[Bug default/30711] New: Accommodate older OS' without MAP_ANONYMOUS definition

[venture37 at geeklan dot co.uk]

https://sourceware.org/bugzilla/show_bug.cgi?id=30711

            Bug ID: 30711
           Summary: Accommodate older OS' without MAP_ANONYMOUS definition
           Product: poke
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: default
          Assignee: unassigned at sourceware dot org
          Reporter: venture37 at geeklan dot co.uk
                CC: poke-devel at gnu dot org
  Target Milestone: ---

Created attachment 15027
  --> https://sourceware.org/bugzilla/attachment.cgi?id=15027&action=edit
patch to define MAP_ANONYMOUS to MAP_ANON

Older operating systems may lack the definition for MAP_ANONYMOUS, though
anonymous mapping is supported, defined as MAP_ANON. 
If it is supported and MAP_ANONYMOUS is not defined, define it to MAP_ANON
within poke. 
This allows poke to build on legacy Mac OS X as early as 10.4 Tiger on PowerPC.
On current versions, such a definition is handled within sys/mman.h.

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