Re: pkg/52390: current fails to bootstrap on CentOS 6

[Joerg Sonnenberger <joerg%bec.de@localhost>]

On Sun, Jul 16, 2017 at 05:30:00PM +0000, Jason Bacon wrote:
> The following reply was made to PR pkg/52390; it has been noted by GNATS.
> 
> From: Jason Bacon <bacon4000%gmail.com@localhost>
> To: gnats-bugs%NetBSD.org@localhost, pkg-manager%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
>  pkgsrc-bugs%netbsd.org@localhost
> Cc: 
> Subject: Re: pkg/52390: current fails to bootstrap on CentOS 6
> Date: Sun, 16 Jul 2017 12:29:20 -0500
> 
>  On 07/16/17 11:55, coypu%sdf.org@localhost wrote:
>  > The following reply was made to PR pkg/52390; it has been noted by GNATS.
>  >
>  > From: coypu%sdf.org@localhost
>  > To: gnats-bugs%NetBSD.org@localhost
>  > Cc:
>  > Subject: Re: pkg/52390: current fails to bootstrap on CentOS 6
>  > Date: Sun, 16 Jul 2017 16:52:25 +0000
>  >
>  >   Please try the following, thanks
>  >   
>  >   Index: Makefile
>  >   ===================================================================
>  >   RCS file: /cvsroot/pkgsrc/pkgtools/cwrappers/files/bin/Makefile,v
>  >   retrieving revision 1.5
>  >   diff -u -r1.5 Makefile
>  >   --- Makefile	9 Dec 2016 22:25:28 -0000	1.5
>  >   +++ Makefile	16 Jul 2017 16:52:08 -0000
>  >   @@ -32,6 +32,10 @@
>  >    WARNS=	4
>  >    NOMAN=
>  >    
>  >   +.if ${OPSYS} == "Linux"
>  >   +CFLAGS+=	-Wno-error=unused-result
>  >   +.endif
>  >   +
>  >    CLEANFILES+=	.work-new.log \
>  >    		transform-gcc-rules-fixed.map \
>  >    		transform-gcc-rules-fixed1.c \
>  >   
>  
>  Unfortunately, that flag is not present in GCC 4.4.7:
>  
>  Linux sciprog2.ceas bacon ~ 405: (pkgsrc): gcc -Wno-error=unused-result 
>  junk.c
>  cc1: error: -Werror=unused-result: No option -Wunused-result
>  
>  Linux sciprog2.ceas bacon ~ 408: (pkgsrc): 
>  Pkgsrc/pkg-2017Q1/gcc49/bin/gcc -Wno-error=unused-result junk.c
>  Linux sciprog2.ceas bacon ~ 409: (pkgsrc):
>  
>  It would have been a nice solution...

-Wno-unused-result, not -Wno-error=unused-result.

Joerg