configure: Only create serdep.tmp if needed
authorPeter Foley <pefoley2@pefoley.com>
Mon, 7 Aug 2023 11:07:13 +0000 (13:07 +0200)
committerAlan Modra <amodra@gmail.com>
Sat, 12 Aug 2023 00:28:23 +0000 (09:58 +0930)
commitd0aa61ca5cfc9b7d401fb5e494d977e3beb90275
tree35fdefefdce1723c2b4539afa64f73a98cb665f0
parent60b42421e900f9bb186c306a657f41b88e422bcd
configure: Only create serdep.tmp if needed

There's no reason to create this file if none of the serial configure
options are passed.

* configure.ac: Only create serdep.tmp if needed
configure.ac