forked from github/verilator
56 lines
1.8 KiB
Makefile
56 lines
1.8 KiB
Makefile
# -*- Makefile -*-
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#######################################################################
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#
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# DESCRIPTION: Verilator Example: Makefile for inside object directory
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#
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# This is executed in the object directory, and called by ../Makefile
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#
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# This file ONLY is placed under the Creative Commons Public Domain, for
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# any use, without warranty, 2020 by Wilson Snyder.
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# SPDX-License-Identifier: CC0-1.0
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#
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#######################################################################
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default: Vtop
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# Include the rules made by Verilator
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include Vtop.mk
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# Use OBJCACHE (ccache) if using gmake and its installed
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COMPILE.cc = $(OBJCACHE) $(CXX) $(CXXFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
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#######################################################################
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# Compile flags
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# Turn on creating .d make dependency files
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CPPFLAGS += -MMD -MP
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# Compile in Verilator runtime debugging, so +verilator+debug works
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CPPFLAGS += -DVL_DEBUG=1
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# Turn on some more compiler lint flags (when configured appropriately)
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# For testing inside Verilator, "configure --enable-ccwarn" will do this
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# automatically; otherwise you may want this unconditionally enabled
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ifeq ($(CFG_WITH_CCWARN),yes) # Local... Else don't burden users
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USER_CPPFLAGS_WALL += -W -Werror -Wall
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endif
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# See the benchmarking section of bin/verilator.
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# Support class optimizations. This includes the tracing and symbol table.
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# SystemC takes minutes to optimize, thus it is off by default.
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OPT_SLOW =
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# Fast path optimizations. Most time is spent in these classes.
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OPT_FAST = -Os -fstrict-aliasing
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#OPT_FAST = -O
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#OPT_FAST =
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######################################################################
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######################################################################
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# Automatically understand dependencies
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DEPS := $(wildcard *.d)
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ifneq ($(DEPS),)
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include $(DEPS)
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endif
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