autoconf: tweaks to the check for --static-pcap-only support.

the-tcpdump-group / tcpdump

the TCPdump network dissector

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autoconf: tweaks to the check for --static-pcap-only support. #1202

Closed guyharris closed 4 months ago

guyharris commented 4 months ago

Use the -s and -q flags to suppress output from grep, rather than directing the standard output and error to /dev/null; they've been in the Single UNIX Specification since at least UNIX 98.

Wrap "Checking..." and result messages around the test.