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Detect if g++ requires -fvtable-thunks for COM interfaces.

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Newer g++ does not require nor support it, so it must not be used.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16792 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Mattia Barbon 2002-08-26 20:44:50 +00:00
parent 1f7314bce9
commit 8284b0c5bd
2 changed files with 9158 additions and 14466 deletions
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23612
configure vendored
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12
configure.in
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@ -4313,8 +4313,18 @@ if test "$wxUSE_MSW" = 1 -a \( "$wxUSE_DATAOBJ" = "yes" \
if test "$ac_cv_header_ole2_h" = "yes" ; then
if test "$GCC" = yes ; then
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_MSG_CHECKING([if g++ requires -fvtable-thunks])
AC_TRY_COMPILE([#include <windows.h>
#include <ole2.h>],
[],
[AC_MSG_RESULT(no)],
[AC_MSG_RESULT(yes)
CODE_GEN_FLAGS_CXX="$CODE_GEN_FLAGS_CXX -fvtable-thunks"])
AC_LANG_RESTORE
ALL_OBJECTS="$ALL_OBJECTS \$(OLEOBJS)"
CODE_GEN_FLAGS_CXX="$CODE_GEN_FLAGS_CXX -fvtable-thunks"
LIBS=" -lrpcrt4 -loleaut32 -lole32 -luuid$LIBS"
AC_DEFINE(wxUSE_OLE)