AC_CHECK_HEADERS([execinfo.h])
AC_CHECK_HEADERS([cxxabi.h],
AC_DEFINE([HAVE_CXXABI_H], [1], [Have cxxabi.h]),
AC_DEFINE([HAVE_CXXABI_H], [0], [Have cxxabi.h]))
AX_COMPILER_VENDOR
AC_CHECK_HEADERS([execinfo.h])
AC_CHECK_HEADERS([cxxabi.h],
AC_DEFINE([HAVE_CXXABI_H], [1], [Have cxxabi.h]),
AC_DEFINE([HAVE_CXXABI_H], [0], [Have cxxabi.h]))
AX_COMPILER_VENDOR