.PHONY: doc

GUILE:=guile
GUILE_FLAGS:=--no-auto-compile -L . -L guile -C . -C guile

include .config.make

.config.make:
	./configure

PHONY_TARGETS:= all all-go check clean clean-go default help install
.PHONY: $(PHONY_TARGETS)

default: all

all: build doc

build:
	./build.sh

cc:
	build-aux/build-cc.sh

mes-gcc:
	build-aux/build-cc32.sh

mes-tcc:
	CC32=$(TCC) build-aux/build-cc32.sh

mes:
	build-aux/build-mes.sh

clean:
	git clean -dfx

all-go:
	build-aux/build-guile.sh

clean-go:
	rm -f $(shell find . -name '*.go')

check:
	./check.sh


install:
	./install.sh

.config.make: ./configure

seed: all-go mes-gcc mes-tcc
	cd $(TINYCC_SEED) && MES_PREFIX=$(PWD) ./refresh.sh
	cd $(MES_SEED) && git reset --hard HEAD
	MES=$(GUILE) GUILE=$(GUILE) SEED=1 build-aux/build-mes.sh
	cd $(MES_SEED) && MES_PREFIX=$(PWD) ./refresh.sh
	MES=$(GUILE) GUILE=$(GUILE) SEED=1 build-aux/build-mes.sh
	cp lib/x86-mes/elf32-header.hex2\
           lib/x86-mes/x86.M1\
           lib/x86-mes/libc+tcc.S\
           lib/x86-mes/libc.S\
           lib/x86-mes/crt1.S\
           lib/x86-mes/libgetopt.S\
           $(MESCC_TOOLS_SEED)/libs
	cd $(MESCC_TOOLS_SEED) && MES_PREFIX=$(PWD) ./bootstrap.sh

doc/version.texi: doc/mes.texi GNUmakefile
	(set `LANG= date -r $< +'%d %B %Y'`;\
	echo "@set UPDATED $$1 $$2 $$3"; \
	echo "@set UPDATED-MONTH $$2 $$3"; \
	echo "@set EDITION $(VERSION)"; \
	echo "@set VERSION $(VERSION)") > $@

doc: info

info: doc/mes.info

doc/mes.info: doc/mes.texi doc/version.texi GNUmakefile
	$(MAKEINFO) -o $@ -I doc $<

install-info: info

define HELP_TOP
Usage: make [OPTION]... [TARGET]...

Targets:
  all             update everything
  all-go          update .go files
  cc              update src/mes.gcc-out
  doc             update documentation
  mes-gcc         update src/mes.mes-gcc-out
  mes-tcc         update src/mes.mes-tcc-out
  mes             update src/mes
  check           run unit tests
  clean           run git clean -dfx
  clean-go        clean .go files
  info            update info documentation
  install         install in $(PREFIX)
  install-info    install info docs in $(PREFIX)/share/info
  seed            update mes-seed in $(MES_SEED)
endef
export HELP_TOP
help:
	@echo "$$HELP_TOP"

ifdef PREFIX
export PREFIX
endif

ifdef VERSION
export VERSION
endif

ifdef CC
export CC
endif

ifdef CC32
export CC32
endif

ifdef BLOOD_ELF
export BLOOD_ELF
endif

ifdef M1
export M1
endif

ifdef HEX2
export HEX2
endif

ifdef GUILE
export GUILE
endif

ifdef GUILE_TOOLS
export GUILE_TOOLS
endif

ifdef TCC
export TCC
endif

ifdef GUILE_LOAD_PATH
export GUILE_LOAD_PATH
endif

ifdef GUILE_LOAD_COMPILED_PATH
export GUILE_LOAD_COMPILED_PATH
endif

ifdef CFLAGS
export CFLAGS
endif

ifdef C32FLAGS
export C32FLAGS
endif

ifdef HEX2FLAGS
export HEX2FLAGS
endif

ifdef M1FLAGS
export M1FLAGS
endif

ifdef MESCCFLAGS
export MESCCFLAGS
endif

ifdef MES_SEED
export MES_SEED
endif

ifdef MESCC_TOOLS_SEED
export MESCC_TOOLS_SEED
endif

ifdef TINYCC_SEED
export TINYCC_SEED
endif