From c7acf4bf2a2d31494b0dd5819c1a621c2492ce7c Mon Sep 17 00:00:00 2001
From: tv <tv@shackspace.de>
Date: Sun, 19 Jul 2015 11:50:54 +0200
Subject: Makefile: make systems='foo bar...'

---
 Makefile | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index b31eddd0..7225a5d6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,22 @@
-ifndef system
-$(error unbound variable: system)
-else
-include 0make/$(LOGNAME)/$(system).makefile
+#
+# usage:
+#		make system=foo
+#		make systems='foo bar'
+#
+
 .ONESHELL:
 .SHELLFLAGS := -eufc
+
+ifdef systems
+$(systems):
+	parallel \
+		--line-buffer \
+		-j0 \
+		--no-notice \
+		--tagstring {} \
+		-q make systems= system={} ::: $(systems)
+else ifdef system
+include 0make/$(LOGNAME)/$(system).makefile
 .PHONY: deploy
 deploy:;@
 	system_name=$(system)
@@ -69,4 +82,6 @@ deploy:;@
 
 		result/bin/switch-to-configuration switch
 	EOF
+else
+$(error unbound variable: system[s])
 endif
-- 
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