#  Top level -*- Makefile -*- for GHDL.
#  Copyright (C) 2002 - 2014 Tristan Gingold
#
#  GHDL is free software; you can redistribute it and/or modify it under
#  the terms of the GNU General Public License as published by the Free
#  Software Foundation; either version 2, or (at your option) any later
#  version.
#
#  GHDL 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 General Public License
#  for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with GCC; see the file COPYING.  If not, write to the Free
#  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
#  02111-1307, USA.
CC=@CC@
CLANGXX=clang++
build=@build@
srcdir=@srcdir@
GNATMAKE=@GNATMAKE@
prefix=@prefix@
backend=@backend@
libdirsuffix=@libdirsuffix@
libdirreverse=@libdirreverse@
EXEEXT=@EXEEXT@
SOEXT=@SOEXT@
PIC_FLAGS=@PIC_FLAGS@
gcc_src_dir=@gcc_src_dir@
LLVM_CONFIG=@llvm_config@
LDFLAGS=@LDFLAGS@
LIBBACKTRACE=@backtrace_lib@
llvm_be=@llvm_be@
llvm_be_ver=@llvm_be_ver@
build_mode=@build_mode@

INSTALL_PROGRAM=install -m 755
INSTALL_DATA=install -m 644
PWD?=$(shell pwd)
DESTDIR=
bindir=$(prefix)/bin
libdir=$(prefix)/lib
incdir=$(prefix)/include
MKDIR=mkdir
LN=ln -s
CP=cp
MV=mv
SED=sed
GRT_RANLIB=ranlib

VHDL_LIB_DIR=$(prefix)/$(libdirsuffix)

# Debug
OPT_FLAGS=-g
ADA_FLAGS=-gnata
LIB_CFLAGS=

# Optimize, do not forget to use MODE=--genfast for iirs.adb.
#ADA_FLAGS+=-gnatpn
#OPT_FLAGS+=-O
#LIB_CFLAGS=-O

# Profiling.
#ADA_FLAGS+=-gnatn
#OPT_FLAGS+=-pg -O

# Coverage
ifeq "$(build_mode)" "coverage"
OPT_FLAGS+=-fprofile-arcs -ftest-coverage
endif

GNATFLAGS=-gnaty3befhkmr -gnatwae -aO. -gnatf -gnat05 $(OPT_FLAGS) $(ADA_FLAGS)
GRT_FLAGS=$(OPT_FLAGS)

WARN_CFLAGS=-Wall

GNAT_BARGS=-bargs -E

target=$(build)
#target=i686-pc-linux-gnu
#target=x86_64-pc-linux-gnu
#target=i686-apple-darwin
#target=x86_64-apple-darwin
#target=i386-pc-mingw32

all: Makefile all.$(backend)

install: install.$(backend)

check: check.$(backend)

copy-sources: copy-sources.$(backend)

Makefile: $(srcdir)/Makefile.in
	./config.status

GHDL_COMMON_INCFLAGS=-aI$(srcdir)/src -aI$(srcdir)/src/vhdl -aI$(srcdir)/src/psl -aI$(srcdir)/src/vhdl/translate

GRTSRCDIR=$(srcdir)/src/grt
include $(GRTSRCDIR)/Makefile.inc

version.tmp: $(srcdir)/src/version.in force
#	Create version.tmp from version.in, using git date/hash
	if [ -d $(srcdir)/.git ]; then \
	  desc=`cd $(srcdir); git describe --dirty`; \
	  $(SED) -e "s/[(].*[)]/($$desc)/" < $< > $@; \
	else \
	  $(CP) $< $@; \
	fi

version.ads: version.tmp
#	Change version.ads only if version.tmp has been modified to avoid
#	useless rebuild.
	if [ ! -r $@ ] || ! cmp $< $@ > /dev/null; then $(CP) $< $@; fi

