diff --git a/.gitignore b/.gitignore
index cbdb7282c7..5e0b57a912 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,11 +2,9 @@
 *.a
 *.d
 .dir
-
 outdir
 samples/libc/minimal-*-O?
 linux2/
-host/x86-linux2/bin/gen*
 host/x86-linux2/bin/bin2hex
 host/x86-linux2/bin/dec2hex
 host/x86-linux2/bin/mkevents
diff --git a/host/x86-linux2/bin/gen_file_path_hash b/host/x86-linux2/bin/gen_file_path_hash
new file mode 100755
index 0000000000..78a59eed6e
--- /dev/null
+++ b/host/x86-linux2/bin/gen_file_path_hash
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2014 Wind River Systems, Inc.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# 1) Redistributions of source code must retain the above copyright notice,
+# this list of conditions and the following disclaimer.
+#
+# 2) Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+#
+# 3) Neither the name of Wind River Systems nor the names of its contributors
+# may be used to endorse or promote products derived from this software without
+# specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+# $1: path on which to perform hash calculation
+# $2: destination file
+
+_HASH=`echo $1 | sha1sum | awk '{print $1}'`
+echo "#define _FILE_PATH_HASH $_HASH" > $2
+
+exit 0