[bug #49841] flavor() function incorrectly shows function parameters as defined.

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?49841>

                 Summary: flavor() function incorrectly shows function
parameters as defined.
                 Project: make
            Submitted by: None
            Submitted on: Wed 14 Dec 2016 03:33:07 PM 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: POSIX-Based
           Fixed Release: None
           Triage Status: None

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Details:

This concerns the scope of function parameters when using the
flavor() function to see if they are defined.

Consider the following functions and subsequent calls:

inner =\
  $(info 1F="$(flavor 1)" 1V="$(1)" 2F="$(flavor 2)" 2V="$(2)")
outer = $(call inner,one)

$(call outer,one)
$(call outer,one,two)

This will produce the following output with make-4.2.90

1F="simple" 1V="one" 2F="undefined" 2V=""
1F="simple" 1V="one" 2F="simple"    2V=""

It appears that the scope of the parameters in the outer function intrudes
into the inner function for the flavor() function but not for the value of the
parameter.





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