From 2917af1889dd5b1a9c83d8d8d7059bd0555a50ca Mon Sep 17 00:00:00 2001
From: Gerhard Theurich <theurich@sourcespring.net>
Date: Sun, 22 Oct 2023 23:29:39 -0600
Subject: [PATCH] Fix variable syntax.

---
 build/common.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build/common.mk b/build/common.mk
index c648a65e5f..e19a0d60a0 100644
--- a/build/common.mk
+++ b/build/common.mk
@@ -2050,7 +2050,7 @@ endif
 build_preload_script:
 	-@echo "#!/bin/sh" > $(ESMF_PRELOADDIR)/preload.sh
 	-@echo "# Script to preload ESMF dynamic trace library" >> $(ESMF_PRELOADDIR)/preload.sh
-	-@echo 'if [ "$(ESMF_ENV_PRELOAD)" != "" ]; then' >> $(ESMF_PRELOADDIR)/preload.sh
+	-@echo 'if [ "$$$(ESMF_ENV_PRELOAD)" != "" ]; then' >> $(ESMF_PRELOADDIR)/preload.sh
 	-@echo 'env $(ESMF_ENV_PRELOAD)="$$$(ESMF_ENV_PRELOAD)$(ESMF_ENV_PRELOAD_DELIMIT)$(ESMF_PRELOADDIR)/libesmftrace_preload.$(ESMF_SL_SUFFIX)" $$*' >> $(ESMF_PRELOADDIR)/preload.sh
 	-@echo 'else' >> $(ESMF_PRELOADDIR)/preload.sh
 	-@echo 'env $(ESMF_ENV_PRELOAD)="$(ESMF_PRELOADDIR)/libesmftrace_preload.$(ESMF_SL_SUFFIX)" $$*' >> $(ESMF_PRELOADDIR)/preload.sh