[bug #61805] .ONESHELL causes quoting in .SHELLFLAGS to not work as expected.

[Dmitry Goncharov]

URL:
  <https://savannah.gnu.org/bugs/?61805>

                 Summary: .ONESHELL causes quoting in .SHELLFLAGS to not work
as expected.
                 Project: make
            Submitted by: dgoncharov
            Submitted on: Thu 13 Jan 2022 12:53:17 AM 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

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Details:

A user reported the following

.ONESHELL causes quoting in .SHELLFLAGS to not work as expected.

$ cat Makefile
.ONESHELL:
SHELL = /usr/bin/perl
.SHELLFLAGS = -w -E 'use warnings FATAL => "all";' -E
all:
        print 'it works'
$ make all
print 'it works'
Can't find string terminator "'" anywhere before EOF at -e line 1.
make: *** [Makefile:5: all] Error 255
$

Without .ONESHELL: the above works as expected.

The original bug report is here
https://lists.gnu.org/archive/html/bug-make/2022-01/msg00024.html.




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