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-rw-r--r--include/libbb.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/libbb.h b/include/libbb.h
index fcd0dfa..7dc7abd 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -159,7 +159,7 @@
#endif
-#if (__GLIBC__ < 2)
+#if defined(__GLIBC__) && __GLIBC__ < 2
int vdprintf(int d, const char *format, va_list ap);
#endif
// This is declared here rather than #including <libgen.h> in order to avoid