[Ping] Port of VTV for Cygwin and MinGW

[Matthias Klose]

On 01/29/2015 07:12 PM, H.J. Lu wrote:
> On Thu, Jan 29, 2015 at 10:05 AM, Matthias Klose <doko@ubuntu.com> wrote:
>> that fixes the build failure. ok to commit?
>>
>> 2015-01-29  Matthias Klose  <doko@ubuntu.com>
>>
>>         * acinclude.m4 (GLIBCXX_ENABLE_VTABLE_VERIFY): Define VTV_CYGMIN
>>         unconditionally.
>>         * configure: Regenerate.
>>
> 
>  This is wrong.  You are checking vtv_cygmin before it is defined.

my bad, somebody should obviously build both variants ... now testing this variant.

Index: acinclude.m4
===================================================================
--- acinclude.m4        (revision 220257)
+++ acinclude.m4        (working copy)
@@ -2320,8 +2320,6 @@
   AC_MSG_CHECKING([for vtable verify support])
   AC_MSG_RESULT([$enable_vtable_verify])

-  AM_CONDITIONAL(VTV_CYGMIN, test $vtv_cygmin = yes)
-
   if test $enable_vtable_verify = yes; then
     case ${target_os} in
       cygwin*|mingw32*)
@@ -2341,6 +2339,8 @@
     VTV_CXXLINKFLAGS=
   fi

+  AM_CONDITIONAL(VTV_CYGMIN, test $vtv_cygmin = yes)
+
   AC_SUBST(VTV_CXXFLAGS)
   AC_SUBST(VTV_PCH_CXXFLAGS)
   AC_SUBST(VTV_CXXLINKFLAGS)