From: brian m. carlson <sandals@crustytoothpaste.net>
Date: Fri, 27 Oct 2023 19:36:36 GMT
Subject: Re: Constant recompilation when GENERATE_COMPILATION_DATABASE is set
Message-ID: <ZTwRRHhHxGt1nwL9@tapette.crustytoothpaste.net>
In-Reply-To: <76c5f401-0b29-b19a-8424-5bca5df2252e@gmail.com>

On 2023-10-27 at 15:41:23, Philippe Blain wrote:
> One way to fix this is to use the same trick that is used for the '.depend' directories
> created to hold the Makefile dependencies: 
> 
> diff --git a/Makefile b/Makefile
> index 5776309365..f6f7255dd1 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -2701,7 +2701,7 @@ endif
>  compdb_dir = compile_commands
>  
>  ifeq ($(GENERATE_COMPILATION_DATABASE),yes)
> -missing_compdb_dir = $(compdb_dir)
> +missing_compdb_dir = $(filter-out $(wildcard $(compdb_dir)), $(compdb_dir))
>  $(missing_compdb_dir):
>  	@mkdir -p $@
>  
> That is, we define missing_compdb_dir to 'compile_commands' only if the directory
> is not yet created.

I can confirm that this solves my problem very nicely.  Thanks for such
a fast response.
-- 
brian m. carlson (he/him or they/them)
Toronto, Ontario, CA