https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=286081

- don't let MAKEFLAGS from ports 'make' pollute the build gmake.
- generally, don't mute install commands

diff --git a/devel/py3c/Makefile b/devel/py3c/Makefile
index 30c58ce45d8e..008be5896ae9 100644
--- a/devel/py3c/Makefile
+++ b/devel/py3c/Makefile
@@ -17,7 +17,7 @@ GH_ACCOUNT=	encukou
 NO_BUILD=	yes
 
 do-install:
-	@${MAKE_CMD}                              \
+	${SETENVI} ${WRK_ENV} ${MAKE_CMD}         \
 	 prefix=${PREFIX}                         \
 	 pkgconfigdir=${PREFIX}/libdata/pkgconfig \
 	 DESTDIR=${STAGEDIR}                      \