Build fix for "Avoid File::Find during IDL generation"

https://bugs.webkit.org/show_bug.cgi?id=261364
rdar://99146531

Unreviewed.

DumpRenderTree's DerivedSource Makefile now has multiple targets, so we
need to be careful to actually declare the "all" target first, since the
default target needs to generate everything.

* Tools/DumpRenderTree/DerivedSources.make:

Canonical link: https://commits.webkit.org/268606@main

Tools/DumpRenderTree/DerivedSources.make

@@ -59,20 +59,20 @@ SCRIPTS = \
 #
 
 IDL_ATTRIBUTES_FILE = $(WebCoreScripts)/IDLAttributes.json
-
 IDL_FILE_NAMES_LIST = IDLFileNamesList.txt
-$(IDL_FILE_NAMES_LIST) : $(UICONTEXT_INTERFACES:%=%.idl)
-	echo $^ | tr " " "\n" > $@
 
 .PHONY : all
 
-JS%.h JS%.cpp : %.idl $(SCRIPTS) $(IDL_ATTRIBUTES_FILE) $(IDL_FILE_NAMES_LIST) $(FEATURE_AND_PLATFORM_DEFINE_DEPENDENCIES)
-	@echo Generating bindings for $*...
-	$(PERL) -I $(WebCoreScripts) -I $(UISCRIPTCONTEXT_DIR) -I $(DumpRenderTree)/Bindings $(WebCoreScripts)/generate-bindings.pl --defines "$(FEATURE_AND_PLATFORM_DEFINES)" --idlFileNamesList $(IDL_FILE_NAMES_LIST)--outputDir . --generator DumpRenderTree --idlAttributesFile $(IDL_ATTRIBUTES_FILE) $<
-
 all : \
     $(UICONTEXT_INTERFACES:%=JS%.h) \
     $(UICONTEXT_INTERFACES:%=JS%.cpp) \
+
+$(IDL_FILE_NAMES_LIST) : $(UICONTEXT_INTERFACES:%=%.idl)
+	echo $^ | tr " " "\n" > $@
+
+JS%.h JS%.cpp : %.idl $(SCRIPTS) $(IDL_ATTRIBUTES_FILE) $(IDL_FILE_NAMES_LIST) $(FEATURE_AND_PLATFORM_DEFINE_DEPENDENCIES)
+	@echo Generating bindings for $*...
+	$(PERL) -I $(WebCoreScripts) -I $(UISCRIPTCONTEXT_DIR) -I $(DumpRenderTree)/Bindings $(WebCoreScripts)/generate-bindings.pl --defines "$(FEATURE_AND_PLATFORM_DEFINES)" --idlFileNamesList $(IDL_FILE_NAMES_LIST) --outputDir . --generator DumpRenderTree --idlAttributesFile $(IDL_ATTRIBUTES_FILE) $<
 #