#################### For mcode backend ##############################

all.mcode: ghdl_mcode$(EXEEXT) libs.vhdl.mcode all.vpi

GHDL_MCODE_INCFLAGS=$(GHDL_COMMON_INCFLAGS) -aI$(srcdir)/src/ghdldrv -aI$(srcdir)/src/grt -aI$(srcdir)/src/ortho -aI$(srcdir)/src/ortho/mcode

ghdl_mcode$(EXEEXT): GRT_FLAGS+=-DWITH_GNAT_RUN_TIME
ghdl_mcode$(EXEEXT): $(GRT_ADD_OBJS) $(GRT_SRC_DEPS) $(ORTHO_DEPS) \
            memsegs_c.o chkstk.o version.ads force
	$(GNATMAKE) -o $@ $(GHDL_MCODE_INCFLAGS) $(GNATFLAGS) -gnatw.A ghdl_jit.adb $(GNAT_BARGS) -largs memsegs_c.o chkstk.o $(GRT_ADD_OBJS) $(LDFLAGS) $(GNAT_LARGS) $(subst @,$(GRTSRCDIR),$(GRT_EXTRA_LIB))

memsegs_c.o: $(srcdir)/src/ortho/mcode/memsegs_c.c
	$(CC) -c $(OPT_FLAGS) -o $@ $<

libs.vhdl.mcode: vhdl.libs.all

install.mcode.program: install.dirs ghdl_mcode$(EXEEXT)
	$(INSTALL_PROGRAM) ghdl_mcode$(EXEEXT) $(DESTDIR)$(bindir)/ghdl$(EXEEXT)

install.mcode: install.mcode.program install.vhdllib install.vpi

oread-mcode$(EXEEXT): force
	$(MAKE) -f $(srcdir)/src/ortho/mcode/Makefile \
	 ortho_srcdir=$(srcdir)/src/ortho ortho_exec=$@ \
	 GNAT_FLAGS="-aI$(srcdir)/src/ortho/oread $(GNATFLAGS)" all

#################### For gcc backend ##############################

gcc_vhdl_dir=$(gcc_src_dir)/gcc/vhdl

all.gcc:
	@echo "For installing sources in gcc, do:"
	@echo "1) make copy-sources"
	@echo "2) configure, build and install gcc"
	@echo "3) make ghdllib"
	@echo "4) make install"

copy-sources.gcc: version.ads
	$(RM) -rf $(gcc_vhdl_dir)
	$(MKDIR) $(gcc_vhdl_dir)
	$(CP) -p version.ads $(gcc_vhdl_dir)
	$(CP) -p $(srcdir)/src/*.ad? $(gcc_vhdl_dir)
	$(CP) -p $(srcdir)/src/vhdl/*.ad? $(gcc_vhdl_dir)
	$(CP) -p $(srcdir)/src/vhdl/translate/*.ad? $(gcc_vhdl_dir)
	$(CP) -p $(srcdir)/src/psl/*.ad? $(gcc_vhdl_dir)
	$(CP) -p $(srcdir)/src/ortho/*.ad? $(gcc_vhdl_dir)
	$(CP) -p $(srcdir)/src/ortho/gcc/*.ad? $(gcc_vhdl_dir)
	$(CP) -p $(srcdir)/src/ortho/gcc/*.c $(gcc_vhdl_dir)
	$(CP) -p $(srcdir)/src/ortho/gcc/*.opt $(gcc_vhdl_dir)
	$(CP) -p $(srcdir)/doc/ghdl.texi $(srcdir)/doc/ghdl.1 $(gcc_vhdl_dir)
	$(MKDIR) $(gcc_vhdl_dir)/ghdldrv
	$(CP) -pR $(srcdir)/src/ghdldrv/*.ad? $(gcc_vhdl_dir)/ghdldrv
	$(CP) -p $(srcdir)/dist/gcc/Make-lang.in $(gcc_vhdl_dir)
	$(CP) -p $(srcdir)/dist/gcc/config-lang.in $(gcc_vhdl_dir)
	$(CP) -p $(srcdir)/dist/gcc/lang-options.h $(gcc_vhdl_dir)
	$(CP) -p $(srcdir)/dist/gcc/lang-specs.h $(gcc_vhdl_dir)

