.

diff --git a/m4/assert.m4 b/m4/assert.m4
new file mode 100644 (file)
index 0000000..00e45ab
--- /dev/null
+++ b/m4/assert.m4
@@ -0,0 +1,13 @@
+#serial 1
+dnl based on code from Eleftherios Gkioulekas
+
+AC_DEFUN(jm_ASSERT,
+[
+  AC_MSG_CHECKING(whether to enable assertions)
+  AC_ARG_ENABLE(assert,
+                [  --disable-assert        turn off assertions],
+                [ AC_MSG_RESULT(no)
+                 AC_DEFINE(NDEBUG) ],
+                [ AC_MSG_RESULT(yes) ]
+               )
+])