diff --git a/.gitignore b/.gitignore
index 80170d9..9a55da2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 stage
 logs
+*.tgz
diff --git a/Makefile b/Makefile
index de0e82a..9ce3e32 100644
--- a/Makefile
+++ b/Makefile
@@ -89,6 +89,9 @@ build_stage4:
 	set -e
 	sudo /usr/bin/env -i bash -c ". ./project_config.sh && ${dir_make}/build_stage4.sh"
 
+master:
+	set -e
+	sudo /usr/bin/env -i bash -c ". ./project_config.sh && ${dir_make}/master.sh"
 
 # example:
 # 	make dirs
diff --git a/make.project/backup_create.sh b/make.project/backup_create.sh
index ede025b..dd5bb11 100755
--- a/make.project/backup_create.sh
+++ b/make.project/backup_create.sh
@@ -13,7 +13,7 @@ echo "Bootstrapping from MAKE to REX..."
 
 ${dir_localtools}/rex -v \
 	-c ${dir_rex}/x86_64/rex.config \
-	-p ${dir_rex}/x86_64/plans/stage4backup.plan
+	-p ${dir_rex}/x86_64/plans/backup.plan
 
 retVal=$?
 exit $retVal
diff --git a/make.project/master.sh b/make.project/master.sh
new file mode 100755
index 0000000..540d31c
--- /dev/null
+++ b/make.project/master.sh
@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+# fix an issue with open files limit on some hosts
+ulimit -l unlimited
+
+#ulimit -n 10240 
+ulimit -c unlimited
+
+
+# closely aligns with LFS Ch 5, 6
+T_SYSROOT=${dir_sysroot}
+
+project_root=/rex_embedded
+
+echo "Bootstrapping from MAKE to REX..."
+dir_rex=/rex_embedded/rex.project
+
+# Executes rex from within the chroot.
+/usr/sbin/chroot "${T_SYSROOT}" /usr/bin/env -i \
+	HOME="/" \
+	TERM="$TERM" \
+	COLORTERM=$COLORTERM \
+	PS1='\n(Dark Horse Linux) [ \u @ \H ] << \w >>\n\n[- ' \
+	PATH=/usr/bin:/usr/sbin \
+	project_root="${project_root}" \
+	dir_rex="${dir_rex}" \
+	dir_logs="/${project_root}/logs" \
+	/rex_embedded/stage/rex/rex -v -c ${dir_rex}/x86_64/rex.config -p ${dir_rex}/x86_64/plans/master.plan
+	
+retVal=$?
+echo "Rex exited with error code '$retVal'."
+exit $retVal
diff --git a/rex.project/x86_64/components/stage4backup/offer_backup.bash b/rex.project/x86_64/components/backup/offer_backup.bash
similarity index 100%
rename from rex.project/x86_64/components/stage4backup/offer_backup.bash
rename to rex.project/x86_64/components/backup/offer_backup.bash
diff --git a/rex.project/x86_64/components/master/welcome.bash b/rex.project/x86_64/components/master/welcome.bash
new file mode 100755
index 0000000..e00487e
--- /dev/null
+++ b/rex.project/x86_64/components/master/welcome.bash
@@ -0,0 +1,48 @@
+HORSE=$(cat <<'EOH'
+⠀⠀⠀⠀⠀⠀⢀⠀⠀⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠘⣦⡀⠘⣆⠈⠛⠻⣗⠶⣶⣤⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠈⣿⠀⠈⠳⠄⠀⠈⠙⠶⣍⡻⢿⣷⣦⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⣰⣿⣧⠀⠀⠀⠀⠀⠀⠀⠈⠻⣮⡹⣿⣿⣷⣦⣄⣀⠀⠀⢀⣸⠃⠀⣆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⢠⣿⡿⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠻⣮⢿⣿⣿⣿⣿⣿⣿⣿⠟⠀⢰⣿⣦⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⢀⣾⣿⠀⠀⠀⠀⠀⠀⠀⣷⠀⢷⠀⠀⠀⠙⢷⣿⣿⣿⣿⣟⣋⣀⣤⣴⣿⣿⣿⣧⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⢀⣼⢿⣿⡀⠀⠀⢀⣀⣴⣾⡟⠀⠈⣇⠀⠀⠀⠈⢻⡙⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⣼⡏⠸⣿⣿⣶⣾⣿⡿⠟⠋⠀⠀⠀⢹⡆⠀⠀⠀⠀⠹⡽⣿⣿⣿⣿⣿⣿⣿⣿⡿⠛⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⣰⣿⠀⠀⠀⣀⡿⠛⠉⠀⠀⢿⠀⠀⠀⠘⣿⡄⠀⠀⠀⠀⠑⢹⣿⣿⣿⣿⣿⣿⣿⣿⠇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⣿⣿⣷⣶⣾⠏⠀⠀⠀⠀⠀⠘⣇⠀⠀⠀⢻⡇⠀⠀⠀⠀⠀⠀⠹⣿⣿⣿⣿⣿⡿⠃⠀⣠⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠈⠙⠿⠿⠋⠀⠀⠀⠀⠀⠀⠀⣿⠀⠀⠀⢸⣷⠀⠀⠀⠀⠀⢀⠀⠹⣿⣿⣿⣿⣷⣶⣿⠟