From c3197a5906a799eb4e3cfacd4c4c900f36beebfe Mon Sep 17 00:00:00 2001
From: Maciej Suminski <maciej.suminski@cern.ch>
Date: Sat, 17 Feb 2018 13:24:30 +0100
Subject: [PATCH] CMakeLists: detect gtk3 using wx-config

---
 CMakeLists.txt | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5cb5b9a206..6c9b4211f5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -508,8 +508,14 @@ find_package( wxWidgets 3.0.0 COMPONENTS gl aui adv html core net base xml stc R
 # Include wxWidgets macros.
 include( ${wxWidgets_USE_FILE} )
 
-string( FIND "${wxWidgets_LIBRARIES}" "gtk3" GTK3_DETECTED )
-if( NOT ${GTK3_DETECTED} EQUAL -1 )
+# Check the toolkit used to build wxWidgets
+execute_process( COMMAND ${wxWidgets_CONFIG_EXECUTABLE} --query-toolkit
+    RESULT_VARIABLE wxWidgets_TOOLKIT_RESULT
+    OUTPUT_VARIABLE wxWidgets_TOOLKIT_FOUND
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+
+if( wxWidgets_TOOLKIT_FOUND STREQUAL "gtk3" )
     message( WARNING "\nwxWidgets library has been built against GTK3, it causes a lot of problems in KiCad" )
     add_definitions( -DUSE_WX_GRAPHICS_CONTEXT )
     add_definitions( -DWXGTK3 )