Split base/ into base/ and tools/

Signed-off-by: Riyaz Faizullabhoy <riyaz.faizullabhoy@docker.com>

tools/c-compile/Dockerfile

@@ -0,0 +1,15 @@
+FROM alpine:3.5
+RUN \
+  apk update && apk upgrade && \
+  apk add \
+  curl \
+  gcc \
+  git \
+  libc-dev \
+  linux-headers \
+  util-linux-dev \
+  && true
+
+COPY compile.sh /usr/bin/
+
+ENTRYPOINT ["/usr/bin/compile.sh"]

tools/c-compile/Makefile

@@ -0,0 +1,29 @@
+.PHONY: tag push
+
+BASE=alpine:3.5
+IMAGE=c-compile
+
+default: push
+
+hash: Dockerfile compile.sh 
+	DOCKER_CONTENT_TRUST=1 docker pull $(BASE)
+	tar cf - $^ | docker build --no-cache -t $(IMAGE):build -
+	docker run --rm --entrypoint=/bin/sh $(IMAGE):build -c 'cat /lib/apk/db/installed /usr/bin/compile.sh | sha1sum' | sed 's/ .*//' > hash
+
+push: hash
+	docker pull mobylinux/$(IMAGE):$(shell cat hash) || \
+		(docker tag $(IMAGE):build mobylinux/$(IMAGE):$(shell cat hash) && \
+		 docker push mobylinux/$(IMAGE):$(shell cat hash))
+	docker rmi $(IMAGE):build
+	rm -f hash
+
+tag: hash
+	docker pull mobylinux/$(IMAGE):$(shell cat hash) || \
+		docker tag $(IMAGE):build mobylinux/$(IMAGE):$(shell cat hash)
+	docker rmi $(IMAGE):build
+	rm -f hash
+
+clean:
+	rm -f hash
+
+.DELETE_ON_ERROR:

tools/c-compile/compile.sh

@@ -0,0 +1,56 @@
+#!/bin/sh
+
+# This is designed to compile a single package to a single binary
+# so it makes some assumptions about things to simplify config
+# to output a single binary (in a tarball) just use -o file
+# use --docker to output a tarball for input to docker build -
+
+set -e
+
+usage() {
+	echo "Usage: -o file"
+	exit 1
+}
+
+[ $# = 0 ] && usage
+
+while [ $# -gt 0 ]
+do
+	flag="$1"
+	case "$flag" in
+	-o)
+		[ $# -eq 1 ] && usage
+		out="$2"
+		mkdir -p "$(dirname $2)"
+		shift
+	;;
+	-l*)
+		LIBS="$LIBS $1"
+		shift
+	;;
+	*)
+		echo "Unknown option $1"
+		exit 1
+	esac
+	shift
+done
+
+[ -z "$out" ] && usage
+
+package=$(basename "$out")
+
+dir="/src/$package"
+
+mkdir -p $dir
+
+# untar input
+tar xf - -C $dir
+
+(
+	cd $dir
+	CFILES=$(find . -name '*.c')
+	cc -static -O2 -Wall -Werror -o ../../$out $CFILES $LIBS
+)
+
+tar cf - $out
+exit 0