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[bug #20513] # still needs to be escaped in a function like $(shell)


From: Lionel Elie Mamane
Subject: [bug #20513] # still needs to be escaped in a function like $(shell)
Date: Wed, 18 Jul 2007 15:50:10 +0000
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.8.1.4) Gecko/20070508 (Debian-1.8.1.4-1) Galeon/2.0.2 (Debian package 2.0.2-4)

URL:
  <http://savannah.gnu.org/bugs/?20513>

                 Summary: # still needs to be escaped in a function like
$(shell)
                 Project: make
            Submitted by: lmamane
            Submitted on: Wednesday 18/07/07 at 17:50
                Severity: 3 - Normal
              Item Group: Bug
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
       Component Version: 3.81
        Operating System: POSIX-Based
           Fixed Release: None

    _______________________________________________________

Details:

The NEWS file says:

Version 3.81

* WARNING: Backward-incompatibility!
  Some previous versions of GNU make had a bug where "#" in a function
  invocation such as $(shell ...) was treated as a make comment.  A
  workaround was to escape these with backslashes.  This bug has been
  fixed: if your makefile uses "\#" in a function invocation the
  backslash is now preserved, so you'll need to remove it.


But I still get that bug with 3.81 and with CVS HEAD. The following
makefile:

FOO:=$(shell echo '#')
foo:
        echo '$(FOO)'

gives:

Makefile:1: *** unterminated call to function `shell': missing `)'.  Stop.

while

FOO:=$(shell echo '\#')
foo:
        echo '$(FOO)'


works, and the backslash is _not_ passed to the shell.




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