问带有子目录的gmake

EN

gcc -o hello main.o display.o  
/usr/bin/ld: cannot find main.o: No such file or directory
/usr/bin/ld: cannot find display.o: No such file or directory
collect2: error: ld returned 1 exit status
make: *** [makefile4:13: hello] Error 1

.SUFFIXES:

OBJECTS=main.o display.o
BINARY=hello
CC=gcc
CFLAGS_ALL=$(CFLAGS) -Iinclude -std=c17 -Wall -Wextra -Wpedantic

.PHONY: all
all: $(BINARY)

hello: $(OBJECTS)
        $(CC) -o $(BINARY) $(OBJECTS) $(LDFLAGS) $(LIBRARIES)

main.o: src/main.c include/display.h
display.o: src/display.c include/display.h

.SUFFIXES: .o .c

.c.o:
        $(CC) $(CFLAGS_ALL) -o $@ -c $<

.PHONY: clean
clean:
        rm -rf $(OBJECTS) $(BINARY) $(DOCS)

GNU Make 4.3
Built for x86_64-pc-linux-gnu
Copyright (C) 1988-2020 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Reading makefiles...
Reading makefile 'makefile4'...
Updating makefiles....
 Considering target file 'makefile4'.
  Looking for an implicit rule for 'makefile4'.
  Trying pattern rule with stem 'makefile4'.
  Trying implicit prerequisite 'makefile4.o'.
  Trying pattern rule with stem 'makefile4'.
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  Trying pattern rule with stem 'makefile4'.
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  Trying pattern rule with stem 'makefile4'.
  Trying implicit prerequisite 'RCS/makefile4,v'.
  Trying pattern rule with stem 'makefile4'.
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  Trying pattern rule with stem 'makefile4'.
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  Trying pattern rule with stem 'makefile4'.
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  Trying pattern rule with stem 'makefile4'.
  Trying implicit prerequisite 'makefile4.o'.
  Looking for a rule with intermediate file 'makefile4.o'.
   Avoiding implicit rule recursion.
   Trying pattern rule with stem 'makefile4'.
   Trying implicit prerequisite 'makefile4.c'.
   Trying pattern rule with stem 'makefile4.o'.
   Trying implicit prerequisite 'makefile4.o,v'.
   Trying pattern rule with stem 'makefile4.o'.
   Trying implicit prerequisite 'RCS/makefile4.o,v'.
   Trying pattern rule with stem 'makefile4.o'.
   Trying implicit prerequisite 'RCS/makefile4.o'.
   Trying pattern rule with stem 'makefile4.o'.
   Trying implicit prerequisite 's.makefile4.o'.
   Trying pattern rule with stem 'makefile4.o'.
   Trying implicit prerequisite 'SCCS/s.makefile4.o'.
   Trying pattern rule with stem 'makefile4'.
   Trying implicit prerequisite 'makefile4.c'.
   Looking for a rule with intermediate file 'makefile4.c'.
    Avoiding implicit rule recursion.
    Avoiding implicit rule recursion.
    Trying pattern rule with stem 'makefile4'.
    Trying implicit prerequisite 'makefile4.w'.
    Trying pattern rule with stem 'makefile4.c'.
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    Trying pattern rule with stem 'makefile4.c'.
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    Trying pattern rule with stem 'makefile4.c'.
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    Trying pattern rule with stem 'makefile4'.
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    Looking for a rule with intermediate file 'makefile4.w'.
     Avoiding implicit rule recursion.
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     Trying pattern rule with stem 'makefile4.w'.
     Trying implicit prerequisite 'makefile4.w,v'.
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     Trying implicit prerequisite 'RCS/makefile4.w,v'.
     Trying pattern rule with stem 'makefile4.w'.
     Trying implicit prerequisite 'RCS/makefile4.w'.
     Trying pattern rule with stem 'makefile4.w'.
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     Trying pattern rule with stem 'makefile4.w'.
     Trying implicit prerequisite 'SCCS/s.makefile4.w'.
  Trying pattern rule with stem 'makefile4'.
  Rejecting impossible implicit prerequisite 'makefile4.c'.
  No implicit rule found for 'makefile4'.
  Finished prerequisites of target file 'makefile4'.
 No need to remake target 'makefile4'.
Updating goal targets....
Considering target file 'all'.
 File 'all' does not exist.
  Considering target file 'hello'.
   File 'hello' does not exist.
    Considering target file 'main.o'.
     File 'main.o' does not exist.
     Looking for an implicit rule for 'main.o'.
     Trying pattern rule with stem 'main'.
     Trying implicit prerequisite 'main.c'.
     Trying pattern rule with stem 'main.o'.
     Trying implicit prerequisite 'main.o,v'.
     Trying pattern rule with stem 'main.o'.
     Trying implicit prerequisite 'RCS/main.o,v'.
     Trying pattern rule with stem 'main.o'.
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     Trying implicit prerequisite 's.main.o'.
     Trying pattern rule with stem 'main.o'.
     Trying implicit prerequisite 'SCCS/s.main.o'.
