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Merge branch 'bug11047'

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Nick Mathewson 2014-02-24 13:06:55 -05:00
commit 0efa2821c7
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changes/bug11047 Normal file
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@ -0,0 +1,9 @@
o Minor bugfixes:
- Build using the -fasynchronous-unwind-tables option so that more
platforms (in particular, ones like 32-bit Intel where the
-fomit-frame-pointer option is on by default and table
generation is not) will support generating backtraces. This
doesn't yet add Windows support yet; only Linux, OSX, and some BSD
are affected. Reported by 'cypherpunks'; fixes bug 11047; bugfix
on 0.2.5.2-alpha.

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configure.ac
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@ -648,6 +648,13 @@ fi
CFLAGS="$saved_CFLAGS"
AC_SUBST(F_OMIT_FRAME_POINTER)
dnl ------------------------------------------------------
dnl If we are adding -fomit-frame-pointer (or if the compiler's doing it
dnl for us, as GCC 4.6 and later do at many optimization levels), then
dnl we should try to add -fasynchronous-unwind-tables so that our backtrace
dnl code will work.
TOR_CHECK_CFLAGS(-fasynchronous-unwind-tables)
dnl ------------------------------------------------------
dnl Where do you live, libnatpmp? And how do we call you?
dnl There are no packages for Debian or Redhat as of this patch