trace: add 'file:line' to all trace output

diff --git a/git-compat-util.h b/git-compat-util.h
index b6f03b36dc762b891e77a5ca44e7ca5f270c5af9..4dd065d7f31a8a69d73fa21391b79f56b1bcd3a4 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -704,6 +704,10 @@ void git_qsort(void *base, size_t nmemb, size_t size,
 #endif
 #endif
 
+#if defined(__GNUC__) || (_MSC_VER >= 1400)
+#define HAVE_VARIADIC_MACROS 1
+#endif
+
 /*
  * Preserves errno, prints a message, but gives no warning for ENOENT.
  * Always returns the return value of unlink(2).