3 # Copyright (C) 1998-1999, 2001, 2004, 2008-2020 Free Software Foundation, Inc.
4 # This file is free software; the Free Software Foundation
5 # gives unlimited permission to copy and/or distribute it,
6 # with or without modifications, as long as this notice is preserved.
8 dnl based on code from Eleftherios Gkioulekas
9 dnl Autoconf 2.60 provides AC_HEADER_ASSERT for the same purpose, but
10 dnl it has broken semantics for --enable-assert until 2.64.
13 AC_MSG_CHECKING([whether to enable assertions])
14 AC_ARG_ENABLE([assert],
15 [AS_HELP_STRING([--disable-assert], [turn off assertions])],
16 [AS_IF([test "x$enableval" = xno],
17 [AC_DEFINE([NDEBUG], [1],
18 [Define to 1 if assertions should be disabled.])],
19 [test "x$enableval" != xyes],
20 [AC_MSG_WARN([invalid argument supplied to --enable-assert])
23 AC_MSG_RESULT([$enable_assert])