tools: Remove c-compile

It is not longer used by any package. Some projects
still use it and I haven't updated their builds but they
should continue to work.

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>

tools/c-compile/Dockerfile

@@ -1,25 +0,0 @@
-FROM alpine:3.5
-RUN \
-  apk update && apk upgrade && \
-  apk add \
-    argp-standalone \
-    automake \
-    bash \
-    bsd-compat-headers \
-    build-base \
-    cmake \
-    curl \
-    gcc \
-    git \
-    libc-dev \
-    linux-headers \
-    make \
-    musl-dev \
-    patch \
-    util-linux-dev \
-    vim \
-  && true
-
-COPY compile.sh /usr/bin/
-
-ENTRYPOINT ["/usr/bin/compile.sh"]

tools/c-compile/Makefile

@@ -1,41 +0,0 @@
-.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 $(IMAGE):build -c 'cat /lib/apk/db/installed /usr/bin/compile.sh | sha1sum' | sed 's/ .*//' > hash
-
-push: hash
-	docker pull linuxkit/$(IMAGE):$(shell cat hash) || \
-		(docker tag $(IMAGE):build linuxkit/$(IMAGE):$(shell cat hash) && \
-		 docker push linuxkit/$(IMAGE):$(shell cat hash))
-	docker rmi $(IMAGE):build
-	rm -f hash
-
-tag: hash
-	docker pull linuxkit/$(IMAGE):$(shell cat hash) || \
-		docker tag $(IMAGE):build linuxkit/$(IMAGE):$(shell cat hash)
-	docker rmi $(IMAGE):build
-	rm -f hash
-
-signed-tag: hash
-	DOCKER_CONTENT_TRUST=1 docker pull linuxkit/$(IMAGE):$(shell cat hash) || \
-		(DOCKER_CONTENT_TRUST=1 docker pull $(BASE) && \
-		 docker build --no-cache -t $(IMAGE):build . && \
-		 docker tag $(IMAGE):build linuxkit/$(IMAGE):$(shell cat hash))
-
-sign: signed-tag
-	DOCKER_CONTENT_TRUST=1 docker pull linuxkit/$(IMAGE):$(shell cat hash) || \
-		DOCKER_CONTENT_TRUST=1 docker push linuxkit/$(IMAGE):$(shell cat hash)
-	rm -f hash
-	docker rmi $(IMAGE):build || true
-
-clean:
-	rm -f hash
-
-.DELETE_ON_ERROR:

tools/c-compile/compile.sh

@@ -1,56 +0,0 @@
-#!/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