Author: B Stack
Source: Original research
Date: 2020-08-31
Message: Main patch to compile on Devuan using GTK3.
diff -x '*.swp' -x '.git*' -x '*.orig' -x '*.rej' -Naur 10.18-0/FreeFileSync/Source/Makefile 10.18-1/FreeFileSync/Source/Makefile
--- 10.11-0/FreeFileSync/Source/Makefile	2019-04-12 08:05:57.000000000 -0400
+++ 10.18-1/FreeFileSync/Source/Makefile	2019-11-21 09:42:57.408243242 -0500
@@ -16,9 +16,10 @@
 cxxFlags  += `pkg-config --cflags libssh2`
 linkFlags += `pkg-config --libs   libssh2`
 
-cxxFlags  += `pkg-config --cflags gtk+-2.0`
+cxxFlags  += `pkg-config --cflags gtk+-3.0`
+linkFlags += `pkg-config --libs   gtk+-3.0`
 #treat as system headers so that warnings are hidden:
-cxxFlags  += -isystem/usr/include/gtk-2.0
+cxxFlags  += -isystem/usr/include/gtk-3.0
 
 #support for SELinux (optional)
 SELINUX_EXISTING=$(shell pkg-config --exists libselinux && echo YES)
diff -x '*.rej' -x '*.orig' -x '*.git*' -Naur 10.24-0/FreeFileSync/Source/RealTimeSync/Makefile 10.24-1/FreeFileSync/Source/RealTimeSync/Makefile
--- 10.24-0/FreeFileSync/Source/RealTimeSync/Makefile	2020-05-17 18:30:59.289498093 -0400
+++ 10.24-1/FreeFileSync/Source/RealTimeSync/Makefile	2020-05-17 19:32:59.791394275 -0400
@@ -7,9 +7,10 @@
 linkFlags += -s -no-pie `wx-config --libs std, aui, richtext --debug=no` -lz -pthread
 
 #Gtk - support "no button border"
-cxxFlags  += `pkg-config --cflags gtk+-2.0`
+cxxFlags  += `pkg-config --cflags gtk+-3.0`
+linkFlags += `pkg-config --libs   gtk+-3.0`
 #treat as system headers so that warnings are hidden:
-cxxFlags  += -isystem/usr/include/gtk-2.0
+cxxFlags  += -isystem/usr/include/gtk-3.0
 
 cppFiles=
 cppFiles+=application.cpp