[patch #7666] ax_pthread macro fails for C++ on Solaris

[anonymous]

URL:
  <http://savannah.gnu.org/patch/?7666>

                 Summary: ax_pthread macro fails for C++ on Solaris
                 Project: GNU Autoconf Archive
            Submitted by: None
            Submitted on: Thu 17 Nov 2011 12:57:22 AM UTC
                Priority: 5 - Normal
                  Status: None
             Assigned to: None
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any

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Details:

The section that adds "extra" flags for Solaris is missing the addition of the
-mt option for Oracle/Sun CC. It's used at the top in the detection code, but
never gets added. _RENTRANT alone is not sufficient when using that compiler
with C++, you get improper safety for object startup and shutdown.

I use this in place of the existing code for special flags:

            *solaris*)
            if test "$GCC" = "yes"; then
                flag="-D_REENTRANT"
            else
                flag="-mt -D_REENTRANT"
            fi





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