usb_webcam: fix build.

src/add-ons/media/media-add-ons/usb_webcam/Jamfile

@@ -14,10 +14,6 @@ if $(TARGET_PLATFORM_HAIKU_COMPATIBLE) {
 }
 
 
-local architectureObject ;
-for architectureObject in [ MultiArchSubDirSetup ] {
-	on $(architectureObject) {
-
 # source directories
 local sourceDirs =
 	addons/quickcam
@@ -28,6 +24,7 @@ for architectureObject in [ MultiArchSubDirSetup ] {
 	sensors
 ;
 
+
 local sourceDir ;
 for sourceDir in $(sourceDirs) {
 	SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src add-ons media media-add-ons
@@ -59,6 +56,7 @@ for architectureObject in [ MultiArchSubDirSetup ] {
 	tas5130d1b.cpp
 ;
 
+
 ## how to build header files from sources to include the list of built-in addons
 
 rule USBWebcamHeaderGen header : macro : sources
@@ -75,11 +73,13 @@ for architectureObject in [ MultiArchSubDirSetup ] {
 	LocalClean clean : $(header) ;
 }
 
+
 actions USBWebcamHeaderGen1
 {
 	grep -h -a $(GREP_DEFINE) $(2) > $(1) ;
 }
 
+
 USBWebcamHeaderGen CamInternalAddons.h : B_WEBCAM_MKINTFUNC
 	: $(addonSources) ;
 USBWebcamHeaderGen CamInternalSensors.h : B_WEBCAM_DECLARE_SENSOR
@@ -87,6 +87,16 @@ for architectureObject in [ MultiArchSubDirSetup ] {
 USBWebcamHeaderGen CamInternalColorSpaceTransforms.h
 	: B_WEBCAM_DECLARE_CSTRANSFORM : $(csTransformsSources) ;
 
+
+local architectureObject ;
+for architectureObject in [ MultiArchSubDirSetup ] {
+	on $(architectureObject) {
+
+		for sourceDir in $(sourceDirs) {
+			SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src add-ons media
+				media-add-ons usb_webcam $(sourceDir) ] ;
+		}
+
 		Addon [ MultiArchDefaultGristFiles usb_webcam.media_addon ] :
 			$(addonSources)
 			$(csTransformsSources)
@@ -107,6 +117,7 @@ for architectureObject in [ MultiArchSubDirSetup ] {
 	}
 }
 
+
 # force dependancies
 Includes [ FGristFiles CamRoster.cpp ] : [ FGristFiles CamInternalAddons.h ] ;
 Includes [ FGristFiles CamDevice.cpp ] : [ FGristFiles CamInternalSensors.h ] ;