From a5cf7f3479f58719831f829331dae61a5d113907 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sat, 26 Jun 2021 12:54:19 +0200
Subject: [PATCH] Fix determining the number of logical CPUs under macOS

Use sysctrl instead of nproc which doesn't exist under Mac.
---
 .github/workflows/ci.yml | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 697e237eb8..719d570e81 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -119,7 +119,21 @@ jobs:
         run: |
           echo LD_LIBRARY_PATH=`pwd`/lib >> $GITHUB_ENV
 
-          wxPROC_COUNT=`nproc`
+          case `uname` in
+            Linux)
+                wxPROC_COUNT=`nproc`
+                ;;
+
+            Darwin)
+                wxPROC_COUNT=`sysctl -n hw.ncpu`
+                ;;
+
+            *)
+                echo "*** Unknown platform: `uname` ***"
+                wxPROC_COUNT=0
+                ;;
+          esac
+
           ((wxPROC_COUNT++))
           echo wxPROC_COUNT=$wxPROC_COUNT >> $GITHUB_ENV
           echo wxBUILD_ARGS=-j$wxPROC_COUNT >> $GITHUB_ENV