diff --git a/src/libs/libs.pro b/src/libs/libs.pro
index 34a5d938bf3..178a7a4cb8c 100644
--- a/src/libs/libs.pro
+++ b/src/libs/libs.pro
@@ -38,5 +38,11 @@ win32:SUBDIRS += utils/process_ctrlc_stub.pro
 # Windows: Compile Qt Creator CDB extension if Debugging tools can be detected.
 win32: isEmpty(QTC_SKIP_CDBEXT) {
     include(qtcreatorcdbext/cdb_detect.pri)
-    exists($$CDB_PATH):SUBDIRS += qtcreatorcdbext
+    exists($$CDB_PATH) {
+        SUBDIRS += qtcreatorcdbext
+    } else {
+        message("Compiling Qt Creator without a CDB extension.")
+        message("If CDB is installed in a none default path define a CDB_PATH")
+        message("environment variable pointing to your CDB installation.")
+    }
 }