Initial commit.

Dockerfile

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+# TODO upgrade to recent Ubuntu version
+FROM ubuntu:16.04
+ENV LANG C.UTF-8
+
+# User to build toolchains and plugins
+RUN groupadd -g 1000 build
+RUN useradd --create-home --uid 1000 --gid 1000 --shell /bin/bash build
+
+USER build
+WORKDIR /home/build
+
+RUN make toolchain-linux
+RUN make toolchain-windows
+RUN make toolchain-mac
+
+# TODO untested

Makefile

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+
+# Installation path for executables
+LOCAL_DIR := $(PWD)/local
+# Local programs should have higher path priority than system-installed programs
+export PATH := $(LOCAL_DIR)/bin:$(PATH)
+
+
+all: toolchain-linux toolchain-windows toolchain-mac
+
+
+crosstool-ng := $(LOCAL_DIR)/bin/ct-ng
+$(crosstool-ng):
+	wget -c "http://crosstool-ng.org/download/crosstool-ng/crosstool-ng-1.24.0.tar.xz"
+	tar -xf crosstool-ng-1.24.0.tar.xz
+	rm crosstool-ng-1.24.0.tar.xz
+	cd crosstool-ng-1.24.0 && ./bootstrap
+	cd crosstool-ng-1.24.0 && ./configure --prefix="$(LOCAL_DIR)"
+	cd crosstool-ng-1.24.0 && make
+	cd crosstool-ng-1.24.0 && make install
+	rm -rf crosstool-ng-1.24.0
+
+
+toolchain-linux := $(LOCAL_DIR)/x86_64-ubuntu16.04-linux-gnu
+toolchain-linux: $(toolchain-linux)
+$(toolchain-linux): $(crosstool-ng)
+	ct-ng x86_64-ubuntu16.04-linux-gnu
+	CT_PREFIX="$(LOCAL_DIR)" ct-ng build
+	rm -rf .build .config
+	# HACK Copy GL include dir to toolchain sysroot
+	chmod +w $(toolchain-linux)/x86_64-ubuntu16.04-linux-gnu/sysroot/usr/include
+	cp -r /usr/include/GL $(toolchain-linux)/x86_64-ubuntu16.04-linux-gnu/sysroot/usr/include/
+	chmod -w $(toolchain-linux)/x86_64-ubuntu16.04-linux-gnu/sysroot/usr/include
+
+
+toolchain-windows := $(LOCAL_DIR)/x86_64-w64-mingw32
+toolchain-windows: $(toolchain-windows)
+$(toolchain-windows): $(crosstool-ng)
+	ct-ng x86_64-w64-mingw32
+	CT_PREFIX="$(LOCAL_DIR)" ct-ng build
+	rm -rf .build .config
+
+
+toolchain-mac := osxcross
+toolchain-mac: $(toolchain-mac)
+$(toolchain-mac):
+	git clone "https://github.com/tpoechtrager/osxcross.git" $@
+	cd $@ && git checkout a791ad4fca685ea9fceb520b77db586881cd3f3d
+
+	# Build clang
+	#cd $@ && UNATTENDED=1 DISABLE_BOOTSTRAP=1 INSTALLPREFIX="$(LOCAL_DIR)" OCDEBUG=1 ./build_clang.sh
+	#cd $@/build/llvm-10.0.1.src/build && make install
+
+	# Build osxcross
+	cp MacOSX10.13.sdk.tar.bz2 $@/tarballs/
+	cd $@ && UNATTENDED=1 TARGET_DIR="$(LOCAL_DIR)/osxcross" ./build.sh
+
+
+rack-sdk := Rack-SDK
+rack-sdk: $(rack-sdk)
+$(rack-sdk):
+	wget -c "https://vcvrack.com/downloads/Rack-SDK-1.1.6.zip"
+	unzip Rack-SDK-1.1.6.zip
+	rm Rack-SDK-1.1.6.zip
+RACK_DIR := $(PWD)/$(rack-sdk)
+
+
+plugin-build-mac: export PATH := $(PWD)/osxcross/target/bin:$(PATH)
+plugin-build-mac: export CC := x86_64-apple-darwin17-clang