     Trying pattern rule with stem 'main'.
     Trying implicit prerequisite 'main.c'.
     Looking for a rule with intermediate file 'main.c'.
      Avoiding implicit rule recursion.
      Trying pattern rule with stem 'main'.
      Trying implicit prerequisite 'main.w'.
      Trying pattern rule with stem 'main.c'.
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      Trying pattern rule with stem 'main.c'.
      Trying implicit prerequisite 'SCCS/s.main.c'.
      Trying pattern rule with stem 'main'.
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      Looking for a rule with intermediate file 'main.w'.
       Avoiding implicit rule recursion.
       Avoiding implicit rule recursion.
       Trying pattern rule with stem 'main.w'.
       Trying implicit prerequisite 'main.w,v'.
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       Trying pattern rule with stem 'main.w'.
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       Trying pattern rule with stem 'main.w'.
       Trying implicit prerequisite 'SCCS/s.main.w'.
     No implicit rule found for 'main.o'.
      Considering target file 'src/main.c'.
       Looking for an implicit rule for 'src/main.c'.
       Trying pattern rule with stem 'main'.
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       Trying implicit prerequisite 'src/main.w'.
       Looking for a rule with intermediate file 'src/main.w'.
        Avoiding implicit rule recursion.
        Trying pattern rule with stem 'main.w'.
        Trying implicit prerequisite 'src/main.w,v'.
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       No implicit rule found for 'src/main.c'.
       Finished prerequisites of target file 'src/main.c'.
      No need to remake target 'src/main.c'.
      Considering target file 'include/display.h'.
       Looking for an implicit rule for 'include/display.h'.
       Trying pattern rule with stem 'display.h'.
       Trying implicit prerequisite 'include/display.h.o'.
       Trying pattern rule with stem 'display.h'.
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       Trying pattern rule with stem 'display.h'.
       Trying implicit prerequisite 'include/SCCS/s.display.h'.
       Trying pattern rule with stem 'display.h'.
       Trying implicit prerequisite 'include/display.h.o'.
       Looking for a rule with intermediate file 'include/display.h.o'.
        Avoiding implicit rule recursion.
        Trying pattern rule with stem 'display.h'.
        Trying implicit prerequisite 'include/display.h.c'.
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        Trying implicit prerequisite 'include/RCS/display.h.o,v'.
        Trying pattern rule with stem 'display.h.o'.
        Trying implicit prerequisite 'include/RCS/display.h.o'.
        Trying pattern rule with stem 'display.h.o'.
        Trying implicit prerequisite 'include/s.display.h.o'.
        Trying pattern rule with stem 'display.h.o'.
        Trying implicit prerequisite 'include/SCCS/s.display.h.o'.
        Trying pattern rule with stem 'display.h'.
        Trying implicit prerequisite 'include/display.h.c'.
        Looking for a rule with intermediate file 'include/display.h.c'.
         Avoiding implicit rule recursion.
         Avoiding implicit rule recursion.
         Trying pattern rule with stem 'display.h'.
         Trying implicit prerequisite 'include/display.h.w'.
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         Trying pattern rule with stem 'display.h.c'.
         Trying implicit prerequisite 'include/RCS/display.h.c'.
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         Trying pattern rule with stem 'display.h.c'.
         Trying implicit prerequisite 'include/SCCS/s.display.h.c'.
         Trying pattern rule with stem 'display.h'.
         Trying implicit prerequisite 'include/display.h.w'.
         Looking for a rule with intermediate file 'include/display.h.w'.
          Avoiding implicit rule recursion.
          Avoiding implicit rule recursion.
          Avoiding implicit rule recursion.
          Trying pattern rule with stem 'display.h.w'.
          Trying implicit prerequisite 'include/display.h.w,v'.
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          Trying implicit prerequisite 'include/RCS/display.h.w,v'.
          Trying pattern rule with stem 'display.h.w'.
          Trying implicit prerequisite 'include/RCS/display.h.w'.
          Trying pattern rule with stem 'display.h.w'.
          Trying implicit prerequisite 'include/s.display.h.w'.
          Trying pattern rule with stem 'display.h.w'.
          Trying implicit prerequisite 'include/SCCS/s.display.h.w'.
       Trying pattern rule with stem 'display.h'.
       Rejecting impossible implicit prerequisite 'include/display.h.c'.
       No implicit rule found for 'include/display.h'.
       Finished prerequisites of target file 'include/display.h'.
