diff -up kstars-17.08.1/CMakeLists.txt.make_libindi_required kstars-17.08.1/CMakeLists.txt
--- kstars-17.08.1/CMakeLists.txt.make_libindi_required	2017-09-21 14:31:18.206076052 -0500
+++ kstars-17.08.1/CMakeLists.txt	2017-09-21 14:32:02.522117007 -0500
@@ -175,10 +175,10 @@ if (ANDROID)
     set(INDI_INCLUDE_DIR ${CMAKE_BINARY_DIR}/android/indi/libindi/libs/indibase ${CMAKE_BINARY_DIR}/android/indi/libindi ${CMAKE_BINARY_DIR}/android/indi/libindi/libs)
     set(INDI_CLIENT_ANDROID_LIBRARIES ${CMAKE_BINARY_DIR}/android/indi/libindi/libindiclientqt.a)
 else ()
-    find_package(INDI 1.4.1)
+    find_package(INDI 1.4.1 REQUIRED)
 endif ()
 MACRO_BOOL_TO_01(INDI_FOUND HAVE_INDI)
-set_package_properties(INDI PROPERTIES DESCRIPTION "Astronomical instrumentation control" URL "http://www.indilib.org" TYPE OPTIONAL PURPOSE "Support for controlling astronomical devices on Linux with KStars.")
+set_package_properties(INDI PROPERTIES DESCRIPTION "Astronomical instrumentation control" URL "http://www.indilib.org" TYPE REQUIRED PURPOSE "Support for controlling astronomical devices on Linux with KStars.")
 
 ## Libraw
 if(BUILD_KSTARS_LITE AND ANDROID)