linux-kernel - Compiling dependent module

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Message-ID: <309a667c0610070512y47718898i4a664ef6cce7c312@mail.gmail.com>
Date:	Sat, 7 Oct 2006 17:42:47 +0530
From:	"Devesh Sharma" <devesh28@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: Compiling dependent module

Hello all,

I have a situation where, I have one parent module in ../hello/
directory which exports one symbol (g_my_export). I have a dependent
module in ../hello1/ directory. Both have it's own makefiles.
Compiling of parent module (hello.ko) is fine, but during compilation
of dependent module (hello1.ko) I see a warning that g_my_export is
undefined.

On the other hand when I do depmod -a and modprobe, dependent module
inserts successfully in kernel.

I want to remove compile time warning. What should I do?

The source and makefile of both parent and dependent module is
attached with this mail.

Thanks
Devesh.

View attachment "hello.c" of type "text/x-csrc" (346 bytes)

Download attachment "Makefile" of type "application/octet-stream" (486 bytes)

View attachment "hello1.c" of type "text/x-csrc" (382 bytes)

Download attachment "Makefile" of type "application/octet-stream" (487 bytes)