diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..e0feeab
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,3 @@
+files
+native-gcc
+.repos
\ No newline at end of file
diff --git a/.env10 b/.env10
new file mode 100644
index 0000000..917ea31
--- /dev/null
+++ b/.env10
@@ -0,0 +1,2 @@
+GCC_VER=10
+BINUTILS_VER=2.23.2
\ No newline at end of file
diff --git a/.env11 b/.env11
new file mode 100644
index 0000000..b7b97f6
--- /dev/null
+++ b/.env11
@@ -0,0 +1,2 @@
+GCC_VER=11
+BINUTILS_VER=2.23.2
\ No newline at end of file
diff --git a/.env6 b/.env6
new file mode 100644
index 0000000..65f5223
--- /dev/null
+++ b/.env6
@@ -0,0 +1,2 @@
+GCC_VER=6
+BINUTILS_VER=2.23.2
\ No newline at end of file
diff --git a/.env8 b/.env8
new file mode 100644
index 0000000..bd550f1
--- /dev/null
+++ b/.env8
@@ -0,0 +1,2 @@
+GCC_VER=8
+BINUTILS_VER=2.23.2
\ No newline at end of file
diff --git a/.env9 b/.env9
new file mode 100644
index 0000000..548c215
--- /dev/null
+++ b/.env9
@@ -0,0 +1,2 @@
+GCC_VER=9
+BINUTILS_VER=2.23.2
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..2aa7c25
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,98 @@
+# The ubuntu:latest tag points to the "latest LTS", since that's the version recommended for general use.
+FROM ubuntu:bionic
+
+LABEL maintainer="Georgios Sokianos <walkero@gmail.com>"
+
+ARG DEBIAN_FRONTEND=noninteractive
+ARG REPOS_PATH
+
+WORKDIR /tmp
+
+RUN dpkg --add-architecture i386 && apt-get update && apt-get -y --no-install-recommends install \
+    ca-certificates \
+    curl \
+    python2.7;
+
+RUN ln -s /usr/bin/python2.7 /usr/bin/python; \
+    curl -fsSL https://bootstrap.pypa.io/pip/2.7/get-pip.py -o /tmp/get-pip.py && \
+    python get-pip.py && \
+    pip2 install --no-cache-dir argcomplete==1.12.3 mako; \
+    rm -rf /tmp/* /var/tmp/*;
+
+
+    # libc6:i386 libncurses5:i386 libstdc++6:i386 
+    # multiarch-support binutils-multiarch \
+RUN apt-get -y --no-install-recommends install \
+    autoconf \
+    automake \
+    autopoint \
+    bison \
+    dh-autoreconf \
+    flex \
+    g++-8 \
+    gettext \
+    git \
+    gperf \
+    libgmp-dev \
+    libmpc3 \
+    libmpc-dev \
+    libtool \
+    make \
+    mc \
+    nano \
+    patch \
+    rsync \
+    texinfo \
+    wget \
+    xz-utils; \
+    ln -s /usr/bin/g++-8 /usr/bin/g++; \
+    rm /usr/bin/gcc; \
+    ln -s /usr/bin/gcc-8 /usr/bin/gcc; \
+    git config --global user.email "walkero@gmail.com"; \
+    git config --global user.name "Georgios Sokianos";
+
+    # libfl2 \
+# Install latest lha from git repo
+RUN git clone https://github.com/jca02266/lha.git && \
+    mkdir build && \
+    cd lha && \
+    autoreconf -vfi && \
+    cd ../build && \
+    ../lha/configure --prefix=/usr && \
+    make && \
+    make install && \
+    apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*;
+
+# Add necessary repos
+ADD ${REPOS_PATH}/adtools /opt/adtools
+ADD ${REPOS_PATH}/binutils-gdb /opt/adtools/binutils/repo
+ADD ${REPOS_PATH}/coreutils /opt/adtools/coreutils/repo
+# ADD ${REPOS_PATH}/gcc-releases-gcc-8.4.0.tar.gz /opt/adtools/gcc/repo
+# ADD ${REPOS_PATH}/gcc /opt/adtools/gcc/repo
+ADD ${REPOS_PATH}/gnulib /opt/adtools/gnulib/repo
+ADD build-gcc.sh /opt/adtools
+
+ADD ${REPOS_PATH}/execsg_private_sdk /tmp/execsg_private_sdk
+
+WORKDIR /opt/adtools
+
+RUN git submodule init && \
+    git submodule update && \
+    chmod +x build-gcc.sh
+
+
+
+
+
+
+
+#      && \
+#     gild/bin/gild checkout binutils ${BINUTILS_VER} && \
+#     gild/bin/gild checkout gcc ${GCC_VER} && \
+#     make -C native-build -j4;
+
+# RUN cd /opt/adtools/native-build && \
+#     make native-install && \
+#     make native-dist && \
+#     make clib2-dist;
+
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..f2b1ad4
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,92 @@
+REPOSPATH ?= ./repos
+REPO ?= walkero/adtoolsbuilder
+TAG ?= adtools-build
+WORKSPACE ?= -w /opt/adtools
+NAME ?= adtools-build
+VOLUMES ?= -v "${PWD}/native-gcc":/gcc
+
+.PHONY: help build buildnc shell gcc6 gcc8 gcc10 gcc11 clonerepos pullrepos clean
+
+default: help
+
+help:
+	@echo "This make file helps on building the Docker image and starting containers"
+	@echo "where adtools can get build."
+	@echo "The available parameters can be seen below:"
+	@echo ""
+	@echo "build      - Build the Docker image"
+	@echo "buildnc    - Pull the latest repos' code and build the Docker image without"
+	@echo "             using caching"
+	@echo "shell      - Create a container with the latest Docker image and get into it."
+	@echo "             Not suitable to compile adtools"
+	@echo "gcc6       - Create a container with the latest Docker image and get into it"
+	@echo "             to compile adtools with GCC 6."
+	@echo "gcc8       - Create a container with the latest Docker image and get into it"
+	@echo "             to compile adtools with GCC 8."
+	@echo "gcc10      - Create a container with the latest Docker image and get into it"
+	@echo "             to compile adtools with GCC 10."
+	@echo "gcc11      - Create a container with the latest Docker image and get into it"
+	@echo "             to compile adtools with GCC 11."
+	@echo "clonerepos - Clone the necessary repositories under repos folder."
+	@echo "pullrepos  - Pull the latest code for the projects under repos folder."
+	@echo "clean      - Remove the docker container, if this still exists."
+	@echo ""
+	@echo "Since the SDK 53.34 is used, there is a need of the latest ExecSG private SDK"
+	@echo "which should be placed manually under repos folder. So the path should be:"
+	@echo "repos/execsg_private_sdk/SDK/..."
+	@echo ""
+
+# TODO: Add a check for the execsg_private_sdk folder
+build:
+	docker build -t $(REPO):$(TAG) \
+		--build-arg REPOS_PATH=$(REPOSPATH) .
+
+buildnc: pullrepos
+	docker build --no-cache -t $(REPO):$(TAG) \
+		--build-arg REPOS_PATH=$(REPOSPATH) .
+
+shell:
+	docker run -it --rm --name $(NAME) $(WORKSPACE) $(VOLUMES) $(REPO):$(TAG) /bin/bash
+
+gcc6:
+	docker run -it --rm --name $(NAME)-6 $(WORKSPACE) \
+		-v "${PWD}/native-gcc/6":/gcc \
+		-v "${PWD}/files/native-build/makefile-SDK53.34":/opt/adtools/native-build/makefile \
+		-v "${PWD}/files/gcc-build":/opt/adtools/gcc-build \
+		--env-file .env6 $(REPO):$(TAG) /bin/bash
+
+gcc8:
+	docker run -it --rm --name $(NAME)-8 $(WORKSPACE) \
+		-v "${PWD}/native-gcc/8":/gcc \
+		-v "${PWD}/files/native-build/makefile-SDK53.34":/opt/adtools/native-build/makefile \
+		-v "${PWD}/files/gcc-build":/opt/adtools/gcc-build \
+		--env-file .env8 $(REPO):$(TAG) /bin/bash
+
+gcc10:
+	docker run -it --rm --name $(NAME)-10 $(WORKSPACE) \
+		-v "${PWD}/native-gcc/10":/gcc \
+		-v "${PWD}/files/native-build/makefile-SDK53.34":/opt/adtools/native-build/makefile \
+		-v "${PWD}/files/gcc-build":/opt/adtools/gcc-build \
+		--env-file .env10 $(REPO):$(TAG) /bin/bash
+
+gcc11:
+	docker run -it --rm --name $(NAME)-11 $(WORKSPACE) \
+		-v "${PWD}/native-gcc/11":/gcc \
+		-v "${PWD}/files/native-build/makefile-SDK53.34":/opt/adtools/native-build/makefile \
+		-v "${PWD}/files/gcc-build":/opt/adtools/gcc-build \
+		--env-file .env11 $(REPO):$(TAG) /bin/bash
+
+clonerepos:
+	git clone https://github.com/sba1/adtools          $(REPOSPATH)/adtools
+	git clone https://github.com/bminor/binutils-gdb   $(REPOSPATH)/binutils-gdb
+	git clone https://github.com/coreutils/coreutils   $(REPOSPATH)/coreutils
+	git clone https://github.com/coreutils/gnulib      $(REPOSPATH)/gnulib
+
+pullrepos:
+	git -C $(REPOSPATH)/adtools pull
+	git -C $(REPOSPATH)/binutils-gdb pull
+	git -C $(REPOSPATH)/coreutils pull
+	git -C $(REPOSPATH)/gnulib pull
+
+clean:
+	-docker rm -f $(NAME)
diff --git a/build-gcc.sh b/build-gcc.sh
new file mode 100644
index 0000000..169f259
--- /dev/null
+++ b/build-gcc.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+# This script compiles the native GCC environment
+
+gild/bin/gild checkout binutils ${BINUTILS_VER} && \
+gild/bin/gild checkout gcc ${GCC_VER} && \
+make -C native-build -j4
+
+# Prepare coreutils 5.2 (disabled)
+gild/bin/gild checkout coreutils 5.2
+
+
+# Prepare coreutils 8.27
+# gild/bin/gild checkout coreutils 8.27 && \
+# gild/bin/gild checkout gnulib for-coreutils-8.27 && \
+# cd coreutils/repo && \
+# ./bootstrap
+
+
+# create the release packages
+cd /opt/adtools/native-build
+# The following might fail on [ and need to run twice
+make native-install
+
+make native-dist && \
+make clib2-dist && \
+mv adtools-os4-*.lha /gcc
diff --git a/files/gcc-build/Makefile b/files/gcc-build/Makefile
new file mode 100644
index 0000000..9e135e1
--- /dev/null
+++ b/files/gcc-build/Makefile
@@ -0,0 +1,57 @@
+#
+# Makefile to compile cross
+#
+# Use SRC_DIR to alter the path of the source (default ../gcc)
+# Use VERSION to specify the version (alters the name of the created drawer)
+#
+# when compiling 4.4.x or newer.