libs.vhdl.gcc:
	$(MAKE) GHDL=$(bindir)/ghdl$(EXEEXT) vhdl.libs.all libs.vhdl.standard

ghdllib: libs.vhdl.gcc libgrt.a

install.gcc: install.vhdllib install.grt install.vpi

#################### For gcc backend - development only (local build) ####

GHDL_GCC_INCFLAGS=$(GHDL_COMMON_INCFLAGS)

ghdl1-gcc$(EXEEXT): version.ads force
	$(MAKE) -f $(srcdir)/src/ortho/gcc/Makefile \
	 ortho_srcdir=$(srcdir)/src/ortho ortho_exec=$@ \
	 GNAT_FLAGS="$(GHDL_GCC_INCFLAGS) $(GNATFLAGS)" all

ghdl_gcc$(EXEEXT): version.ads force
	$(GNATMAKE) $(GHDL_GCC_INCFLAGS) -aI$(srcdir)/src/ghdldrv \
	 $(GNATFLAGS) ghdl_gcc $(GNAT_BARGS) -largs $(GNAT_LARGS)

grt.links:
	cd $(libdirsuffix); \
	ln -sf $(libdirreverse)/grt.lst .; \
	ln -sf $(libdirreverse)/libgrt.a .; \
	ln -sf $(libdirreverse)/grt.ver .; \
	if test "x$(LIBBACKTRACE)" != x; then \
	  ln -sf $(libdirreverse)/libbacktrace.a .; \
	fi

libs.vhdl.local_gcc: ghdl_gcc$(EXEEXT) ghdl1-gcc$(EXEEXT)
	$(MAKE) GHDL=$(PWD)/ghdl_gcc$(EXEEXT) ANALYZE_OPTS="--GHDL1=ghdl1-gcc$(EXEEXT)" STD_GHDL_FLAGS="--GHDL1=$(PWD)/ghdl1-gcc$(EXEEXT)" vhdl.libs.all libs.vhdl.standard

ghdl1-debug$(EXEEXT): version.ads force
	$(MAKE) -f $(srcdir)/src/ortho/debug/Makefile \
	 ortho_srcdir=$(srcdir)/src/ortho ortho_exec=$@ \
	 GNAT_FLAGS="$(GHDL_GCC_INCFLAGS) $(GNATFLAGS)" \
	 GNATMAKE="$(GNATMAKE)" all

oread-gcc$(EXEEXT): force
	$(MAKE) -f $(srcdir)/src/ortho/gcc/Makefile \
	 ortho_srcdir=$(srcdir)/src/ortho ortho_exec=$@ \
	 GNAT_FLAGS="-aI$(srcdir)/src/ortho/oread $(GNATFLAGS)" all

#################### For llvm backend ##############################

GHDL_LLVM_INCFLAGS=$(GHDL_COMMON_INCFLAGS) -aI$(srcdir)/src/ghdldrv -aI$(srcdir)/src/grt -aI$(srcdir)/src/ortho -aI$(srcdir)/src/ortho/$(llvm_be)

all.llvm: ghdl1-llvm$(EXEEXT) ghdl_llvm$(EXEEXT) grt-all libs.vhdl.llvm all.vpi

all.llvm_jit: ghdl_llvm_jit$(EXEEXT)

ghdl_llvm_jit$(EXEEXT): GRT_FLAGS+=-DWITH_GNAT_RUN_TIME
ghdl_llvm_jit$(EXEEXT): $(GRT_ADD_OBJS) $(GRT_SRC_DEPS) $(ORTHO_DEPS) \
               llvm-cbindings.o version.ads force
	$(GNATMAKE) -o $@ $(GHDL_LLVM_INCFLAGS) $(GNATFLAGS) ghdl_jit.adb \
	 $(GNAT_BARGS) -largs llvm-cbindings.o $(GNAT_LARGS) $(GRT_ADD_OBJS) \
	 $(subst @,$(GRTSRCDIR),$(GRT_EXTRA_LIB)) --LINK=$(CLANGXX) \
	 `$(LLVM_CONFIG) --ldflags --libs --system-libs` $(LDFLAGS)

