Dockerfile.in

FROM ubuntu
MAINTAINER me@invokr.org

ENV DEBIAN_FRONTEND noninteractive

RUN rm /bin/sh && ln -s /bin/bash /bin/sh \
&&	apt-get -y update && apt-get install -y --no-install-recommends \
	cmake git-core ca-certificates build-essential python nodejs \
	\
&&	git clone --depth 1 https://github.com/juj/emsdk.git emsdk_portable \
&&	cd emsdk_portable \
&&	rm -fr .git \
&&	rm -fr bin \
&&	echo {EMSCRIPTEN_TAG} > emscripten-tags.txt \
&&	./emsdk install --build=MinSizeRel {EMSCRIPTEN_SDK} \
&&	./emsdk activate {EMSCRIPTEN_SDK} \
	\
&&	sed -i -e 's/NODE_JS=.*/NODE_JS="nodejs"/g' ~/.emscripten \
&&	find . -name "CMakeFiles" -type d -prune -exec rm -fr {} \; \
&&	find . -name "*.o" -exec rm {} \; \
&&	find . -name "*.a" -exec rm {} \; \
&&	emscripten_version=$(find clang/*/src/emscripten-version.txt) \
&&	mv $emscripten_version emscripten-version.txt \
&&	rm -rf clang/*/src \
&&	mkdir -p $(echo "$(dirname "$emscripten_version")") \
&&	mv emscripten-version.txt $emscripten_version \
&&	rm -rf emscripten/*/.git \
&&	rm -rf zips \
&&	rm -rf node \
&&	rm -rf emscripten/*/tests \
	\
&&	for prog in em++ em-config emar emcc emconfigure emmake emranlib emrun emscons emcmake; do \
	ln -sf /emsdk_portable/emscripten/{EMSCRIPTEN_SDK_DIR}/$prog /usr/local/bin; done \
	\
&&	EMSCRIPTEN=/emsdk_portable/emscripten/{EMSCRIPTEN_SDK_DIR} \
	\
&&	emcc --version \
	\
&&	mkdir -p /tmp/emscripten_test && cd /tmp/emscripten_test \
&&	printf '#include <iostream>\nint main(){std::cout<<"HELLO"<<std::endl;return 0;}' > test.cpp \
&&	em++ -O2 test.cpp -o test.js && nodejs test.js \
&&	em++ test.cpp -o test.js && nodejs test.js \
&&	cd / \
&&	rm -fr /tmp/emscripten_test \
	\
&&	apt-get -y --purge remove build-essential gcc perl git-core ca-certificates \
&&	apt-get -y clean \
&&	apt-get -y autoclean \
&&	apt-get -y autoremove \
	\
&&	rm -rf /var/lib/apt/lists/* \
&&	rm -rf /var/cache/debconf/*-old \
&&	rm -rf /usr/share/doc/*

# SETUP SDK
ENV EMSCRIPTEN=/emsdk_portable/emscripten/{EMSCRIPTEN_SDK_DIR}
WORKDIR /src