Add utility function find-files-in-subdirs
find-files-in-subdirs uses utility find to find given files in the given
subdirs. This function uses $(1), instead of LOCAL_PATH as the base.
Change-Id: Ib76631c97acd257d651a580cbad767606874f5d0
(cherry picked from commit 85898bca9969ec30c746cc852394bbae0195edbc)
diff --git a/core/definitions.mk b/core/definitions.mk
index 290bb2f..e1eb9f1 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -342,6 +342,22 @@
endef
###########################################################
+# Use utility find to find given files in the given subdirs.
+# This function uses $(1), instead of LOCAL_PATH as the base.
+# $(1): the base dir, relative to the root of the source tree.
+# $(2): the file name pattern to be passed to find as "-name".
+# $(3): a list of subdirs of the base dir.
+# Returns: a list of paths relative to the base dir.
+###########################################################
+
+define find-files-in-subdirs
+$(patsubst ./%,%, \
+ $(shell cd $(1) ; \
+ find -L $(3) -name $(2) -and -not -name ".*") \
+ )
+endef
+
+###########################################################
## Scan through each directory of $(1) looking for files
## that match $(2) using $(wildcard). Useful for seeing if
## a given directory or one of its parents contains
