OPENSSL_NO_EC_NISTP_64_GCC_128 has been defined in opensslfeatures.h for a long time, which effectively means that ecp_nistp* are all empty files. So, there is no reason to build them in the first place. OK?
Index: Makefile =================================================================== RCS file: /cvs/src/lib/libcrypto/Makefile,v retrieving revision 1.20 diff -u -p -u -p -r1.20 Makefile --- Makefile 10 Jul 2017 21:30:37 -0000 1.20 +++ Makefile 17 Jul 2017 11:21:23 -0000 @@ -126,7 +126,6 @@ SRCS+= dso_openssl.c SRCS+= ec_lib.c ecp_smpl.c ecp_mont.c ecp_nist.c ec_cvt.c ec_mult.c SRCS+= ec_err.c ec_curve.c ec_check.c ec_print.c ec_asn1.c ec_key.c SRCS+= ec2_smpl.c ec2_mult.c ec_ameth.c ec_pmeth.c eck_prn.c -SRCS+= ecp_nistp224.c ecp_nistp256.c ecp_nistp521.c ecp_nistputil.c SRCS+= ecp_oct.c ec2_oct.c ec_oct.c # ecdh/
