It is basically a set of macros built on top of cmake, so it does not make sense without it.
Package-Manager: Portage-2.3.6, Repoman-2.3.2
${PYTHON_DEPS}
dev-python/catkin_pkg[${PYTHON_USEDEP}]
dev-python/empy[${PYTHON_USEDEP}]
+ dev-util/cmake
"
DEPEND="${RDEPEND}
test? ( dev-python/nose[${PYTHON_USEDEP}] dev-python/mock[${PYTHON_USEDEP}] )"
${PYTHON_DEPS}
dev-python/catkin_pkg[${PYTHON_USEDEP}]
dev-python/empy[${PYTHON_USEDEP}]
+ dev-util/cmake
"
DEPEND="${RDEPEND}
test? ( dev-python/nose[${PYTHON_USEDEP}] dev-python/mock[${PYTHON_USEDEP}] )"