diff --git a/assemble-apk.sh b/assemble-apk.sh
new file mode 100755
index 0000000..f676bd6
--- /dev/null
+++ b/assemble-apk.sh
@@ -0,0 +1,35 @@
+#!/bin/zsh
+
+# This script transforms the current directory into a full-blown apk package.
+# It still requires a .PKGINFO file though.
+
+set -e
+
+# Output package name.
+apk="$1"
+
+# data.tar.gz
+echo "Compressing data..."
+set -- *
+
+tar --xattrs -f - -c * | \
+	abuild-tar --hash | \
+	gzip -9 > data.tar.gz
+
+echo "Create checksum..."
+# append the hash for data.tar.gz
+local sha256=$(sha256sum data.tar.gz | cut -f1 -d' ')
+echo "datahash = $sha256" >> .PKGINFO
+
+# control.tar.gz
+cd "$dir"
+metafiles=.PKGINFO
+[ -f .metafiles ] && metafiles=$(cat .metafiles)
+
+tar -f - -c ${metafiles[@]} | abuild-tar --cut \
+	| gzip -9 > control.tar.gz
+#abuild-sign -q control.tar.gz || exit 1
+
+echo "Create $apk"
+cat control.tar.gz data.tar.gz > $apk
+
diff --git a/src/context.cr b/src/context.cr
index 314cf9f..29eac71 100644
--- a/src/context.cr
+++ b/src/context.cr
@@ -1,4 +1,20 @@
 
+# FIXME: Where should this go? We can’t just leave it here. :(
+def pkginfo(package)
+	du = `du -sk #{package.fake_root_directory}`
+	size = du.sub(/[ \t].*/, "").to_i * 1024
+
+	%{	# Generated by `package`.
+		pkgname = #{package.name}
+		pkgver = #{package.version}-r#{package.release}
+		url = #{package.url || ""}
+		size = #{size}
+		origin = #{package.recipe.name}
+		buildtype = host
+		builddate = #{Time.utc.to_unix}
+	}.gsub /^	*/m, ""
+end
+
 class Package::Backend::Packaging
 	getter name : String
 
@@ -19,14 +35,40 @@ class Package::Context
 	getter packaging_backends = [] of Backend::Packaging
 	getter building_backends = [] of Backend::Building
 
+	# Well, this will need configuration, auto-detection and conversion,
+	# but it’ll be kind of enough for now.
+	property architecture = "x86_64"
+
 	def initialize
 		@packaging_backends << Backend::Packaging.new "pkgutils" do |package|
-			puts "#{package.fake_root_directory} -> #{packages_directory}/#{package.name}##{package.version}.pkg.tar.xz"
+			puts "#{package.fake_root_directory} -> #{packages_directory}/#{package.name}##{package.version}-#{package.release}.pkg.tar.xz"
 			pp! r = run package.fake_root_directory, "tar", ["cJf", "#{packages_directory}/#{package.name}##{package.version}.pkg.tar.xz", "."]
 
 			r.exit_status == 0
 		end
 
+		@packaging_backends << Backend::Packaging.new "apk" do |package|
+			# FIXME: This needs to have access to architecture (from Context?)
+			#        to work properly.
+			old_cwd = Dir.current
+
+			puts "#{package.fake_root_directory} -> #{packages_directory}/#{package.name}-#{package.version}-r#{package.release}.apk"
+
+			run package.fake_root_directory, "find", [".."]
+
+			puts pkginfo package
+			File.write "#{package.fake_root_directory}/.PKGINFO", pkginfo package
+
+			# Create data.tar.gz here.
+			package_target = "#{packages_directory}/#{package.name}-#{package.version}-r#{package.release}.apk"
+			# FIXME: This shouldn’t have to be in users’ PATH. libexec?
+			r = run package.fake_root_directory, "assemble-apk.sh", [
+				package_target
+			]
+
+			r.exit_status == 0
+		end
+
 		@selected_packaging_backend = @packaging_backends[0]
 
 		@building_backends << Backend::Building.new "configure", "autotools" do |context, recipe|
@@ -60,6 +102,22 @@ class Package::Context
 				BuildStatus::Failed
 			end
 		end
+
+		@building_backends << Backend::Building.new "install", "make" do |context, recipe|
+			Dir.cd recipe.dirname
+
+			unless File.exists? "Makefile"
+				next BuildStatus::Pass
+			end
+
+			child = context.run "make", ["install", "DESTDIR=#{recipe.fake_root_directory}"]
+
+			if child.exit_status == 0
+				BuildStatus::Success
+			else
+				BuildStatus::Failed
+			end
+		end
 	end
 
 	def packaging_backend=(name : String)
diff --git a/src/main.cr b/src/main.cr
index 31df186..4755e88 100644
--- a/src/main.cr
+++ b/src/main.cr
@@ -6,15 +6,20 @@ extend Package
 
 # FIXME: recipe.clean? context autoclean?
 Context.new().tap do |context|
-	context.packaging_backend = "pkgutils"
+	context.packaging_backend = "apk"
 
 	# FIXME: context.new_recipe? context.recipe?
 	Recipe.new(context, "hello", "2.10").tap do |recipe|
 		recipe.sources << "https://ftp.gnu.org/gnu/hello/hello-2.10.tar.gz"
 
-		#recipe.instructions.configure << "cd hello-#{recipe.version} && ./configure"
+		# This is a voluntary mix of automatic and manual build
+		# instructions.
+		# Also, installing in /package makes testing with a real-life
+		# package manager trivial and reduces the damage done in case
+		# of… containment failure. ]:->
+		recipe.instructions.configure << "cd hello-#{recipe.version} && ./configure --prefix=/package"
 		#recipe.instructions.build << "cd hello-#{recipe.version} && make"
-		recipe.instructions.install << "cd hello-#{recipe.version} && make DESTDIR='${PKG}' install"
+		#recipe.instructions.install << "cd hello-#{recipe.version} && make DESTDIR='${PKG}' install"
 
 		recipe.url = "https://www.gnu.org/software/hello/"
 		recipe.description = "The GNU Hello program produces a familiar, friendly greeting."
diff --git a/src/package.cr b/src/package.cr
index 802b885..d765b4a 100644
--- a/src/package.cr
+++ b/src/package.cr
@@ -1,6 +1,6 @@
 
 class Package::Package
-	@recipe : Recipe
+	getter recipe : Recipe
 
 	def initialize(@recipe)
 	end
diff --git a/src/recipe.cr b/src/recipe.cr
index 7fc2f3b..642cf8c 100644
--- a/src/recipe.cr
+++ b/src/recipe.cr
@@ -60,7 +60,7 @@ class Package::Recipe
 	end
 
 	def working_directory
-		@context.working_directory
+		"#{@context.working_directory}/#{@working_uuid}"
 	end
 
 	def building_directory