SConstruct : Sanitise commandEnv environment variables

Otherwise the `RENDERMAN_ROOT` "" default turns into `RMANTREE = ""`, which leads to errors in the documentation build as we try to import GafferRenderMan.
GafferHQ · Feb 28, 2025 · 1f2c23b · 1f2c23b
1 parent 7b47e54
commit 1f2c23b
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/SConstruct b/SConstruct
@@ -788,7 +788,8 @@ for option, envVar in {
 	"ONNX_ROOT" : "ONNX_ROOT",
 	"RENDERMAN_ROOT" : "RMANTREE",
 }.items() :
-	commandEnv["ENV"][envVar] = commandEnv[option]
+	if commandEnv[option] != "" :
+		commandEnv["ENV"][envVar] = commandEnv[option]
 
 def runCommand( command ) :