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authorThomas De Schampheleire <>2012-06-21 19:34:49 (GMT)
committer Peter Korsgaard <>2012-06-23 21:14:56 (GMT)
commit75f18de67e7bc7f1feb360eb4201a3c6d6773698 (patch)
parentf86391fc07731c26d96acec5f1d082378f9e494d (diff)
buildroot-75f18de67e7bc7f1feb360eb4201a3c6d6773698.tar.bz2 add utility functions find*clauses and notfirstword
This patch adds a few utility functions to Functions finddirclauses and findfileclauses help in building a find command that skips a set of directories and performs operations on a set of files. This pattern can for example be used to keep certain files or directories from being stripped, or to remove certain files from a package installation. The notfirstword function is the inverse of the 'firstword' function in make: it returns all but the first word. Signed-off-by: Thomas De Schampheleire <> Acked-by: Arnout Vandecappelle (Essensium/Mind) <> Signed-off-by: Peter Korsgaard <>
1 files changed, 9 insertions, 0 deletions
diff --git a/package/ b/package/
index 953dbc9..0c55a9d 100644
--- a/package/
+++ b/package/
@@ -76,6 +76,15 @@ MESSAGE = echo "$(TERM_BOLD)>>> $($(PKG)_NAME) $($(PKG)_VERSION) $(1)$(TERM_RESE
TERM_BOLD := $(shell tput smso)
TERM_RESET := $(shell tput rmso)
+# Utility functions for 'find'
+# findfileclauses(filelist) => -name 'X' -o -name 'Y'
+findfileclauses = $(call notfirstword,$(patsubst %,-o -name '%',$(1)))
+# finddirclauses(base, dirlist) => -path 'base/dirX' -o -path 'base/dirY'
+finddirclauses = $(call notfirstword,$(patsubst %,-o -path '$(1)/%',$(2)))
+# Miscellaneous utility functions
+# notfirstword(wordlist): returns all but the first word in wordlist
+notfirstword = $(wordlist 2,$(words $(1)),$(1))
# Needed for the foreach loops to loop over the list of hooks, so that
# each hook call is properly separated by a newline.