Missed BUILD_DEPENDS after adding TARGET's in do-build. Input from matthias kilian(should've CC me) and sthen@ Build and run tested on amd64.
Index: Makefile
===================================================================
RCS file: /cvs/ports/graphics/makehuman/Makefile,v
retrieving revision 1.31
diff -u -p -r1.31 Makefile
--- Makefile 13 Jul 2020 20:09:27 -0000 1.31
+++ Makefile 16 Jul 2020 03:43:40 -0000
@@ -22,6 +22,9 @@ MODPY_VERSION= ${MODPY_DEFAULT_VERSION_3
NO_TEST= Yes
+BUILD_DEPENDS= math/py-numpy${MODPY_FLAVOR} \
+ x11/py-qt5${MODPY_FLAVOR}
+
RUN_DEPENDS= devel/desktop-file-utils \
graphics/py-opengl${MODPY_FLAVOR} \
math/py-numpy${MODPY_FLAVOR} \
diff
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