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⠀⠀⠀⢸⣿⠀⠀⠀⠀⢀⡞⠀⠀⠈⠛⠻⠿⠿⠯⠥⠤⢄⣀⣀⢀⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⣿⠀⠀⠀⢸⡇⠀⠀⠀⢀⡼⠃⠀⠀⠀⠀⠀⣄⠀⠀⠀⠀⠀⠀⠈⠙⠂⠙⠳⢤⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⠇⠀⠀⠀⡾⠁⠀⠀⣠⡿⠃⠀⠀⠀⠀⠀⠀⠸⣇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⢿⣦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣼⣿⠀⠀⠀⡸⠃⠀⢀⣴⠟⠁⠀⠀⠀⠀⠀⠀⠀⠀⣿⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⣷⣶⣶⣦⣤⣀⡀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢰⣿⠇⠀⠀⠀⠃⢀⣴⠟⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⣿⣿⣿⣿⣿⣿⣿⣶⣤⡀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⠏⠀⠀⠀⠀⣰⡟⠁⠀⠀⠀     ⠀⠀⠀⣼⡏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣧⠙⠻⣿⣿⣿⣿⣿⣿⣦⡀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣼⡏⠀⠀⢀⡖⢰⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣰⡟⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⠟⠀⠀⠀⢸⣿⠀⠀⠈⢿⣿⣿⣿⣿⣿⡿
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢿⡇⠀⠀⣼⠁⠼⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣴⠟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡴⠋⠀⠀⠀⠀⣼⡇⠀⠀⣠⣾⣿⣿⣿⣿⠟⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡄⠘⣇⠀⠀⢻⡄⢠⡄⠀⠀⠀⠀⠀⠀⠀⠀⢀⣤⡴⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⠟⠁⠀⠀⠀⢀⣼⠏⠀⣠⣾⣿⣿⡿⣿⡿⠁⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⢀⣾⠁⠀⠘⠂⠀⠀⢳⠀⢳⡀⠀⠀⠀⠀⠀⠀⢀⡼⠁⠀⠀⠀⠀⠀⠀⠀⠀⣀⣤⣾⣿⠃⠀⠀⠀⠀⣠⣾⠃⣠⣾⣿⣿⠿⠋⢰⡟⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⢠⣿⠃⠀⠀⠀⢀⣀⡴⠞⠙⠲⣷⡄⠀⠀⠀⠀⢠⡾⠁⠀⠀⠀⢀⣀⣠⣤⣶⠿⠟⠋⠀⡾⠀⠀⠀⢀⣴⠟⠁⢠⡟⢱⡿⠃⠀⠀⠸⣇⡀⠀⠀⠀
+⠀⠀⠀⠀⠀⢀⡴⠟⠁⠀⣀⡤⠖⠋⠁⠀⠀⠀⠀⣸⠇⠀⠀⠀⣤⠟⠑⠋⠉⣿⠋⠉⠉⠉⠁⣠⠞⠀⠀⠀⡇⠀⠀⢠⡿⠋⠀⠀⠈⠁⡿⠀⠀⠀⠀⠀⠀⠁⠀⠀⠀
+⠀⠀⠀⢀⣾⣏⣤⣶⡾⠛⠉⠀⠀⠀⠀⠀⠀⢀⡼⠃⠀⠀⣠⠞⠁⠀⠀⠀⠀⣿⠀⠀⠀⢀⡼⠃⠀⠀⠀⢸⠇⠀⣰⠟⠀⠀⠀⠀⠀⠐⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⢀⣿⣿⡿⠛⠁⠀⠀⠀⠀⠀⠀⠀⢀⣴⠏⠀⠀⣠⠞⠁⠀⠀⠀⠀⠀⠀⣿⠀⠀⢀⡾⠃⠀⠀⠀⢀⡞⠀⣼⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⣼⣿⡟⠁⠀⠀⠀⠀⠀⠀⠀⠀⢠⣾⣿⣶⣶⠟⠁⠀⠀⠀⠀⠀⠀⠀⠀⣿⠀⠀⣾⠇⠀⠀⠀⢀⣾⣣⣾⠇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⢠⣿⣿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⢻⣿⣿⣿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⠀⢠⡟⠀⠀⠀⢀⣾⣿⣿⡏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⢀⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢻⣿⣿⡄⢀⣀⡀⠀⠀⠀⠀⠀⠀⢸⡇⠀⣾⠇⠀⠀⣰⣿⣿⣿⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⢸⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢿⣿⣿⣿⣿⣿⣦⡀⠀⠀⠀⠀⣾⠀⣰⠟⠀⢀⣼⣿⣿⠛⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⢸⣿⣿⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⠿⠿⠿⠿⠿⠿⠃⠀⠀⠀⢸⣿⣶⠏⢀⣴⣿⣿⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⢸⣿⣿⣿⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣾⣿⠃⢠⣿⣿⡿⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⢿⣿⣿⣿⠇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⣿⢃⣴⣿⡿⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠈⠛⠛⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⣿⣧⣾⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⣿⣿⡟⢸⣿⣿⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⣿⣿⣿⠁⠀⠀⠈⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⠿⠿⠿⠛⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+EOH
+)
+
+echo
+echo
+echo -e "\e[31m$HORSE\e[0m"
+echo
+echo "Welcome to Pyrois, the build system for Dark Horse Linux."
+echo
+echo "MASTER"
+echo
diff --git a/rex.project/x86_64/components/stage4/file.bash b/rex.project/x86_64/components/stage4/file.bash
old mode 100644
new mode 100755
index b73d463..8c8c749
--- a/rex.project/x86_64/components/stage4/file.bash
+++ b/rex.project/x86_64/components/stage4/file.bash
@@ -12,7 +12,7 @@ set -a
 APPNAME="file"
 