+#
+# 
+
+SRC_DIR=../gcc/repo
+VERSION:=$(shell cat $(SRC_DIR)/gcc/BASE-VER)
+MAJOR_VERSION:=$(word 1, $(subst ., , $(VERSION)))
+CROSS_BUILD_DIR=cross-$(VERSION)
+NATIVE_BUILD_DIR=native-$(VERSION)
+PREFIX=/usr/local/amiga
+BUILD=i686-pc-linux-gnu ## for some reasons configure script of gcc 4.2.4 doesn't identify the correct build type
+REAL_SRC_DIR=$(realpath $(SRC_DIR))
+
+# Defines FEATURES macro according to the actual gcc version
+include features.mk
+
+all: cross
+
+.PHONY: cross-configure
+cross-configure:
+	mkdir -p $(CROSS_BUILD_DIR)
+	cd $(CROSS_BUILD_DIR); $(REAL_SRC_DIR)/configure \
+		--with-bugurl='https://github.com/sba1/adtools/issues' \
+		--with-pkgversion='adtools build $(VERSION)' \
+		--target=ppc-amigaos \
+		--prefix=$(PREFIX) \
+		$(FEATURES) #\
+#		--enable-checking=gc
+
+.PHONY: cross
+cross: cross-configure
+	$(MAKE) -C $(CROSS_BUILD_DIR)
+
+.PHONY: native
+native:
+	mkdir -p $(NATIVE_BUILD_DIR)
+	cd $(NATIVE_BUILD_DIR); LDFLAGS="-lunix" $(REAL_SRC_DIR)/configure \
+		--with-bugurl='https://github.com/sba1/adtools/issues' \
+		--with-pkgversion='adtools build $(VERSION)' \
+		--host=ppc-amigaos \
+		--target=ppc-amigaos \
+		--disable-nls \
+		--prefix=/gcc \
+		--with-gmp=$(LIB_PATH) \
+		--with-mpfr=$(LIB_PATH) \
+		--with-mpc=$(LIB_PATH) \
+		--program-prefix=ppc-amigaos- \
+		--program-suffix=-$(MAJOR_VERSION) \
+		--libexecdir=/gcc/libexec \
+		$(FEATURES)
+	$(MAKE) -C $(NATIVE_BUILD_DIR)
diff --git a/files/gcc-build/features.mk b/files/gcc-build/features.mk
new file mode 100644
index 0000000..49be2d8
--- /dev/null
+++ b/files/gcc-build/features.mk
@@ -0,0 +1,18 @@
+MAJOR_VERSION:=$(word 1, $(subst ., , $(VERSION)))
+
+FEATURES=\
+	--enable-languages=c,c++  \
+	--enable-haifa            \
+	--enable-sjlj-exceptions  \
+	--disable-libstdcxx-pch \
+	--disable-tls
+
+# Check, if major version is greater than or equals to 8
+ifeq ($(shell test $(MAJOR_VERSION) -ge 8; echo $$?), 0)
+FEATURES+=--enable-threads=amigaos --enable-lto
+
+# Check, if major version is greater than or equals to 11
+ifeq ($(shell test $(MAJOR_VERSION) -ge 11; echo $$?), 0)
+FEATURES+=--disable-c++tools
+endif
+endif
diff --git a/files/native-build/makefile-SDK53.30 b/files/native-build/makefile-SDK53.30
new file mode 100644
index 0000000..4d00e52
--- /dev/null
+++ b/files/native-build/makefile-SDK53.30
@@ -0,0 +1,503 @@
+#
+# This makefile drives the native build done on a non-native system, i.e.,
+# before building the native compiler, a cross compiler will be build.
+# We then build the native compiler using the freshly-built cross
+# compiler.
+#
+# The user running this script must have write access to /gcc
+#
+# Define CROSS_IS_PRESENT=1 if a suitable cross compiler is already
+# present, in which case the cross compiler build is skipped, e.g.:
+#
+#  make CROSS_IS_PRESENT=1
+#
+
+ROOT_DIR=$(realpath .)
+
+# Compiler setup, utilize ccache if available
+CCACHE:=$(shell which ccache)
+HOST_GCC:=$(strip $(CCACHE) gcc)
+HOST_GXX:=$(strip $(CCACHE) g++)
+
+GMP_ARCHIVE=gmp-5.1.3.tar.bz2
+MPFR_ARCHIVE=mpfr-3.1.6.tar.bz2
+MPC_ARCHIVE=mpc-1.0.3.tar.gz
+
+BINUTILS_VERSION=2.23.2
+BINUTILS_SRC_DIR=../binutils/repo
+
+GCC_SRC_DIR=../gcc/repo
+GCC_VERSION:=$(shell cat $(GCC_SRC_DIR)/gcc/BASE-VER)
+GCC_DEV_PHASE:=$(shell cat ${GCC_SRC_DIR}/gcc/DEV-PHASE)
+
+ifneq ($(GCC_DEV_PHASE),)
+GCC_DEV_PHASE:= ($(GCC_DEV_PHASE))
+endif
+
+GCC_BRANCH_NAME:=$(word 1, $(subst ., , $(GCC_VERSION)))
+
+SDK_URL=https://www.hyperion-entertainment.biz/index.php?option=com_registration&amp;view=download&amp;format=raw&amp;file=82&amp;Itemid=82
+SDK_VERSION=53.30
+
+# Native tools
+COREUTILS_SRC_DIR=../coreutils/repo
+COREUTILS_VERSION=5.2.1
+
+# Distribution version, used as middle part of a distribution archive
+DIST_VERSION=$(shell date +%Y%m%d)-$(shell git rev-list --count HEAD)
+
+CLIB2_URL=https://github.com/sodero/clib2
+CLIB2_SHA1=3609972cb4c2c8ff60e4d79571d5eaabf5bf97b4
+CLIB2_RELEASE_ARCHIVE_NAME=adtools-os4-clib2-$(DIST_VERSION).lha
+
+CROSS_PREFIX?=$(ROOT_DIR)/root-cross
+# This assumes that cross prefix is absolute
+DESTDIR?=
+
+STRIP=$(CROSS_PREFIX)/bin/ppc-amigaos-strip
+STRIPFLAGS=--strip-all --strip-unneeded-rel-relocs -R.comment
+
+all: gcc-native-done-$(GCC_VERSION)
+
+#
+# Print the dist version that is used as suffix for various
+# suffixes.
+#
+.PHONY: print-dist-version
+print-dist-version:
+	@echo $(DIST_VERSION)
+
+#
+# Downloads clib2
+#
+downloads-done-clib2:
+	mkdir -p downloads
+	cd downloads && (git clone $(CLIB2_URL) clib2 || true) && cd clib2 && git checkout $(CLIB2_SHA1)
+	touch $@
+
+#
+# Downloads the SDK and libraries necesseary to build the cross compiler
+#
+downloads-done: downloads-done-clib2
+	wget "$(SDK_URL)" -O downloads/SDK_$(SDK_VERSION).lha
+	cd downloads && wget -N http://ftp.gnu.org/gnu/gmp/$(GMP_ARCHIVE)
+	cd downloads && wget -N http://ftp.gnu.org/gnu/mpfr/$(MPFR_ARCHIVE)
+	cd downloads && wget -N http://ftp.gnu.org/gnu/mpc/$(MPC_ARCHIVE)
+	touch $@
+
+#
+# Builds the cross binutils package (assembler, etc).
