Conditional signing macro

configure.py

@@ -193,7 +193,7 @@ def dist():
             z.extractall("innosetup")
 
     # Run
-    cs_flags = '"/Ssigntool=%s"' % signtool_path
+    cs_flags = '/DSKIP_SIGN=1'
     if args.code_sign_cert_path:
         cs_flags = '"/Ssigntool=%s sign /f %s /fd SHA1 /t http://timestamp.sectigo.com $f"' % (signtool_path, args.code_sign_cert_path)
     run("innosetup\\iscc /Qp " + cs_flags  + " \"innosetup.iss\"")

innosetup.iss

@@ -30,7 +30,9 @@ Compression=lzma
 SolidCompression=yes
 ArchitecturesAllowed=x64
 ArchitecturesInstallIn64BitMode=x64
+#ifndef SKIP_SIGN
 SignTool=signtool
+#endif
 PrivilegesRequired=lowest
 PrivilegesRequiredOverridesAllowed=commandline
 UsePreviousAppDir=no