commit c4893559a9514c47e08ba0d38b7788d24cc63936
Author: Glenn <glenux@glenux.net>
Date:   Fri Oct 27 09:01:37 2023 +0200

    Initial import

diff --git a/_attic/setup.sh b/_attic/setup.sh
new file mode 100755
index 0000000..4be833f
--- /dev/null
+++ b/_attic/setup.sh
@@ -0,0 +1,65 @@
+#!/bin/sh
+
+set -e
+set -u
+
+PROJECT_NAME=crystal-builder
+WORKDIR="/$PROJECT_NAME"
+
+CDATE="$(date --rfc-3339=seconds |head -c19 |sed -e 's/[-:]//g' -e 's/ /-/')"
+CNAME=""
+CID=""
+
+crun() {
+	name="$1"
+	base="$2"
+	CNAME="$name-$CDATE"
+	CID="$(docker run -it \
+		--rm \
+		--name "$CNAME" \
+		--detach \
+		-v "./:$WORKDIR" \
+		-w "$WORKDIR" \
+		"$base" \
+		sleep infinity)"
+	if [ -z "$CID" ]; then
+   	   	>&2 echo "ERROR: Unable to run $name container ($CNAME)"
+   	   exit 1
+	fi
+
+}
+
+cclean() {
+	>&2 printf "INFO: Cleaning containers... "
+	docker kill "$CID" > /dev/null
+	echo "done"
+}
+trap "cclean" EXIT
+
+
+## 0. Run base image
+
+## 1. Install the latest crystal release
+## Ref. https://crystal-lang.org/install/
+crun step1 debian:12
+docker exec -it "$CID" sh "$WORKDIR/setup/step1.sh"
+docker commit "$CID" "$PROJECT_NAME:step1"
+cclean
+
+## 2. Make sure a supported LLVM version is present in the path
+## (When possible, use the latest supported version)
+crun step1 "$PROJECT_NAME:step1"
+cclean
+
+## 3. Make sure to install all the required libraries. You might also want to read the contributing guide.
+
+## 4. Clone the repository: git clone https://github.com/crystal-lang/crystal
+
+## 5. Run make to build your own version of the compiler.
+
+## 6. Run make std_spec compiler_spec to ensure all specs pass, and you’ve installed everything correctly.
+
+## 7. Use bin/crystal to run your crystal files.
+
+
+
diff --git a/docker/Dockerfile.phase1 b/docker/Dockerfile.phase1
new file mode 100644
index 0000000..f841c6f
--- /dev/null
+++ b/docker/Dockerfile.phase1
@@ -0,0 +1,31 @@
+FROM debian:12
+
+WORKDIR /setup
+
+## 1. Install the latest crystal release
+## Ref. https://crystal-lang.org/install/
+COPY setup/step1.sh /setup/step1.sh
+RUN sh /setup/step1.sh
+
+## 2. Make sure a supported LLVM version is present in the path
+## (When possible, use the latest supported version)
+COPY setup/step2.sh /setup/step2.sh
+RUN sh /setup/step2.sh
+
+## 3. Make sure to install all the required libraries. You might also want to read the contributing guide.
+COPY setup/step3.sh /setup/step3.sh
+RUN sh /setup/step3.sh
+
+## 4. Clone the repository: git clone https://github.com/crystal-lang/crystal
+COPY setup/step4.sh /setup/step4.sh
+RUN sh /setup/step4.sh
+
+## 5. Run make to build your own version of the compiler.
+COPY setup/step5.sh /setup/step5.sh
+
+## 6. Run make std_spec compiler_spec to ensure all specs pass, and you’ve installed everything correctly.
+
+## 7. Use bin/crystal to run your crystal files.
+
+
+
diff --git a/run.sh b/run.sh
new file mode 100755
index 0000000..eaa6a30
--- /dev/null
+++ b/run.sh
@@ -0,0 +1,65 @@
+#!/bin/sh
+
+set -eu
+
+# Prebuild for target architecture
+# FIXME: auto-configure arch + keep the build phase out of image
+
+CRYSTAL_VOLUME="$(docker volume list --format json |jq -r -s '.[] | select(.Name == "crystal") | try(.Name)')"
+if [ -n "$CRYSTAL_VOLUME" ]; then
+	docker volume rm crystal
+fi
+docker volume create crystal
+
+## 1. Install the latest crystal release
+## 2. Make sure a supported LLVM version is present in the path
+## 3. Make sure to install all the required libraries. You might also want to read the contributing guide.
+## 4. Clone the repository: git clone https://github.com/crystal-lang/crystal
+docker build -t crystal-builder:phase1 --file docker/Dockerfile.phase1 ./
+
+## 5. Run make to build your own version of the compiler.
