From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yann E. MORIN Date: Sun, 7 Apr 2019 13:51:20 +0200 Subject: [Buildroot] [PATCH 05/10] infra/utils: add helper to generate comma-separated lists In-Reply-To: References: Message-ID: <429526964a369072244a0f2f5f4e99eff58220b7.1554637858.git.yann.morin.1998@free.fr> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Add a helper macro that, from a space-separated list of items, returns a comma-separated list of the quoted items. This will be usefull when we need to generate lists in JSON, later... Code suggested by Thomas P. Signed-off-by: "Yann E. MORIN" Cc: Thomas De Schampheleire Cc: Thomas Petazzoni Cc: Arnout Vandecappelle --- support/misc/utils.mk | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/support/misc/utils.mk b/support/misc/utils.mk index c44319338e..0903679e62 100644 --- a/support/misc/utils.mk +++ b/support/misc/utils.mk @@ -70,6 +70,10 @@ finddirclauses = $(call notfirstword,$(patsubst %,-o -path '$(1)/%',$(2))) # notfirstword(wordlist): returns all but the first word in wordlist notfirstword = $(wordlist 2,$(words $(1)),$(1)) +# build a comma-separated list of quoted items, from a space-separated +# list of unquoted items: a b c d --> "a", "b", "c", "d" +make-comma-list = $(subst $(space),$(comma) ,$(patsubst %,"%",$(strip $(1)))) + # Needed for the foreach loops to loop over the list of hooks, so that # each hook call is properly separated by a newline. define sep -- 2.14.1