diff -rupN --no-dereference sip-4.19.21/siputils.py sip-4.19.21-new/siputils.py
--- sip-4.19.21/siputils.py	2020-01-29 16:36:39.000000000 +0100
+++ sip-4.19.21-new/siputils.py	2020-01-31 23:01:15.520561980 +0100
@@ -1473,7 +1473,7 @@ class ModuleMakefile(Makefile):
     """
     def __init__(self, configuration, build_file, install_dir=None, static=0,
                  console=0, qt=0, opengl=0, threaded=0, warnings=1, debug=0,
-                 dir=None, makefile="Makefile", installs=None, strip=1,
+                 dir=None, makefile="Makefile", installs=None, strip=0,
                  export_all=0, universal=None, arch=None,
                  deployment_target=None):
         """Initialise an instance of a module Makefile.
@@ -1784,7 +1784,7 @@ class SIPModuleMakefile(ModuleMakefile):
     """
     def __init__(self, configuration, build_file, install_dir=None, static=0,
                  console=0, qt=0, opengl=0, threaded=0, warnings=1, debug=0,
-                 dir=None, makefile="Makefile", installs=None, strip=1,
+                 dir=None, makefile="Makefile", installs=None, strip=0,
                  export_all=0, universal=None, arch=None, prot_is_public=0,
                  deployment_target=None):
         """Initialise an instance of a SIP generated module Makefile.