+docker run -it --rm --name crystal-builder \
+	-v crystal:/crystal \
+	crystal-builder:phase1 \
+	sh /setup/step5.sh
+
+# 5bis. Compile Crystal project statically for target architecture
+docker run \
+  --rm \
+  --privileged \
+  multiarch/qemu-user-static \
+  --reset -p yes
+
+INSTALL_CRYSTAL=" \
+  sed -i -e 's/Types: deb/Types: deb deb-src/' /etc/apt/sources.list.d/debian.sources \
+  && echo 'deb http://deb.debian.org/debian unstable main' > /etc/apt/sources.list.d/sid.list \
+  && echo 'deb-src http://deb.debian.org/debian unstable main' >> /etc/apt/sources.list.d/sid.list \
+  && apt-get update \
+  && apt-get install -y \
+    g++ \
+    libxml2-dev \
+    llvm-dev \
+    make \
+    libssl-dev \
+    libpcre3-dev \
+    libyaml-dev \
+    zlib1g-dev \
+    dpkg-dev \
+  && apt source crystal \
+  && apt build-dep crystal \
+  && ls -lF \
+"
+
+BUILD_COMMAND="sleep 1"
+
+docker run \
+  -it \
+  -v "crystal:/crystal" \
+  -w /crystal \
+  --rm \
+  --platform linux/arm64 \
+  "arm64v8/debian" \
+  /bin/sh -c "$INSTALL_CRYSTAL && $BUILD_COMMAND && bash"
+
+## 6. Run make std_spec compiler_spec to ensure all specs pass, and you’ve installed everything correctly.
+## 7. Use bin/crystal to run your crystal files.
diff --git a/setup/step1.sh b/setup/step1.sh
new file mode 100644
index 0000000..6615d22
--- /dev/null
+++ b/setup/step1.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+set -eu
+
+echo "==== STEP 1 : Installing crystal"
+echo "---- Installing prerequisites"
+apt-get update 
+apt-get install -y \
+	curl \
+	gnupg2
+
+REPOSITORY="Debian_12"
+echo "deb http://download.opensuse.org/repositories/devel:/languages:/crystal/$REPOSITORY/ /" \
+	| tee /etc/apt/sources.list.d/crystal.list
+
+curl -fsSL "https://download.opensuse.org/repositories/devel:/languages:/crystal/$REPOSITORY/Release.key" \
+	| gpg --dearmor \
+	| tee /etc/apt/trusted.gpg.d/crystal.gpg > /dev/null
+
+apt-get update
+apt-get install -y crystal=1.10.1-1+2.1
+
diff --git a/setup/step2.sh b/setup/step2.sh
new file mode 100644
index 0000000..22b0542
--- /dev/null
+++ b/setup/step2.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+set -eu
+
+echo "==== STEP 2 : Installing crystal"
+echo "---- Installing prerequisites"
+apt-get update
+apt-get install -y llvm-dev
+
diff --git a/setup/step3.sh b/setup/step3.sh
new file mode 100644
index 0000000..dd7aceb
--- /dev/null
+++ b/setup/step3.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+set -eu
+
+echo "==== STEP 3 : Installing all the libraries"
+echo "---- Installing prerequisites"
+apt-get install -y \
+  automake \
+  build-essential \
+  git \
+  libbsd-dev \
+  libedit-dev \
+  libevent-dev \
+  libgmp-dev \
+  libgmpxx4ldbl \
+  libpcre3-dev \
+  libssl-dev \
+  libtool \
+  libxml2-dev \
+  libyaml-dev \
+  lld \
+  llvm \
+  llvm-dev\
+  libz-dev
+
+echo "---- SUCCESS"
diff --git a/setup/step4.sh b/setup/step4.sh
new file mode 100644
index 0000000..6ce2031
--- /dev/null
+++ b/setup/step4.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+set -eu
+
+echo "==== STEP 4 : Clone the repository"
+echo "---- Installing prerequisites"
+apt-get install -y \
+	git
+
+echo "---- Git clone"
+rm -fr /crystal/src
+git clone https://github.com/crystal-lang/crystal /crystal/src
+
+echo "---- SUCCESS"
diff --git a/setup/step5.sh b/setup/step5.sh
new file mode 100644
index 0000000..36dff59
--- /dev/null
+++ b/setup/step5.sh
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+#!/bin/sh
+
+set -eu
+
+echo "==== STEP 5 : Build your own version"
+echo "---- Installing prerequisites"
+apt-get install -y \
+	make
+
+echo "---- Running make"
+cd /crystal/src
+make progress=1 target=aarch64-unknown-linux-gnu | tee make.log
+
+echo "---- SUCCESS"