diff options
Diffstat (limited to 'm4/assert.m4')
| -rw-r--r-- | m4/assert.m4 | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/m4/assert.m4 b/m4/assert.m4 index bfdc00f..054b163 100644 --- a/m4/assert.m4 +++ b/m4/assert.m4 @@ -1,19 +1,24 @@ -#serial 5 +#serial 7 -# Copyright (C) 1998, 1999, 2001, 2004 Free Software Foundation, Inc. +# Copyright (C) 1998-1999, 2001, 2004, 2008-2016 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. dnl based on code from Eleftherios Gkioulekas - +dnl Autoconf 2.60 provides AC_HEADER_ASSERT for the same purpose, but +dnl it has broken semantics for --enable-assert until 2.64. AC_DEFUN([gl_ASSERT], [ - AC_MSG_CHECKING(whether to enable assertions) - AC_ARG_ENABLE(assert, - [ --disable-assert turn off assertions], - [ AC_MSG_RESULT(no) - AC_DEFINE(NDEBUG,1,[Define to 1 if assertions should be disabled.]) ], - [ AC_MSG_RESULT(yes) ] - ) + AC_MSG_CHECKING([whether to enable assertions]) + AC_ARG_ENABLE([assert], + [AS_HELP_STRING([--disable-assert], [turn off assertions])], + [AS_IF([test "x$enableval" = xno], + [AC_DEFINE([NDEBUG], [1], + [Define to 1 if assertions should be disabled.])], + [test "x$enableval" != xyes], + [AC_MSG_WARN([invalid argument supplied to --enable-assert]) + enable_assert=yes])], + [enable_assert=yes]) + AC_MSG_RESULT([$enable_assert]) ]) |