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Fix wrong configure test for abi::__forced_unwind in previous commit.

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The previous commit was accidental and contained an initial version of the
patch which didn't test for NPTL abi::__forced_unwind correctly and just
tested whether cxxabi.h header was available.

Tighten the check to work on the other systems and check for __forced_unwind
existence itself.

Also check for cxxabi.h before testing for __cxa_demangle as there is no need
to try to compile another test program if we already know that this entire
header is unavailable anyhow.

See #14626.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72532 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2012-09-20 23:12:28 +00:00
parent e02ea2030c
commit 89b3361ec2
4 changed files with 109 additions and 25 deletions
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4
setup.h.in
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@@ -1225,8 +1225,8 @@
/* Define if you have the <sys/select.h> header file. */
#undef HAVE_SYS_SELECT_H
/* Define if you have <cxxabi.h> header file. */
#undef HAVE_CXXABI_H
/* Define if you have abi::__forced_unwind in your <cxxabi.h>. */
#undef HAVE_ABI_FORCEDUNWIND
/* Define if fdopen is available. */
#undef HAVE_FDOPEN