[PATCH] Define phony make targets as such.

[Ruslan Ermilov]

http://hg.nginx.org/nginx/rev/549b13cd793b

On Fri, Feb 05, 2021 at 12:48:50AM +0100, Thibault Nélis wrote:
> Hello,
> 
> I just spent more time than I care to admit troubleshooting a make
> issue after naively using `./configure --builddir=build` (make target
> inadvertently matches this directory name).
> 
> Not sure if taking a dep on POSIX sed in the build system is kosher or
> not, but if it is I figure this patch could save the next one some time
> ;).
> 
> Quickly tested on top of default tip as of this writing
> (7765:519b55453c45).
> 
> Best regards,
> 
> --- a/auto/init
> +++ b/auto/init
> @@ -44,6 +44,8 @@ fi
>  
>  cat << END > Makefile
>  
> +.PHONY: default clean
> +
>  default:       build
>  
>  clean:
> --- a/auto/install
> +++ b/auto/install
> @@ -196,6 +196,8 @@ done
>  
>  # create Makefile
>  
> +sed -i "/^\.PHONY/s/$/ build install modules upgrade/" Makefile
> +
>  cat << END >> Makefile
>  
>  build:


-- 
Ruslan Ermilov
Assume stupidity not malice