 # the version of this application
-VERSION="5.39"
+VERSION="5.44"
 
 # ----------------------------------------------------------------------
 # Variables and functions sourced from Environment:
@@ -29,18 +29,18 @@ VERSION="5.39"
 # register mode selections
 ARGUMENT_LIST=(
     "stage"
-    "build_temp"
-    "install_temp"
-    "all_temp"
+    "build"
+    "install"
+    "all"
     "help"
 )
 
 # modes to associate with switches
 # assumes you want nothing done unless you ask for it.
 MODE_STAGE=false
-MODE_BUILD_TEMP=false
-MODE_INSTALL_TEMP=false
-MODE_ALL_TEMP=false
+MODE_BUILD=false
+MODE_INSTALL=false
+MODE_ALL=false
 MODE_HELP=false
 
 # the file to log to
@@ -73,16 +73,16 @@ while [[ $# -gt 0 ]]; do
             MODE_STAGE=true
             shift 1
             ;;
-        --build_temp)
-            MODE_BUILD_TEMP=true
+        --build)
+            MODE_BUILD=true
             shift 1
             ;;
-        --install_temp)
-            MODE_INSTALL_TEMP=true
+        --install)
+            MODE_INSTALL=true
             shift 1
             ;;
-        --all_temp)
-            MODE_ALL_TEMP=true
+        --all)
+            MODE_ALL=true
             shift 1
             ;;
         --help)
@@ -123,7 +123,7 @@ mode_stage() {
 }
 
