py-virtualenv20: add missing build dependency

[Thomas Klausner <tk%giga.or.at@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Thomas Klausner <tk%giga.or.at@localhost>
Pushed By:	wiz
Date:		Thu Jan 27 12:13:36 2022 +0100
Changeset:	75da5eb418743491fc40fc35f341156cfa328758

Modified Files:
	py-virtualenv20/Makefile

Log Message:
py-virtualenv20: add missing build dependency

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=75da5eb418743491fc40fc35f341156cfa328758

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 py-virtualenv20/Makefile | 3 +++
 1 file changed, 3 insertions(+)

diffs:
diff --git a/py-virtualenv20/Makefile b/py-virtualenv20/Makefile
index 7b26e3ba26..3deae16c0f 100644
--- a/py-virtualenv20/Makefile
+++ b/py-virtualenv20/Makefile
@@ -29,10 +29,13 @@ USE_LANGUAGES=	# none
 
 REPLACE_PYTHON=	virtualenv.py
 
+PYTHON_VERSIONED_DEPENDENCIES+=	setuptools_scm:build
+
 post-install:
 	cd ${DESTDIR}${PREFIX}/bin && \
 	${MV} virtualenv virtualenv-${PYVERSSUFFIX} || ${TRUE}
 
 .include "../../lang/python/application.mk"
 .include "../../lang/python/egg.mk"
+.include "../../lang/python/versioned_dependencies.mk"
 .include "../../mk/bsd.pkg.mk"