1#Extra space at the end of the following file name
 2include incl.mk    
 3all: ; @echo There should be no errors for this makefile.
 4
 5-include nonexistent.mk
 6-include nonexistent.mk
 7sinclude nonexistent.mk
 8sinclude nonexistent-2.mk
 9-include makeit.mk
10sinclude makeit.mk
11
12error: makeit.mk