ec: Only build ecp_nistp521-ppc64.s if enable-ec_nistp_64_gcc_128

Signed-off-by: Martin Schwenke <martin@meltin.net>
Signed-off-by: Amitay Isaacs <amitay@ozlabs.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15798)

diff --git a/crypto/ec/build.info b/crypto/ec/build.info
index f4314dd89638e6b8f255d31549cbb735ab499b25..216139e5965730be5f8452795c1587bfad5591d3 100644 (file)
--- a/crypto/ec/build.info
+++ b/crypto/ec/build.info
@@ -30,9 +30,13 @@ IF[{- !$disabled{asm} -}]
   $ECASM_parisc20_64=
 
   $ECASM_ppc32=
-  $ECASM_ppc64=ecp_nistz256.c ecp_nistz256-ppc64.s ecp_nistp521-ppc64.s x25519-ppc64.s
-  $ECDEF_ppc64=ECP_NISTZ256_ASM ECP_NISTP521_ASM X25519_ASM
-  INCLUDE[ecp_nistp521.o]=..
+  $ECASM_ppc64=ecp_nistz256.c ecp_nistz256-ppc64.s x25519-ppc64.s
+  $ECDEF_ppc64=ECP_NISTZ256_ASM X25519_ASM
+  IF[{- !$disabled{'ec_nistp_64_gcc_128'} -}]
+    $ECASM_ppc64=$ECASM_ppc64 ecp_nistp521-ppc64.s
+    $ECDEF_ppc64=$ECDEF_ppc64 ECP_NISTP521_ASM
+    INCLUDE[ecp_nistp521.o]=..
+  ENDIF
 
   $ECASM_c64xplus=