Barca have been in negotiations with Dinamo for some time over the youngster and Jutarnji List says talks have intensified in recent days.
"CEO Zdravko Mamic is in contact with the representatives of Barcelona," confirmed Dinamo president Mirko Barisic.
"For us it would be better for young players, so to speak, continue to grow here."
Barisic hinted he saw Halilovic joining Barca B initially in the summer before working his way to the senior team.
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