beginning of foster transition for rewrite using new rex utility

Makefile

@@ -0,0 +1,117 @@
+.EXPORT_ALL_VARIABLES:
+.DEFAULT_GOAL := all
+SHELL := /bin/bash
+
+##
+# Load the config file
+##
+# circular dependency loading
+ifndef project_root
+
+%:
+	. ./project_config.sh $(MAKE) $@
+
+else 
+
+##
+# Target Definitions
+##
+prepare_environment:
+	sudo --preserve-env ${make_dir}/prepare_environment.sh
+
+# download the new source directory contents like LFS proper
+download_sources:
+	${make_dir}/download_sources.sh
+
+# download the patches from LFS
+# there is no clean here because i bundle fixed patches
+download_patches:
+	${make_dir}/download_patches.sh
+
+# verify the sources downloaded are intact
+verify_sources:
+	${make_dir}/verify_sources.sh
+
+# verify the patches downloaded are intact
+verify_patches:
+	${make_dir}/verify_patches.sh
+
+# builds a chroot
+# don't preserve env on execution of these, it hits the ARG_MAX limit in the kernel/limits.h
+build_stage1:
+	sudo /usr/bin/env -i bash -c ". ./project_config.sh && ${make_dir}/build_stage1.sh"
+
+# compiles temporary toolchain for new cross-compiler 
+build_stage2:
+	sudo /usr/bin/env -i bash -c ". ./project_config.sh && ${make_dir}/build_stage2.sh"
+
+# populates basic sysroot as a chroot
+build_stage3:
+	sudo /usr/bin/env -i bash -c ". ./project_config.sh && ${make_dir}/build_stage3.sh"
+
+# builds the rest of the system from inside the chroot
+build_stage4:
+	sudo /usr/bin/env -i bash -c ". ./project_config.sh && ${make_dir}/build_stage4.sh"
+
+
+# works around apparently some kind of nesting bug w/ Rex and file descriptors
+#hotfix_chroot_compiler:
+#	@sudo --preserve-env ${rex_dir}/components/x86_64/stage_1/libstdcxx_pass2.bash ${workspace}
+
+
+all:  build_stage1 hotfix_chroot_compiler build_stage2 
+	
+# enter the chroot after a stage1 build so we can play around 
+enter_chroot:
+	@sudo --preserve-env ${make_dir}/enter_chroot.sh ${workspace}
+
+# clean up artifacts between builds if desired
+clean:
+	sudo --preserve-env ${make_dir}/clean.sh $(shell whoami)
+
+# wipe the source directory	
+clean_sources:
+	sudo --preserve-env ${make_dir}/clean_sources.sh $(shell whoami)
+
+# wipe the patches directory
+clean_patches:
+	sudo --preserve-env ${make_dir}/clean_patches.sh $(shell whoami)
+
+download_rex:
+	${make_dir}/download_rex.sh 
+	
+compile_rex:
+	${make_dir}/compile_rex.sh
+	
+clean_logs:
+	${make_dir}/clean_logs.sh
+	
+distclean: clean clean_sources clean_patches
+
+make help:
+	${make_dir}/help.sh
+
+#instructions
+# 01. make distclean
+# 02. make download_rex
+# 03. make compile_rex
+# 04. make download_sources
+# 05. make verify_sources
+# 06. make download_patches
+# 07. make verify_patches
+# 08. make prepare_environment
+# 09. make build_stage1
+# 10. make hotfix_chroot_compiler
+# 11. make build_stage2
+# 12. make build_stage3
+
+# Stage 1 builds a cross-compiler and temporary tools.
+# Stage 2 uses that cross-compiler to build a chroot.
+# Stage 3 starts building the system from inside the chroot.
+# End conditional block.
+# Ubuntu LTS deps:
+#	git
+#	make
+#	cmake
+#	g++
+endif