Remove Ubuntu 12.04 "precise pangolin" from build scripts

Ubuntu 12.04 will be EOL on April 28, after which it won't
receive updates and security fixes;
https://lists.ubuntu.com/archives/ubuntu-announce/2017-March/000218.html

This patch removes Ubuntu 12.04 from the build scripts

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

contrib/builder/deb/amd64/generate.sh

@@ -81,15 +81,15 @@ for version in "${versions[@]}"; do
 	)
 	# packaging for "sd-journal.h" and libraries varies
 	case "$suite" in
-		precise|wheezy) ;;
-		jessie|trusty) packages+=( libsystemd-journal-dev );;
-		*) packages+=( libsystemd-dev );;
+		wheezy) ;;
+		jessie|trusty) packages+=( libsystemd-journal-dev ) ;;
+		*) packages+=( libsystemd-dev ) ;;
 	esac
 
-	# debian wheezy & ubuntu precise do not have the right libseccomp libs
+	# debian wheezy does not have the right libseccomp libs
 	# debian jessie & ubuntu trusty have a libseccomp < 2.2.1 :(
 	case "$suite" in
-		precise|wheezy|jessie|trusty)
+		wheezy|jessie|trusty)
 			packages=( "${packages[@]/libseccomp-dev}" )
 			runcBuildTags="apparmor selinux"
 			;;
@@ -99,23 +99,6 @@ for version in "${versions[@]}"; do
 			;;
 	esac
 
-
-	if [ "$suite" = 'precise' ]; then
-		# precise has a few package issues
-
-		# - dh-systemd doesn't exist at all
-		packages=( "${packages[@]/dh-systemd}" )
-
-		# - libdevmapper-dev is missing critical structs (too old)
-		packages=( "${packages[@]/libdevmapper-dev}" )
-		extraBuildTags+=' exclude_graphdriver_devicemapper'
-
-		# - btrfs-tools is missing "ioctl.h" (too old), so it's useless
-		#   (since kernels on precise are old too, just skip btrfs entirely)
-		packages=( "${packages[@]/btrfs-tools}" )
-		extraBuildTags+=' exclude_graphdriver_btrfs'
-	fi
-
 	if [ "$suite" = 'wheezy' ]; then
 		# pull a couple packages from backports explicitly
 		# (build failures otherwise)

contrib/builder/deb/amd64/ubuntu-precise/Dockerfile

@@ -1,16 +0,0 @@
-#
-# THIS FILE IS AUTOGENERATED; SEE "contrib/builder/deb/amd64/generate.sh"!
-#
-
-FROM ubuntu:precise
-
-RUN apt-get update && apt-get install -y apparmor bash-completion  build-essential cmake curl ca-certificates debhelper dh-apparmor  git libapparmor-dev  libltdl-dev  pkg-config vim-common --no-install-recommends && rm -rf /var/lib/apt/lists/*
-
-ENV GO_VERSION 1.7.5
-RUN curl -fSL "https://golang.org/dl/go${GO_VERSION}.linux-amd64.tar.gz" | tar xzC /usr/local
-ENV PATH $PATH:/usr/local/go/bin
-
-ENV AUTO_GOPATH 1
-
-ENV DOCKER_BUILDTAGS apparmor exclude_graphdriver_btrfs exclude_graphdriver_devicemapper pkcs11 selinux
-ENV RUNC_BUILDTAGS apparmor selinux

contrib/builder/deb/armhf/generate.sh

@@ -83,15 +83,15 @@ for version in "${versions[@]}"; do
 	)
 	# packaging for "sd-journal.h" and libraries varies
 	case "$suite" in
-		precise|wheezy) ;;
-		jessie|trusty) packages+=( libsystemd-journal-dev );;
-		*) packages+=( libsystemd-dev );;
+		wheezy) ;;
+		jessie|trusty) packages+=( libsystemd-journal-dev ) ;;
+		*) packages+=( libsystemd-dev ) ;;
 	esac
 
-	# debian wheezy & ubuntu precise do not have the right libseccomp libs
+	# debian wheezy does not have the right libseccomp libs
 	# debian jessie & ubuntu trusty have a libseccomp < 2.2.1 :(
 	case "$suite" in
-		precise|wheezy|jessie|trusty)
+		wheezy|jessie|trusty)
 			packages=( "${packages[@]/libseccomp-dev}" )
 			runcBuildTags="apparmor selinux"
 			;;
@@ -101,23 +101,6 @@ for version in "${versions[@]}"; do
 			;;
 	esac
 
-
-	if [ "$suite" = 'precise' ]; then
-		# precise has a few package issues
-
-		# - dh-systemd doesn't exist at all
-		packages=( "${packages[@]/dh-systemd}" )
-
-		# - libdevmapper-dev is missing critical structs (too old)
-		packages=( "${packages[@]/libdevmapper-dev}" )
-		extraBuildTags+=' exclude_graphdriver_devicemapper'
-
-		# - btrfs-tools is missing "ioctl.h" (too old), so it's useless
-		#   (since kernels on precise are old too, just skip btrfs entirely)
-		packages=( "${packages[@]/btrfs-tools}" )
-		extraBuildTags+=' exclude_graphdriver_btrfs'
-	fi
-
 	if [ "$suite" = 'wheezy' ]; then
 		# pull a couple packages from backports explicitly
 		# (build failures otherwise)