* getopt_.h: Use __CONCAT rather than ## directly.

[gnulib.git] / lib / posixtm.c

diff --git a/lib/posixtm.c b/lib/posixtm.c
index 22f636e..1400e5a 100644 (file)
--- a/lib/posixtm.c
+++ b/lib/posixtm.c
@@ -38,7 +38,10 @@
 #endif
 
 #include "posixtm.h"
-#include "unlocked-io.h"
+
+#if USE_UNLOCKED_IO
+# include "unlocked-io.h"
+#endif
 
 /* ISDIGIT differs from isdigit, as follows:
    - Its arg may be any int or unsigned int; it need not be an unsigned char.