 # when the build_pass1 mode is enabled, this will execute
-mode_build_temp() {
+mode_build() {
 	
 	# patch, configure and build
 	logprint "Starting build of ${APPNAME}..."
@@ -131,41 +131,29 @@ mode_build_temp() {
 	logprint "Entering stage dir."	
 	pushd "${T_SOURCE_DIR}"
 	assert_zero $?
-	
-	logprint "Building a local file for signature file generation"
-	mkdir -pv build
-	pushd build
-	assert_zero $?
-	
-	../configure --disable-bzlib --disable-libseccomp --disable-xzlib --disable-zlib
-	assert_zero $?
-	
-	make
-	assert_zero $?
-	
-	popd
-	
-	logprint "Configuring ${APPNAME}..."
-	./configure \
-		--prefix=/usr \
-		--host=${T_TRIPLET} \
-		--build=$(./config.guess)
+		
+	./configure --prefix=/usr
 	assert_zero $?
 	
 	logprint "Compiling..."
-	make FILE_COMPILE=$(pwd)/build/src/file
+	make
+	assert_zero $?
+		
+	
+	logprint "Checks..."
+	make check
 	assert_zero $?
 	
 	logprint "Build operation complete."
 }
 
-mode_install_temp() {
+mode_install() {
 	logprint "Starting install of ${APPNAME}..."
-	pushd "${T_SOURCE_DIR}/build"
+	pushd "${T_SOURCE_DIR}"
 	assert_zero $?
 	
 	logprint "Installing..."
-	make DESTDIR=${T_SYSROOT} install
+	make install
 	assert_zero $?
 	
 	logprint "Install operation complete."
@@ -177,18 +165,18 @@ mode_help() {
 	exit 1
 }
 
-if [ "$MODE_ALL_TEMP" = "true" ]; then
+if [ "$MODE_ALL" = "true" ]; then
 	MODE_STAGE=true
-	MODE_BUILD_TEMP=true
-	MODE_INSTALL_TEMP=true
+	MODE_BUILD=true
+	MODE_INSTALL=true
 fi
 
 # if no options were selected, then show help and exit
 if \
 	[ "$MODE_HELP" != "true" ] && \
 	[ "$MODE_STAGE" != "true" ] && \
-	[ "$MODE_BUILD_TEMP" != "true" ] && \
-	[ "$MODE_INSTALL_TEMP" != "true" ]
+	[ "$MODE_BUILD" != "true" ] && \
+	[ "$MODE_INSTALL" != "true" ]
 then
 	logprint "No option selected during execution."
 	mode_help
@@ -206,17 +194,16 @@ if [ "$MODE_STAGE" = "true" ]; then
 	assert_zero $?
 fi
 
-if [ "$MODE_BUILD_TEMP" = "true" ]; then
+if [ "$MODE_BUILD" = "true" ]; then
 	logprint "Build of ${APPNAME} selected."
-	mode_build_temp
+	mode_build
 	assert_zero $?
 fi
 
-if [ "$MODE_INSTALL_TEMP" = "true" ]; then
+if [ "$MODE_INSTALL" = "true" ]; then
 	logprint "Install of ${APPNAME} selected."
-	mode_install_temp
+	mode_install
 	assert_zero $?
 fi
 
