+--- FRAMEWAVE_1.3.1_SRC/BuildTools/buildscripts/fwbuild.py.orig 2020-08-16 21:42:10.972877391 +0200
++++ FRAMEWAVE_1.3.1_SRC/BuildTools/buildscripts/fwbuild.py 2020-08-21 22:07:28.111946704 +0200
+@@ -114,7 +114,7 @@
+ self.oEnv['FWVARS'] = self.dctFwVars # in case of changes to the internal dictionary\r
+ oProject = self.oEnv.SConscript( join( pthProjectDir, sProjectName+'.sconscript' ),\\r
+ src_dir = pthProjectDir,\\r
+- build_dir = pthBuildDir,\\r
++ variant_dir = pthBuildDir,\\r
+ duplicate = 0 )\r
+ if lstDependencies != None:\r
+ for dep in lstDependencies:\r