1 m4_ifndef([AC_HEADER_ASSERT], [
4 # Check whether to enable assertions.
5 AC_DEFUN([AC_HEADER_ASSERT],
7 AC_MSG_CHECKING([whether to enable assertions])
8 AC_ARG_ENABLE([assert],
9 [ --disable-assert turn off assertions],
11 AC_DEFINE(NDEBUG, 1, [Define to 1 if assertions should be disabled.])],