-libd0_blind_id_la_SOURCES = d0_bignum-gmp.c d0_blind_id.c d0.c d0_iobuf.c sha2.c
-libd0_blind_id_la_LDFLAGS = -versioninfo 2:0:2
+libd0_blind_id_la_SOURCES = d0_blind_id.c d0.c d0_iobuf.c sha2.c \
+ d0_blind_id.h d0.h d0_iobuf.h sha2.h
+if WITH_OPENSSL
+libd0_blind_id_la_SOURCES += d0_bignum-openssl.c d0_bignum-openssl.h
+else
+libd0_blind_id_la_SOURCES += d0_bignum-gmp.c d0_bignum-gmp.h
+endif
+libd0_blind_id_la_LDFLAGS = -versioninfo 3:0:3