diff --git a/bash/Makefile b/bash/Makefile
new file mode 100644
index 0000000..b8fd4be
--- /dev/null
+++ b/bash/Makefile
@@ -0,0 +1,8 @@
+prepare:
+	git clone https://git.savannah.gnu.org/git/bash.git && cd bash
+bash:
+	make
+install:
+	make install
+uninstall:
+	make uninstall
diff --git a/gcc/Makefile b/gcc/Makefile
index 33346f3..4944ad4 100644
--- a/gcc/Makefile
+++ b/gcc/Makefile
@@ -1,5 +1,5 @@
 prepare:
-	git clone git://gcc.gnu.org/git/gcc.git
+	git clone git://gcc.gnu.org/git/gcc.git && cd gcc
 gcc:
   make
 install:
diff --git a/zsh/Makefile b/zsh/Makefile
new file mode 100644
index 0000000..11d4afd
--- /dev/null
+++ b/zsh/Makefile
@@ -0,0 +1,8 @@
+prepare:
+	git clone https://github.com/zsh-users/zsh.git && cd zsh
+zsh:
+	make
+install:
+	make install
+uninstall:
+	make uninstall