Fix potential issue #660

ea95ea82 · gabime · fe5aaf49 · ea95ea82
Commit ea95ea82 authored Mar 16, 2018 by gabime
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Showing with 5 additions and 2 deletions

include/spdlog/fmt/ostr.h include/spdlog/fmt/ostr.h +5 -2

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--- a/include/spdlog/fmt/ostr.h
+++ b/include/spdlog/fmt/ostr.h
@@ -4,10 +4,13 @@
 //

 #pragma once
-
-// include external or bundled copy of fmtlib's ostream support
+//
+// include bundled or external copy of fmtlib's ostream support
 //
 #if !defined(SPDLOG_FMT_EXTERNAL)
+#ifndef FMT_HEADER_ONLY
+#define FMT_HEADER_ONLY
+#endif
 #include "bundled/ostream.h"
 #include "fmt.h"
 #else