 logprint "Execution of ${APPNAME} completed."
-
diff --git a/rex.project/x86_64/components/stage4/m4.bash b/rex.project/x86_64/components/stage4/m4.bash
new file mode 100755
index 0000000..fae5091
--- /dev/null
+++ b/rex.project/x86_64/components/stage4/m4.bash
@@ -0,0 +1,209 @@
+#!/bin/bash
+# desc:
+# stages, builds, installs
+
+# make variables persist in subprocesses for logging function
+set -a
+
+# ----------------------------------------------------------------------
+# Configuration:
+# ----------------------------------------------------------------------
+# the name of this application
+APPNAME="m4"
+
+# the version of this application
+VERSION="1.4.19"
+
+# ----------------------------------------------------------------------
+# Variables and functions sourced from Environment:
+# ----------------------------------------------------------------------
+# assert_zero()
+# Checks if $1 is 0.  If non-0 value, halts the execution of the script.
+#
+# LOGS_ROOT
+# The parent directory where logs from this project will go.
+#
+# TEMP_STAGE_DIR
+# The parent directory of where source archives are extracted to.
+
+# register mode selections
+ARGUMENT_LIST=(
+    "stage"
+    "build"
+    "install"
+    "all"
+    "help"
+)
+
+# modes to associate with switches
+# assumes you want nothing done unless you ask for it.
+MODE_STAGE=false
+MODE_BUILD=false
+MODE_INSTALL=false
+MODE_ALL=false
+MODE_HELP=false
+
+# the file to log to
+LOGFILE="${APPNAME}.log"
+
+# ISO 8601 variation
+TIMESTAMP="$(date +%Y-%m-%d_%H:%M:%S)"
+
+# the path where logs are written to
+# note: LOGS_ROOT is sourced from environment
+LOG_DIR="${LOGS_ROOT}/${APPNAME}-${TIMESTAMP}"
+
+# the path where the source will be located when complete
+# note: TEMP_STAGE_DIR is sourced from environment
+T_SOURCE_DIR="${TEMP_STAGE_DIR}/${APPNAME}"
+
+# read defined arguments
+opts=$(getopt \
+    --longoptions "$(printf "%s," "${ARGUMENT_LIST[@]}")" \
+    --name "$APPNAME" \
+    --options "" \
+    -- "$@"
+)
+
+# process supplied arguments into flags that enable execution modes
+eval set --$opts
+while [[ $# -gt 0 ]]; do
+    case "$1" in
+        --stage)
+            MODE_STAGE=true
+            shift 1
+            ;;
+        --build)
+            MODE_BUILD=true
+            shift 1
+            ;;
+        --install)
+            MODE_INSTALL=true
+            shift 1
+            ;;
+        --all)
+            MODE_ALL=true
+            shift 1
+            ;;
+        --help)
+            MODE_HELP=true
+            shift 1
+            ;;
+        *)
+            break
+            ;;
+    esac
+done
+
+# print to stdout, print to log
+logprint() {
+	mkdir -p "${LOG_DIR}"
+	echo "[$(date +%Y-%m-%d_%H:%M:%S)] [${APPNAME}] $1" \
+	| tee -a "${LOG_DIR}/${LOGFILE}"
+}
+
+# Tell the user we're alive...
+logprint "Initializing the ${APPNAME} utility..."
+
+# when the stage mode is enabled, this will execute
+mode_stage() {
+	logprint "Starting stage of ${APPNAME}..."
+
+	logprint "Removing any pre-existing staging for ${APPNAME}."
+	rm -Rf "${T_SOURCE_DIR}"*
+
+	logprint "Extracting ${APPNAME}-${VERSION} source archive to ${TEMP_STAGE_DIR}"
+	tar xf "${SOURCES_DIR}/${APPNAME}-${VERSION}.tar."* -C "${TEMP_STAGE_DIR}"
+	assert_zero $?
+
+	# conditionally rename if it needs it
+	stat "${T_SOURCE_DIR}-"* && mv "${T_SOURCE_DIR}-"* "${T_SOURCE_DIR}"
+
+	logprint "Staging operation complete."
+}
+
+# when the build_pass1 mode is enabled, this will execute
+mode_build() {
+	
+	# patch, configure and build
+	logprint "Starting build of ${APPNAME}..."
+	
+	logprint "Entering build dir."	
+	pushd "${T_SOURCE_DIR}"
+	assert_zero $?
+		
+	logprint "Configuring ${APPNAME}..."
+	./configure --prefix=/usr 
+	assert_zero $?
+	
+	logprint "Compiling..."
+	make
+	assert_zero $?
+
+	logprint "Checking"
+	make check
+	logprint "Checks exited with '$?'. "
+
+	logprint "Build operation complete."
+}
+
+mode_install() {
+	logprint "Starting install of ${APPNAME}..."
+	pushd "${T_SOURCE_DIR}"
+	assert_zero $?
+	
+	logprint "Installing..."
+	make install
+	assert_zero $?
+		
+	logprint "Install operation complete."
+}
+
+
+mode_help() {
+	echo "${APPNAME} [ --stage ] [ --build_temp ] [ --install_temp ] [ --all_temp ] [ --help ]"
+	exit 0
+}
+
+if [ "$MODE_ALL" = "true" ]; then
+	MODE_STAGE=true
+	MODE_BUILD=true
+	MODE_INSTALL=true
+fi
+
+# if no options were selected, then show help and exit
+if \
+	[ "$MODE_HELP" != "true" ] && \
+	[ "$MODE_STAGE" != "true" ] && \
+	[ "$MODE_BUILD" != "true" ] && \
+	[ "$MODE_INSTALL" != "true" ]
+then
+	logprint "No option selected during execution."
+	mode_help
+fi
+
+# if help was supplied at all, show help and exit
+if [ "$MODE_HELP" = "true" ]; then
+	logprint "Help option selected.  Printing options and exiting."
+	mode_help
+fi
+
+if [ "$MODE_STAGE" = "true" ]; then
+	logprint "Staging option selected."
+	mode_stage
+	assert_zero $?
+fi
+
+if [ "$MODE_BUILD" = "true" ]; then
+	logprint "Build of ${APPNAME} selected."
+	mode_build
+	assert_zero $?
+fi
+
+if [ "$MODE_INSTALL" = "true" ]; then
+	logprint "Install of ${APPNAME} selected."
+	mode_install
+	assert_zero $?
+fi
+
+logprint "Execution of ${APPNAME} completed."
diff --git a/rex.project/x86_64/components/stage4/readline.bash b/rex.project/x86_64/components/stage4/readline.bash
old mode 100644
new mode 100755
index 078184e..d4ee2d8
--- a/rex.project/x86_64/components/stage4/readline.bash
+++ b/rex.project/x86_64/components/stage4/readline.bash
@@ -12,7 +12,7 @@ set -a
 APPNAME="readline"
 
