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-rw-r--r--build/f_isoroot/cache.mk37
1 files changed, 37 insertions, 0 deletions
diff --git a/build/f_isoroot/cache.mk b/build/f_isoroot/cache.mk
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index 000000000..2df3b6bd1
--- /dev/null
+++ b/build/f_isoroot/cache.mk
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+##############################################################################
+# stefan.k.berg@ericsson.com
+# jonas.bjurel@ericsson.com
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+#############################################################################
+# Cache operations - only used when building through ci/build.sh
+#
+# This file is only meant for a top Makefile which is only calling its
+# own SUBDIRS, without building any cachable artifact by itself.
+#############################################################################
+
+# Call sub caches
+SUBGETCACHE = $(addsuffix .getcache,$(SUBDIRS))
+$(SUBGETCACHE): %.getcache:
+ $(MAKE) -C $* -f Makefile get-cache
+
+SUBPUTCACHE = $(addsuffix .putcache,$(SUBDIRS))
+$(SUBPUTCACHE): %.putcache:
+ $(MAKE) -C $* -f Makefile put-cache
+
+SUBCLEANCACHE = $(addsuffix .cleancache,$(SUBDIRS))
+$(SUBCLEANCACHE): %.cleancache:
+ $(MAKE) -C $* -f Makefile clean-cache
+
+.PHONY: get-cache
+get-cache: $(SUBGETCACHE)
+
+.PHONY: put-cache
+put-cache: $(SUBPUTCACHE)
+
+.PHONY: clean-cache
+clean-cache: $(SUBCLEANCACHE)