[path/hpp-fcl] disable qhull on 16.04 & stretch

As they have an old version without qhull_r, which is required by hpp-fcl

path/hpp-fcl/Makefile

@@ -19,15 +19,19 @@ USE_BOOST_LIBS= thread date_time system filesystem unit_test_framework chrono
 # boost-1.47.0 has -Wconversion warnings in date_time/posix_time/posix_time.hpp
 CMAKE_ARGS+=		-DCXX_DISABLE_WERROR=yes
 CMAKE_ARGS+=		-DBUILD_PYTHON_INTERFACE=OFF
-CMAKE_ARGS+=		-DHPP_FCL_HAS_QHULL=ON
+
+include ../../mk/robotpkg.prefs.mk
+ifeq (,$(filter Ubuntu-16.04 Debian-9,${OPSYS}-${OS_VERSION}))
+  CMAKE_ARGS+=		-DHPP_FCL_HAS_QHULL=ON
+  include ../../mk/sysdep/qhull.mk
+endif
 
 include ../../devel/boost-headers/depend.mk
 include ../../devel/boost-libs/depend.mk
 include ../../mapping/octomap/depend.mk
 include ../../math/eigen3/depend.mk
 include ../../math/libccd/depend.mk
 include ../../graphics/assimp/depend.mk
-include ../../mk/sysdep/qhull.mk
 include ../../mk/language/c.mk
 include ../../mk/language/c++.mk
 include ../../mk/robotpkg.mk

path/py-hpp-fcl/Makefile

@@ -26,7 +26,6 @@ include ../../path/hpp-fcl/depend.mk
 include ../../pkgtools/pkg-config/depend.mk
 include ../../mk/sysdep/cmake.mk
 include ../../mk/sysdep/python.mk
-include ../../mk/sysdep/qhull.mk
 include ../../mk/language/c.mk
 include ../../mk/language/c++.mk
 include ../../mk/robotpkg.mk