Add 6.4 - Build bash

scripts/chapter6/6.4-bash.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+
+cd $LFS/sources
+tar xf bash-5.1.16.tar.gz
+cd bash-5.1.16
+
+./configure --prefix=/usr                   \
+            --build=$(support/config.guess) \
+            --host=$LFS_TGT                 \
+            --without-bash-malloc
+
+if [ $? -ne 0 ]
+then
+  exit 1
+fi
+
+make -j5
+
+if [ $? -ne 0 ]
+then 
+  exit 1
+fi
+
+make DESTDIR=$LFS install
+
+ln -sv bash $LFS/bin/sh
+
+cd $LFS/sources
+rm -rf bash-5.1.16

scripts/main.sh

@@ -215,3 +215,16 @@ then
 	stop_script "chapter6/6.3-ncurses.sh"
 fi
 
+# Chapter 6.4
+# ===========
+echo "Building bash"
+su - lfs -c "bash $PWD/chapter6/6.4-bash.sh"
+
+# Exit on error
+check_exit_code
+if [ $exit_status -ne 0 ]
+then
+	stop_script "chapter6/6.4-bash.sh"
+fi
+
+