+#
+binutils-cross-build-done-$(BINUTILS_VERSION):
+	$(MAKE) -C ../binutils-build SRC_DIR=$(BINUTILS_SRC_DIR) PREFIX=$(CROSS_PREFIX) CROSS_BUILD_DIR=$(ROOT_DIR)/binutils-cross-build-$(BINUTILS_VERSION)
+	touch $@
+
+.PHONY: binutils-build
+binutils-build: binutils-cross-build-done-$(BINUTILS_VERSION)
+
+#
+# Installs the cross binutils package (assembler, etc).
+#
+binutils-cross-done-$(BINUTILS_VERSION): binutils-cross-build-done-$(BINUTILS_VERSION)
+	$(MAKE) -C $(ROOT_DIR)/binutils-cross-build-$(BINUTILS_VERSION) install DESTDIR=$(DESTDIR)
+	touch $@
+
+.PHONY: binutils-install
+binutils-install: binutils-cross-done-$(BINUTILS_VERSION)
+
+#
+# Prepares the includes
+#
+includes-done: downloads-done
+	mkdir -p $(CROSS_PREFIX)/ppc-amigaos/SDK/include
+	cd downloads && lha x SDK_$(SDK_VERSION).lha
+# We built clib2 inplace
+#	cd downloads/SDK_Install && lha xf clib2*.lha
+	cd downloads/SDK_Install && lha xf newlib*.lha
+	cd downloads/SDK_Install && lha xf base.lha
+	cd downloads/SDK_Install && rm -Rf *.lha
+	cd downloads/SDK_Install && mv newlib* $(CROSS_PREFIX)/ppc-amigaos/SDK
+#	cd downloads/SDK_Install && mv clib2* $(CROSS_PREFIX)/ppc-amigaos/SDK
+	cd downloads/SDK_Install && mv Include/* $(CROSS_PREFIX)/ppc-amigaos/SDK/include
+	rm -Rf downloads/SDK_Install downloads/SDK_Install.info
+	touch $@
+
+#
+# Path to the initial cross compiler or standard
+# cross compiler if a cross compiler is present
+#
+
+ifeq ($(CROSS_IS_PRESENT),1)
+
+XGCC=ppc-amigaos-gcc
+XGCC_CC=ppc-amigaos-gcc
+XAR=ppc-amigaos-ar -q
+XRANLIB=ppc-amigaos-ranlib
+
+CLIB2_CROSS_DONE_DEPENDENCY=downloads-done-clib2
+
+else
+
+XGCC_DIR=$(abspath .)/gcc-cross-build-$(GCC_VERSION)/gcc
+XGCC=$(XGCC_DIR)/xgcc
+XGCC_CC=$(XGCC) -B $(XGCC_DIR)
+XAR=$(CROSS_PREFIX)/bin/ppc-amigaos-ar -q
+XRANLIB=$(CROSS_PREFIX)/bin/ppc-amigaos-ranlib
+
+CLIB2_CROSS_DONE_DEPENDENCY=xgcc-done-$(GCC_VERSION)
+
+endif
+
+CLIB2_DIR=downloads/clib2/library
+
+#
+# Prints the folder where the basic xg (xgcc or xg++) compilers
+# can be round.
+#
+.PHONY: print-xg-dir
+print-xg-dir:
+	@echo $(XGCC_DIR)
+
+#
+# Build only xgcc, no other stuff like libstdc++ etc.
+#
+xgcc-done-$(GCC_VERSION): includes-done binutils-cross-done-$(BINUTILS_VERSION)
+	CC="$(HOST_GCC)" CXX="$(HOST_GXX)" $(MAKE) -C ../gcc-build cross-configure \
+		SRC_DIR=$(GCC_SRC_DIR) \
+		PREFIX=$(CROSS_PREFIX) \
+		CROSS_BUILD_DIR=$(ROOT_DIR)/gcc-cross-build-$(GCC_VERSION) \
+		VERSION=$(GCC_VERSION)
+	$(MAKE) -C $(ROOT_DIR)/gcc-cross-build-$(GCC_VERSION) all-gcc
+	touch $@
+
+#
+# Build clib2 via xgcc
+#
+clib2-cross-done-$(GCC_VERSION): $(CLIB2_CROSS_DONE_DEPENDENCY)
+# Build clib2 using xgcc that have just been built
+	$(MAKE) -C $(CLIB2_DIR) -f GNUmakefile.os4 CC="$(XGCC_CC)" AR="$(XAR)" RANLIB="$(XRANLIB)"
+# Copy clib2 libs and includes
+	rm -Rf $(CROSS_PREFIX)/ppc-amigaos/SDK/clib2/lib $(CROSS_PREFIX)/ppc-amigaos/SDK/clib2/include
+	mkdir -p $(CROSS_PREFIX)/ppc-amigaos/SDK/clib2/lib
+	mkdir -p $(CROSS_PREFIX)/ppc-amigaos/SDK/clib2/include
+	cp -Rp $(CLIB2_DIR)/include/* $(CROSS_PREFIX)/ppc-amigaos/SDK/clib2/include
+	cp -Rp $(CLIB2_DIR)/lib/* $(CROSS_PREFIX)/ppc-amigaos/SDK/clib2/lib
+	touch $@
+
+#
+# Build the cross compiler
+#
+gcc-cross-done-$(GCC_VERSION): clib2-cross-done-$(GCC_VERSION)
+# Compile remaining
+	$(MAKE) -C $(ROOT_DIR)/gcc-cross-build-$(GCC_VERSION)
+	$(MAKE) -C $(ROOT_DIR)/gcc-cross-build-$(GCC_VERSION) install
+	touch $@
+
+.PHONY: gcc-cross
+gcc-cross: gcc-cross-done-$(GCC_VERSION)
+
+#
+# Optional target for additional libs
+#
+.PHONY: additionals-libs
+additionals-libs:
+	mkdir -p $(CROSS_PREFIX)/ppc-amigaos/SDK/local/common/include
+	mkdir -p /tmp/abcd
+	cd downloads && lha xw=/tmp/abcd SDK_$(SDK_VERSION).lha
+	cd /tmp/abcd/SDK_Install && lha x pthread.lha && lha x zlib-1.2.3.lha
+	cp -Rf /tmp/abcd/SDK_Install/Local/* $(CROSS_PREFIX)/ppc-amigaos/SDK/local
+	rm -Rf /tmp/abcd
+
+
+ifeq ($(CROSS_IS_PRESENT),1)
+NATIVE_LIBRARY_DEPENDENCIES=downloads-done
+else
+NATIVE_LIBRARY_DEPENDENCIES=gcc-cross-done-$(GCC_VERSION)
+endif
+
+#
+# Build and install the libraries
+#
+libraries-done: $(NATIVE_LIBRARY_DEPENDENCIES)
+	cd downloads && tar -xjf $(notdir $(GMP_ARCHIVE))
+	cd downloads && tar -xjf $(notdir $(MPFR_ARCHIVE))
+	cd downloads && tar -xzf $(notdir $(MPC_ARCHIVE))
+	cd $(basename $(basename downloads/$(notdir $(GMP_ARCHIVE)))) && PATH="$(CROSS_PREFIX)/bin:$(PATH)" ./configure --host=ppc-amigaos --prefix=$(CROSS_PREFIX) && PATH="$(CROSS_PREFIX)/bin:$(PATH)" make install
+	cd $(basename $(basename downloads/$(notdir $(MPFR_ARCHIVE)))) && PATH="$(CROSS_PREFIX)/bin:$(PATH)" ./configure --host=ppc-amigaos --prefix=$(CROSS_PREFIX) -with-gmp=$(CROSS_PREFIX) && PATH="$(CROSS_PREFIX)/bin:$(PATH)" make install
+	cd $(basename $(basename downloads/$(notdir $(MPC_ARCHIVE)))) && PATH="$(CROSS_PREFIX)/bin:$(PATH)" ./configure --host=ppc-amigaos --prefix=$(CROSS_PREFIX) --with-gmp=$(CROSS_PREFIX) --with-mpfr=$(CROSS_PREFIX) && PATH="$(CROSS_PREFIX)/bin:$(PATH)" make install
