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-rw-r--r--lib/stdio.in.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/stdio.in.h b/lib/stdio.in.h
index 6dc526eaab0..ebcbfaf5e77 100644
--- a/lib/stdio.in.h
+++ b/lib/stdio.in.h
@@ -1259,7 +1259,9 @@ _GL_FUNCDECL_SYS (vdprintf, int, (int fd, const char *format, va_list args)
_GL_CXXALIAS_SYS_CAST (vdprintf, int,
(int fd, const char *format, va_list args));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (vdprintf);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef vdprintf
# if HAVE_RAW_DECL_VDPRINTF