Qualcomm Inc.’s interest in pursuing an acquisition of Intel Corp. has cooled, according to people familiar with the matter, upending what would have likely been one of the largest technology deals of all time.

Semiconductor maker Qualcomm Inc.’s interest in acquiring rival Intel Corp. is souring, Bloomberg News reported Monday night.

Qualcomm's interest in acquiring Intel is said to have cooled due to complexities associated with the deal, Bloomberg News reported on Monday, citing people familiar with the matter.The complexities associated with acquiring all of Intel has made a deal less attractive to Qualcomm,