If bundle-rust-sources is from PATH, don't make it a dependency

Otherwise make complains that it can't build it.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/Makefile b/Makefile
index ba478881652a57369c20fe2d346c499c016884ef..53a75bf48dc6f0933c70b554d4cca32897112517 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -188,7 +188,7 @@ bundled-sources:: $(addprefix bundled-sources/, $(BUNDLED_SOURCES_DIRS))
 TARGET_BUNDLED=$(TARGET_DIR)/bundled-sources
 
 $(addprefix bundled-sources/, $(BUNDLED_SOURCES_DIRS)): \
-bundled-sources/%: $(BUNDLE_SOURCES)
+bundled-sources/%: $(wildcard $(BUNDLE_SOURCES))
        set -e; d=$(abspath $(TARGET_BUNDLED)); \
        $(NAILING_CARGO_JUST_RUN) mkdir -p $$d; \
        $(if $(filter-out otter,$*), cd ../$*;) \