makefile:4: *** missing separator. Stop
This is my makefile:
all:ll
ll:ll.c
gcc -c -Wall -Werror -02 c.c ll.c -o ll $@ $<
clean :
rm -fr ll
When I try to make clean or make make , I get this error:
:makefile:4: *** missing separator. Stop.
How can I fix it?
makefile has a very stupid relation with tabs , all actions of every rule are identified by tabs ...... and No 4 spaces dont make a tab , only a tab makes a tab...
to check i use the command cat -e -t -v makefile_name
it shows the presence of tabs with ^I and line endings with $ both are vital to ensure that dependencies end properly and tabs mark the action for the rules so that they are easily identifiable to the make utility.....
example :
Kaizen ~/so_test $ cat -e -t -v mk.t
all:ll$ ## here the $ is end of line ...
$
ll:ll.c $
^Igcc -c -Wall -Werror -02 c.c ll.c -o ll $@ $<$
## the ^I above means a tab was there before the action part, so this line is ok .
$
clean :$
rm -fr ll$
## see here there is no ^I which means , tab is not present ....
## in this case you need to open the file again and edit/ensure a tab
## starts the action part
hope this helps !!
You should always write command after a "tab" and not white space.
This applies to "gcc" line (line #4) in your case. You need to insert tab before gcc.
Also replace rm -fr ll with "rm -fr ll". Insert tabs before this command too
在VS Code上，只需点击直角上的“Space：4”，并在编辑Makefile时将其更改为Tab。
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