 # the version of this application
-VERSION="8.1"
+VERSION="8.2"
 
 # ----------------------------------------------------------------------
 # Variables and functions sourced from Environment:
@@ -131,9 +131,19 @@ mode_build() {
 	logprint "Entering stage dir."	
 	pushd "${T_SOURCE_DIR}"
 	assert_zero $?
-		
+
+	
 	logprint "Applying patches..."
-	patch -Np1 -i ${PATCHES_DIR}/readline-8.1-ldconfig_fix.patch
+		
+	# TODO convert these to patches
+	sed -i '/MV.*old/d' Makefile.in
+	assert_zero $?
+
+	# TODO convert these to patches
+	sed -i '/{OLDSUFF}/c:' support/shlib-install
+	assert_zero $?
+
+	patch -Np1 -i ${PATCHES_DIR}/readline-${VERSION}-upstream_fix-1.patch
 	assert_zero $?
 	
 	logprint "Configuring ${APPNAME}"
@@ -141,17 +151,15 @@ mode_build() {
 		--prefix=/usr \
 		--disable-static \
 		--with-curses \
-		--docdir=/usr/share/doc/readline-8.1
+		--docdir=/usr/share/doc/readline-${VERSION}
 		
 	assert_zero $?
 	
 	logprint "Compiling..."
+	
 	make SHLIB_LIBS="-lncursesw"
 	assert_zero $?
 	
-	logprint "Checking ${APPNAME}"
-	make check
-	
 	logprint "Build operation complete."
 }
 
@@ -164,18 +172,8 @@ mode_install() {
 	make SHLIB_LIBS="-lncursesw" install
 	assert_zero $?
 	
