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-rw-r--r--include/libc-symbols.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/libc-symbols.h b/include/libc-symbols.h
index 4684cb7f4a..5d15791fda 100644
--- a/include/libc-symbols.h
+++ b/include/libc-symbols.h
@@ -226,6 +226,11 @@ extern const char _libc_intl_domainname[];
# define internal_function /* empty */
#endif
+/* Prepare for the case that `__builtin_expect' is not available. */
+#ifndef HAVE_BUILTIN_EXPECT
+# define __builtin_expect(expr, val) (expr)
+#endif
+
/* When a reference to SYMBOL is encountered, the linker will emit a
warning message MSG. */
#ifdef HAVE_GNU_LD