Compile all toolchains with crosstool-NG

Author: NadavTasher

Makefile

@@ -2,9 +2,6 @@
 IMAGE_TAG ?= latest
 IMAGE_NAME ?= nadavtasher/toolchains
 
-# Choose the image flavor
-IMAGE_FLAVOR ?= online
-
 # Export variables for usage in recipes
 export IMAGE_TAG IMAGE_NAME
 
@@ -31,11 +28,11 @@ endif
 
 .PHONY: image
 image:
-	@docker buildx build $(SOURCE_DIRECTORY) --file $(SOURCE_DIRECTORY)/Dockerfile.$(IMAGE_FLAVOR) --load --tag $(IMAGE_NAME):$(IMAGE_TAG)
+	@docker buildx build $(SOURCE_DIRECTORY) --file $(SOURCE_DIRECTORY)/Dockerfile --load --tag $(IMAGE_NAME):$(IMAGE_TAG)
 
 .PHONY: release
 release:
-	@docker buildx build $(SOURCE_DIRECTORY) --file $(SOURCE_DIRECTORY)/Dockerfile.$(IMAGE_FLAVOR) --push --platform linux/amd64 --tag $(IMAGE_NAME):$(IMAGE_TAG) --tag $(IMAGE_NAME):latest
+	@docker buildx build $(SOURCE_DIRECTORY) --file $(SOURCE_DIRECTORY)/Dockerfile --push --platform linux/amd64 --tag $(IMAGE_NAME):$(IMAGE_TAG) --tag $(IMAGE_NAME):latest
 
 .PHONY: run
 run: image

image/Dockerfile

@@ -0,0 +1,70 @@
+# Ubuntu base version
+ARG UBUNTU_BASE_VERSION=24.04
+
+# Use scratch as fetching image
+FROM ubuntu:${UBUNTU_BASE_VERSION} AS build
+
+# Install build dependencies
+RUN apt update && \
+	apt install -y gcc g++ gperf bison flex texinfo help2man make libncurses-dev python3-dev autoconf automake libtool libtool-bin gawk wget bzip2 xz-utils unzip patch libstdc++6 rsync && \
+	rm -r /var/lib/apt/lists
+
+# Enter build directory
+WORKDIR /tmp/ct-ng
+
+# Default crosstool-ng version
+ARG CROSSTOOL_NG_VERSION=1.27.0
+
+# Download crosstool-ng
+RUN wget -O - https://github.com/crosstool-ng/crosstool-ng/releases/download/crosstool-ng-${CROSSTOOL_NG_VERSION}/crosstool-ng-${CROSSTOOL_NG_VERSION}.tar.bz2 | tar --strip-components=1 -xj
+
+# Install ct-ng globally
+RUN ./configure && make install
+
+# Copy the build configurations
+COPY configurations /tmp/configurations
+
+# Change to build user
+USER 1000:1000
+
+# Loop over configuration files and compile toolchains
+RUN mkdir -p /tmp/tarballs; \
+	for configuration in /tmp/configurations/*.conf; do \
+		mkdir -p /tmp/build_$configuration; \
+		cp $configuration /tmp/build_$configuration/.config; \
+		ct-ng build -C /tmp/build_$configuration; \
+		rm -rf /tmp/build_$configuration; \
+	done;
+
+# Use ubuntu as the base image
+FROM ubuntu:${UBUNTU_BASE_VERSION}
+
+# Install build essentials
+RUN apt update && \
+	apt install -y build-essential autoconf cmake libtool git qemu-user-static && \
+	rm -r /var/lib/apt/lists
+
+# Target directory for toolchains
+ARG TOOLCHAINS_DIRECTORY=/toolchains
+
+# Change to the toolchains directory
+WORKDIR ${TOOLCHAINS_DIRECTORY}
+
+# Mount toolchains and extract them, then create a checksums file for all toolchains
+RUN --mount=type=bind,from=build,source=/tmp/tarballs,target=/tmp/tarballs \
+	for file in /tmp/tarballs/*; do \
+		tar xf $file; \
+	done; \
+	sha256sum /tmp/tarballs/* > checksums
+
+# Add environment variable of toolchains location
+ENV TOOLCHAINS_DIRECTORY=${TOOLCHAINS_DIRECTORY}
+
+# Copy the resources to the container
+COPY --chmod=775 resources /bin
+
+# Change the container entrypoint
+ENTRYPOINT [ "entrypoint.sh" ]
+
+# Change to the build working directory
+WORKDIR /build