Only use LIBUSB_LINK_LIBRARIES if it exists

FindPkgConfig only sets <XXX>_LINK_LIBRARIES in CMake >= 3.12. Signed-off-by: Clayton Smith <[email protected]> Signed-off-by: Dimitri Stolnikov <[email protected]>
osmocom · Dec 24, 2023 · af33886 · af33886
1 parent b85f037
commit af33886
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -71,7 +71,9 @@ find_package(PkgConfig)
 
 if(PKG_CONFIG_FOUND)
     pkg_check_modules(LIBUSB libusb-1.0 IMPORTED_TARGET)
-    set(LIBUSB_LIBRARIES "${LIBUSB_LINK_LIBRARIES}")
+    if(LIBUSB_LINK_LIBRARIES)
+        set(LIBUSB_LIBRARIES "${LIBUSB_LINK_LIBRARIES}")
+    endif()
 else()
     set(LIBUSB_LIBRARIES "" CACHE STRING "manual libusb path")
     set(LIBUSB_INCLUDE_DIRS "" CACHE STRING "manual libusb includepath")