From 155971e08fb51a7e385d13c649a5651cf261f41b Mon Sep 17 00:00:00 2001
From: Peter Korsgaard
Date: Tue, 4 Mar 2008 12:19:16 +0000
Subject: buildroot: add external-deps target

Add external-deps target to show what external files are needed to recreate
the build.
---
 Makefile                             | 5 +++++
 toolchain/wget-show-external-deps.sh | 6 ++++++
 2 files changed, 11 insertions(+)
 create mode 100755 toolchain/wget-show-external-deps.sh

diff --git a/Makefile b/Makefile
index 5ebf75eae..96436ef51 100644
--- a/Makefile
+++ b/Makefile
@@ -322,6 +322,10 @@ source: $(TARGETS_SOURCE) $(HOST_SOURCE)
 _source-check:
 	$(MAKE) SPIDER=--spider source
 
+external-deps:
+	@$(MAKE) -Bs BR2_WGET=$(TOPDIR)toolchain/wget-show-external-deps.sh \
+	source
+
 #############################################################
 #
 # Cleanup and misc junk
@@ -461,6 +465,7 @@ help:
 	@echo 'Miscellaneous:'
 	@echo '  source                 - download all sources needed for offline-build'
 	@echo '  source-check           - check all packages for valid download URLs'
+	@echo '  external-deps          - list external packages used'
 	@echo
 	@echo 'See docs/README and docs/buildroot.html for further details'
 	@echo
diff --git a/toolchain/wget-show-external-deps.sh b/toolchain/wget-show-external-deps.sh
new file mode 100755
index 000000000..20071c05f
--- /dev/null
+++ b/toolchain/wget-show-external-deps.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+#
+# replacement for wget (see BR2_WGET) which simply shows the file name to be
+# downloaded. Used by the external-deps make target.
+
+exec basename ${!#}
\ No newline at end of file
-- 
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