[libc++] Patch for AIX port

[Michael Wong]

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  From:       Howard Hinnant <hhinnant at apple.com>                                                             
                                                                                                              
  To:         Xing Xue/Toronto/IBM at IBMCA                                                                      
                                                                                                              
  Cc:         aep at exys.org, "Andrew C. Morrow" <andrew.c.morrow at gmail.com>, "cfe-commits at cs.uiuc.edu cfe"     
              <cfe-commits at cs.uiuc.edu>, "compnerd at compnerd.org Abdulrasool" <compnerd at compnerd.org>, Dimitry 
              Andric <dimitry at andric.com>, joerg at NetBSD.org, "jyasskin at google.com Yasskin"                    
              <jyasskin at google.com>, Michael Wong/Toronto/IBM at IBMCA, David Chisnall <theraven at FreeBSD.org>    
                                                                                                              
  Date:       08/14/2013 02:07 PM                                                                             
                                                                                                              
  Subject:    Re: [libc++] Patch for AIX port                                                                 
                                                                                                              





Thanks!  Committed revision 188396.

Howard

On Aug 14, 2013, at 1:04 PM, Xing Xue <xingxue at ca.ibm.com> wrote:

> Hi Howard,
>
> Sure.  I've revised as follows.
>
> Diffs:
> (See attached file: buildit.diffs)
>
> The actual file:
> (See attached file: buildit)
>
> However, the code in question does not seem to work to me.  Notice libc+
+.so.1.0 is generated because of "-o libc++.so.1.0" in line 103.  The 'ln
-s libc++.so.1 libc++.so' command in line 141 will fail.  That's why line
141 was changed to 'ln -s libc++.so.1.0" in the previous patch.  I think
the proper fix will be to change line 103 to "-o libc++.so.1" to be
consistent with the soname.
>
> ...
> 100   *)
> 101     RC_CFLAGS="-fPIC"
> 102     SOEXT=so
> 103     LDSHARED_FLAGS="-o libc++.so.1.0 \
> 104         -shared -nodefaultlibs -Wl,-soname,libc++.so.1 \
> 105         -lpthread -lrt -lc -lstdc++"
> 106     ;;
> ....
> 139     *)
> 140         rm -f libc++.so
> 141         ln -s libc++.so.1 libc++.so
> 142         ;;
>
> Thanks,
> Xing Xue
> XLC++ Compiler Development / IBM Software Solutions Toronto Lab.
> Tie Line: 313-3972  Phone: 905-413-3972 Email: xingxue at ca.ibm.com
>
>
>
> <graycol.gif>Howard Hinnant ---08/14/2013 10:00:34 AM---On Aug 14, 2013,
at 3:45 AM, David Chisnall <theraven at FreeBSD.org> wrote: >>        rm -f
libc++.so
>
> <ecblank.gif>
> From:
> <ecblank.gif>
> Howard Hinnant <hhinnant at apple.com>
> <ecblank.gif>
> To:
> <ecblank.gif>
> Xing Xue/Toronto/IBM at IBMCA
> <ecblank.gif>
> Cc:
> <ecblank.gif>
> "cfe-commits at cs.uiuc.edu cfe" <cfe-commits at cs.uiuc.edu>, David Chisnall
<theraven at FreeBSD.org>, Michael Wong/Toronto/IBM at IBMCA,
"compnerd at compnerd.org Abdulrasool" <compnerd at compnerd.org>, Dimitry Andric
<dimitry at andric.com>, "Andrew C. Morrow" <andrew.c.morrow at gmail.com>,
aep at exys.org, joerg at NetBSD.org, "jyasskin at google.com Yasskin"
<jyasskin at google.com>
> <ecblank.gif>
> Date:
> <ecblank.gif>
> 08/14/2013 10:00 AM
> <ecblank.gif>
> Subject:
> <ecblank.gif>
> Re: [libc++] Patch for AIX port
>
>
>
>
> On Aug 14, 2013, at 3:45 AM, David Chisnall <theraven at FreeBSD.org> wrote:
>
> >>        rm -f libc++.so
> >> -        ln -s libc++.so.1 libc++.so
> >> +        ln -s libc++.so.1.0 libc++.so
> >>        ;;
> >> esac
> >>
> >> All, please examine the last line:
> >>
> >> -        ln -s libc++.so.1 libc++.so
> >> +        ln -s libc++.so.1.0 libc++.so
> >
> > This does, however.  We don't usually use a.b version numbers.  It
isn't of vital importance, however, as we don't use the upstream build
system for the libc++ that we ship, although it would be mildly
inconvenient for people who are building a newer version for testing.
> >
> > Oh, and ln -sf is generally better than rm then ln, as it allows the
operation to be atomic.
>
> Xing, can you rework this part so that it is -ibm-only?
>
> Howard
>
>
>
> <buildit.diffs><buildit>


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