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Home/ Questions/''make: nothing to be done for `all'.'' - What should I do?
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lonnycrooks
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lonnycrooks
Asked: July 14, 20222022-07-14T05:05:15+00:00 2022-07-14T05:05:15+00:00In: Error

”make: nothing to be done for `all’.” – What should I do?

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I am creating a make file by going through an eg pgm and then I get this error message:

desktop:~/eg_make_creation$ make all
make: Nothing to be done for `all'.

The following files can be found in my folder eg_make_creation ,

desktop:~/eg_make_creation$ ls
factorial.c  functions.h  hello  hello.c  main.c  Makefile

Makefile

# I am a comment, and I want to say that the variable CC will be
# the compiler to use.
CC=gcc
# Hwy!, I am comment no.2. I want to say that CFLAGS will be the
#options I'll pass to the compiler
CFLAGS=-c -Wall

all:hello

hello:main.o factorial.o hello.o
  $(CC) main.o factorial.o hello.o -o hello

main.o:main.c
  $(CC) $(CFLAGS) main.c

factorial.o:factorial.c
  $(CC) $(CFLAGS) factorial.c

hello.o:hello.c
  $(CC) $(CFLAGS) hello.c

clean:
  rm -rf *o hello

Please help me to solve this error.

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    hdtutoria Expert
    2022-07-14T05:08:04+00:00Added an answer on July 14, 2022 at 5:08 am

    The cause: Sometimes spaces rather than tabs before the command in the makefile rule can result in the “Nothing to be done for all” problem.

    Solution: Please make sure to replace any spaces in your rules with tabs.

    all:
    <\t>$(CC) $(CFLAGS) ...

    instead of

    all:
    $(CC) $(CFLAGS) ...
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