      No need to remake target 'include/display.h'.
     Finished prerequisites of target file 'main.o'.
    Must remake target 'main.o'.
    Successfully remade target file 'main.o'.
    Considering target file 'display.o'.
     File 'display.o' does not exist.
     Looking for an implicit rule for 'display.o'.
     Trying pattern rule with stem 'display'.
     Trying implicit prerequisite 'display.c'.
     Trying pattern rule with stem 'display.o'.
     Trying implicit prerequisite 'display.o,v'.
     Trying pattern rule with stem 'display.o'.
     Trying implicit prerequisite 'RCS/display.o,v'.
     Trying pattern rule with stem 'display.o'.
     Trying implicit prerequisite 'RCS/display.o'.
     Trying pattern rule with stem 'display.o'.
     Trying implicit prerequisite 's.display.o'.
     Trying pattern rule with stem 'display.o'.
     Trying implicit prerequisite 'SCCS/s.display.o'.
     Trying pattern rule with stem 'display'.
     Trying implicit prerequisite 'display.c'.
     Looking for a rule with intermediate file 'display.c'.
      Avoiding implicit rule recursion.
      Trying pattern rule with stem 'display'.
      Trying implicit prerequisite 'display.w'.
      Trying pattern rule with stem 'display.c'.
      Trying implicit prerequisite 'display.c,v'.
      Trying pattern rule with stem 'display.c'.
      Trying implicit prerequisite 'RCS/display.c,v'.
      Trying pattern rule with stem 'display.c'.
      Trying implicit prerequisite 'RCS/display.c'.
      Trying pattern rule with stem 'display.c'.
      Trying implicit prerequisite 's.display.c'.
      Trying pattern rule with stem 'display.c'.
      Trying implicit prerequisite 'SCCS/s.display.c'.
      Trying pattern rule with stem 'display'.
      Trying implicit prerequisite 'display.w'.
      Looking for a rule with intermediate file 'display.w'.
       Avoiding implicit rule recursion.
       Avoiding implicit rule recursion.
       Trying pattern rule with stem 'display.w'.
       Trying implicit prerequisite 'display.w,v'.
       Trying pattern rule with stem 'display.w'.
       Trying implicit prerequisite 'RCS/display.w,v'.
       Trying pattern rule with stem 'display.w'.
       Trying implicit prerequisite 'RCS/display.w'.
       Trying pattern rule with stem 'display.w'.
       Trying implicit prerequisite 's.display.w'.
       Trying pattern rule with stem 'display.w'.
       Trying implicit prerequisite 'SCCS/s.display.w'.
     No implicit rule found for 'display.o'.
      Considering target file 'src/display.c'.
       Looking for an implicit rule for 'src/display.c'.
       Trying pattern rule with stem 'display'.
       Trying implicit prerequisite 'src/display.w'.
       Trying pattern rule with stem 'display.c'.
       Trying implicit prerequisite 'src/display.c,v'.
       Trying pattern rule with stem 'display.c'.
       Trying implicit prerequisite 'src/RCS/display.c,v'.
       Trying pattern rule with stem 'display.c'.
       Trying implicit prerequisite 'src/RCS/display.c'.
       Trying pattern rule with stem 'display.c'.
       Trying implicit prerequisite 'src/s.display.c'.
       Trying pattern rule with stem 'display.c'.
       Trying implicit prerequisite 'src/SCCS/s.display.c'.
       Trying pattern rule with stem 'display'.
       Trying implicit prerequisite 'src/display.w'.
       Looking for a rule with intermediate file 'src/display.w'.
        Avoiding implicit rule recursion.
        Trying pattern rule with stem 'display.w'.
        Trying implicit prerequisite 'src/display.w,v'.
        Trying pattern rule with stem 'display.w'.
        Trying implicit prerequisite 'src/RCS/display.w,v'.
        Trying pattern rule with stem 'display.w'.
        Trying implicit prerequisite 'src/RCS/display.w'.
        Trying pattern rule with stem 'display.w'.
        Trying implicit prerequisite 'src/s.display.w'.
        Trying pattern rule with stem 'display.w'.
        Trying implicit prerequisite 'src/SCCS/s.display.w'.
       No implicit rule found for 'src/display.c'.
       Finished prerequisites of target file 'src/display.c'.
      No need to remake target 'src/display.c'.
      Pruning file 'include/display.h'.
     Finished prerequisites of target file 'display.o'.
    Must remake target 'display.o'.
    Successfully remade target file 'display.o'.
   Finished prerequisites of target file 'hello'.
  Must remake target 'hello'.
gcc -o hello main.o display.o  
Putting child 0x55f5c3999ea0 (hello) PID 167980 on the chain.
Live child 0x55f5c3999ea0 (hello) PID 167980 
/usr/bin/ld: cannot find main.o: No such file or directory
/usr/bin/ld: cannot find display.o: No such file or directory
collect2: error: ld returned 1 exit status
Reaping losing child 0x55f5c3999ea0 PID 167980 
make: *** [makefile4:15: hello] Error 1
Removing child 0x55f5c3999ea0 PID 167980 from chain.