+	touch $@
+
+#
+# Build the native binutils
+#
+binutils-native-done-$(BINUTILS_VERSION): libraries-done
+	PATH="$(CROSS_PREFIX)/bin:$(PATH)" $(MAKE) -C ../binutils-build native \
+			SRC_DIR=$(BINUTILS_SRC_DIR) \
+			PREFIX=/gcc \
+			NATIVE_BUILD_DIR=$(ROOT_DIR)/binutils-native-build-$(BINUTILS_VERSION)
+	touch $@
+
+#
+# Build the native gcc
+#
+gcc-native-done-$(GCC_VERSION): binutils-native-done-$(BINUTILS_VERSION)
+	mkdir -p $(ROOT_DIR)/root-native/gcc/include
+	mkdir -p /gcc/include
+	PATH="$(CROSS_PREFIX)/bin:$(PATH)" $(MAKE) -C ../gcc-build native \
+			SRC_DIR=$(GCC_SRC_DIR) \
+			PREFIX=/gcc \
+			NATIVE_BUILD_DIR=$(ROOT_DIR)/gcc-native-build-$(GCC_VERSION) \
+			VERSION=$(GCC_VERSION) \
+			LIB_PATH=$(CROSS_PREFIX) \
+			NATIVE_SYS_ROOT=$(ROOT_DIR)/root-native
+	touch $@
+
+ifeq ($(CROSS_IS_PRESENT),1)
+coreutils-native-done:
+else
+coreutils-native-done: gcc-cross-done-$(GCC_VERSION)
+endif
+	mkdir -p coreutils-native-build
+	@if [ ! -f $(COREUTILS_SRC_DIR)/configure ]; then echo "Please checkout coreutils first!"; false; fi
+# Pretend few files to be uptodate
+	touch $(realpath $(COREUTILS_SRC_DIR))/configure $(realpath $(COREUTILS_SRC_DIR))/config.hin
+#	cd coreutils-native-build ; PATH="$(CROSS_PREFIX)/bin:$(PATH)" LIBS="-lunix" $(realpath $(COREUTILS_SRC_DIR))/configure --prefix=/gcc --host=ppc-amigaos
+	cd coreutils-native-build ; PATH="$(CROSS_PREFIX)/bin:$(PATH)" CPPFLAGS="-mcrt=clib2" LDFLAGS="-mcrt=clib2" LIBS="-lunix -lnet" $(realpath $(COREUTILS_SRC_DIR))/configure --prefix=/gcc --host=ppc-amigaos --disable-maintainer-mode
+	PATH="$(CROSS_PREFIX)/bin:$(PATH)" $(MAKE) -C coreutils-native-build
+	touch $@
+
+
+GCC_BASE_BRANCH_NAME=$(GCC_BRANCH_NAME)-base
+#
+# Build the main docs
+#
+.PHONY: doc
+doc:
+	rm -Rf $@
+	mkdir -p $@/tmp/orig
+	mkdir -p $@/tmp/patched
+
+	echo "@set version-GCC $(GCC_VERSION)-adtools" >$@/tmp/orig/gcc-vers.texi
+	echo "@set srcdir $(ROOT_DIR)/$(GCC_BASE_BRANCH_NAME)/gcc" >>$@/tmp/orig/gcc-vers.texi
+	echo "@set BUGURL https://github.com/sba1/adtools/issues" >>$@/tmp/orig/gcc-vers.texi
+
+	echo "@set version-GCC $(GCC_VERSION)-adtools" >$@/tmp/patched/gcc-vers.texi
+	echo "@set srcdir $(GCC_SRC_DIR)/gcc" >>$@/tmp/patched/gcc-vers.texi
+	echo "@set BUGURL https://github.com/sba1/adtools/issues" >>$@/tmp/patched/gcc-vers.texi
+
+	# Checkout base branch as worktree
+	cd $(GCC_SRC_DIR) && git worktree add -f $(ROOT_DIR)/$(GCC_BASE_BRANCH_NAME) $(GCC_BASE_BRANCH_NAME) || true
+	cd $(ROOT_DIR)/$(GCC_BASE_BRANCH_NAME) && git checkout --detach $(GCC_BASE_BRANCH_NAME)
+
+	makeinfo --plaintext -I $(GCC_BASE_BRANCH_NAME)/gcc/doc -I $(GCC_BASE_BRANCH_NAME)/gcc/doc/include -I $@/tmp/orig -o $@/tmp/orig/gcc.txt $(GCC_BASE_BRANCH_NAME)/gcc/doc/gcc.texi
+	makeinfo --plaintext -I $(GCC_BASE_BRANCH_NAME)/gcc/doc -I $(GCC_BASE_BRANCH_NAME)/gcc/doc/include -I $@/tmp/orig -o $@/tmp/orig/cpp.txt $(GCC_BASE_BRANCH_NAME)/gcc/doc/cpp.texi
+
+	makeinfo --plaintext -I $(GCC_SRC_DIR)/gcc/doc -I $(GCC_SRC_DIR)/gcc/doc/include -I $@/tmp/patched -o $@/tmp/patched/gcc.txt $(GCC_SRC_DIR)/gcc/doc/gcc.texi
+	makeinfo --plaintext -I $(GCC_SRC_DIR)/gcc/doc -I $(GCC_SRC_DIR)/gcc/doc/include -I $@/tmp/patched -o $@/tmp/patched/cpp.txt $(GCC_SRC_DIR)/gcc/doc/cpp.texi
+
+	cd $@/tmp && bash -c "wdiff -n -w $$'\033[30;41m' -x $$'\033[0m' -y $$'\033[30;42m' -z $$'\033[0m' orig/gcc.txt patched/gcc.txt >../gcc.txt" || true
+	cd $@/tmp && bash -c "wdiff -n -w $$'\033[30;41m' -x $$'\033[0m' -y $$'\033[30;42m' -z $$'\033[0m' orig/cpp.txt patched/cpp.txt >../cpp.txt" || true
+
+	rm -Rf $@/tmp
+#
+# Target for generating the ReadMe used for Aminet
+#
+ReadMe: ReadMe.mak
+	python -c "\
+	from mako.template import Template;\
+	from mako.lookup import TemplateLookup;\
+	print Template(\
+		filename='$<',\
+		input_encoding='utf-8',\
+		output_encoding='utf-8',\
+		lookup=TemplateLookup(['./'],input_encoding='utf-8')).render(\
+			DIST_VERSION='$(DIST_VERSION)',\
+			ADTOOLS_COMMIT_SHA1='$(shell git rev-list HEAD -1)',\
+			BINUTILS_VERSION='$(BINUTILS_VERSION)',\
+			GCC_VERSION='$(GCC_VERSION)',\
+			GCC_DEV_PHASE='$(GCC_DEV_PHASE)',\
+			COREUTILS_VERSION='$(COREUTILS_VERSION)',\
+			CLIB2_RELEASE_ARCHIVE_NAME='$(CLIB2_RELEASE_ARCHIVE_NAME)'\
+		)\
+	" >$@.utf8
+	iconv --from-code=UTF8 --to-code=ISO-8859-15 $@.utf8 >$@
+
+# Function to make a file whose name is prefixed by the target alias
+# but which is the same as the given one.
+#
+# We use cp here until we know that softlinks would work properly.
+define MAKE_TARGET_ALIAS
+	cp /gcc/bin/$(1) /gcc/bin/ppc-amigaos-$(1)
+endef
+
+# A simple macro for inserting a newline
+define NL
+
+
+endef
+
+#
+# Lists all executable files that are produced by the binutils steps
+# and that also should be reachable via a target alias prefix.