llvm-cbindings.o: $(srcdir)/src/ortho/$(llvm_be)/llvm-cbindings.cpp
	$(CLANGXX) -c `$(LLVM_CONFIG) --includedir --cxxflags` \
	  $(OPT_FLAGS) -o $@ $<

libs.vhdl.llvmjit: ghdl_llvm_jit$(EXEEXT)
	$(MAKE) GHDL=$(PWD)/ghdl_llvm_jit$(EXEEXT) vhdl.libs.all

libs.vhdl.llvm: ghdl_llvm$(EXEEXT) ghdl1-llvm$(EXEEXT)
	$(MAKE) GHDL=$(PWD)/ghdl_llvm$(EXEEXT) ANALYZE_OPTS="--GHDL1=ghdl1-llvm$(EXEEXT)" vhdl.libs.all libs.vhdl.standard

ghdl_llvm$(EXEEXT): version.ads force
	$(GNATMAKE) $(GHDL_LLVM_INCFLAGS) -aI$(srcdir)/src/ghdldrv $(GNATFLAGS)\
	 ghdl_llvm $(GNAT_BARGS) -largs $(LDFLAGS) $(GNAT_LARGS)

ghdl1-llvm$(EXEEXT): version.ads force
	$(MAKE) -f $(srcdir)/src/ortho/$(llvm_be)/Makefile \
	 ortho_srcdir=$(srcdir)/src/ortho ortho_exec=$@ \
	 GNAT_FLAGS="$(GHDL_LLVM_INCFLAGS) $(GNATFLAGS)" LDFLAGS="$(LDFLAGS)" \
	 LLVM_CONFIG="$(LLVM_CONFIG)" CLANGXX="$(CLANGXX)" \
	 llvm_be_ver="$(llvm_be_ver)" all

oread-llvm$(EXEEXT): force
	$(MAKE) -f $(srcdir)/src/ortho/$(llvm_be)/Makefile \
	 ortho_srcdir=$(srcdir)/src/ortho ortho_exec=$@ \
	 GNATMAKE="$(GNATMAKE)" \
	 GNAT_FLAGS="-aI$(srcdir)/src/ortho/oread $(GNATFLAGS)" \
	 LLVM_CONFIG="$(LLVM_CONFIG)" CLANGXX="$(CLANGXX)" \
	 llvm_be_ver="$(llvm_be_ver)"

install.llvm.program: install.dirs ghdl1-llvm$(EXEEXT) ghdl_llvm$(EXEEXT)
	$(INSTALL_PROGRAM) ghdl_llvm$(EXEEXT) $(DESTDIR)$(bindir)/ghdl$(EXEEXT)
	$(INSTALL_PROGRAM) ghdl1-llvm$(EXEEXT) $(DESTDIR)$(bindir)/ghdl1-llvm$(EXEEXT)

install.llvm: install.llvm.program install.vhdllib install.grt install.vpi

################ For simul (no code generation, interpretation) ##########

GHDL_SIMUL_INCFLAGS=$(GHDL_COMMON_INCFLAGS) -aI$(srcdir)/src/ghdldrv -aI$(srcdir)/src/vhdl/simulate -aI$(srcdir)/src/grt

ghdl_simul$(EXEEXT): $(GRT_ADD_OBJS) $(GRT_SRC_DEPS) version.ads force
	$(GNATMAKE) $(GHDL_SIMUL_INCFLAGS) $(GNATFLAGS) ghdl_simul $(GNAT_BARGS) -largs $(GNAT_LARGS) $(GRT_ADD_OBJS) $(subst @,$(GRTSRCDIR),$(GRT_EXTRA_LIB))

libs.vhdl.simul: ghdl_simul$(EXEEXT)
	$(MAKE) GHDL=$(PWD)/ghdl_simul$(EXEEXT) vhdl.libs.all

