Makefile: download live-only sources just for ISO_LIVEUSB

When building not for ISO_LIVEUSB, the sources are not downloaded.
Liveusb build is broken anyway, but the upstream mirror is gone.

(cherry picked from commit 7b424ec65f)

Makefile

@@ -81,8 +81,10 @@ clean-repos:
 clean:
 	sudo rm -fr build/*
 
+ifeq ($(ISO_LIVEUSB),1)
 get-sources:
 	$(MAKE) -C livecd-tools get-sources
 
 verify-sources:
 	$(MAKE) -C livecd-tools verify-sources
+endif

Makefile.builder

@@ -7,8 +7,15 @@ RPM_SPEC_FILES.dom0 := \
     initial-setup-launcher/initial-setup-launcher.spec \
     qubes-anaconda-addon/qubes-anaconda-addon.spec \
     qubes-release/qubes-release.spec \
-    qubes-release/qubes-dom0-dist-upgrade.spec \
+    qubes-release/qubes-dom0-dist-upgrade.spec
+
+ifeq ($(ISO_LIVEUSB),1)
+RPM_SPEC_FILES.dom0 += \
     livecd-tools/livecd-tools.spec \
-    live/qubes-live.spec
+	live/qubes-live.spec
+endif
 
 RPM_SPEC_FILES := $(RPM_SPEC_FILES.$(PACKAGE_SET))
+
+
+# vim: ft=make