From c29955775a7cbf87280fef60fb106ace2b7d0bb9 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sat, 3 Dec 2022 22:27:29 +0100
Subject: [PATCH] Avoid using a bashism in script returning CPU count

While ((var++)) works in bash, it results in an error message (and
doesn't increment the variable) in dash, so use a POSIX-compatible
construction which works for both of them.
---
 build/tools/proc_count.sh | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/build/tools/proc_count.sh b/build/tools/proc_count.sh
index 7b10dbe0ac..65109b41dd 100755
--- a/build/tools/proc_count.sh
+++ b/build/tools/proc_count.sh
@@ -14,5 +14,4 @@ case `uname` in
         ;;
 esac
 
-((wxPROC_COUNT++))
-echo $wxPROC_COUNT
+echo $((wxPROC_COUNT+1))