On Tue, 20 Jun 2023 12:34:08 GMT, Erik Joelsson <er...@openjdk.org> wrote:

> I've recently tried to use UTIL_ARG_WITH for new configure arguments in a 
> project repository and discovered some issues. The project in question may or 
> may not end up in mainline at some point in the future, but I think fixing 
> these general issues in UTIL_ARG_WITH is worth it independent of my specific 
> use case.
> 
> For TYPE "directory" the check if the value is a valid directory is supposed 
> to optionally check for files in the CHECK_FOR_FILES list. The default value 
> of this list is ":" (due to autoconf peculiarities) but the check is 
> performed if the value is non empty. This means that if you call 
> UTIL_ARG_WITH with TYPE "directory" and no CHECK_FOR_FILES, it will always 
> fail because there is no file ":" in the given directory. This patch changes 
> the conditional to check for ":" instead of the empty string.
> 
> When an optional arg is defined, the validation check is still being 
> performed when the arg has been disabled (--without-arg). This makes it 
> impossible to disable something of for example TYPE "directory" as the 
> directory check will fail. The current configure script in OpenJDK only has 
> macro calls of type "string" and "literal" where this doesn't cause problems, 
> because an empty string as value passes validation. This patch moves the 
> validation so that it's only performed when the arg isn't disabled.

This pull request has now been integrated.

Changeset: 7ea22cd3
Author:    Erik Joelsson <er...@openjdk.org>
URL:       
https://git.openjdk.org/jdk/commit/7ea22cd38510e54107889dbec01d47a10aa6f52d
Stats:     17 lines in 1 file changed: 1 ins; 1 del; 15 mod

8310369: UTIL_ARG_WITH fails when arg is disabled

Reviewed-by: mikael

-------------

PR: https://git.openjdk.org/jdk/pull/14558

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