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Improve libunwind detection.
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shinichiro.hamaji committed May 28, 2010
1 parent da34b91 commit c825a0c
Showing 2 changed files with 4 additions and 2 deletions.
4 changes: 3 additions & 1 deletion configure
Original file line number Diff line number Diff line change
@@ -21133,7 +21133,9 @@ if test `eval echo '${'$as_ac_Header'}'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF

ac_cv_have_libunwind_h=1
else
ac_cv_have_libunwind_h=0
fi

done
2 changes: 1 addition & 1 deletion configure.ac
Original file line number Diff line number Diff line change
@@ -36,7 +36,7 @@ AC_CHECK_HEADERS(sys/syscall.h)
# For backtrace with glibc.
AC_CHECK_HEADERS(execinfo.h)
# For backtrace with libunwind.
AC_CHECK_HEADERS(libunwind.h)
AC_CHECK_HEADERS(libunwind.h, ac_cv_have_libunwind_h=1, ac_cv_have_libunwind_h=0)
AC_CHECK_HEADERS(ucontext.h)
AC_CHECK_HEADERS(sys/utsname.h)
AC_CHECK_HEADERS(pwd.h)

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