#
#    This source code is free software; you can redistribute it
#    and/or modify it in source code form under the terms of the GNU
#    Library General Public License as published by the Free Software
#    Foundation; either version 2 of the License, or (at your option)
#    any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU Library General Public License for more details.
#
#    You should have received a copy of the GNU Library General Public
#    License along with this program; if not, write to the Free
#    Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
#    Boston, MA 02110-1301, USA.
#
SHELL = /bin/sh

suffix = 

prefix = /usr/local/symbiflow/iverilog
exec_prefix = ${prefix}
srcdir = .

# Look in the appropriate source directory for the C++ files. The one
# exception to this is if we need to rebuild the lexor_keyword.cc file.
# If we do, then we want to use the local version instead of the one is
# $(srcdir).
vpath lexor_keyword.cc .
vpath %.cc $(srcdir)/../libmisc
vpath %.cc $(srcdir)

bindir = ${exec_prefix}/bin
libdir = ${exec_prefix}/lib
includedir = $(prefix)/include

CC = gcc
CXX = g++
INSTALL = /usr/bin/install -c
INSTALL_SCRIPT = ${INSTALL}
INSTALL_PROGRAM = ${INSTALL}
INSTALL_DATA = ${INSTALL} -m 644
LEX = flex
YACC = bison

ifeq (.,.)
INCLUDE_PATH = -I. -I.. -I../libmisc
else
INCLUDE_PATH = -I. -I.. -I$(srcdir) -I$(srcdir)/.. -I$(srcdir)/../libmisc
endif

CPPFLAGS = $(INCLUDE_PATH)  -DHAVE_CONFIG_H
CXXFLAGS = -Wall -Wextra -Wshadow   -g -O2
LDFLAGS =  
LIBS = -lm -lbz2 -lz -lpthread -lreadline -ltermcap  

M = StringHeap.o LineInfo.o

O = main.o architec.o compiler.o entity.o std_funcs.o std_types.o \
    expression.o package.o scope.o sequential.o subprogram.o vsignal.o vtype.o \
    vtype_match.o \
    architec_elaborate.o entity_elaborate.o expression_elaborate.o \
    expression_evaluate.o \
    sequential_elaborate.o \
    vtype_elaborate.o \
    entity_stream.o expression_stream.o vtype_stream.o \
    lexor.o lexor_keyword.o parse.o \
    parse_misc.o library.o vhdlreal.o vhdlint.o \
    architec_emit.o entity_emit.o expression_emit.o package_emit.o \
    sequential_emit.o subprogram_emit.o vtype_emit.o \
    debug.o architec_debug.o expression_debug.o sequential_debug.o \
    $M

all: dep vhdlpp

check: all

clean:
	rm -f *.o *~ parse.cc parse.h lexor.cc parse.output lexor_keyword.cc
	rm -rf dep vhdlpp

distclean: clean
	rm -f Makefile config.log
	rm -f stamp-vhdlpp_config-h vhdlpp_config.h

cppcheck: $(O:.o=.cc)
	cppcheck --enable=all --std=posix --std=c99 --std=c++03 -f \
	         -UYY_USER_INIT \
	         -UYYPARSE_PARAM -UYYPRINT -Ushort -Usize_t -Uyyoverflow \
	         -UYYTYPE_INT8 -UYYTYPE_INT16 -UYYTYPE_UINT8 -UYYTYPE_UINT16 \
	         $(INCLUDE_PATH) $^

Makefile: $(srcdir)/Makefile.in
	cd ..; ./config.status --file=vhdlpp/$@

dep:
	mkdir dep

vhdlpp: $O
	$(CXX) -o vhdlpp $(LDFLAGS) $O $(LIBS)

%.o: $(srcdir)/../libmisc/%.cc
	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -MD -c $< -o $*.o
	mv $*.d dep/$*.d

%.o: %.cc vhdlpp_config.h
	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -MD -c $< -o $*.o
	mv $*.d dep/$*.d

lexor.o: lexor.cc parse.h

parse.o: parse.cc

lexor.cc: $(srcdir)/lexor.lex
	$(LEX) -s -olexor.cc $(srcdir)/lexor.lex

# Use pattern rules to avoid parallel build issues (see pr3462585)
parse%cc parse%h: $(srcdir)/parse%y
	$(YACC) --verbose -t --defines=parse.h -o parse.cc $<

lexor_keyword.o: lexor_keyword.cc parse.h

lexor_keyword.cc: $(srcdir)/lexor_keyword.gperf
	gperf -o -i 7 --ignore-case -C -k 1-4,6,9,$$ -H keyword_hash -N check_identifier -t $(srcdir)/lexor_keyword.gperf > lexor_keyword.cc || (rm -f lexor_keyword.cc ; false)

install: all installdirs installfiles

F = vhdlpp

installfiles: $(F) | installdirs
	$(INSTALL_PROGRAM) ./vhdlpp "$(DESTDIR)$(libdir)/ivl$(suffix)/vhdlpp"

installdirs: $(srcdir)/../mkinstalldirs
	$(srcdir)/../mkinstalldirs "$(DESTDIR)$(libdir)/ivl$(suffix)"

uninstall:
	rm -f "$(DESTDIR)$(libdir)/ivl$(suffix)/vhdlpp"

stamp-vhdlpp_config-h: $(srcdir)/vhdlpp_config.h.in ../config.status
	@rm -f $@
	cd ..; ./config.status --header=vhdlpp/vhdlpp_config.h
vhplpp_config.h: stamp-vhdlpp_config-h


-include $(patsubst %.o, dep/%.d, $O $M)