AC_CHECK_HEADER(sys/statvfs.h, [ AC_DEFINE(HAVE_SYS_STATVFS_H,1,[Defines if your system have the sys/statvfs.h header file])] , )
+AC_LANG_PUSH(C++)
+AC_CHECK_HEADERS([cxxabi.h execinfo.h], [ AC_DEFINE(HAVE_BACKTRACE,1,[Defines if your system have the cxxabi.h and execinfo.h header files for backtrace()])] , )
+AC_LANG_POP(C++)
+
dnl --------------------------------------------------------------------------
dnl CHECKING FOR TYPEDEFS, STRUCTURES, AND COMPILER CHARACTERISTICS.
dnl --------------------------------------------------------------------------
[echo 'configure: cannot find needed function.'; exit 1]
)
+AC_CHECK_FUNCS(getpagesize, [AC_DEFINE(HAVE_GETPAGESIZE, 1, [Set if have getpagesize])])
AC_CHECK_FUNCS(malloc_trim, [AC_DEFINE(HAVE_MALLOC_TRIM, 1, [Set if have malloc_trim])])
AC_CHECK_FUNCS(fchdir, [AC_DEFINE(HAVE_FCHDIR)])