[bug #62118] Fix parsing of command line options -f, --file, --makefile.

[Dmitry Goncharov]

URL:
  <https://savannah.gnu.org/bugs/?62118>

                 Summary: Fix parsing of command line options -f, --file,
--makefile.
                 Project: make
            Submitted by: dgoncharov
            Submitted on: Sat 26 Feb 2022 04:52:59 PM UTC
                Severity: 3 - Normal
              Item Group: Bug
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
       Component Version: SCM
        Operating System: None
           Fixed Release: None
           Triage Status: None

    _______________________________________________________

Details:

Make fails to parse command line options -f, --file, --makefile when there is
a makefile that updates itself and also makefile read from stdin with -f
combined with other options.

++++
$ cat makefile
def:;echo hello world
  
ifeq ($(flavor $(MAKE_RESTARTS)), undefined)
makefile: force
        $(info updating makefile)
        touch makefile
  
force:
endif
$ printf 'all:; $(info all)' | make --debug=b -Rf- -f makefile def
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...
Updating makefiles....
updating makefile
touch makefile
Re-executing[1]: make --debug=b -Rf- -f /tmp/GmtbheQ7 def -o/tmp/GmtbheQ7
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...
Updating makefiles....
Updating goal targets....
 File 'def' does not exist.
Must remake target 'def'.
make: *** No rule to make target 'def'.  Stop.
$
----

Notice
++++
Re-executing[1]: make --debug=b -Rf- -f /tmp/GmtbheQ7 def -o/tmp/GmtbheQ7
----

Should be
++++
Re-executing[1]: make --debug=b -Rf/tmp/GmuF8N7n -f makefile def
-o/tmp/GmuF8N7n
----

With the patch applied
++++
$ printf 'all:; $(info all)' | make --debug=b -Rf- -f makefile def
GNU Make 4.3.90
Built for x86_64-pc-linux-gnu
Copyright (C) 1988-2020 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<https://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...
Updating makefiles....
updating makefile
touch makefile
Re-executing[1]: make --debug=b -Rf/tmp/GmuF8N7n -f makefile def
-o/tmp/GmuF8N7n
GNU Make 4.3.90
Built for x86_64-pc-linux-gnu
Copyright (C) 1988-2020 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<https://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...
Updating makefiles....
updating makefile
touch makefile
Updating goal targets....
 File 'def' does not exist.
Must remake target 'def'.
echo hello world
hello world
Successfully remade target file 'def'.
$
----




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