linux-kernel - Re: [PATCH] staging: lustre: ptlrpc: add missing include directive

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Date:	Sat, 15 Aug 2015 11:13:39 +0300
From:	Ioan-Adrian Ratiu <adi@...rat.com>
To:	Greg KH <gregkh@...uxfoundation.org>
Cc:	andreas.dilger@...el.com, HPDD-discuss@...ts.01.org,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: lustre: ptlrpc: add missing include directive

On Fri, 14 Aug 2015 18:50:24 -0700
Greg KH <gregkh@...uxfoundation.org> wrote:

> On Fri, Aug 14, 2015 at 12:57:06PM +0300, Ioan-Adrian Ratiu wrote:
> > Without including ptlrpc_internal.h, GCC gives prototype warnings
> > "pack_generic.c:642:5: warning: no previous prototype for ..."
> 
> It does?  What version of gcc give you that, I don't see that here.
> 

Yes, but it's a non-default warning (-Wmissing-prototypes)

$ gcc --version
gcc (Gentoo 4.9.3 p1.0, pie-0.6.2) 4.9.3

When testing the above patch I've used Ubuntu Vivid Vervet's gcc
(also 4.9 I think, I don't have access to that machine right now).

To see the warn I'm adding "ccflags-y := -Wmissing-prototypes"
to a Makefile then "make SUBDIRS=..."
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