toolchain/wrapper: replace legacy backticks with $()
authorRosen Penev <rosenp@gmail.com>
Mon, 30 Dec 2019 03:41:16 +0000 (19:41 -0800)
committerAdrian Schmutzler <freifunk@adrianschmutzler.de>
Tue, 31 Dec 2019 00:00:04 +0000 (01:00 +0100)
commit19be55aa37f593066039d27c41735200d477f62b
tree1307454abcec592307e1ecc0badf83bed1e13dc9
parent9edf808e350b0cd7fb153ae4a27589ef013d01cf
toolchain/wrapper: replace legacy backticks with $()

This replaces deprecated backticks by more versatile $(...) syntax.

Found with shellcheck.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
[alter commit title, extend commit message]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
target/toolchain/files/wrapper.sh