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#
# 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

# The interesting make targets are:
#
# make version
# Force the version_tag.h file to be rebuilt. Otherwise, it will only
# be built if it is missing.
#
# make all
# make install
#
# The "suffix" is used as an installation suffix. It modifies certain
# key install paths/files such that a build and install of Icarus Verilog
# with the same $(prefix) but a different $(suffix) will not interfere.
# The normal configuration leaves suffix empty
suffix = @install_suffix@

prefix = @prefix@
exec_prefix = @exec_prefix@
srcdir = @srcdir@
datarootdir = @datarootdir@

SUBDIRS = ivlpp vhdlpp vvp vpi libveriuser cadpli tgt-null tgt-stub tgt-vvp \
          tgt-vhdl tgt-vlog95 tgt-pcb driver
# Only run distclean for these directories.
NOTUSED = tgt-fpga tgt-pal tgt-verilog

ifeq (@MINGW32@,yes)
SUBDIRS += driver-vpi
else
NOTUSED += driver-vpi
endif

# To get the version headers to build correctly we only want to look
# for C++ files in the source directory. All other files will require
# an explicit $(srcdir). 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 = @bindir@
libdir = @libdir@
# This is actually the directory where we install our own header files.
# It is a little different from the generic includedir.
includedir = @includedir@/iverilog$(suffix)
mandir = @mandir@

dllib=@DLLIB@

# For a cross compile these defines will need to be set accordingly.
HOSTCC = @CC@
HOSTCFLAGS = @WARNING_FLAGS@ @CFLAGS@

CC = @CC@
CXX = @CXX@
DLLTOOL = @DLLTOOL@
INSTALL = @INSTALL@
INSTALL_SCRIPT = @INSTALL_SCRIPT@
INSTALL_PROGRAM = @INSTALL_PROGRAM@
INSTALL_DATA = @INSTALL_DATA@
LEX = @LEX@
YACC = @YACC@
MAN = @MAN@
PS2PDF = @PS2PDF@
GIT = @GIT@

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

CPPFLAGS = @DEFS@ $(INCLUDE_PATH) @CPPFLAGS@
CFLAGS = @WARNING_FLAGS@ @CFLAGS@
CXXFLAGS = @WARNING_FLAGS@ @WARNING_FLAGS_CXX@ @CXXFLAGS@
PICFLAGS = @PICFLAG@
LDFLAGS = @rdynamic@ @LDFLAGS@
CTARGETFLAGS = @CTARGETFLAGS@

# Source files in the libmisc directory
M = LineInfo.o StringHeap.o

TT = t-dll.o t-dll-api.o t-dll-expr.o t-dll-proc.o t-dll-analog.o
FF = cprop.o nodangle.o synth.o synth2.o syn-rules.o

O = main.o async.o design_dump.o discipline.o dup_expr.o elaborate.o \
    elab_expr.o elaborate_analog.o elab_lval.o elab_net.o \
    elab_scope.o elab_sig.o elab_sig_analog.o elab_type.o \
    emit.o eval.o eval_attrib.o \
    eval_tree.o expr_synth.o functor.o lexor.o lexor_keyword.o link_const.o \
    load_module.o netlist.o netmisc.o nettypes.o net_analog.o net_assign.o \
    net_design.o netclass.o netdarray.o \
    netenum.o netparray.o netstruct.o netvector.o net_event.o net_expr.o net_func.o \
    net_func_eval.o net_link.o net_modulo.o \
    net_nex_input.o net_nex_output.o net_proc.o net_scope.o net_tran.o \
    net_udp.o pad_to_width.o parse.o parse_misc.o pform.o pform_analog.o \
    pform_disciplines.o pform_dump.o pform_package.o pform_pclass.o \
    pform_class_type.o pform_string_type.o pform_struct_type.o pform_types.o \
    symbol_search.o sync.o sys_funcs.o verinum.o verireal.o target.o \
    Attrib.o HName.o Module.o PClass.o PDelays.o PEvent.o PExpr.o PGate.o \
    PGenerate.o PPackage.o PScope.o PSpec.o PTask.o PUdp.o PFunction.o PWire.o \
    Statement.o AStatement.o $M $(FF) $(TT)

all: dep config.h _pli_types.h version_tag.h ivl@EXEEXT@ version.exe iverilog-vpi.man
$(foreach dir,$(SUBDIRS),$(MAKE) -C $(dir) $@ && ) true

