Re: git: f8daab173840 - main - devel/kf5-kio: Remove extra CPE_VENDOR and inherit from USES=kde instead

On Mon, Oct 18, 2021 at 08:34:13AM +0000, Bernhard Froehlich wrote:
> -USES=		cmake compiler:c++11-lib cpe desktop-file-utils \
> -		gettext gnome kde:5 qt:5 ssl tar:xz
> -CPE_VENDOR=	kde
> +USES=		cmake compiler:c++11-lib desktop-file-utils \
> +		gettext gnome kde:5 cpe qt:5 ssl tar:xz

Wouldn't it better to change USES=cpe a little to set variables
later in _USES_POST?  Then other USES can set their own defaults
for CPE_* and we don't create a USES ordering problem that contributors
have to be surprised by.

diff --git a/Mk/Uses/cpe.mk b/Mk/Uses/cpe.mk
index 410a05c6e437..d88aa06c17f8 100644
--- a/Mk/Uses/cpe.mk
+++ b/Mk/Uses/cpe.mk
@@ -18,6 +18,11 @@
 
 .if !defined(_INCLUDE_USES_CPE_MK)
 _INCLUDE_USES_CPE_MK=    yes
+_USES_POST+=	cpe
+.endif
+
+.if defined(_POSTMKINCLUDED) && !defined(_INCLUDE_USES_CPE_POST_MK)
+_INCLUDE_USES_CPE_POST_MK=	yes
 
 CPE_PART	?= a
 CPE_PRODUCT	?= ${PORTNAME:tl}