disable glcanvasegl for wxWindgets compilation under linux to avoid linking errors (?)

Author: vincefn

ObjCryst/rules-gnu.mak

@@ -210,7 +210,7 @@ $(BUILD_DIR)/wxWidgets-3.1.6.tar.bz2:
 
 $(BUILD_DIR)/static-libs/include/wx-3.1/wx/wx.h: $(BUILD_DIR)/wxWidgets-3.1.6.tar.bz2
 	cd $(BUILD_DIR) && rm -Rf wxWidgets-3.1.6 && tar -xjf wxWidgets-3.1.6.tar.bz2
-	cd $(BUILD_DIR)/wxWidgets-3.1.6 && ./configure --with-gtk --with-opengl --prefix=$(BUILD_DIR)/static-libs --enable-unicode  --enable-optimise --disable-shared --x-includes=/usr/X11R6/include/ && $(MAKE) install
+	cd $(BUILD_DIR)/wxWidgets-3.1.6 && ./configure --with-gtk --with-opengl --disable-glcanvasegl --prefix=$(BUILD_DIR)/static-libs --enable-unicode  --enable-optimise --disable-shared --x-includes=/usr/X11R6/include/ && $(MAKE) install
 	rm -Rf $(BUILD_DIR)/wxWidgets-3.1.6
 
 ifneq ($(wxcryst),0)