@@ -102,7 +102,7 @@ RUN set -x \

 	&& export OSXCROSS_PATH="/osxcross" \

 	&& git clone https://github.com/tpoechtrager/osxcross.git $OSXCROSS_PATH \

 	&& ( cd $OSXCROSS_PATH && git checkout -q $OSX_CROSS_COMMIT) \

-	&& curl -sSL https://s3.dockerproject.org/darwin/${OSX_SDK}.tar.xz -o "${OSXCROSS_PATH}/tarballs/${OSX_SDK}.tar.xz" \

+	&& curl -sSL https://s3.dockerproject.org/darwin/v2/${OSX_SDK}.tar.xz -o "${OSXCROSS_PATH}/tarballs/${OSX_SDK}.tar.xz" \

 	&& UNATTENDED=yes OSX_VERSION_MIN=10.6 ${OSXCROSS_PATH}/build.sh

 ENV PATH /osxcross/target/bin:$PATH

@@ -202,7 +202,7 @@ RUN useradd --create-home --gid docker unprivilegeduser

 VOLUME /var/lib/docker

 WORKDIR /go/src/github.com/docker/docker

-ENV DOCKER_BUILDTAGS apparmor seccomp selinux

+ENV DOCKER_BUILDTAGS apparmor pkcs11 seccomp selinux

 # Let us use a .bashrc file

 RUN ln -sfv $PWD/.bashrc ~/.bashrc

@@ -145,7 +145,7 @@ RUN useradd --create-home --gid docker unprivilegeduser

 VOLUME /var/lib/docker

 WORKDIR /go/src/github.com/docker/docker

-ENV DOCKER_BUILDTAGS apparmor seccomp selinux

+ENV DOCKER_BUILDTAGS apparmor pkcs11 seccomp selinux

 # Let us use a .bashrc file

 RUN ln -sfv $PWD/.bashrc ~/.bashrc

@@ -154,7 +154,7 @@ RUN useradd --create-home --gid docker unprivilegeduser

 VOLUME /var/lib/docker

 WORKDIR /go/src/github.com/docker/docker

-ENV DOCKER_BUILDTAGS apparmor seccomp selinux

+ENV DOCKER_BUILDTAGS apparmor pkcs11 seccomp selinux

 # Let us use a .bashrc file

 RUN ln -sfv $PWD/.bashrc ~/.bashrc

@@ -155,7 +155,7 @@ RUN useradd --create-home --gid docker unprivilegeduser

 VOLUME /var/lib/docker

 WORKDIR /go/src/github.com/docker/docker

-ENV DOCKER_BUILDTAGS apparmor selinux

+ENV DOCKER_BUILDTAGS apparmor pkcs11 selinux

 # Let us use a .bashrc file

 RUN ln -sfv $PWD/.bashrc ~/.bashrc

@@ -134,7 +134,7 @@ RUN useradd --create-home --gid docker unprivilegeduser

 VOLUME /var/lib/docker

 WORKDIR /go/src/github.com/docker/docker

-ENV DOCKER_BUILDTAGS apparmor selinux

+ENV DOCKER_BUILDTAGS apparmor pkcs11 selinux

 # Let us use a .bashrc file

 RUN ln -sfv $PWD/.bashrc ~/.bashrc

@@ -121,7 +121,7 @@ fi

 if [ "$DOCKER_EXPERIMENTAL" ]; then

 	echo >&2 '# WARNING! DOCKER_EXPERIMENTAL is set: building experimental features'

 	echo >&2

-	DOCKER_BUILDTAGS+=" experimental pkcs11"

+	DOCKER_BUILDTAGS+=" experimental"

 fi

 if [ -z "$DOCKER_CLIENTONLY" ]; then

@@ -15,8 +15,7 @@ Recommends: aufs-tools,

             cgroupfs-mount | cgroup-lite,

             git,

             xz-utils,

-            ${apparmor:Recommends},

-            ${yubico:Recommends}

+            ${apparmor:Recommends}

 Conflicts: docker (<< 1.5~), docker.io, lxc-docker, lxc-docker-virtual-package, docker-engine-cs

 Description: Docker: the open-source application container engine

  Docker is an open source project to build, ship and run any application as a

@@ -5,8 +5,6 @@ VERSION = $(shell cat VERSION)

 override_dh_gencontrol:

 	# if we're on Ubuntu, we need to Recommends: apparmor

 	echo 'apparmor:Recommends=$(shell dpkg-vendor --is Ubuntu && echo apparmor)' >> debian/docker-engine.substvars

-	# if we are building experimental we recommend yubico-piv-tool

-	echo 'yubico:Recommends=$(shell [ "$DOCKER_EXPERIMENTAL" ] && echo "yubico-piv-tool (>= 1.1.0~)")' >> debian/docker-engine.substvars

 	dh_gencontrol

 override_dh_auto_build:

@@ -60,13 +60,6 @@ Requires: device-mapper >= 1.02.90-2

 %global with_selinux 1

 %endif

-%if 0%{?_experimental}

-# yubico-piv-tool conditional

-%if 0%{?fedora} >= 20 || 0%{?centos} >= 7 || 0%{?rhel} >= 7

-Requires: yubico-piv-tool >= 1.1.0

-%endif

-%endif

-

 # start if with_selinux

 %if 0%{?with_selinux}

 # Version of SELinux we were using

@@ -36,7 +36,7 @@ if [ "$(go env GOOS)" == "linux" ] ; then

 	esac

 fi

-if [ "$IAMSTATIC" == "true" ] && [ "$(go env GOHOSTOS)" == "linux" ] && [ "$DOCKER_EXPERIMENTAL" ]; then

+if [ "$IAMSTATIC" == "true" ] && [ "$(go env GOHOSTOS)" == "linux" ]; then

 	if  [ "${GOOS}/${GOARCH}" == "darwin/amd64" ]; then

 		export CGO_ENABLED=1

 		export CC=o64-clang

@@ -60,7 +60,6 @@ To build the Docker daemon, you will additionally need:

 * btrfs-progs version 3.16.1 or later (unless using an older version is

   absolutely necessary, in which case 3.8 is the minimum)

 * libseccomp version 2.2.1 or later (for build tag seccomp)

-* yubico-piv-tool version 1.1.0 or later (for experimental)

 Be sure to also check out Docker's Dockerfile for the most up-to-date list of

 these build-time dependencies.