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Re: [Xen-devel] [PATCH] xen/x86: Add -Wnested-externs to CFLAGS



At 17:52 +0100 on 26 May (1306432332), Ian Campbell wrote:
> On Thu, 2011-05-26 at 17:32 +0100, Tim Deegan wrote:
> > # HG changeset patch
> > # User Tim Deegan <Tim.Deegan@xxxxxxxxxx>
> > # Date 1306427536 -3600
> > # Node ID 73ba1d95d1ec59246e2f0a8e8a1136cd5f9d98c2
> > # Parent  69fe4b8a7c0961070a626cb473d19a0770db663a
> > xen/x86: Add -Wnested-externs to CFLAGS
> > 
> > This will catch any new extern declarations that happen actually
> > inside function bodies.  Unfortunately there's no equivalent
> > warning for extern declarations at rootl level in .c files.
> > 
> > diff -r 69fe4b8a7c09 -r 73ba1d95d1ec xen/arch/x86/Rules.mk
> > --- a/xen/arch/x86/Rules.mk Thu May 26 17:17:43 2011 +0100
> > +++ b/xen/arch/x86/Rules.mk Thu May 26 17:32:16 2011 +0100
> > @@ -27,6 +27,7 @@ CFLAGS += -I$(BASEDIR)/include/asm-x86/m
> >  CFLAGS += -msoft-float
> >  
> >  $(call cc-options-add,CFLAGS,CC,$(EMBEDDED_EXTRA_CFLAGS))
> > +$(call cc-option-add,CFLAGS,CC,-Wnested-externs)
>                    ^ missing s?

No; the _s_ version is a wrapper that processes a list. 

Tim.

> >  
> >  ifeq ($(supervisor_mode_kernel),y)
> >  CFLAGS += -DCONFIG_X86_SUPERVISOR_MODE_KERNEL=1
> > 
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-devel
> 
> 

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, Xen Platform Team
Citrix Systems UK Ltd.  (Company #02937203, SL9 0BG)

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