+#
+BINUTILS_EXES = \
+	addr2line \
+	ar \
+	as \
+	c++filt \
+	elfedit \
+	gprof \
+	ld \
+	ld.bfd \
+	nm \
+	objcopy \
+	objdump \
+	ranlib \
+	readelf \
+	size \
+	strings \
+	strip
+
+#
+# Install native compiler into /gcc. Needs write access to this directory
+#
+native-install: coreutils-native-done gcc-native-done-$(GCC_VERSION) ReadMe doc
+	rm -Rf /gcc/*
+	PATH="$(CROSS_PREFIX)/bin:$(PATH)" $(MAKE) -C binutils-native-build-$(BINUTILS_VERSION) install
+# Create copies of few files that usually are also accessible via a filename with the target alias prefix
+	$(foreach EXE, $(BINUTILS_EXES), $(call MAKE_TARGET_ALIAS,$(EXE))$(NL))
+	PATH="$(CROSS_PREFIX)/bin:$(PATH)" $(MAKE) -C gcc-native-build-$(GCC_VERSION) install
+	PATH="$(CROSS_PREFIX)/bin:$(PATH)" $(MAKE) -C coreutils-native-build install
+# Disabled SDK as we don't want to distribute it
+#	cp -R $(CROSS_PREFIX)/ppc-amigaos/SDK /gcc
+# Disabled, because we don't want to copy from CROSS_PREFIX here
+#	cp -Rf $(CROSS_PREFIX)/lib/gcc/ppc-amigaos /gcc/lib/gcc/
+	# Delete all but our target gcc libs
+	find /gcc/lib/gcc/ppc-amigaos -mindepth 1 -maxdepth 1 -not -name $(GCC_VERSION) | xargs rm -Rf
+# Disabled, no longer required
+#	# Move lib archives (e.g., libgcc.a into the proper directory)
+#	cd /gcc/lib/gcc ; for lib in `find -name *.a -o -name *.so`; do mkdir -p `dirname $$lib`/lib; mv $$lib `dirname $$lib`/lib ; done
+	cp ReadMe /gcc
+	mkdir -p /gcc/doc
+	cp doc/* /gcc/doc
+
+#
+# Similar to native-install but deploys the components in separate directories
+#
+native-separate-install:
+	rm -Rf root-native-binutils
+	rm -Rf root-native-gcc
+	rm -Rf root-native-coreutils
+	PATH="$(CROSS_PREFIX)/bin:$(PATH)" $(MAKE) -C binutils-native-build-$(BINUTILS_VERSION) install DESTDIR=$(ROOT_DIR)/root-native-binutils
+	PATH="$(CROSS_PREFIX)/bin:$(PATH)" $(MAKE) -C gcc-native-build-$(GCC_VERSION) install DESTDIR=$(ROOT_DIR)/root-native-gcc
+	PATH="$(CROSS_PREFIX)/bin:$(PATH)" $(MAKE) -C coreutils-native-build install DESTDIR=$(ROOT_DIR)/root-native-coreutils
+	$(MAKE) private-native-separate-dist
+
+# Private target. Unfinished
+private-native-separate-dist:
+	$(foreach var,$(wildcard $(ROOT_DIR)/root-native-coreutils/gcc/bin/*), $(STRIP) $(STRIPFLAGS) $(var) ; ) true
+	$(foreach var,$(wildcard $(ROOT_DIR)/root-native-binutils/gcc/bin/*), $(STRIP) $(STRIPFLAGS) $(var) ; ) true
+	$(foreach var,$(wildcard $(ROOT_DIR)/root-native-gcc/gcc/bin/*), $(STRIP) $(STRIPFLAGS) $(var) ; ) true
+	$(STRIP) $(STRIPFLAGS) $(ROOT_DIR)/root-native-gcc/gcc/libexec/gcc/ppc-amigaos/$(GCC_VERSION)/cc1
+	$(STRIP) $(STRIPFLAGS) $(ROOT_DIR)/root-native-gcc/gcc/libexec/gcc/ppc-amigaos/$(GCC_VERSION)/cc1plus
+	$(STRIP) $(STRIPFLAGS) $(ROOT_DIR)/root-native-gcc/gcc/libexec/gcc/ppc-amigaos/$(GCC_VERSION)/lto1
+	$(STRIP) $(STRIPFLAGS) $(ROOT_DIR)/root-native-gcc/gcc/libexec/gcc/ppc-amigaos/$(GCC_VERSION)/lto-wrapper
+	rm -Rf dist
+	mkdir -p dist/coreutils-$(COREUTILS_VERSION)-$(DIST_VERSION)
+
+#
+# Strip native files
+#
+native-strip:
+# Invoke make recursively with another target so that $(wildcard) is properly resolved.
+	$(MAKE) native-strip-really
+
+native-strip-really:
+	$(foreach var,$(wildcard /gcc/bin/*), $(STRIP) --strip-all --strip-unneeded-rel-relocs $(var) ; ) true
+	$(STRIP) $(STRIPFLAGS) /gcc/libexec/gcc/ppc-amigaos/$(GCC_VERSION)/cc1
+	$(STRIP) $(STRIPFLAGS) /gcc/libexec/gcc/ppc-amigaos/$(GCC_VERSION)/cc1plus
+	$(STRIP) $(STRIPFLAGS) /gcc/libexec/gcc/ppc-amigaos/$(GCC_VERSION)/lto1
+	$(STRIP) $(STRIPFLAGS) /gcc/libexec/gcc/ppc-amigaos/$(GCC_VERSION)/lto-wrapper
+
+#
+# Native distribution archive
+#
+DIST_FOLDER:=adtools-os4-$(GCC_BRANCH_NAME)-$(DIST_VERSION)
+
+native-dist: native-strip-really
+	rm -f $(realpath .)/$(DIST_FOLDER).lha
+	rm -Rf /tmp/$(DIST_FOLDER)
+	mkdir /tmp/$(DIST_FOLDER)
+	cp -pR /gcc/* /tmp/$(DIST_FOLDER)
+
+	# Deduplicate
+	../bin/dedup /tmp/$(DIST_FOLDER) >.dedup
+	echo "; Create alternative filenames" >/tmp/$(DIST_FOLDER)/RestoreLinks
+	../bin/dedup /tmp/$(DIST_FOLDER) --amigaos --folder-is-pwd >>/tmp/$(DIST_FOLDER)/RestoreLinks
+# Disbaled until we find a way to keep softlinks via lha
+#	sh -x .dedup
+#	rm .dedup
+
+	cd /tmp && lha ao5 $(realpath .)/$(DIST_FOLDER).lha $(DIST_FOLDER)/*
+
+#
+# Clib2 distribution
+#
+clib2-dist: clib2-cross-done-$(GCC_VERSION)
+	cd root-cross/ppc-amigaos/SDK && lha ao5 $(realpath .)/$(CLIB2_RELEASE_ARCHIVE_NAME) clib2
+
+#
+# Upload the binary archive to the main Aminet server
+#
+.PHONY: upload-release
+upload-release: native-dist
+	ln -s $(DIST_FOLDER).lha adtools-$(GCC_BRANCH_NAME)-os4.lha
+	lftp -e "put adtools-$(GCC_BRANCH_NAME)-os4.lha && put ReadMe -o adtools-$(GCC_BRANCH_NAME)-os4.readme && quit" ftp://main.aminet.net/new
+
+#
+# Cleanup clib2
+#
+
+.PHONY: clean-clib2
+clean-clib2:
+	$(MAKE) -C $(CLIB2_DIR) -f GNUmakefile.os4 clean
+
+#
+# Cleanup gcc only
+#
+
+.PHONY: clean-gcc
+clean-gcc:
+	rm -Rf \
+		xgcc-done-$(GCC_VERSION) \
+		gcc-cross-build-$(GCC_VERSION) \
+		gcc-cross-done-$(GCC_VERSION) \
+		gcc-native-build-$(GCC_VERSION) \
+		gcc-native-done-$(GCC_VERSION)
+
+#
+# Cleanup everything
+#
+.PHONY: clean
+clean: clean-clib2 clean-gcc
+	rm -Rf	\
+		binutils-cross-build-$(BINUTILS_VERSION) \
+		binutils-native-build-$(BINUTILS_VERSION) \
+		$(CROSS_PREFIX) \
+		build-cross-done \
+		binutils-cross-build-done-$(BINUTILS_VERSION) \
+		binutils-cross-done-$(BINUTILS_VERSION) \
+		binutils-native-done-$(BINUTILS_VERSION) \
+		clib2-cross-done-$(GCC_VERSION) \
+		includes-done \
+		libraries-done \
+		root-native \
+		coreutils-native-build \
+		coreutils-native-done
+
+#
+# Cleanup really everything
+#
+.PNONY: clean-all
+clean-all: clean
+	rm -Rf downloads-done downloads-done-clib2 downloads
diff --git a/files/native-build/makefile-SDK53.34 b/files/native-build/makefile-SDK53.34
new file mode 100644
index 0000000..7a6a7b7
--- /dev/null
+++ b/files/native-build/makefile-SDK53.34
@@ -0,0 +1,513 @@
+#
+# This makefile drives the native build done on a non-native system, i.e.,
+# before building the native compiler, a cross compiler will be build.
+# We then build the native compiler using the freshly-built cross
+# compiler.
+#
+# The user running this script must have write access to /gcc
+#
+# Define CROSS_IS_PRESENT=1 if a suitable cross compiler is already
+# present, in which case the cross compiler build is skipped, e.g.:
+#
+#  make CROSS_IS_PRESENT=1
+#
+
+ROOT_DIR=$(realpath .)
+
+# Compiler setup, utilize ccache if available
+CCACHE:=$(shell which ccache)
+HOST_GCC:=$(strip $(CCACHE) gcc)
+HOST_GXX:=$(strip $(CCACHE) g++)
+
+GNU_SERVER=http://ftp.gnu.org/gnu
+# GNU_SERVER=http://ftp.vim.org/ftp/gnu 
+
+GMP_ARCHIVE=gmp-5.1.3.tar.bz2
+MPFR_ARCHIVE=mpfr-3.1.6.tar.bz2
+MPC_ARCHIVE=mpc-1.0.3.tar.gz
+
+BINUTILS_VERSION=2.23.2
+BINUTILS_SRC_DIR=../binutils/repo
+
+GCC_SRC_DIR=../gcc/repo
+GCC_VERSION:=$(shell cat $(GCC_SRC_DIR)/gcc/BASE-VER)
+GCC_DEV_PHASE:=$(shell cat ${GCC_SRC_DIR}/gcc/DEV-PHASE)
+
+ifneq ($(GCC_DEV_PHASE),)
+GCC_DEV_PHASE:= ($(GCC_DEV_PHASE))
+endif
+
+GCC_BRANCH_NAME:=$(word 1, $(subst ., , $(GCC_VERSION)))
+
+SDK_URL=https://www.hyperion-entertainment.biz/index.php?option=com_registration&amp;view=download&amp;format=raw&amp;file=125&amp;Itemid=125
+SDK_VERSION=53.34
+
+# Native tools
+COREUTILS_SRC_DIR=../coreutils/repo
+COREUTILS_VERSION=5.2.1
+
+# Distribution version, used as middle part of a distribution archive
+DIST_VERSION=$(shell date +%Y%m%d)-$(shell git rev-list --count HEAD)
+
+CLIB2_URL=https://github.com/sodero/clib2
+CLIB2_SHA1=18ff2b535a59fff8aa5237c08fe32551cb0bfe45
+# CLIB2_URL=https://github.com/sba1/clib2-1
+# CLIB2_SHA1=b874ff71deb55016a20f87483beb1ecbe226c55e
+CLIB2_RELEASE_ARCHIVE_NAME=adtools-os4-clib2-$(DIST_VERSION).lha
+
+CROSS_PREFIX?=$(ROOT_DIR)/root-cross
+# This assumes that cross prefix is absolute
+DESTDIR?=
+
+STRIP=$(CROSS_PREFIX)/bin/ppc-amigaos-strip
+STRIPFLAGS=--strip-all --strip-unneeded-rel-relocs -R.comment
+
+all: gcc-native-done-$(GCC_VERSION)
+
+#
+# Print the dist version that is used as suffix for various
+# suffixes.
