build: Mark files generated by lopsub as precious.

[osl.git] / Makefile

diff --git a/Makefile b/Makefile
index a55273844f9106911dc032a928b7bea7ad732cfa..a993946050cf437aba448c8ba4db646a543f0980 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -84,6 +84,7 @@ fsck.o: oslfsck.lsg.h
 oslfsck: $(fsck_objects)
        $(CC) -o $@ $(fsck_objects) $(LDFLAGS) -llopsub
 
+.PRECIOUS: %.lsg.h %.lsg.c
 %.lsg.c: %.suite
        lopsubgen --gen-c < $<