# In the windows world, the installer will need a dosify program to
# dosify text files.
ifeq (@MINGW32@,yes)
all: dosify.exe
dosify.exe: $(srcdir)/dosify.c
$(HOSTCC) $(HOSTCFLAGS) -o dosify.exe $(srcdir)/dosify.c
endif

# This rule rules the compiler in the trivial hello.vl program to make
# sure the basics were compiled properly.
check: all
$(foreach dir,$(SUBDIRS),$(MAKE) -C $(dir) $@ && ) true
test -r check.conf || cp $(srcdir)/check.conf .
driver/iverilog -B. -BPivlpp -tcheck -ocheck.vvp $(srcdir)/examples/hello.vl
ifeq (@WIN32@,yes)
ifeq (@install_suffix@,)
vvp/vvp -M- -M./vpi ./check.vvp | grep 'Hello, World'
else
# On Windows if we have a suffix we must run the vvp part of
# the test with a suffix since it was built/linked that way.
ln vvp/vvp.exe vvp/vvp$(suffix).exe
vvp/vvp$(suffix) -M- -M./vpi ./check.vvp | grep 'Hello, World'
rm vvp/vvp$(suffix).exe
endif
else
vvp/vvp -M- -M./vpi ./check.vvp | grep 'Hello, World'
endif

clean:
$(foreach dir,$(SUBDIRS),$(MAKE) -C $(dir) $@ && ) true
rm -f *.o parse.cc parse.h lexor.cc
rm -f ivl.exp iverilog-vpi.man iverilog-vpi.pdf iverilog-vpi.ps
rm -f parse.output syn-rules.output dosify.exe ivl@EXEEXT@ check.vvp
rm -f lexor_keyword.cc libivl.a libvpi.a iverilog-vpi syn-rules.cc
rm -rf dep
rm -f version.exe

distclean: clean
$(foreach dir,$(SUBDIRS),$(MAKE) -C $(dir) $@ && ) true
$(foreach dir,$(NOTUSED),$(MAKE) -C $(dir) $@ && ) true
rm -f Makefile config.status config.log config.cache
rm -f stamp-config-h config.h
rm -f stamp-_pli_types-h _pli_types.h
ifneq (@srcdir@,.)
rm -f version_tag.h check.conf
rmdir $(SUBDIRS) $(NOTUSED)
endif
rm -rf autom4te.cache

cppcheck: $(O:.o=.cc) $(srcdir)/dosify.c $(srcdir)/version.c
cppcheck --enable=all -f --suppressions-list=$(srcdir)/cppcheck.sup \
--relative-paths=$(srcdir) $(INCLUDE_PATH) $^

cppcheck-all:
$(foreach dir,$(SUBDIRS),$(MAKE) -C $(dir) cppcheck && ) true
$(foreach dir,$(NOTUSED),$(MAKE) -C $(dir) cppcheck && ) true
$(MAKE) cppcheck

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

dep:
mkdir dep

stamp-config-h: $(srcdir)/config.h.in config.status
@rm -f $@
./config.status config.h
config.h: stamp-config-h

stamp-_pli_types-h: $(srcdir)/_pli_types.h.in config.status
@rm -f $@
./config.status _pli_types.h
_pli_types.h: stamp-_pli_types-h

$(srcdir)/configure: $(srcdir)/configure.in $(srcdir)/aclocal.m4
cd $(srcdir) && autoconf

config.status: $(srcdir)/configure
./config.status --recheck
./config.status

ifeq (@WIN32@,yes)
# Under Windows (mingw) I need to make the ivl.exe in two steps.
# The first step makes an ivl.exe that dlltool can use to make an
# export and import library, and the last link makes a, ivl.exe
# that really exports the things that the import library imports.
ivl@EXEEXT@: $O $(srcdir)/ivl.def
$(CXX) -o ivl@EXEEXT@ $O $(dllib) @EXTRALIBS@
$(DLLTOOL) --dllname ivl@EXEEXT@ --def $(srcdir)/ivl.def \
--output-lib libivl.a --output-exp ivl.exp
$(CXX) $(LDFLAGS) -o ivl@EXEEXT@ ivl.exp $O $(dllib) @EXTRALIBS@
else
ivl@EXEEXT@: $O
$(CXX) $(LDFLAGS) -o ivl@EXEEXT@ $O $(dllib)
endif