+#
+.PHONY: print-dist-version
+print-dist-version:
+	@echo $(DIST_VERSION)
+
+#
+# Downloads clib2
+#
+downloads-done-clib2:
+	mkdir -p downloads
+	cd downloads && (git clone $(CLIB2_URL) clib2 || true) && cd clib2 && git checkout $(CLIB2_SHA1)
+	touch $@
+
+#
+# Downloads the SDK and libraries necesseary to build the cross compiler
+#
+downloads-done: downloads-done-clib2
+	wget "$(SDK_URL)" -O downloads/SDK_$(SDK_VERSION).lha
+	cd downloads && wget -N $(GNU_SERVER)/gmp/$(GMP_ARCHIVE)
+	cd downloads && wget -N $(GNU_SERVER)/mpfr/$(MPFR_ARCHIVE)
+	cd downloads && wget -N $(GNU_SERVER)/mpc/$(MPC_ARCHIVE)
+	touch $@
+
+#
+# Builds the cross binutils package (assembler, etc).
+#
+binutils-cross-build-done-$(BINUTILS_VERSION):
+	$(MAKE) -C ../binutils-build SRC_DIR=$(BINUTILS_SRC_DIR) PREFIX=$(CROSS_PREFIX) CROSS_BUILD_DIR=$(ROOT_DIR)/binutils-cross-build-$(BINUTILS_VERSION)
+	touch $@
+
+.PHONY: binutils-build
+binutils-build: binutils-cross-build-done-$(BINUTILS_VERSION)
+
+#
+# Installs the cross binutils package (assembler, etc).
+#
+binutils-cross-done-$(BINUTILS_VERSION): binutils-cross-build-done-$(BINUTILS_VERSION)
+	$(MAKE) -C $(ROOT_DIR)/binutils-cross-build-$(BINUTILS_VERSION) install DESTDIR=$(DESTDIR)
+	touch $@
+
+.PHONY: binutils-install
+binutils-install: binutils-cross-done-$(BINUTILS_VERSION)
+
+#
+# Prepares the includes
+#
+includes-done: downloads-done
+	mkdir -p $(CROSS_PREFIX)/ppc-amigaos/SDK/include
+	cd downloads && lha x SDK_$(SDK_VERSION).lha
+# We built clib2 inplace
+#	cd downloads/SDK_Install && lha xf clib2*.lha
+	cd downloads/SDK_Install && lha xf newlib*.lha
+	cd downloads/SDK_Install && lha xf base.lha
+	cd downloads/SDK_Install && rm -Rf *.lha
+	cd downloads/SDK_Install && mv newlib* $(CROSS_PREFIX)/ppc-amigaos/SDK
+#	cd downloads/SDK_Install && mv clib2* $(CROSS_PREFIX)/ppc-amigaos/SDK
+	cd downloads/SDK_Install && mv Include/* $(CROSS_PREFIX)/ppc-amigaos/SDK/include
+# Copying the latest execsg private sdk header files
+	cp -r /tmp/execsg_private_sdk/SDK/Include/* $(CROSS_PREFIX)/ppc-amigaos/SDK/include/
+	rm -Rf downloads/SDK_Install downloads/SDK_Install.info
+	touch $@
+
+#
+# Path to the initial cross compiler or standard
+# cross compiler if a cross compiler is present
+#
+
+ifeq ($(CROSS_IS_PRESENT),1)
+
+XGCC=ppc-amigaos-gcc
+XGCC_CC=ppc-amigaos-gcc
+XAR=ppc-amigaos-ar -q
+XRANLIB=ppc-amigaos-ranlib
+
+CLIB2_CROSS_DONE_DEPENDENCY=downloads-done-clib2
+
+else
+
+XGCC_DIR=$(abspath .)/gcc-cross-build-$(GCC_VERSION)/gcc
+XGCC=$(XGCC_DIR)/xgcc
+XGCC_CC=$(XGCC) -B $(XGCC_DIR)
+XAR=$(CROSS_PREFIX)/bin/ppc-amigaos-ar -q
+XRANLIB=$(CROSS_PREFIX)/bin/ppc-amigaos-ranlib
+
+CLIB2_CROSS_DONE_DEPENDENCY=xgcc-done-$(GCC_VERSION)
+
+endif
+
+CLIB2_DIR=downloads/clib2/library
+
+#
+# Prints the folder where the basic xg (xgcc or xg++) compilers
+# can be round.
+#
+.PHONY: print-xg-dir
+print-xg-dir:
+	@echo $(XGCC_DIR)
+
+#
+# Build only xgcc, no other stuff like libstdc++ etc.
+#
+xgcc-done-$(GCC_VERSION): includes-done binutils-cross-done-$(BINUTILS_VERSION)
+	CC="$(HOST_GCC)" CXX="$(HOST_GXX)" $(MAKE) -C ../gcc-build cross-configure \
+		SRC_DIR=$(GCC_SRC_DIR) \
+		PREFIX=$(CROSS_PREFIX) \
+		CROSS_BUILD_DIR=$(ROOT_DIR)/gcc-cross-build-$(GCC_VERSION) \
+		VERSION=$(GCC_VERSION)
+	$(MAKE) -C $(ROOT_DIR)/gcc-cross-build-$(GCC_VERSION) all-gcc
+	touch $@
+
+#
+# Build clib2 via xgcc
+#
+clib2-cross-done-$(GCC_VERSION): $(CLIB2_CROSS_DONE_DEPENDENCY)
+# Build clib2 using xgcc that have just been built
+	$(MAKE) -C $(CLIB2_DIR) -f GNUmakefile.os4 CC="$(XGCC_CC)" AR="$(XAR)" RANLIB="$(XRANLIB)"
+# Copy clib2 libs and includes
+	rm -Rf $(CROSS_PREFIX)/ppc-amigaos/SDK/clib2/lib $(CROSS_PREFIX)/ppc-amigaos/SDK/clib2/include
+	mkdir -p $(CROSS_PREFIX)/ppc-amigaos/SDK/clib2/lib
+	mkdir -p $(CROSS_PREFIX)/ppc-amigaos/SDK/clib2/include
+	cp -Rp $(CLIB2_DIR)/include/* $(CROSS_PREFIX)/ppc-amigaos/SDK/clib2/include
+	cp -Rp $(CLIB2_DIR)/lib/* $(CROSS_PREFIX)/ppc-amigaos/SDK/clib2/lib
+	cp $(CLIB2_DIR)/../LICENSE $(CROSS_PREFIX)/ppc-amigaos/SDK/clib2
+	touch $@
+
+#
+# Build the cross compiler
+#
+gcc-cross-done-$(GCC_VERSION): clib2-cross-done-$(GCC_VERSION)
+# Compile remaining
+	$(MAKE) -C $(ROOT_DIR)/gcc-cross-build-$(GCC_VERSION)
+	$(MAKE) -C $(ROOT_DIR)/gcc-cross-build-$(GCC_VERSION) install
+	touch $@
+
+.PHONY: gcc-cross
+gcc-cross: gcc-cross-done-$(GCC_VERSION)
+
+#
+# Optional target for additional libs
+#
+.PHONY: additionals-libs
+additionals-libs:
+	mkdir -p $(CROSS_PREFIX)/ppc-amigaos/SDK/local/common/include
+	mkdir -p /tmp/abcd
+	cd downloads && lha xw=/tmp/abcd SDK_$(SDK_VERSION).lha
+	cd /tmp/abcd/SDK_Install && lha x pthread.lha && lha x zlib-1.2.3.lha
+	cp -Rf /tmp/abcd/SDK_Install/Local/* $(CROSS_PREFIX)/ppc-amigaos/SDK/local
+	rm -Rf /tmp/abcd
+
+
+ifeq ($(CROSS_IS_PRESENT),1)
+NATIVE_LIBRARY_DEPENDENCIES=downloads-done
+else
+NATIVE_LIBRARY_DEPENDENCIES=gcc-cross-done-$(GCC_VERSION)
+endif
+
+#
+# Build and install the libraries
+#
+libraries-done: $(NATIVE_LIBRARY_DEPENDENCIES)
+	cd downloads && tar -xjf $(notdir $(GMP_ARCHIVE))
+	cd downloads && tar -xjf $(notdir $(MPFR_ARCHIVE))
+	cd downloads && tar -xzf $(notdir $(MPC_ARCHIVE))
+	cd $(basename $(basename downloads/$(notdir $(GMP_ARCHIVE)))) && PATH="$(CROSS_PREFIX)/bin:$(PATH)" ./configure --host=ppc-amigaos --prefix=$(CROSS_PREFIX) && PATH="$(CROSS_PREFIX)/bin:$(PATH)" make install
