From c678b2aafe89404229bbcec0de737b727e5e2d5d Mon Sep 17 00:00:00 2001
From: Michael Zingale <michael.zingale@stonybrook.edu>
Date: Wed, 15 May 2024 14:50:11 -0400
Subject: [PATCH] abort the build if we try to compile with GPU + OpenMP

---
 Exec/Make.Maestro | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Exec/Make.Maestro b/Exec/Make.Maestro
index 3ab47ea3a..b6c5e36d3 100644
--- a/Exec/Make.Maestro
+++ b/Exec/Make.Maestro
@@ -56,6 +56,14 @@ endif
 
 include $(AMREX_HOME)/Tools/GNUMake/Make.defs
 
+ifeq ($(USE_GPU),TRUE)
+  # We don't currently support host-side OpenMP being enabled
+  # when using GPUs. Throw an error to prevent this case.
+  ifeq ($(USE_OMP),TRUE)
+    $(error OpenMP is not supported by MAESTROeX when building with GPU support)
+  endif
+endif
+
 MAESTROEX_AUTO_SOURCE_DIR := $(TmpBuildDir)/maestroex_sources/$(optionsSuffix).EXE
 
 all: $(executable)