diff --git a/Makefile.in b/Makefile.in
index f227600..b696873 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -286,6 +286,7 @@ ECHO_T = @ECHO_T@
 EGREP = @EGREP@
 EXEEXT = @EXEEXT@
 GETTEXT_MACRO_VERSION = @GETTEXT_MACRO_VERSION@
+GIT = @GIT@
 GMSGFMT = @GMSGFMT@
 GMSGFMT_015 = @GMSGFMT_015@
 GPG = @GPG@
diff --git a/README.org b/README.org
index 1087212..78d7a70 100644
--- a/README.org
+++ b/README.org
@@ -42,7 +42,8 @@
    + to install  the package, including running the  script to install
      lisp libraries (~quick_quicklisp.sh~):
      - AWK;
-     - BASH shell.
+     - BASH shell;
+     - git.
 
    + to run the program:
      - SBCL compiler;
diff --git a/README.txt b/README.txt
index 8453f72..d5e986e 100644
--- a/README.txt
+++ b/README.txt
@@ -83,7 +83,8 @@ Table of Contents
   ⁃ to install the package, including running the script to install lisp
     libraries (`quick_quicklisp.sh'):
     • AWK;
-    • BASH shell.
+    • BASH shell;
+    • git.
 
   ⁃ to run the program:
     • SBCL compiler;
diff --git a/configure b/configure
index 7e8db7c..cc25d10 100755
--- a/configure
+++ b/configure
@@ -590,6 +590,7 @@ ac_subst_vars='am__EXEEXT_FALSE
 am__EXEEXT_TRUE
 LTLIBOBJS
 LIBOBJS
+GIT
 OPENSSL
 XDG_OPEN
 BASH
@@ -6469,6 +6470,58 @@ if test "$OPENSSL" = "no" ; then
    exit 1;
 fi
 
+for ac_prog in git
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_GIT+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $GIT in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_GIT="$GIT" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_GIT="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+GIT=$ac_cv_path_GIT
+if test -n "$GIT"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GIT" >&5
+$as_echo "$GIT" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$GIT" && break
+done
+test -n "$GIT" || GIT="no"
+
+
+if test "$GIT" = "no" ; then
+   as_fn_error $? "Can not find git executable." "$LINENO" 5
+   exit 1;
+fi
+
 
 
 SBCL_MIN_VERSION="1.4.16";
diff --git a/configure.ac b/configure.ac
index 1346bc1..2acc049 100644
--- a/configure.ac
+++ b/configure.ac
@@ -70,6 +70,13 @@ if test "$OPENSSL" = "no" ; then
    exit 1;
 fi
 
+AC_PATH_PROGS([GIT],[git],[no])
+
+if test "$GIT" = "no" ; then
+   AC_MSG_ERROR([Can not find git executable.])
+   exit 1;
+fi
+
 AC_PROG_MKDIR_P
 
 dnl check sbcl version
diff --git a/quick_quicklisp.sh.in b/quick_quicklisp.sh.in
index 3ac69df..ade8626 100644
--- a/quick_quicklisp.sh.in
+++ b/quick_quicklisp.sh.in
@@ -39,10 +39,22 @@ NORMAL_TEXT="\033[0m"
 
 VERIFY_OK_RES=2
 
+CROATOAN_GIT_URL=https://github.com/McParen/croatoan.git
+
+CROATOAN_DIR="$QUICKLISP_INSTALL_DIR"/local-projects/croatoan/;
+
 echo_bold () {
     echo -e "${BOLD_TEXT}${1}${NORMAL_TEXT}";
 }
 
+check_croatoan (){
+    if [ -d $CROATOAN_DIR ]; then
+        echo 0;
+    else
+        echo 1;
+    fi
+}
+
 check_quicklisp () {
     if [ -d "$QUICKLISP_INSTALL_DIR" ]; then
         echo 0;
@@ -125,6 +137,16 @@ install_dependency () {
      --eval "(sb-ext:quit)";
 }
 
+install_croatoan () {
+    installedp=$(check_croatoan);
+    if [ $installedp -eq 0 ]; then
+        cd $CROATOAN_DIR && @GIT@ pull
+    else
+        cd $QUICKLISP_INSTALL_DIR/local-projects/ && @GIT@ clone $CROATOAN_GIT_URL
+    fi
+}
+
+
 quicklisp_installed_p=$(check_quicklisp);
 
 if [ $quicklisp_installed_p -eq 0 ]; then
@@ -135,4 +157,8 @@ else
     install_dependency;
 fi
 
-echo_bold "Finished."
+echo_bold "installing croatoan from git repository...";
+
+install_croatoan;
+
+echo_bold "Finished.";