From 6d3282c28340c688e7749c99c29b8f8f7065a418 Mon Sep 17 00:00:00 2001
From: "Daniele E. Domenichelli" <daniele.domenichelli@iit.it>
Date: Tue, 10 Oct 2017 09:24:16 +0200
Subject: FindGStreamer: Do not search for plugin dir if gstreamer was not
 found

---
 cmake/modules/FindGStreamer.cmake | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/cmake/modules/FindGStreamer.cmake b/cmake/modules/FindGStreamer.cmake
index fe6cde1..1981a07 100644
--- a/cmake/modules/FindGStreamer.cmake
+++ b/cmake/modules/FindGStreamer.cmake
@@ -33,9 +33,11 @@ find_package(PkgConfig)
 
 if (PKG_CONFIG_FOUND)
     pkg_check_modules(PKG_GSTREAMER gstreamer-${GSTREAMER_ABI_VERSION})
-    exec_program(${PKG_CONFIG_EXECUTABLE}
-                 ARGS --variable pluginsdir gstreamer-${GSTREAMER_ABI_VERSION}
-                 OUTPUT_VARIABLE PKG_GSTREAMER_PLUGIN_DIR)
+    if(PKG_GSTREAMER_FOUND)
+        exec_program(${PKG_CONFIG_EXECUTABLE}
+                     ARGS --variable pluginsdir gstreamer-${GSTREAMER_ABI_VERSION}
+                     OUTPUT_VARIABLE PKG_GSTREAMER_PLUGIN_DIR)
+    endif()
     set(GSTREAMER_DEFINITIONS ${PKG_GSTREAMER_CFLAGS})
 endif()
 
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