-	logprint "Cleaning up..."
-	mv -v /usr/lib/lib{readline,history}.so.* /lib
-	assert_zero $?
-	
-	ln -sfv ../../lib/$(readlink /usr/lib/libreadline.so) /usr/lib/libreadline.so
-	assert_zero $?
-	
-	ln -sfv ../../lib/$(readlink /usr/lib/libhistory.so ) /usr/lib/libhistory.so
-	assert_zero $?
-	
 	logprint "Installing documentation..."
-	install -v -m644 doc/*.{ps,pdf,html,dvi} /usr/share/doc/readline-8.1
+	install -v -m644 doc/*.{ps,pdf,html,dvi} /usr/share/doc/readline-${VERSION}
 	assert_zero $?
 	
 	logprint "Install operation complete."
diff --git a/rex.project/x86_64/components/stage4/zstd.bash b/rex.project/x86_64/components/stage4/zstd.bash
old mode 100644
new mode 100755
index f80ecec..866f397
--- a/rex.project/x86_64/components/stage4/zstd.bash
+++ b/rex.project/x86_64/components/stage4/zstd.bash
@@ -12,7 +12,7 @@ set -a
 APPNAME="zstd"
 
 # the version of this application
-VERSION="1.4.8"
+VERSION="1.5.4"
 
 # ----------------------------------------------------------------------
 # Variables and functions sourced from Environment:
@@ -134,7 +134,7 @@ mode_build() {
 		
 	
 	logprint "Compiling..."
-	make
+	make prefix=/usr
 	assert_zero $?
 	
 	logprint "Checking ${APPNAME}"
@@ -153,11 +153,7 @@ mode_install() {
 	assert_zero $?
 	
 	logprint "Cleaning up..."
-	mv -v /usr/lib/libzstd.so.* /lib
-	assert_zero $?
-	
-	# what a weird practice...
-	ln -sfv ../../lib/$(readlink /usr/liblibzstd.so) /usr/lib/libzstd.so
+	rm -v /usr/lib/libzstd.a
 	assert_zero $?
 		
