From 0489756d4c358cb35de6d3afa02dd1be60bf501f Mon Sep 17 00:00:00 2001
From: Rafael Kitover <rkitover@gmail.com>
Date: Mon, 18 Jun 2018 04:11:35 -0700
Subject: [PATCH] fix $ENV{WX_CONFIG} check in 46f52941

Apparently in cmake empty env vars do not evaluate to false, use
explicit STREQUAL "".
---
 src/wx/CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/wx/CMakeLists.txt b/src/wx/CMakeLists.txt
index 9f4a170e..5ddca9ec 100644
--- a/src/wx/CMakeLists.txt
+++ b/src/wx/CMakeLists.txt
@@ -80,7 +80,7 @@ set(wxWidgets_USE_LIBS xrc xml html adv net core base)
 # wx-config utility for these packages to e.g. wx-config-gtk3
 #
 # Do not do the check if the WX_CONFIG env var is set.
-if(NOT $ENV{WX_CONFIG})
+if($ENV{WX_CONFIG} STREQUAL "")
     foreach(gtk_ver 4 3)
         set(wxWidgets_CONFIG_EXECUTABLE wx-config-gtk${gtk_ver})
         find_package(wxWidgets QUIET)