+	cd $(basename $(basename downloads/$(notdir $(MPFR_ARCHIVE)))) && PATH="$(CROSS_PREFIX)/bin:$(PATH)" ./configure --host=ppc-amigaos --prefix=$(CROSS_PREFIX) -with-gmp=$(CROSS_PREFIX) && PATH="$(CROSS_PREFIX)/bin:$(PATH)" make install
+	cd $(basename $(basename downloads/$(notdir $(MPC_ARCHIVE)))) && PATH="$(CROSS_PREFIX)/bin:$(PATH)" ./configure --host=ppc-amigaos --prefix=$(CROSS_PREFIX) --with-gmp=$(CROSS_PREFIX) --with-mpfr=$(CROSS_PREFIX) && PATH="$(CROSS_PREFIX)/bin:$(PATH)" make install
+	touch $@
+
+#
+# Build the native binutils
+#
+binutils-native-done-$(BINUTILS_VERSION): libraries-done
+	PATH="$(CROSS_PREFIX)/bin:$(PATH)" $(MAKE) -C ../binutils-build native \
+			SRC_DIR=$(BINUTILS_SRC_DIR) \
+			PREFIX=/gcc \
+			NATIVE_BUILD_DIR=$(ROOT_DIR)/binutils-native-build-$(BINUTILS_VERSION)
+	touch $@
+
+#
+# Build the native gcc
+#
+gcc-native-done-$(GCC_VERSION): binutils-native-done-$(BINUTILS_VERSION)
+	mkdir -p $(ROOT_DIR)/root-native/gcc/include
+	mkdir -p /gcc/include
+	PATH="$(CROSS_PREFIX)/bin:$(PATH)" $(MAKE) -C ../gcc-build native \
+			SRC_DIR=$(GCC_SRC_DIR) \
+			PREFIX=/gcc \
+			NATIVE_BUILD_DIR=$(ROOT_DIR)/gcc-native-build-$(GCC_VERSION) \
+			VERSION=$(GCC_VERSION) \
+			LIB_PATH=$(CROSS_PREFIX) \
+			NATIVE_SYS_ROOT=$(ROOT_DIR)/root-native
+	touch $@
+
+ifeq ($(CROSS_IS_PRESENT),1)
+coreutils-native-done:
+else
+coreutils-native-done: gcc-cross-done-$(GCC_VERSION)
+endif
+	mkdir -p coreutils-native-build
+	@if [ ! -f $(COREUTILS_SRC_DIR)/configure ]; then echo "Please checkout coreutils first!"; false; fi
+# Pretend few files to be uptodate
+	touch $(realpath $(COREUTILS_SRC_DIR))/configure $(realpath $(COREUTILS_SRC_DIR))/config.hin
+#	cd coreutils-native-build ; PATH="$(CROSS_PREFIX)/bin:$(PATH)" LIBS="-lunix" $(realpath $(COREUTILS_SRC_DIR))/configure --prefix=/gcc --host=ppc-amigaos
+	cd coreutils-native-build ; PATH="$(CROSS_PREFIX)/bin:$(PATH)" CPPFLAGS="-mcrt=clib2" LDFLAGS="-mcrt=clib2" LIBS="-lunix -lnet" $(realpath $(COREUTILS_SRC_DIR))/configure --prefix=/gcc --host=ppc-amigaos --disable-maintainer-mode
+	PATH="$(CROSS_PREFIX)/bin:$(PATH)" $(MAKE) -C coreutils-native-build
+	touch $@
+
+
+GCC_BASE_BRANCH_NAME=$(GCC_BRANCH_NAME)-base
+#
+# Build the main docs
+#
+.PHONY: doc
+doc:
+	rm -Rf $@
+	mkdir -p $@/tmp/orig
+	mkdir -p $@/tmp/patched
+
+	echo "@set version-GCC $(GCC_VERSION)-adtools" >$@/tmp/orig/gcc-vers.texi
+	echo "@set srcdir $(ROOT_DIR)/$(GCC_BASE_BRANCH_NAME)/gcc" >>$@/tmp/orig/gcc-vers.texi
+	echo "@set BUGURL https://github.com/sba1/adtools/issues" >>$@/tmp/orig/gcc-vers.texi
+
+	echo "@set version-GCC $(GCC_VERSION)-adtools" >$@/tmp/patched/gcc-vers.texi
+	echo "@set srcdir $(GCC_SRC_DIR)/gcc" >>$@/tmp/patched/gcc-vers.texi
+	echo "@set BUGURL https://github.com/sba1/adtools/issues" >>$@/tmp/patched/gcc-vers.texi
+
+	# Checkout base branch as worktree
+	cd $(GCC_SRC_DIR) && git worktree add -f $(ROOT_DIR)/$(GCC_BASE_BRANCH_NAME) $(GCC_BASE_BRANCH_NAME) || true
+	cd $(ROOT_DIR)/$(GCC_BASE_BRANCH_NAME) && git checkout --detach $(GCC_BASE_BRANCH_NAME)
+
+	makeinfo --plaintext -I $(GCC_BASE_BRANCH_NAME)/gcc/doc -I $(GCC_BASE_BRANCH_NAME)/gcc/doc/include -I $@/tmp/orig -o $@/tmp/orig/gcc.txt $(GCC_BASE_BRANCH_NAME)/gcc/doc/gcc.texi
+	makeinfo --plaintext -I $(GCC_BASE_BRANCH_NAME)/gcc/doc -I $(GCC_BASE_BRANCH_NAME)/gcc/doc/include -I $@/tmp/orig -o $@/tmp/orig/cpp.txt $(GCC_BASE_BRANCH_NAME)/gcc/doc/cpp.texi
+
+	makeinfo --plaintext -I $(GCC_SRC_DIR)/gcc/doc -I $(GCC_SRC_DIR)/gcc/doc/include -I $@/tmp/patched -o $@/tmp/patched/gcc.txt $(GCC_SRC_DIR)/gcc/doc/gcc.texi
+	makeinfo --plaintext -I $(GCC_SRC_DIR)/gcc/doc -I $(GCC_SRC_DIR)/gcc/doc/include -I $@/tmp/patched -o $@/tmp/patched/cpp.txt $(GCC_SRC_DIR)/gcc/doc/cpp.texi
+
+	cd $@/tmp && bash -c "wdiff -n -w $$'\033[30;41m' -x $$'\033[0m' -y $$'\033[30;42m' -z $$'\033[0m' orig/gcc.txt patched/gcc.txt >../gcc.txt" || true
+	cd $@/tmp && bash -c "wdiff -n -w $$'\033[30;41m' -x $$'\033[0m' -y $$'\033[30;42m' -z $$'\033[0m' orig/cpp.txt patched/cpp.txt >../cpp.txt" || true
+
+	rm -Rf $@/tmp
+#
+# Target for generating the ReadMe used for Aminet
+#
+ReadMe: ReadMe.mak
+	python -c "\
+	from mako.template import Template;\
+	from mako.lookup import TemplateLookup;\
+	print Template(\
+		filename='$<',\
+		input_encoding='utf-8',\
+		output_encoding='utf-8',\
+		lookup=TemplateLookup(['./'],input_encoding='utf-8')).render(\
+			DIST_VERSION='$(DIST_VERSION)',\
+			ADTOOLS_COMMIT_SHA1='$(shell git rev-list HEAD -1)',\
+			BINUTILS_VERSION='$(BINUTILS_VERSION)',\
+			GCC_VERSION='$(GCC_VERSION)',\
+			GCC_DEV_PHASE='$(GCC_DEV_PHASE)',\
+			COREUTILS_VERSION='$(COREUTILS_VERSION)',\
+			CLIB2_RELEASE_ARCHIVE_NAME='$(CLIB2_RELEASE_ARCHIVE_NAME)'\
+		)\
+	" >$@.utf8
+	iconv --from-code=UTF8 --to-code=ISO-8859-15 $@.utf8 >$@
+
+# Function to make a file whose name is prefixed by the target alias
+# but which is the same as the given one.
+#
+# We use cp here until we know that softlinks would work properly.
+define MAKE_TARGET_ALIAS
+	cp /gcc/bin/$(1) /gcc/bin/ppc-amigaos-$(1)
+endef
+
+# A simple macro for inserting a newline
+define NL
+
+
+endef
+
+#
+# Lists all executable files that are produced by the binutils steps
+# and that also should be reachable via a target alias prefix.