 	logprint "Install operation complete."
diff --git a/rex.project/x86_64/plans/stage4backup.plan b/rex.project/x86_64/plans/backup.plan
similarity index 100%
rename from rex.project/x86_64/plans/stage4backup.plan
rename to rex.project/x86_64/plans/backup.plan
diff --git a/rex.project/x86_64/plans/master.plan b/rex.project/x86_64/plans/master.plan
new file mode 100644
index 0000000..e267ac9
--- /dev/null
+++ b/rex.project/x86_64/plans/master.plan
@@ -0,0 +1,10 @@
+{
+	"plan":
+	[
+		{
+			"name":			"welcome master", 
+			"dependencies": [ null ],
+			"comment":		"greet the user"
+		}
+	]
+}
diff --git a/rex.project/x86_64/plans/stage4.plan b/rex.project/x86_64/plans/stage4.plan
index 13eaef6..763be7c 100644
--- a/rex.project/x86_64/plans/stage4.plan
+++ b/rex.project/x86_64/plans/stage4.plan
@@ -35,6 +35,26 @@
 			"name":			"xz", 
 			"dependencies": [ null ],
 			"comment":		"LFS 11.3-systemd-rc1 Ch. 8.8"
+		},
+		{
+			"name":			"zstd", 
+			"dependencies": [ null ],
+			"comment":		"LFS 11.3-systemd-rc1 Ch. 8.9"
+		},
+		{
+			"name":			"file final", 
+			"dependencies": [ null ],
+			"comment":		"LFS 11.3-systemd-rc1 Ch. 8.10"
+		},
+		{
+			"name":			"readline final", 
+			"dependencies": [ null ],
+			"comment":		"LFS 11.3-systemd-rc1 Ch. 8.11"
+		},
+		{
+			"name":			"m4 final", 
+			"dependencies": [ null ],
+			"comment":		"LFS 11.3-systemd-rc1 Ch. 8.12"
 		}
 	]
 }
diff --git a/rex.project/x86_64/units/stage4backup.units b/rex.project/x86_64/units/backup.units
similarity index 88%
rename from rex.project/x86_64/units/stage4backup.units
rename to rex.project/x86_64/units/backup.units
index c58f237..b3b5f9e 100644
--- a/rex.project/x86_64/units/stage4backup.units
+++ b/rex.project/x86_64/units/backup.units
@@ -2,7 +2,7 @@
   "units": [
     {
         "name":         			"offer backup",
-        "target":       			"components/stage4backup/offer_backup.bash",
+        "target":       			"components/backup/offer_backup.bash",
 		"is_shell_command":			true,
 		"shell_definition":			"bash",
 		"force_pty":				true,
diff --git a/rex.project/x86_64/units/master.units b/rex.project/x86_64/units/master.units
new file mode 100644
index 0000000..897884b
--- /dev/null
+++ b/rex.project/x86_64/units/master.units
@@ -0,0 +1,22 @@
+{
+  "units": [
+    {
+        "name":         			"welcome master",
+        "target":       			"components/master/welcome.bash",
+		"is_shell_command":			true,
+		"shell_definition":			"bash",
+		"force_pty":				true,
+		"set_working_directory":	false,
+		"working_directory":		"",
+        "rectify":      			false,
+        "rectifier":    			"",
+        "active":       			true,
+        "required":     			true,
+		"set_user_context": 		true,
+        "user":         			"root",
+        "group":        			"root",
+		"supply_environment":		true,
+        "environment":  			"environments/stage4.env.bash"
+    }
+ ]
+}
diff --git a/rex.project/x86_64/units/stage4.units b/rex.project/x86_64/units/stage4.units
index 81745ff..7160978 100644
--- a/rex.project/x86_64/units/stage4.units
+++ b/rex.project/x86_64/units/stage4.units
@@ -125,6 +125,78 @@
         "group":        			"root",
 		"supply_environment":		true,
         "environment":  			"environments/stage4.env.bash"
+    },
+    {
+        "name":         			"zstd",
+        "target":       			"components/stage4/zstd.bash --all",
+		"is_shell_command":			true,
+		"shell_definition":			"bash",
+		"force_pty":				true,
+		"set_working_directory":	false,
+		"working_directory":		"",
+        "rectify":      			false,
+        "rectifier":    			"",
+        "active":       			true,
+        "required":     			true,
+		"set_user_context": 		true,
+        "user":         			"root",
+        "group":        			"root",
+		"supply_environment":		true,
+        "environment":  			"environments/stage4.env.bash"
+    },
+    {
+        "name":         			"file final",
+        "target":       			"components/stage4/file.bash --all",
+		"is_shell_command":			true,
+		"shell_definition":			"bash",
+		"force_pty":				true,
+		"set_working_directory":	false,
+		"working_directory":		"",
+        "rectify":      			false,
+        "rectifier":    			"",
+        "active":       			true,
+        "required":     			true,
+		"set_user_context": 		true,
+        "user":         			"root",
+        "group":        			"root",
+		"supply_environment":		true,
+        "environment":  			"environments/stage4.env.bash"
+    },
+    {
+        "name":         			"readline final",
+        "target":       			"components/stage4/readline.bash --all",
+		"is_shell_command":			true,
+		"shell_definition":			"bash",
+		"force_pty":				true,
+		"set_working_directory":	false,
+		"working_directory":		"",
+        "rectify":      			false,
+        "rectifier":    			"",
+        "active":       			true,
+        "required":     			true,
+		"set_user_context": 		true,
+        "user":         			"root",
+        "group":        			"root",
+		"supply_environment":		true,
+        "environment":  			"environments/stage4.env.bash"
+    },
+    {
+        "name":         			"m4 final",
+        "target":       			"components/stage4/m4.bash --all",
+		"is_shell_command":			true,
+		"shell_definition":			"bash",
+		"force_pty":				true,
+		"set_working_directory":	false,
+		"working_directory":		"",
+        "rectify":      			false,
+        "rectifier":    			"",
+        "active":       			true,
+        "required":     			true,
+		"set_user_context": 		true,
+        "user":         			"root",
+        "group":        			"root",
+		"supply_environment":		true,
+        "environment":  			"environments/stage4.env.bash"
     }
  ]
 }