$NetBSD: patch-acceptance-tests_microbench-perf_sh_in,v 1.1 2021/03/03 12:05:41 nia Exp $

Shell portability.

https://github.com/mono/mono/issues/19694

--- acceptance-tests/microbench-perf.sh.in.orig	2020-02-04 17:00:30.000000000 +0000
+++ acceptance-tests/microbench-perf.sh.in	2020-05-03 13:09:59.908937340 +0000
@@ -3,15 +3,13 @@
 aotpattern="--aot="
 
 # if this is an aot invoke
-if [[ $@ =~ $aotpattern ]];
-then
+case "$*" in *"$aotpattern"*)
 # just aot the code
 echo "$r/runtime/mono-wrapper $@"
 exec $r/runtime/mono-wrapper $@
-else
+;;
+*)
 # else run it under perf
 echo "$MONO_PERF_BINARY record -o $r/acceptance-tests/perf.data -v -s -g -- $r/mono/mini/mono-sgen $@"
 exec $MONO_PERF_BINARY record -o $r/acceptance-tests/perf.data -v -s -g $r/mono/mini/mono-sgen $@
-fi
-
-
+esac