diff --git a/Einrichter-as-LFS.sh b/Einrichter-as-LFS.sh
index e3ad7ad..38377b1 100644
--- a/Einrichter-as-LFS.sh
+++ b/Einrichter-as-LFS.sh
@@ -169,7 +169,38 @@ function eal.install.cross-toolchain() {
                     echo "OK"
                 ;;
             esac
+        popd
+        pushd $LFS/sources/gcc/
+            mkdir -v build
+            cd       build
+            EIR_PKG=libstdcpp
+            eal.notification.buildconf
+            ../libstdc++-v3/configure           \
+                --host=$LFS_TGT                 \
+                --build=$(../config.guess)      \
+                --prefix=/usr                   \
+                --disable-multilib              \
+                --disable-nls                   \
+                --disable-libstdcxx-pch         \
+                --with-gxx-include-dir=/tools/$LFS_TGT/include/c++/14.2.0
+            eal.notification.compiling
+            make
+            eal.notification.installing
+            make DESTDIR=$LFS install
+            rm -v $LFS/usr/lib/lib{stdc++{,exp,fs},supc++}.la
+        popd
+        EIR_PKG=M4
+        tar -xvf m4-1.4.19.tar.xz
+        mv m4-1.4.19 m4
+        pushd $LFS/sources/m4/
+            eal.notification.buildconf
+            ./configure --prefix=/usr   \
+                        --host=$LFS_TGT \
+                        --build=$(build-aux/config.guess)
+            eal.notification.compiling
+            make
+            eal.notification.installing
+            make DESTDIR=$LFS install
+}       
 
-
-}
 main
\ No newline at end of file
diff --git a/README.md b/README.md
index 9d26e52..1e188e5 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 TylkoLinux, an LFS system
 
 ## Status
-LFS v12.2-systemd book chapter: 5.4.
+LFS v12.2-systemd book chapter: 5.6.
 
 ## To do
 ```md
diff --git a/lfs-patch-list b/lfs-patch-list
index 3c26c96..5841ed0 100644
--- a/lfs-patch-list
+++ b/lfs-patch-list
@@ -2,4 +2,5 @@ https://www.linuxfromscratch.org/patches/lfs/12.2/bzip2-1.0.8-install_docs-1.pat
 https://www.linuxfromscratch.org/patches/lfs/12.2/coreutils-9.5-i18n-2.patch
 https://www.linuxfromscratch.org/patches/lfs/12.2/expect-5.45.4-gcc14-1.patch
 https://www.linuxfromscratch.org/patches/lfs/12.2/glibc-2.40-fhs-1.patch
-https://www.linuxfromscratch.org/patches/lfs/12.2/kbd-2.6.4-backspace-1.patch
\ No newline at end of file
+https://www.linuxfromscratch.org/patches/lfs/12.2/kbd-2.6.4-backspace-1.patch
+https://www.linuxfromscratch.org/patches/downloads/m4/m4-1.4-gcc33-1.patch
\ No newline at end of file