+#
+BINUTILS_EXES = \
+	addr2line \
+	ar \
+	as \
+	c++filt \
+	elfedit \
+	gprof \
+	ld \
+	ld.bfd \
+	nm \
+	objcopy \
+	objdump \
+	ranlib \
+	readelf \
+	size \
+	strings \
+	strip
+
+#
+# Install native compiler into /gcc. Needs write access to this directory
+#
+native-install: coreutils-native-done gcc-native-done-$(GCC_VERSION) ReadMe doc
+	rm -Rf /gcc/*
+	PATH="$(CROSS_PREFIX)/bin:$(PATH)" $(MAKE) -C binutils-native-build-$(BINUTILS_VERSION) install
+# Create copies of few files that usually are also accessible via a filename with the target alias prefix
+	$(foreach EXE, $(BINUTILS_EXES), $(call MAKE_TARGET_ALIAS,$(EXE))$(NL))
+	PATH="$(CROSS_PREFIX)/bin:$(PATH)" $(MAKE) -C gcc-native-build-$(GCC_VERSION) install
+	PATH="$(CROSS_PREFIX)/bin:$(PATH)" $(MAKE) -C coreutils-native-build install
+# Disabled SDK as we don't want to distribute it
+#	cp -R $(CROSS_PREFIX)/ppc-amigaos/SDK /gcc
+# Disabled, because we don't want to copy from CROSS_PREFIX here
+#	cp -Rf $(CROSS_PREFIX)/lib/gcc/ppc-amigaos /gcc/lib/gcc/
+	# Delete all but our target gcc libs
+	find /gcc/lib/gcc/ppc-amigaos -mindepth 1 -maxdepth 1 -not -name $(GCC_VERSION) | xargs rm -Rf
+# Disabled, no longer required
+#	# Move lib archives (e.g., libgcc.a into the proper directory)
+#	cd /gcc/lib/gcc ; for lib in `find -name *.a -o -name *.so`; do mkdir -p `dirname $$lib`/lib; mv $$lib `dirname $$lib`/lib ; done
+	cp ReadMe /gcc
+	mkdir -p /gcc/doc
+	cp doc/* /gcc/doc
+
+#
+# Similar to native-install but deploys the components in separate directories
+#
+native-separate-install:
+	rm -Rf root-native-binutils
+	rm -Rf root-native-gcc
+	rm -Rf root-native-coreutils
+	PATH="$(CROSS_PREFIX)/bin:$(PATH)" $(MAKE) -C binutils-native-build-$(BINUTILS_VERSION) install DESTDIR=$(ROOT_DIR)/root-native-binutils
+	PATH="$(CROSS_PREFIX)/bin:$(PATH)" $(MAKE) -C gcc-native-build-$(GCC_VERSION) install DESTDIR=$(ROOT_DIR)/root-native-gcc
+	PATH="$(CROSS_PREFIX)/bin:$(PATH)" $(MAKE) -C coreutils-native-build install DESTDIR=$(ROOT_DIR)/root-native-coreutils
+	$(MAKE) private-native-separate-dist
+
+# Private target. Unfinished
+private-native-separate-dist:
+	$(foreach var,$(wildcard $(ROOT_DIR)/root-native-coreutils/gcc/bin/*), $(STRIP) $(STRIPFLAGS) $(var) ; ) true
+	$(foreach var,$(wildcard $(ROOT_DIR)/root-native-binutils/gcc/bin/*), $(STRIP) $(STRIPFLAGS) $(var) ; ) true
+	$(foreach var,$(wildcard $(ROOT_DIR)/root-native-gcc/gcc/bin/*), $(STRIP) $(STRIPFLAGS) $(var) ; ) true
+	$(STRIP) $(STRIPFLAGS) $(ROOT_DIR)/root-native-gcc/gcc/libexec/gcc/ppc-amigaos/$(GCC_VERSION)/cc1
+	$(STRIP) $(STRIPFLAGS) $(ROOT_DIR)/root-native-gcc/gcc/libexec/gcc/ppc-amigaos/$(GCC_VERSION)/cc1plus
+	$(STRIP) $(STRIPFLAGS) $(ROOT_DIR)/root-native-gcc/gcc/libexec/gcc/ppc-amigaos/$(GCC_VERSION)/lto1
+	$(STRIP) $(STRIPFLAGS) $(ROOT_DIR)/root-native-gcc/gcc/libexec/gcc/ppc-amigaos/$(GCC_VERSION)/lto-wrapper
+	rm -Rf dist
+	mkdir -p dist/coreutils-$(COREUTILS_VERSION)-$(DIST_VERSION)
+
+#
+# Strip native files
+#
+native-strip:
+# Invoke make recursively with another target so that $(wildcard) is properly resolved.
+	$(MAKE) native-strip-really
+
+native-strip-really:
+	$(foreach var,$(wildcard /gcc/bin/*), $(STRIP) --strip-all --strip-unneeded-rel-relocs $(var) ; ) true
+	$(STRIP) $(STRIPFLAGS) /gcc/libexec/gcc/ppc-amigaos/$(GCC_VERSION)/cc1
+	$(STRIP) $(STRIPFLAGS) /gcc/libexec/gcc/ppc-amigaos/$(GCC_VERSION)/cc1plus
+	$(STRIP) $(STRIPFLAGS) /gcc/libexec/gcc/ppc-amigaos/$(GCC_VERSION)/lto1
+	$(STRIP) $(STRIPFLAGS) /gcc/libexec/gcc/ppc-amigaos/$(GCC_VERSION)/lto-wrapper
+
+#
+# Native distribution archive
+#
+DIST_FOLDER:=adtools-os4-$(GCC_BRANCH_NAME)-$(DIST_VERSION)
+
+native-dist: native-strip-really
+	rm -f $(realpath .)/$(DIST_FOLDER).lha
+	rm -Rf /tmp/$(DIST_FOLDER)
+	mkdir /tmp/$(DIST_FOLDER)
+	cp -pR /gcc/* /tmp/$(DIST_FOLDER)
+
+	# Deduplicate
+	../bin/dedup /tmp/$(DIST_FOLDER) >.dedup
+	echo "; Create alternative filenames" >/tmp/$(DIST_FOLDER)/RestoreLinks
+	../bin/dedup /tmp/$(DIST_FOLDER) --amigaos --folder-is-pwd >>/tmp/$(DIST_FOLDER)/RestoreLinks
+# Disbaled until we find a way to keep softlinks via lha
+#	sh -x .dedup
+#	rm .dedup
+
+	# cd /tmp && lha ao5 $(realpath .)/$(DIST_FOLDER).lha $(DIST_FOLDER)/*
+	cd /tmp && lha -aq2o6 $(realpath .)/$(DIST_FOLDER).lha $(DIST_FOLDER)/*
+
+#
+# Clib2 distribution
+#
+clib2-dist: clib2-cross-done-$(GCC_VERSION)
+	# cd root-cross/ppc-amigaos/SDK && lha ao5 $(realpath .)/$(CLIB2_RELEASE_ARCHIVE_NAME) clib2
+	cd root-cross/ppc-amigaos/SDK && lha -aq2o6 $(realpath .)/$(CLIB2_RELEASE_ARCHIVE_NAME) clib2
+
+#
+# Upload the binary archive to the main Aminet server
+#
+.PHONY: upload-release
+upload-release: native-dist
+	ln -s $(DIST_FOLDER).lha adtools-$(GCC_BRANCH_NAME)-os4.lha
+	lftp -e "put adtools-$(GCC_BRANCH_NAME)-os4.lha && put ReadMe -o adtools-$(GCC_BRANCH_NAME)-os4.readme && quit" ftp://main.aminet.net/new
+
+#
+# Cleanup clib2
+#
+
+.PHONY: clean-clib2
+clean-clib2:
+	test ! -d $(CLIB2_DIR) && true || $(MAKE) -C $(CLIB2_DIR) -f GNUmakefile.os4 clean
+
+#
+# Cleanup gcc only
+#
+
+.PHONY: clean-gcc
+clean-gcc:
+	rm -Rf \
+		xgcc-done-$(GCC_VERSION) \
+		gcc-cross-build-$(GCC_VERSION) \
+		gcc-cross-done-$(GCC_VERSION) \
+		gcc-native-build-$(GCC_VERSION) \
+		gcc-native-done-$(GCC_VERSION)
+
+#
+# Cleanup everything
+#
+.PHONY: clean
+clean: clean-clib2 clean-gcc
+	rm -Rf	\
+		binutils-cross-build-$(BINUTILS_VERSION) \
+		binutils-native-build-$(BINUTILS_VERSION) \
+		$(CROSS_PREFIX) \
+		build-cross-done \
+		binutils-cross-build-done-$(BINUTILS_VERSION) \
+		binutils-cross-done-$(BINUTILS_VERSION) \
+		binutils-native-done-$(BINUTILS_VERSION) \
+		clib2-cross-done-$(GCC_VERSION) \
+		includes-done \
+		libraries-done \
+		root-native \
+		coreutils-native-build \
+		coreutils-native-done
+
+#
+# Cleanup really everything
+#
+.PNONY: clean-all
+clean-all: clean
+	rm -Rf downloads-done downloads-done-clib2 downloads