diff --git a/libiberty/configure b/libiberty/configure
index 10f38511463..5c69fee56c1 100755
--- a/libiberty/configure
+++ b/libiberty/configure
@@ -7667,6 +7667,8 @@ void foo (__m128i *buf, unsigned int e, __m128i msg0, __m128i msg1)
 int bar (void)
 {
   unsigned int eax, ebx, ecx, edx;
+  (void) __get_cpuid;
+  (void) __get_cpuid_count;
   if (__get_cpuid_count (7, 0, &eax, &ebx, &ecx, &edx)
       && (ebx & bit_SHA) != 0
       && __get_cpuid (1, &eax, &ebx, &ecx, &edx)
diff --git a/libiberty/configure.ac b/libiberty/configure.ac
index 96a61934ffd..0888e638896 100644
--- a/libiberty/configure.ac
+++ b/libiberty/configure.ac
@@ -771,6 +771,8 @@ void foo (__m128i *buf, unsigned int e, __m128i msg0, __m128i msg1)
 int bar (void)
 {
   unsigned int eax, ebx, ecx, edx;
+  (void) __get_cpuid;
+  (void) __get_cpuid_count;
   if (__get_cpuid_count (7, 0, &eax, &ebx, &ecx, &edx)
       && (ebx & bit_SHA) != 0
       && __get_cpuid (1, &eax, &ebx, &ecx, &edx)