION"

hack/make/cross

@@ -18,6 +18,7 @@ for platform in $DOCKER_CROSSPLATFORMS; do
 		export GOOS=${platform%/*}
 		export GOARCH=${platform##*/}
 		export LDFLAGS_STATIC="" # we just need a simple client for these platforms (TODO this might change someday)
+		export BUILDTAGS="netgo"
 		source "$(dirname "$BASH_SOURCE")/binary" "$DEST/$platform"
 	)
 done

pkg/libcontainer/apparmor/apparmor.go

@@ -1,3 +1,5 @@
+// +build apparmor
+
 package apparmor
 
 // #cgo LDFLAGS: -lapparmor

pkg/libcontainer/apparmor/apparmor_disabled.go

@@ -0,0 +1,13 @@
+// +build !apparmor
+
+package apparmor
+
+import ()
+
+func IsEnabled() bool {
+	return false
+}
+
+func ApplyProfile(pid int, name string) error {
+	return nil
+}