From 79b4a3f3df5c172c501975ffd74bdd0c57f0f417 Mon Sep 17 00:00:00 2001
From: rfj82982 <stefano.rolfo@stfc.ac.uk>
Date: Fri, 20 Jan 2023 14:33:37 +0000
Subject: [PATCH] Reactivate the halo test without GPU execution

---
 examples/Makefile                | 8 ++++++--
 examples/halo_test/halo_test.f90 | 6 ++++++
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/examples/Makefile b/examples/Makefile
index 1643583b..508a0c0b 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -1,7 +1,7 @@
-.PHONY: init_test test2d fft_physical_x fft_physical_z io_test 
+.PHONY: init_test test2d fft_physical_x fft_physical_z halo_test io_test 
 
 # Just build the examples
-examples: init_test test2d fft_physical_x fft_physical_z io_test
+examples: init_test test2d fft_physical_x fft_physical_z halo_test io_test
 	@echo "Built the examples"
 
 init_test:
@@ -12,6 +12,8 @@ fft_physical_x:
 	$(MAKE) -C $@ all
 fft_physical_z:
 	$(MAKE) -C $@ all
+halo_test:
+	$(MAKE) -C $@ $@
 io_test:
 	$(MAKE) -C $@ all
 
@@ -20,6 +22,7 @@ check:
 	cd test2d; $(MAKE) $@
 	cd fft_physical_x; $(MAKE) $@
 	cd fft_physical_z; $(MAKE) $@
+	cd halo_test; $(MAKE) $@
 	cd io_test; $(MAKE) $@
 
 clean:
@@ -27,6 +30,7 @@ clean:
 	cd test2d; $(MAKE) $@
 	cd fft_physical_x; $(MAKE) $@
 	cd fft_physical_z; $(MAKE) $@
+	cd halo_test; $(MAKE) $@
 	cd io_test; $(MAKE) $@
 
 export
diff --git a/examples/halo_test/halo_test.f90 b/examples/halo_test/halo_test.f90
index 29447a18..6442c395 100644
--- a/examples/halo_test/halo_test.f90
+++ b/examples/halo_test/halo_test.f90
@@ -33,9 +33,15 @@ program halo_test
 
    logical :: passing, all_pass
 
+#if defined(_GPU)
+   write(*,*) 'Halo is not currently support on GPU. This test is not performed'
+   return
+#endif
+
    call MPI_INIT(ierror)
    call decomp_2d_init(nx, ny, nz, p_row, p_col)
 
+
    xlast = xsize(1) - 1
    if (xend(2) == ny) then
       ylast = xsize(2) - 1