################ mhdlsim (library for the vhdl part) ####################

GHDL_MHDLSIM_INCFLAGS=$(GHDL_COMMON_INCFLAGS) -aI$(srcdir)/src/mhdlsim -aI$(srcdir)/src/ghdldrv -aI$(srcdir)/src/vhdl/simulate -aI$(srcdir)/src/grt

libmhdlsimvhdl.a:  $(GRT_ADD_OBJS) $(GRT_SRC_DEPS) version.ads force
	$(GNATMAKE) -c mhdlsim $(GNATFLAGS) $(GHDL_MHDLSIM_INCFLAGS)
	gnatbind -Lmhdlsim_vhdl_ mhdlsim.ali -O > mhdlsim.files
	gnatbind -Lmhdlsim_vhdl_ mhdlsim.ali -K -Z > mhdlsim.link
	$(GNATMAKE) -c b~mhdlsim.adb
	$(RM) -f $@
	ar rc $@ b~mhdlsim.o `cat mhdlsim.files` $(GRT_ADD_OBJS)

################ ghwdump #################################################

GHWDUMP_OBJS=ghwdump.o ghwlib.o

ghwdump: $(GHWDUMP_OBJS)
	$(CC) -o $@ $(GHWDUMP_OBJS)

ghwdump.o: $(srcdir)/src/grt/ghwdump.c $(srcdir)/src/grt/ghwlib.h
	$(CC) -c -o $@ $< $(OPT_FLAGS) $(WARN_CFLAGS)

ghwlib.o: $(srcdir)/src/grt/ghwlib.c $(srcdir)/src/grt/ghwlib.h
	$(CC) -c -o $@ $< $(OPT_FLAGS) $(WARN_CFLAGS)

############### grt #####################################################

install.grt: libgrt.a grt.lst install.dirs
	$(INSTALL_DATA) libgrt.a $(DESTDIR)$(VHDL_LIB_DIR)/libgrt.a
	$(INSTALL_DATA) grt.lst $(DESTDIR)$(VHDL_LIB_DIR)/grt.lst
	$(INSTALL_DATA) $(GRTSRCDIR)/grt.ver $(DESTDIR)$(VHDL_LIB_DIR)/grt.ver

################ VPI #####################################################

vpi_thunk.o: $(GRTSRCDIR)/vpi_thunk.c $(GRTSRCDIR)/vpi_thunk.h
#	Do not use OPT_FLAGS (do not enable coverage)
	$(CC) -c -o $@ $< $(PIC_FLAGS) -O $(WARN_CFLAGS)

libghdlvpi.so: vpi_thunk.o
	$(CC) -o $@ $< -shared -Wl,-soname,libghdlvpi.so

libghdlvpi.dll: vpi_thunk.o
	$(CC) -o $@ $< -shared

libghdlvpi.dylib: vpi_thunk.o
#       Allow the use of -rpath in executable
	$(CC) -o $@ $< -shared -Wl,-install_name,@rpath/libghdlvpi.dylib

all.vpi: libghdlvpi$(SOEXT)

install.vpi: all.vpi install.dirs
	$(INSTALL_DATA) -p libghdlvpi$(SOEXT) $(DESTDIR)$(libdir)/
	$(INSTALL_DATA) -p $(GRTSRCDIR)/vpi_user.h $(DESTDIR)$(incdir)/

################ Libraries ###############################################

LIBSRC_DIR:=$(srcdir)/libraries
LIBDST_DIR:=$(libdirsuffix)

ANALYZE_DEP:=ghdl_$(backend)$(EXEEXT)
GHDL=$(PWD)/$(ANALYZE_DEP)
ANALYZE_OPTS:=
ANALYZE:=$(GHDL) -a $(ANALYZE_OPTS) $(LIB_CFLAGS)

