Mac 编译安装 PHP7 的时候，遇到下面错误，该如何解决

Undefined symbols for architecture x86_64:
"_PKCS5_PBKDF2_HMAC", referenced from:
_zif_openssl_pbkdf2 in openssl.o
"_SSL_CTX_set_alpn_protos", referenced from:
_php_openssl_setup_crypto in xp_ssl.o
"_SSL_CTX_set_alpn_select_cb", referenced from:
_php_openssl_setup_crypto in xp_ssl.o
"_SSL_get0_alpn_selected", referenced from:
_php_openssl_sockop_set_option in xp_ssl.o
"_SSL_select_next_proto", referenced from:
_server_alpn_callback in xp_ssl.o
"_TLSv1_1_client_method", referenced from:
_php_openssl_setup_crypto in xp_ssl.o
"_TLSv1_1_server_method", referenced from:
_php_openssl_setup_crypto in xp_ssl.o
"_TLSv1_2_client_method", referenced from:
_php_openssl_setup_crypto in xp_ssl.o
"_TLSv1_2_server_method", referenced from:
_php_openssl_setup_crypto in xp_ssl.o
"_dns_free", referenced from:
_zif_dns_check_record in dns.o
_zif_dns_get_record in dns.o
_zif_dns_get_mx in dns.o
"_dns_open", referenced from:
_zif_dns_check_record in dns.o
_zif_dns_get_record in dns.o
_zif_dns_get_mx in dns.o
"_dns_search", referenced from:
_zif_dns_check_record in dns.o
_zif_dns_get_record in dns.o
_zif_dns_get_mx in dns.o
"_res_9_dn_expand", referenced from:
_php_parserr in dns.o
_zif_dns_get_mx in dns.o
"_res_9_dn_skipname", referenced from:
_zif_dns_get_record in dns.o
_zif_dns_get_mx in dns.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [libs/libphp7.bundle] Error 1