+plugin-build-mac: export CXX := x86_64-apple-darwin17-clang++-libc++
+plugin-build-mac: export STRIP := x86_64-apple-darwin17-strip
+
+
+plugin-build-windows: export PATH := $(LOCAL_DIR)/x86_64-w64-mingw32/bin:$(PATH)
+plugin-build-windows: export CC := x86_64-w64-mingw32-gcc
+plugin-build-windows: export CXX := x86_64-w64-mingw32-g++
+plugin-build-windows: export STRIP := x86_64-w64-mingw32-strip
+
+
+plugin-build-linux: export PATH:=$(LOCAL_DIR)/x86_64-ubuntu16.04-linux-gnu/bin:$(PATH)
+plugin-build-linux: export CC := x86_64-ubuntu16.04-linux-gnu-gcc
+plugin-build-linux: export CXX := x86_64-ubuntu16.04-linux-gnu-g++
+plugin-build-linux: export STRIP := x86_64-ubuntu16.04-linux-gnu-strip
+
+
+plugin-build-mac plugin-build-windows plugin-build-linux: export RACK_DIR := $(RACK_DIR)
+plugin-build-mac plugin-build-windows plugin-build-linux:
+	cd $(PLUGIN_DIR) && $(MAKE) clean
+	cd $(PLUGIN_DIR) && $(MAKE) cleandep
+	cd $(PLUGIN_DIR) && $(MAKE) dep
+	cd $(PLUGIN_DIR) && $(MAKE) dist
+	mkdir -p plugin-build
+	cp $(PLUGIN_DIR)/dist/*.zip plugin-build/
+	cd $(PLUGIN_DIR) && $(MAKE) clean
+
+
+plugin-build: plugin-build-mac plugin-build-windows plugin-build-linux
+
+
+dep-ubuntu:
+	sudo apt-get update
+	sudo apt-get install -y --no-install-recommends \
+		ca-certificates \
+		git \
+		build-essential \
+		autoconf \
+		automake \
+		bison \
+		flex \
+		gawk \
+		libtool-bin \
+		libncurses5-dev \
+		unzip \
+		zip \
+		jq \
+		libgl-dev \
+		libglu-dev \
+		git \
+		wget \
+		curl \
+		cmake \
+		nasm \
+		xz-utils \
+		file \
+		python3 \
+		libxml2-dev \
+		libssl-dev \
+		texinfo \
+		help2man
+
+dep-arch-linux:
+	# TODO Complete this list
+	sudo pacman -S --needed \
+		wget \
+		help2man
+
+
+docker-build:
+	docker build -t rack-plugin-toolchain:1 .
+
+docker-run:
+	docker run --rm -it rack-plugin-toolchain:1
+
+
+.NOTPARALLEL:
+.PHONY: all plugin-build

README.md

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+
+Build Rack plugins for Mac, Windows, and Linux with a single command on any Linux distro.
+Coming soon: Use Docker to build on Mac, Windows, or Linux.
+
+
+## Building
+
+Clone this repository in a path without spaces, or the Makefile will break.
+
+Obtain `MacOSX10.13.sdk.tar.bz2` using the method at https://github.com/tpoechtrager/osxcross#packaging-the-sdk, and place it in the root of this repository.
+This must be done on a computer with Mac 10.13.
+
+Build toolchains for each platform.
+```
+make toolchain-linux
+make toolchain-windows
+make toolchain-mac
+```
+Each toolchain will take around an hour to build, requiring network access and about 15 GB free disk space total.
+
+Download the latest Rack SDK.
+```
+make rack-sdk
+```
+
+## Building plugins
+
+Build plugin package for all platforms.
+```
+m plugin-build PLUGIN_DIR=...
+```
+
+This places packages in `plugin-build/`.