src/tool_filetime: disable -Wformat on mingw for this file

With gcc 10 on mingw we otherwise get this warning:

 error: ISO C does not support the 'I' printf flag [-Werror=format=]

Fixes #6079
Closes #6082

diff --git a/src/tool_filetime.c b/src/tool_filetime.c
index 1ffc981feeab6c860571f68d0036f31ec0d06ec2..bc0132b0c0c2270f735408c1f8ebb7cc6b478094 100644 (file)
--- a/src/tool_filetime.c
+++ b/src/tool_filetime.c
@@ -29,6 +29,11 @@
 #  include <sys/utime.h>
 #endif
 
+#if defined(__GNUC__) && defined(__MINGW32__)
+/* GCC 10 on mingw has issues with this, disable */
+#pragma GCC diagnostic ignored "-Wformat"
+#endif
+
 curl_off_t getfiletime(const char *filename, FILE *error_stream)
 {
   curl_off_t result = -1;