ifeq (@MINGW32@,no)
all: iverilog-vpi

iverilog-vpi: $(srcdir)/iverilog-vpi.sh Makefile
sed -e 's;@SHARED@;@shared@;' -e 's;@PIC@;@PICFLAG@;' \
-e 's;@SUFFIX@;$(suffix);' \
-e 's;@IVCC@;$(CC);' \
-e 's;@IVCXX@;$(CXX);' \
-e 's;@IVCFLAGS@;$(CFLAGS);' \
-e 's;@IVCXXFLAGS@;$(CXXFLAGS);' \
-e 's;@IVCTARGETFLAGS@;$(CTARGETFLAGS);' \
-e 's;@INCLUDEDIR@;$(includedir);' \
-e 's;@LIBDIR@;@libdir@;' $< > $@
chmod +x $@
endif

version.exe: $(srcdir)/version.c $(srcdir)/version_base.h version_tag.h
$(HOSTCC) $(HOSTCFLAGS) -o version.exe -I. -I$(srcdir) $(srcdir)/version.c

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

# Here are some explicit dependencies needed to get things going.
main.o: main.cc version_tag.h

lexor.o: lexor.cc parse.h

parse.o: parse.cc

# Build this in two steps to avoid parallel build issues (see pr3462585)
parse.cc: $(srcdir)/parse.y
$(YACC) --verbose -t -p VL -d -o $@ $<
parse.h: parse.cc
mv parse.cc.h $@ 2>/dev/null || mv parse.hh $@

syn-rules.cc: $(srcdir)/syn-rules.y
$(YACC) --verbose -t -p syn_ -o $@ $<

lexor.cc: $(srcdir)/lexor.lex
$(LEX) -s -t $< > $@

lexor_keyword.o: lexor_keyword.cc parse.h

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

iverilog-vpi.man: $(srcdir)/iverilog-vpi.man.in version.exe
./version.exe `head -1 $(srcdir)/iverilog-vpi.man.in`'\n' > $@
tail -n +2 $(srcdir)/iverilog-vpi.man.in >> $@

iverilog-vpi.ps: iverilog-vpi.man
$(MAN) -t ./iverilog-vpi.man > iverilog-vpi.ps

iverilog-vpi.pdf: iverilog-vpi.ps
$(PS2PDF) iverilog-vpi.ps iverilog-vpi.pdf

# For VERSION_TAG in driver/main.c, first try git-describe, then look for a
# version_tag.h file in the source tree (included in snapshots and releases),
# and finally use nothing.

# "true" and "false" in the next few lines are Unix shell command names
ifeq ($(GIT),none)
GIT_PRESENT = false
else
GIT_PRESENT = true
endif
version_tag.h version:
@if $(GIT_PRESENT) && test -d $(srcdir)/.git; then \
echo "Using git-describe for VERSION_TAG"; \
tmp=`$(GIT) --git-dir $(srcdir)/.git describe --always --dirty \
| sed -e 's;\(.*\);#define VERSION_TAG "\1";'`; \
echo "$$tmp" | diff - version_tag.h > /dev/null 2>&1 || echo "$$tmp" > version_tag.h || exit 1; \
elif test -r $(srcdir)/version_tag.h; then \
echo "Using $(srcdir)/version_tag.h for VERSION_TAG"; \
diff $(srcdir)/version_tag.h version_tag.h > /dev/null 2>&1 || cp $(srcdir)/version_tag.h version_tag.h; \
else \
echo "Using empty VERSION_TAG"; \
echo '#define VERSION_TAG ""' > version_tag.h; \
fi

ifeq (@MINGW32@,yes)
ifeq ($(MAN),none)
INSTALL_DOC = $(mandir)/man1/iverilog-vpi$(suffix).1
else
ifeq ($(PS2PDF),none)
INSTALL_DOC = $(mandir)/man1/iverilog-vpi$(suffix).1
else
INSTALL_DOC = $(prefix)/iverilog-vpi$(suffix).pdf $(mandir)/man1/iverilog-vpi$(suffix).1
all: dep iverilog-vpi.pdf
endif
endif
INSTALL_DOCDIR = $(mandir)/man1
else
INSTALL_DOC = $(mandir)/man1/iverilog-vpi$(suffix).1
INSTALL_DOCDIR = $(mandir)/man1
endif

ifeq (@MINGW32@,yes)
WIN32_INSTALL =
else
WIN32_INSTALL = $(bindir)/iverilog-vpi$(suffix)
endif

install: all installdirs $(libdir)/ivl$(suffix)/ivl@EXEEXT@ $(libdir)/ivl$(suffix)/include/constants.vams $(libdir)/ivl$(suffix)/include/disciplines.vams $(includedir)/ivl_target.h $(includedir)/_pli_types.h $(includedir)/sv_vpi_user.h $(includedir)/vpi_user.h $(includedir)/acc_user.h $(includedir)/veriuser.h $(WIN32_INSTALL) $(INSTALL_DOC)
$(foreach dir,$(SUBDIRS),$(MAKE) -C $(dir) $@ && ) true

