# --------------------------------------------------
#
# Makefile for building a standalone, statically linked Bluesim executable
#
# Usage:
#
#   make [options]
#
# Example:
#
#   make TOPMOD=mkTb SIMDIR=simdir
#
# The following variables must be set, either in the environment or on the
# command line:
#
#   TOPMOD      - The top module of the design
#
# Optional variables:
#
#   SIMDIR      - The location of the generated Bluesim C++ source files
#                 (default: directory where 'make' is run)
#
#   OTHEROBJS   - Any additional files needed for linking (.o, .a)
#
#   OTHERLIBS   - Any additional dynamic libraries needed for linking
#
#   LIBDIRS     - Any additional search directories for finding dynamic libraries
#
#   EXE         - The name of the output executable (default: model.exe)
#
# --------------------------------------------------

ifndef TOPMOD
$(error Variable TOPMOD is not set)
else
$(info >>> TOPMOD "$(TOPMOD)")
endif

BLUESPECDIR=$(shell echo 'puts $$env(BLUESPECDIR)' | bluetcl)
ifeq ($(BLUESPECDIR),)
$(error Failure to find BLUESPECDIR)
else
$(info >>> BLUESPECDIR "$(BLUESPECDIR)")
endif

SIMDIR ?= .

EXE ?= model.exe
#EXE ?= $(TOPMOD).exe

# ---------------

BSIM_INCDIR=$(BLUESPECDIR)/Bluesim
BSIM_LIBDIR=$(BLUESPECDIR)/Bluesim

default: $(EXE)

$(EXE): main_$(TOPMOD).cxx $(SIMDIR)/*.o
	c++ -O3 \
	    -g \
		-D BLUESIM_TOP_MODULE=$(TOPMOD) \
		-o $@ \
		-I. \
		-I$(BSIM_INCDIR) \
		-I$(SIMDIR) \
		$(addprefix -L, $(LIBDIRS)) \
		$(OTHEROBJS) \
		$^ \
		$(BSIM_LIBDIR)/libbskernel.a \
		$(BSIM_LIBDIR)/libbsprim.a \
		-lpthread \
		$(OTHERLIBS) \

main_$(TOPMOD).cxx: main.cxx.template
	sed 's/BLUESIM_TOP_MODULE/$(TOPMOD)/g' main.cxx.template > $@

.PHONY: clean
clean:

.PHONY: realclean
realclean: clean
	rm -rf main_*.cxx
	rm -rf $(EXE)