Use the $< automatic variable.

That's the name of the first prerequisite.
2021-08-28 06:02:43 +02:00
parent 422a0d6054
commit eef3f4d3c1
1 changed files with 3 additions and 3 deletions
--- a/6
+++ b/6
@@ -122,14 +122,14 @@ raspi_4_bullseye.yaml: raspi_base_bullseye.yaml

 %.img.sha256: %.img
 	echo $@
-	sha256sum $(@:img.sha256=img) > $@
+	sha256sum $< > $@

 %.img.xz.sha256: %.img.xz
 	echo $@
-	sha256sum $(@:img.xz.sha256=img.xz) > $@
+	sha256sum $< > $@

 %.img.xz: %.img
-	xz -f -k -z -9 $(@:.xz=)
+	xz -f -k -z -9 $<

 %.img.bmap: %.img
 	bmaptool create -o $@ $<