# TODO?: don't include, make it separate
include $(srcdir)/libraries/Makefile.inc

# TODO?: move std_standard in libraries/Makefile
ifeq "$(backend)" "gcc"
  # ghdl with gcc backend is already installed, no need to specify ghdl1
  # (and we don't know where it is).
  STD_GHDL_FLAGS=
else
  # Specify ghdl1 path, as it is spawned by ghdl.
  STD_GHDL_FLAGS=--GHDL1=$(PWD)/ghdl1-$(backend)$(EXEEXT)
endif

$(LIB93_DIR)/std/std_standard.o: $(GHDL)
	cd $(LIB93_DIR)/std; \
	 $(GHDL) --bootstrap-standard $(STD_GHDL_FLAGS) --std=93 $(LIB_CFLAGS)

$(LIB87_DIR)/std/std_standard.o: $(GHDL)
	cd $(LIB87_DIR)/std; \
	 $(GHDL) --bootstrap-standard $(STD_GHDL_FLAGS) --std=87 $(LIB_CFLAGS)

$(LIB08_DIR)/std/std_standard.o: $(GHDL)
	cd $(LIB08_DIR)/std; \
	 $(GHDL) --bootstrap-standard $(STD_GHDL_FLAGS) --std=08 $(LIB_CFLAGS)

libs.vhdl.standard: $(LIB93_DIR)/std/std_standard.o \
 $(LIB87_DIR)/std/std_standard.o \
 $(LIB08_DIR)/std/std_standard.o

install.dirs:
	[ -d $(DESTDIR)$(prefix) ] || $(MKDIR) -p $(DESTDIR)$(prefix)
	[ -d $(DESTDIR)$(bindir) ] || $(MKDIR) -p $(DESTDIR)$(bindir)
	[ -d $(DESTDIR)$(libdir) ] || $(MKDIR) -p $(DESTDIR)$(libdir)
	[ -d $(DESTDIR)$(prefix)/$(libdirsuffix) ] || \
	  $(MKDIR) -p $(DESTDIR)$(prefix)/$(libdirsuffix)
	[ -d $(DESTDIR)$(incdir) ] || $(MKDIR) -p $(DESTDIR)$(incdir)

install.vhdllib: install.dirs
	for d in $(VHDLLIB_SUBDIRS); do \
	  $(MKDIR) -p $(DESTDIR)$(VHDL_LIB_DIR)/$$d; \
	  $(INSTALL_DATA) -p \
	    $(LIBDST_DIR)/$$d/* $(DESTDIR)$(VHDL_LIB_DIR)/$$d; \
	done
        # Vendors scripts
	$(MKDIR) -p $(DESTDIR)$(VHDL_LIB_DIR)/vendors
	$(INSTALL_DATA) -p \
	    $(LIBSRC_DIR)/vendors/* $(DESTDIR)$(VHDL_LIB_DIR)/vendors/
	$(INSTALL_PROGRAM) -p \
	    $(LIBSRC_DIR)/vendors/*.sh $(DESTDIR)$(VHDL_LIB_DIR)/vendors/

####################### clean ############################################

clean: force
	$(RM) -f *.o *.ali b~*.ad? *~ *.d b__*.ad? *.a *.so *.deps *.bexch version.*
	$(RM) -f ghdl_gcc$(EXEEXT) ghdl_mcode$(EXEEXT) ghdl$(EXEEXT) ghdl_llvm$(EXEEXT) ghdl_llvm_jit$(EXEEXT) ghdl_simul$(EXEEXT)
	$(RM) -f ghdl1-gcc$(EXEEXT) ghdl1-llvm$(EXEEXT) ghdl1-debug$(EXEEXT)
	$(RM) -f run-bind.ad? grt.lst grt-files grt-files.in
	$(RM) -rf lib

distclean: clean
	$(RM) -f default_pathes.ads ortho_code-x86-flags.ads
	$(RM) -f grt-backtrace-impl.ads
	$(RM) -f Makefile config.status ghdl.gpr

clean-c: force
	$(RM) -f memsegs_c.o chkstk.o jumps.o times.o grt-cbinding.o grt-cvpi.o
	$(RM) -f fstapi.o fastlz.o lz4.o

force:

.PHONY: force clean distclean clean-c