Merge pull request #514 from thp/thp/libusb-fine-grained

Only pull in libusb/libusb-1.0 for their respective features (fixes #509)

Author: thp

src/utils/CMakeLists.txt

@@ -14,17 +14,19 @@ if (PSMOVE_BUILD_TRACKER)
   target_link_libraries(psmove psmoveapi_tracker)
 endif()
 
-if (PSMOVE_USE_SIXPAIR OR PSMOVE_BUILD_TRACKER)
-  if (WIN32)
-    include(${CMAKE_CURRENT_LIST_DIR}/libusb.cmake)
-    target_link_libraries(psmove ${LIBUSB_LIBRARIES})
-  else()
+if (WIN32)
+  include(${CMAKE_CURRENT_LIST_DIR}/libusb.cmake)
+  target_link_libraries(psmove ${LIBUSB_LIBRARIES})
+else()
+  if (PSMOVE_USE_SIXPAIR)
     # sixpair needs libusb
     find_package(PkgConfig REQUIRED)
     pkg_check_modules(LIBUSB REQUIRED libusb QUIET)
     include_directories(${LIBUSB_INCLUDE_DIRS})
     target_link_libraries(psmove ${LIBUSB_LIBRARIES})
+  endif()
 
+  if (PSMOVE_BUILD_TRACKER)
     # ps4/ps5 cams need libusb-1.0
     find_package(PkgConfig REQUIRED)
     pkg_check_modules(LIBUSB REQUIRED libusb-1.0 QUIET)