[ovs-dev] shell substitution "${withval/:/}"

Takashi Yamamoto yamamoto at midokura.com
Wed Oct 14 04:06:01 UTC 2015


hi,

m4/openvswitch.m4 has the following substitution.
NetBSD's /bin/sh complains on that.

PTHREAD_WIN32_DIR_DLL=/${withval/:/}/dll/x64

i've looked at bash's man page but i couldn't find this substitution.
can you explain what does it mean, and even better, replace it
with something more portable?  thank you.



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