Add 5.6 - Build libstdc++

scripts/chapter5/5.6-libstdc++.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+cd $LFS/sources
+tar xf gcc-12.2.0.tar.xz
+cd gcc-12.2.0
+
+mkdir -v build
+cd build
+
+../libstdc++-v3/configure           \
+    --host=$LFS_TGT                 \
+    --build=$(../config.guess)      \
+    --prefix=/usr                   \
+    --disable-multilib              \
+    --disable-nls                   \
+    --disable-libstdcxx-pch         \
+    --with-gxx-include-dir=/tools/$LFS_TGT/include/c++/12.2.0
+
+if [ $? -ne 0 ]
+then
+  exit 1
+fi
+
+make -j5
+
+if [$ -ne 0 ]
+then
+  exit 1
+fi
+
+make DESTDIR=$LFS install
+
+rm -v $LFS/usr/lib/lib{stdc++,stdc++fs,supc++}.la
+
+cd $LFS
+rm -rf gcc-12.2.0

scripts/main.sh

@@ -177,3 +177,15 @@ then
 	stop_script "chapter5/5.5-glibc.sh"
 fi
 
+# Chapter 5.6
+# ===========
+echo "Building listdc++"
+su - lfs -c "$PWD/chapter5/5.6-libstdc++.sh"
+
+# Exit on error
+check_exit_code
+if [ $exit_status -ne 0 ]
+then
+	stop_script "chapter5/5.6-libstdc++.sh"
+fi
+