$(bindir)/iverilog-vpi$(suffix): ./iverilog-vpi
$(INSTALL_SCRIPT) ./iverilog-vpi "$(DESTDIR)$(bindir)/iverilog-vpi$(suffix)"

$(libdir)/ivl$(suffix)/ivl@EXEEXT@: ./ivl@EXEEXT@
$(INSTALL_PROGRAM) ./ivl@EXEEXT@ "$(DESTDIR)$(libdir)/ivl$(suffix)/ivl@EXEEXT@"

$(libdir)/ivl$(suffix)/include/constants.vams: $(srcdir)/constants.vams
$(INSTALL_DATA) $(srcdir)/constants.vams "$(DESTDIR)$(libdir)/ivl$(suffix)/include/constants.vams"

$(libdir)/ivl$(suffix)/include/disciplines.vams: $(srcdir)/disciplines.vams
$(INSTALL_DATA) $(srcdir)/disciplines.vams "$(DESTDIR)$(libdir)/ivl$(suffix)/include/disciplines.vams"

$(includedir)/ivl_target.h: $(srcdir)/ivl_target.h
$(INSTALL_DATA) $(srcdir)/ivl_target.h "$(DESTDIR)$(includedir)/ivl_target.h"

$(includedir)/_pli_types.h: _pli_types.h
$(INSTALL_DATA) $< "$(DESTDIR)$(includedir)/_pli_types.h"

$(includedir)/sv_vpi_user.h: $(srcdir)/sv_vpi_user.h
$(INSTALL_DATA) $(srcdir)/sv_vpi_user.h "$(DESTDIR)$(includedir)/sv_vpi_user.h"

$(includedir)/vpi_user.h: $(srcdir)/vpi_user.h
$(INSTALL_DATA) $(srcdir)/vpi_user.h "$(DESTDIR)$(includedir)/vpi_user.h"

$(includedir)/acc_user.h: $(srcdir)/acc_user.h
$(INSTALL_DATA) $(srcdir)/acc_user.h "$(DESTDIR)$(includedir)/acc_user.h"

$(includedir)/veriuser.h: $(srcdir)/veriuser.h
$(INSTALL_DATA) $(srcdir)/veriuser.h "$(DESTDIR)$(includedir)/veriuser.h"

$(mandir)/man1/iverilog-vpi$(suffix).1: iverilog-vpi.man
$(INSTALL_DATA) iverilog-vpi.man "$(DESTDIR)$(mandir)/man1/iverilog-vpi$(suffix).1"

$(prefix)/iverilog-vpi$(suffix).pdf: iverilog-vpi.pdf
$(INSTALL_DATA) iverilog-vpi.pdf "$(DESTDIR)$(prefix)/iverilog-vpi$(suffix).pdf"


installdirs: $(srcdir)/mkinstalldirs
$(srcdir)/mkinstalldirs "$(DESTDIR)$(bindir)" \
"$(DESTDIR)$(includedir)" \
"$(DESTDIR)$(libdir)/ivl$(suffix)" \
"$(DESTDIR)$(libdir)/ivl$(suffix)/include" \
"$(DESTDIR)$(mandir)" \
"$(DESTDIR)$(mandir)/man1"

uninstall:
$(foreach dir,$(SUBDIRS),$(MAKE) -C $(dir) $@ && ) true
for f in ivl@EXEEXT@ include/constants.vams include/disciplines.vams; \
do rm -f "$(DESTDIR)$(libdir)/ivl$(suffix)/$$f"; done
-rmdir "$(DESTDIR)$(libdir)/ivl$(suffix)/include"
-rmdir "$(DESTDIR)$(libdir)/ivl$(suffix)"
for f in verilog$(suffix) iverilog-vpi$(suffix) gverilog$(suffix)@EXEEXT@; \
do rm -f "$(DESTDIR)$(bindir)/$$f"; done
for f in ivl_target.h vpi_user.h _pli_types.h sv_vpi_user.h acc_user.h veriuser.h; \
do rm -f "$(DESTDIR)$(includedir)/$$f"; done
-test X$(suffix) = X || rmdir "$(DESTDIR)$(includedir)"
rm -f "$(DESTDIR)$(mandir)/man1/iverilog-vpi$(suffix).1" "$(DESTDIR)$(prefix)/iverilog-vpi$(suffix).pdf"


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