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-rw-r--r--ConfigureChecks.cmake10
1 files changed, 9 insertions, 1 deletions
diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index 289dd8c..cb2a1b8 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -19,8 +19,16 @@ test_big_endian(WORDS_BIGENDIAN)
tde_setup_largefiles( )
-##### check for gcc visibility support #########
+##### check for gcc visibility support
if( WITH_GCC_VISIBILITY )
tde_setup_gcc_visibility( )
endif( )
+
+
+##### check for X11 - XTest
+
+find_package( X11 )
+if( NOT X11_XTest_FOUND )
+ tde_message_fatal( "The XTest (X11) library is required but was not found on your system." )
+endif()