Improve ZDOTDIR setting in Makefile

diff --git a/Makefile b/Makefile
index f59c91daf9d98b787958caafbce06373a66383e3..fc1e35da8b079d21a5e1e0289ad4a8db3225a031 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,8 @@
-export ZDOTDIR=${CURDIR}/tests/ZDOTDIR
+# Default, can be overridden using "make test ZDOTDIR=...".
+ZDOTDIR:=${CURDIR}/tests/ZDOTDIR
+
+# Export it, and make it absolute.
+override export ZDOTDIR:=$(abspath $(ZDOTDIR))
 
 test:
        cram --shell=zsh -v tests