From 55f352d5d5f1e5d291eabc038fcbf41af4985fc6 Mon Sep 17 00:00:00 2001
From: Ella Stanforth <ella@iglunix.org>
Date: Tue, 19 Apr 2022 09:32:14 +0000
Subject: [PATCH] begin switching to iglunix-bootstrap

---
 autobuild.sh | 111 +++++++++++++++++++++++++++++++++++++++++++++++++++
 chroot.sh    |  19 +++++++++
 2 files changed, 130 insertions(+)
 create mode 100755 autobuild.sh
 create mode 100755 chroot.sh

diff --git a/autobuild.sh b/autobuild.sh
new file mode 100755
index 0000000..ab778be
--- /dev/null
+++ b/autobuild.sh
@@ -0,0 +1,111 @@
+#!/bin/sh -e
+
+mkdir -p build
+
+cd build
+# TODO: add option for using native toolchain for stage 0
+[ -d 'iglunix-bootstrap' ] || git clone --depth=1 https://github.com/iglunix/iglunix-bootstrap
+[ -d 'iglunix' ] || git clone --depth=1 https://github.com/iglunix/iglunix
+[ -d 'iglupkg' ] || git clone --depth=1 https://github.com/iglunix/iglupkg
+
+SYSROOT_S2=$(pwd)/sysroot
+IP=$(pwd)/iglupkg/
+
+LOGS=$(pwd)/logs
+
+mkdir -p $LOGS
+
+echo === STAGE 1 === Build cross toolchain
+
+cd iglunix-bootstrap
+MAKE=gmake bad --gmake ./boot.sh
+SYSROOT_S1=$(pwd)/sysroot
+
+cd ..
+
+echo === STAGE 1 === Done
+
+s2_build() {
+	PKGDIR=$1
+	PKGNAME=$2
+	cd $1/$2
+	[ -f .s2 ] || ${IP}iglupkg.sh --with-cross=x86_64 --with-cross-dir=$SYSROOT_S1 --for-cross --for-cross-dir=/ fbp
+	touch .s2
+	# 2>$LOGS/$2.1.err > $LOGS/$2.1.out
+	cd ../../
+}
+
+s2_extract() {
+	PKGDIR=$1
+	PKGNAME=$2
+	cd $1/$2/out
+	tar -xf $2-*.tar.zst -C $SYSROOT_S2 -I zstd
+	cd ../../../
+}
+
+
+cd iglunix
+
+echo === STAGE 2 === Build cross libs
+
+s2_build linux musl
+s2_build linux linux
+s2_build base libunwind
+s2_build base libcxx
+
+echo === STAGE 2 === Assemble sysroot
+
+[ -d "$SYSROOT_S2" ] || {
+	mkdir -p $SYSROOT_S2
+	
+	s2_extract linux musl
+	s2_extract linux linux
+	s2_extract base libunwind
+	s2_extract base libcxx
+}
+
+echo === STAGE 3 === Build target packages
+
+s3_build() {
+	PKGDIR=$1
+	PKGNAME=$2
+	cd $1/$2
+	[ -f .s3 ]  || ${IP}iglupkg.sh --with-cross=x86_64 --with-cross-dir=$SYSROOT_S2 fbp
+	touch .s3
+	# 2>$LOGS/$2.2.err > $LOGS/$2.2.out
+	cd ../../
+}
+
+s3_build linux linux
+s3_build linux musl
+s3_build linux busybox
+s3_build base mksh
+s3_build base toybox
+s3_build base libunwind
+s3_build base libcxx
+s3_build base llvm
+
+touch .autobuilt
+
+# order to build packages
+#
+# build stage 1 cross toolchain with stage 0:
+#
+# linux
+# musl
+# libunwind
+# libcxx
+# ...
+#
+# build stage 2 final packages
+#
+# linux
+# musl
+# libunwind
+# libcxx
+# llvm
+# 
+# mksh
+# toybox
+# busybox
+# clang
diff --git a/chroot.sh b/chroot.sh
new file mode 100755
index 0000000..51908d8
--- /dev/null
+++ b/chroot.sh
@@ -0,0 +1,19 @@
+#!/bin/sh -e
+cd build
+[ -f iglunix/.autobuilt ] || echo "ERROR: you need to run autobuild.sh first"
+CHROOT=$(pwd)/chroot
+mkdir -p $CHROOT
+
+cex() {
+	PKGDIR=$1
+	PKGNAME=$2
+	tar -xf iglunix/$PKGDIR/$PKGNAME/out/$PKGNAME.*.tar.zst -I zstd -C $CHROOT
+}
+
+cex linux musl
+cex linux busybox
+cex base mksh
+cex base toybox
+cex base libunwind
+cex base libcxx
+cex base llvm