Re: Build error in StdLib with VS 2015 compiler

["Gao, Liming" <liming.gao@intel.com>]

For VS2015, don't define it. The change is like below. 

#ifndef __STDC_HOSTED__
#if !defined(_MSC_VER) || _MSC_VER != 1900
#define __STDC_HOSTED__ 1
#endif
#endif

> -----Original Message-----
> From: Karunakar P [mailto:karunakarp@amiindia.co.in]
> Sent: Monday, November 6, 2017 5:32 PM
> To: Gao, Liming <liming.gao@intel.com>; 'Tim Lewis' <tim.lewis@insyde.com>; 'edk2-devel@lists.01.org' <edk2-devel@lists.01.org>
> Cc: Ye, Ting <ting.ye@intel.com>; Fu, Siyuan <siyuan.fu@intel.com>; Wu, Jiaxin <jiaxin.wu@intel.com>
> Subject: RE: [edk2] Build error in StdLib with VS 2015 compiler
> 
> What do you say...
> 
> 
> Thanks,
> Karunakar
> 
> -----Original Message-----
> From: Karunakar P
> Sent: Thursday, November 02, 2017 8:17 PM
> To: 'Gao, Liming'; 'Tim Lewis'; edk2-devel@lists.01.org
> Cc: Ye, Ting; Fu, Siyuan; Wu, Jiaxin
> Subject: RE: [edk2] Build error in StdLib with VS 2015 compiler
> 
> Then it works fine.
> But the problem is it may miss the backward compatibility with other compilers.
> 
> I guess better to define as mentioned previously.
> 
> Thank You,
> Karunakar
> 
> -----Original Message-----
> From: Gao, Liming [mailto:liming.gao@intel.com]
> Sent: Thursday, November 02, 2017 7:33 PM
> To: Karunakar P; 'Tim Lewis'; edk2-devel@lists.01.org
> Cc: Ye, Ting; Fu, Siyuan; Wu, Jiaxin
> Subject: RE: [edk2] Build error in StdLib with VS 2015 compiler
> 
> Could you remove them, and build again?
> 
> > -----Original Message-----
> > From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Karunakar P
> > Sent: Thursday, November 2, 2017 8:32 PM
> > To: 'Tim Lewis' <tim.lewis@insyde.com>; edk2-devel@lists.01.org
> > Cc: Ye, Ting <ting.ye@intel.com>; Fu, Siyuan <siyuan.fu@intel.com>; Wu, Jiaxin <jiaxin.wu@intel.com>
> > Subject: Re: [edk2] Build error in StdLib with VS 2015 compiler
> >
> > It is C only.
> >
> > -Karunakar
> >
> > -----Original Message-----
> > From: Tim Lewis [mailto:tim.lewis@insyde.com]
> > Sent: Thursday, November 02, 2017 8:59 AM
> > To: Karunakar P; edk2-devel@lists.01.org
> > Cc: 'Ye, Ting'; 'Fu, Siyuan'; 'Wu, Jiaxin'
> > Subject: RE: [edk2] Build error in StdLib with VS 2015 compiler
> >
> > Are you building C++ (.cpp)? Tim
> >
> > -----Original Message-----
> > From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Karunakar P
> > Sent: Wednesday, November 1, 2017 8:27 PM
> > To: 'edk2-devel@lists.01.org' <edk2-devel@lists.01.org>
> > Cc: 'Ye, Ting' <ting.ye@intel.com>; 'Fu, Siyuan' <siyuan.fu@intel.com>; 'Wu, Jiaxin' <jiaxin.wu@intel.com>
> > Subject: Re: [edk2] Build error in StdLib with VS 2015 compiler
> >
> > Any comment on this?
> >
> > From: Karunakar P
> > Sent: Tuesday, October 31, 2017 3:18 PM
> > To: 'edk2-devel@lists.01.org'
> > Cc: 'Wu, Jiaxin'; 'Fu, Siyuan'; 'Ye, Ting'
> > Subject: Build error in StdLib with VS 2015 compiler
> >
> > Hello All,
> >
> > Facing an build error with Stdlib module when built with VS 2015 compiler.
> >
> > e:\test\StdLib\Include\sys/EfiCdefs.h(357): error C2220: warning treated as error - no 'object' file generated
> > e:\test\StdLib\Include\sys/EfiCdefs.h(357): warning C4117: macro name '__STDC_HOSTED__' is reserved, '#define' ignored
> >
> > below change resolving this error. Would you please review and provide comments.
> >
> > #ifndef __STDC_HOSTED__
> > #define __STDC_HOSTED__ 1
> > #endif
> >
> >
> > Thank You,
> > Karunakar
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