[Vm-dev] [OpenSmalltalk/opensmalltalk-vm] configure script : check for <ifaddrs.h> (#523)

[dcstes]

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A few commits that could be of use:

  1. modify configure.ac to check for the header file <ifaddrs.h>
  2. update README of UnicodePlugin
  3. #if COGVM in the sqCogStackAlignment.h for getReturnAddress

The COGVM compiles and works in 32bit on Solaris 10.
It also works now (thanks to code for getReturnAddress) in 64bit on Solaris 11.

Solaris 10 has no header file <ifaddrs.h> it appears, to in that case,
the configure script can automatically 'activate' the old code in
sqUnixSocket.c.  In the Solaris 11 case, it has <ifaddrs.h>, so activate the
new code on Solaris 11.

David Stes

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You can view, comment on, or merge this pull request online at:

  https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/523

-- Commit Summary --

  * Unicode README: add note on a known issue
  * configure:  check for <ifaddrs.h> (Solaris 11 has it, Solaris 10 not)
  * sqCogStackAlignment: define getReturnAddress only #if COGVM (not for Stack VM)

-- File Changes --

    M platforms/Cross/vm/sqCogStackAlignment.h (2)
    M platforms/unix/config/config.h.in (3)
    M platforms/unix/config/configure.ac (1)
    M platforms/unix/plugins/SocketPlugin/sqUnixSocket.c (6)
    M platforms/unix/plugins/UnicodePlugin/README.UnicodePlugin (26)

-- Patch Links --

https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/523.patch
https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/523.diff

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