From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ramsay Jones <ramsay@ramsayjones.plus.com>
Subject: Re: make selfcheck
Date: Mon, 17 Jul 2017 19:19:30 +0100
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To: Christopher Li <sparse@chrisli.org>
Cc: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>, Sparse Mailing-list <linux-sparse@vger.kernel.org>



On 17/07/17 17:30, Ramsay Jones wrote:
> Hi Christopher,
> 
> The 'make selfcheck' target fails very quickly on cygwin, like so:
> 
>   $ make selfcheck
>        CHECK    target.c
>        CHECK    parse.c
>   /usr/include/sys/_default_fcntl.h:163:14: error: redefinition of struct flock
>   make: *** [Makefile:204: parse.sc] Error 1
>   $ 
> 
> This is caused by sparse not defining the '__CYGWIN__' macro, which
> would have been defined by cgcc, so the follwing fixes that:
> 
> -- >8 --
> diff --git a/Makefile b/Makefile
> index 4214e17..a3d3b9c 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -201,7 +201,7 @@ c2xml.o c2xml.sc: CFLAGS += $(LIBXML_CFLAGS)
>  	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $<
>  
>  %.sc: %.c sparse
> -	$(QUIET_CHECK) ./sparse -c $(ALL_CFLAGS) $<
> +	$(QUIET_CHECK) ./cgcc -c $(ALL_CFLAGS) $<

This should have been './cgcc -no-compile', of course. :(

ATB,
Ramsay Jones