Makefile | 16 +++++++++++-----

diff --git a/Makefile b/Makefile
index b16479587364877314ce59c0ed9be4916101c9a6..0ffe150a521014dcf2cbfc706fd7fbdbd8736800 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,17 @@
 .PHONY: itest test
 
+test:
+	ZDOTDIR="${PWD}/tests" cram --shell=zsh -v tests
+
 itest:
 	ZDOTDIR="${PWD}/tests" cram -i --shell=zsh tests
 
-test:
-	ZDOTDIR="${PWD}/tests" cram --shell=zsh tests
+# Define targets for test files, with relative and abolute path.
+# Use verbose output, which is useful with Vim's 'errorformat'.
+TESTS:=$(wildcard tests/*.t)
 
-tests/*.t:
-	ZDOTDIR="${PWD}/tests" cram --shell=zsh $@
-.PHONY: tests/*.t
+uniq = $(if $1,$(firstword $1) $(call uniq,$(filter-out $(firstword $1),$1)))
+_TESTS_REL_AND_ABS:=$(call uniq,$(abspath $(TESTS)) $(TESTS))
+$(_TESTS_REL_AND_ABS):
+	ZDOTDIR="${PWD}/tests" cram --shell=zsh -v $@
+.PHONY: $(_TESTS_REL_AND_ABS)