diff --git a/ChangeLog b/ChangeLog
index 959c375..0580143 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,17 @@
+Mon Sep 15 01:19:36 2008  Minero Aoki  <aamine@loveruby.net>
+
+	* cbc -> bin/cbc
+
+	* cbci -> bin/cbci.rb
+
+	* bin/cbci.sh: new file.
+
+	* lib/libcbc.cb: new file.
+
+	* build.properties: create jar file in lib/.
+
+	* install.sh: new file.
+
 Mon Sep 15 00:43:29 2008  Minero Aoki  <aamine@loveruby.net>
 
 	* net/loveruby/cflat/compiler/Compiler.java: handle multiple
diff --git a/ToDo b/ToDo
index 1081bf9..cbb7a76 100644
--- a/ToDo
+++ b/ToDo
@@ -2,6 +2,7 @@
 
 == Current
 
+* write install.sh
 * va_list
 * -O (peephole optimization)
         * movl $0, %eax => xorl %eax, %eax
diff --git a/cbc b/bin/cbc
similarity index 100%
rename from cbc
rename to bin/cbc
diff --git a/cbci b/bin/cbci.rb
similarity index 100%
rename from cbci
rename to bin/cbci.rb
diff --git a/bin/cbci.sh b/bin/cbci.sh
new file mode 100755
index 0000000..46c6c61
--- /dev/null
+++ b/bin/cbci.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+TMPDIR=/tmp
+TMPNAME="cflatexpr$$"
+
+main() {
+    local basedir="$(expand_path "$(dirname "$0")")"
+
+    cd "$TMPDIR"
+    trap "rm -f $TMPNAME*" EXIT
+    cat <<EndSource > "$TMPNAME.cb"
+import stdio;
+
+int
+main(int argc, char** argv)
+{
+    printf("%d\n", $1);
+    return 0;
+}
+EndSource
+    "$basedir/cbc" "$TMPNAME.cb" || exit 1
+    "./$TMPNAME"
+    st=$?
+    echo "status: $st" 1>&2
+    exit 0
+}
+
+expand_path() {
+    local path="$1"
+
+    if [ $(expr "$path" : "/") -eq 1 ]
+    then
+        echo "$path"
+    else
+        echo "$(pwd)/$path"
+    fi
+}
+
+main "$@"
diff --git a/build.properties b/build.properties
index 8c62eae..56ab4f9 100644
--- a/build.properties
+++ b/build.properties
@@ -3,7 +3,7 @@ javacc.dir=/usr/share/java
 src.dir=.
 build.dir=build
 build.classes.dir=build/classes
-build.jar=cbc.jar
+build.jar=lib/cbc.jar
 
 src.jj.file=./net/loveruby/cflat/parser/Parser.jj
 build.parser.dir=./net/loveruby/cflat/parser
diff --git a/install.sh b/install.sh
new file mode 100755
index 0000000..f36f9d0
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+version=1.0.0
+prefix="${1:-/usr/local/cbc/$version}"
+
+invoke() {
+    echo "$@"
+    if ! "$@"
+    then
+        echo "install failed." 1>&2
+        exit 1
+    fi
+}
+
+echo "version=$version"
+echo "prefix=$prefix"
+invoke mkdir -p "$prefix/bin"
+invoke cp bin/cbc bin/cbci "$prefix/bin
+invoke mkdir -p "$prefix/lib"
+invoke cp cbc.jar lib/libcbc.o "$prefix/lib"
+echo "cbc successfully installed as $prefix/bin/cbc"
diff --git a/lib/libcbc.cb b/lib/libcbc.cb
new file mode 100644
index 0000000..5ee3eb8
--- /dev/null
+++ b/lib/libcbc.cb
@@ -0,0 +1,18 @@
+//import stdarg;        // FIXME
+
+typedef unsigned long va_arg_t;
+typedef va_arg_t* va_list;
+
+va_list
+va_init(void *arg)
+{
+    return (va_list)arg + 1;
+}
+
+va_arg_t
+va_next(va_list* ap)
+{
+    va_arg_t arg = **ap;
+    (*ap)++;
+    return arg;
+}