From 2f2e88900e922a225264125cbb9d08a002526121 Mon Sep 17 00:00:00 2001
From: Fred Baksik <fdk17@ftml.net>
Date: Wed, 16 Mar 2022 16:24:37 -0400
Subject: GHS: Fix gbuild job control

gbuild command line is "-parallel[=n]".

Fixes: #23252
---
 Source/cmGlobalGhsMultiGenerator.cxx | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Source/cmGlobalGhsMultiGenerator.cxx b/Source/cmGlobalGhsMultiGenerator.cxx
index 5e51dd2..836efb2 100644
--- a/Source/cmGlobalGhsMultiGenerator.cxx
+++ b/Source/cmGlobalGhsMultiGenerator.cxx
@@ -523,9 +523,10 @@ cmGlobalGhsMultiGenerator::GenerateBuildCommand(
   makeCommand.Add(this->SelectMakeProgram(makeProgram, gbuild));
 
   if (jobs != cmake::NO_BUILD_PARALLEL_LEVEL) {
-    makeCommand.Add("-parallel");
-    if (jobs != cmake::DEFAULT_BUILD_PARALLEL_LEVEL) {
-      makeCommand.Add(std::to_string(jobs));
+    if (jobs == cmake::DEFAULT_BUILD_PARALLEL_LEVEL) {
+      makeCommand.Add("-parallel");
+    } else {
+      makeCommand.Add(std::string("-parallel=") + std::to_string(jobs));
     }
   }
 
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