[bug #50021] make hangs when it tries to execute script of less than 2 bytes in size

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?50021>

                 Summary: make hangs when it tries to execute script of less
than 2 bytes in size
                 Project: make
            Submitted by: None
            Submitted on: Wed 11 Jan 2017 10:37:59 AM UTC
                Severity: 3 - Normal
              Item Group: Bug
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
       Component Version: 4.2.1
        Operating System: MS Windows
           Fixed Release: None
           Triage Status: None

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Details:

Steps to reproduce:

1) unpack archive:   tar -xf make-4.2.1.tar.gz
2) run dos prompt:   cmd.exe
3) setup compiler:   "c:\Program Files (x86)\Microsoft Visual Studio
14.0\VC\vcvarsall.bat" x86_amd64
4) go to sources:    cd make-4.2.1
5) do compile:       build_w32.bat --without-guile
6) create script:    echo|set /p="1" > script.cmd
7) create makefile:  echo all:;script.cmd > bug.mk
8) execute makefile: WinRel\gnumake.exe -f bug.mk

make hangs with output:

script.cmd
gnumake: *** Error -1
.  Stop.
gnumake: *** Waiting for unfinished jobs....


Best Regards,
Michael M. Builov.



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File Attachments:


-------------------------------------------------------
Date: Wed 11 Jan 2017 10:37:59 AM UTC  Name: make-4.2.1-sub_proc.patch  Size:
904B   By: None
proposed patch
<http://savannah.gnu.org/bugs/download.php?file_id=39431>

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