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-rw-r--r--libbb/vdprintf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libbb/vdprintf.c b/libbb/vdprintf.c
index ffcb7a4..ea2a9d4 100644
--- a/libbb/vdprintf.c
+++ b/libbb/vdprintf.c
@@ -13,7 +13,7 @@
-#if (__GLIBC__ < 2)
+#if defined(__GLIBC__) && __GLIBC__ < 2
int vdprintf(int d, const char *format, va_list ap)
{
char buf[BUF_SIZE];