crypto/s390xcap.c: Add guards around the GETAUXVAL checks
HWCAP_S390_VX is missing on SUSE Linux Enterprise Server 12 SP1, so we
add a guard that checks the present of that macro.  While we're at it,
we do the same with HWCAP_S390_STFLE, for consistency.
#if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
# if __GLIBC_PREREQ(2, 16)
# include <sys/auxv.h>
+# if defined(HWCAP_S390_STFLE) && defined(HWCAP_S390_VX)
# define OSSL_IMPLEMENT_GETAUXVAL
# endif
# endif
+#endif
#define LEN 128
#define STR_(S) #S
@@ -82,7 +84,7 @@ void OPENSSL_cpuid_setup(void)
/* set a bit that will not be tested later */
OPENSSL_s390xcap_P.stfle[0] |= S390X_CAPBIT(0);
-#ifdef OSSL_IMPLEMENT_GETAUXVAL
+#if defined(OSSL_IMPLEMENT_GETAUXVAL)
{
const unsigned long hwcap = getauxval(AT_HWCAP);
