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-rw-r--r--build-aux/Makefile.each.tail/00-var.mk22
1 files changed, 22 insertions, 0 deletions
diff --git a/build-aux/Makefile.each.tail/00-var.mk b/build-aux/Makefile.each.tail/00-var.mk
new file mode 100644
index 0000000..c2fd9d7
--- /dev/null
+++ b/build-aux/Makefile.each.tail/00-var.mk
@@ -0,0 +1,22 @@
+# Copyright (C) 2016 Luke Shumaker
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+mod.var.depends += quote write-ifchanged
+
+$(outdir)/.var.%: _var.FORCE
+ @printf '%s' $(call quote.shell,$($*)) | sed 's/^/#/' | $(WRITE_IFCHANGED) $@
+-include $(wildcard $(outdir)/.var.*)
+
+at.targets += $(addprefix $(outdir)/,.var.%)