gentoo-overlay/sci-electronics/kicad/files/kicad-5.1.0-swig-4.0.0.patch

--- a/scripting/build_tools/fix_swig_imports.py	2019-04-22 23:14:54.000000000 +0200
+++ b/scripting/build_tools/fix_swig_imports.py	2019-07-18 15:44:24.255754237 +0200
@@ -40,6 +40,9 @@
 txt = b""
 
 for l in lines:
+    if l.startswith(b"if _swig_python_version_info < (2, 7, 0):"):     # ok with swig version >= 4.0.0
+        l = l.replace(b"_swig_python_version_info < (2, 7, 0)", b"False")
+        doneOk = True
     if l.startswith(b"if _swig_python_version_info >= (2, 7, 0):"):     # ok with swig version >= 3.0.10
         l = l.replace(b"_swig_python_version_info >= (2, 7, 0)", b"False")
         doneOk = True