configure.h: HAVE_ISBLANK

[ccan] / ccan / str / str_debug.h

diff --git a/ccan/str/str_debug.h b/ccan/str/str_debug.h
index 4545ccaa3617088485c480a59f3a7367abfc9699..6b56477689efe31b0e622779a8a0130f45a6b2b2 100644 (file)
--- a/ccan/str/str_debug.h
+++ b/ccan/str/str_debug.h
@@ -8,7 +8,9 @@
 int str_isalnum(int i);
 int str_isalpha(int i);
 int str_isascii(int i);
+#if HAVE_ISBLANK
 int str_isblank(int i);
+#endif
 int str_iscntrl(int i);
 int str_isdigit(int i);
 int str_isgraph(int i);