commit e80757c1545286240d687e9a303cf8eeb3f9a6de
author Bram Moolenaar <Bram@vim.org> Tue Apr 10 12:42:44 2018 +0200
committer Bram Moolenaar <Bram@vim.org> Tue Apr 10 12:42:44 2018 +0200
tree d7815e52f08aa2e5e58faeee86c1d0f8b63ded80
parent 756ef113d14428e598274f87672d7f0e34ff9781

patch 8.0.1681: the format attribute fails with MinGW

Problem:    The format attribute fails with MinGW. (John Marriott)
Solution:   Don't use the format attribute with MinGW.

src/channel.c

diff --git a/src/channel.c b/src/channel.c
index 0f2e52b..88c53b7 100644
--- a/src/channel.c
+++ b/src/channel.c
@@ -179,8 +179,8 @@
 
     static void
 ch_error(channel_T *ch, const char *fmt, ...)
-#ifdef __GNUC__
-__attribute__((format(printf, 2, 3)))
+#ifdef USE_PRINTF_FORMAT_ATTRIBUTE
+    __attribute__((format(printf, 2, 3)))
 #endif
     ;