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# -*- Makefile -*-
#######################################################################
#
# DESCRIPTION: Verilator Example: Makefile for inside object directory
#
# This is executed in the object directory, and called by ../Makefile
#
# Copyright 2003-2019 by Wilson Snyder. This program is free software; you can
# redistribute it and/or modify it under the terms of either the GNU
# Lesser General Public License Version 3 or the Perl Artistic License
# Version 2.0.
#
#######################################################################
default: Vtop
# Include the rules made by Verilator
include Vtop.mk
# Use OBJCACHE (ccache) if using gmake and its installed
COMPILE.cc = $(OBJCACHE) $(CXX) $(CXXFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
#######################################################################
# Compile flags
# Override some default compile flags
CPPFLAGS += -MMD -MP
CPPFLAGS += -DVL_DEBUG=1
# Turn on some more flags (when configured appropriately)
# For testing inside Verilator, "configure --enable-ccwarn" will do this
# automatically; otherwise you may want this unconditionally enabled
ifeq ($(CFG_WITH_CCWARN),yes) # Local... Else don't burden users
USER_CPPFLAGS_WALL += -W -Werror -Wall
endif
# See the benchmarking section of bin/verilator.
# Support class optimizations. This includes the tracing and symbol table.
# SystemC takes minutes to optimize, thus it is off by default.
OPT_SLOW =
# Fast path optimizations. Most time is spent in these classes.
OPT_FAST = -O2 -fstrict-aliasing
#OPT_FAST = -O
#OPT_FAST =
#######################################################################
# Linking final exe -- presumes have a sim_main.cpp
# Special compile rule
sim_main.o: sim_main.cpp $(VM_PREFIX).h
######################################################################
######################################################################
# Automatically understand dependencies
DEPS := $(wildcard *.d)
ifneq ($(DEPS),)
include $(DEPS)
endif
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