UVM_VER = uvm-1.1
UVM_SUB_VER = d
UVM_HOME = /apps/uvm

VCS             = vcs
VCS_OPTS        = -sverilog +acc +vpi -timescale=1ns/1ns $(EXTRA_VCS_OPTS)

.PHONY:	clean vcs vcs_debug vcs_std

default:
	 # To use with VCS, enter:
	 #   make vcs	or	make vcs_debug
         # To remove temporary files, enter
         #   make clean

vcs:
	$(VCS) $(VCS_OPTS) -ntb_opts uvm $(INCDIRS) $(SRCS) -R $(EXTRA_VCS_RUNOPTS)

vcs_debug:
	$(VCS) $(VCS_OPTS) -ntb_opts uvm $(INCDIRS) $(SRCS) -R -gui $(EXTRA_VCS_RUNOPTS)

vcs_std:
	$(VCS) $(VCS_OPTS) +acc +vpi $(INCDIRS) +incdir+$(UVM_HOME)/src $(UVM_HOME)/src/uvm.sv  $(SRCS) \
	$(UVM_HOME)/src/dpi/uvm_dpi.cc -CFLAGS -DVCS -R $(EXTRA_VCS_RUNOPTS)

clean:
	@echo cleaning old simulation files and libraries...
	@ -$(RM) csrc simv* work *.bak *.log *.vpd transcript \
	waves.shm *.wlf mylib lib *.vstf .restart* \
	urgReport *.so vc_hdrs.h

# EOF

Another one has an error

///////////////////////////////////////////
UVM_REGISTER ?= ../../../../uvm_register-2.0
RTL ?= ../../../rtl
AGENTS ?= ../../../agents
TAR_PATH ?= ../../../../
TEST ?= spi_interrupt_test

all: build run

build: 
vcs -timescale=1ns/10ps -sverilog -ntb_opts uvm-1.1 +incdir+$(RTL)/spi/rtl/verilog $(RTL)/spi/rtl/verilog/*.v \
+incdir+$(UVM_REGISTER)/src $(UVM_REGISTER)/src/uvm_register_pkg.sv \
+incdir+$(AGENTS)/register_layering $(AGENTS)/register_layering/register_layering_pkg.sv \
+incdir+$(AGENTS)/apb_agent $(AGENTS)/apb_agent/apb_agent_pkg.sv \
+incdir+$(AGENTS)/spi_agent $(AGENTS)/spi_agent/spi_agent_pkg.sv \
+incdir+../register_model ../register_model/spi_register_pkg.sv \
$(AGENTS)/apb_agent/apb_if.sv \
$(AGENTS)/spi_agent/spi_if.sv \
../tb/intr_if.sv \
+incdir+../env ../env/spi_env_pkg.sv \
+incdir+../sequences ../sequences/spi_bus_sequence_lib_pkg.sv \
+incdir+../sequences ../sequences/spi_sequence_lib_pkg.sv \
+incdir+../sequences ../sequences/spi_virtual_seq_lib_pkg.sv \
+incdir+../test ../test/spi_test_lib_pkg.sv \
+incdir+$(RTL)/spi/rtl/verilog ../tb/top_tb.sv

run:
./simv top_tb +UVM_TESTNAME="$(TEST)"

clean:
@rm -rf csrc 
@find ../../../ -name "*~" -delete