Index: devel/cmake/Makefile
===================================================================
--- devel/cmake/Makefile	(revision 513830)
+++ devel/cmake/Makefile	(working copy)
@@ -36,8 +36,8 @@
 OPTIONS_SUB=	yes
 
 MANPAGES_USES=		python:env
-MANPAGES_BUILD_DEPENDS=	sphinx-build:textproc/py-sphinx
-MANPAGES_CONFIGURE_ON=	--sphinx-man
+MANPAGES_BUILD_DEPENDS=	sphinx-build-${PYTHON_VER}:textproc/py-sphinx@${PY_FLAVOR}
+MANPAGES_CONFIGURE_ON=	--sphinx-man --sphinx-build=sphinx-build-${PYTHON_VER}
 
 CPACK_DESC=		Enable FreeBSD generator in CPack (experimental)
 CPACK_LIB_DEPENDS=	libpkg.so:ports-mgmt/pkg