X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan_tools%2Flibtap%2Fsrc%2Ftap.h;h=9a14c69660a6c382c4283ab8bc7c28b226689204;hp=4a8b346f222202610711700711fba112e097ca9f;hb=246bde098d4f5ac212840a41b740297dd94e1135;hpb=58785e0bf9c4ac9f704415bb120fdbdb70152afa

diff --git a/ccan_tools/libtap/src/tap.h b/ccan_tools/libtap/src/tap.h
index 4a8b346f..9a14c696 100644
--- a/ccan_tools/libtap/src/tap.h
+++ b/ccan_tools/libtap/src/tap.h
@@ -54,11 +54,13 @@
 
 # define skip_end } while(0)
 
+#ifndef PRINTF_ATTRIBUTE
 #ifdef __GNUC__
 #define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format (__printf__, a1, a2)))
 #else
 #define PRINTF_ATTRIBUTE(a1, a2)
 #endif
+#endif
 
 unsigned int _gen_result(int, const char *, char *, unsigned int, char *, ...)
 	PRINTF_ATTRIBUTE(5, 6);