BINS=isutf8 ifdata ifne pee sponge mispipe lckdo parallel errno
PERLSCRIPTS=vidir vipe ts combine zrun chronic
MANS=sponge.1 vidir.1 vipe.1 isutf8.1 ts.1 combine.1 ifdata.1 ifne.1 pee.1 zrun.1 chronic.1 mispipe.1 lckdo.1 parallel.1 errno.1
CFLAGS?=-O2 -g -Wall
INSTALL_BIN?=install -s
PREFIX?=/usr

ifneq (,$(findstring CYGWIN,$(shell uname)))
	DOCBOOKXSL?=/usr/share/sgml/docbook/xsl-stylesheets
else
	DOCBOOKXSL?=/usr/share/xml/docbook/stylesheet/docbook-xsl
endif

DOCBOOK2XMAN=xsltproc --param man.authors.section.enabled 0 $(DOCBOOKXSL)/manpages/docbook.xsl

all: $(BINS) $(MANS)

clean:
	rm -f $(BINS) $(MANS) dump.c errnos.h errno.o \
		is_utf8/*.o is_utf8/isutf8

isutf8: is_utf8/*.c is_utf8/*.h
	$(MAKE) -C is_utf8/
	cp is_utf8/isutf8 .

install:
	mkdir -p $(DESTDIR)$(PREFIX)/bin
	$(INSTALL_BIN) $(BINS) $(DESTDIR)$(PREFIX)/bin
	install $(PERLSCRIPTS) $(DESTDIR)$(PREFIX)/bin

	mkdir -p $(DESTDIR)$(PREFIX)/share/man/man1
	install -m 644 $(MANS) $(DESTDIR)$(PREFIX)/share/man/man1

uninstall:
	for i in $(BINS) $(PERLSCRIPTS); do rm -f $(DESTDIR)$(PREFIX)/bin/$$i; done
	for i in $(MANS); do rm -f $(DESTDIR)$(PREFIX)/share/man/man1/$$i; done

check: isutf8
	./is_utf8/test.sh

%.1: %.docbook
	xmllint --noout --valid $<
	$(DOCBOOK2XMAN) $<

errno.o: errnos.h
errnos.h:
	echo '#include <errno.h>' > dump.c
	$(CC) -E -dD dump.c | awk '/^#define E/ { printf "{\"%s\",%s},\n", $$2, $$2 }' > errnos.h
	rm -f dump.c
	
errno.1: errno.docbook
	$(DOCBOOK2XMAN) $<

%.1: %
	pod2man --center=" " --release="moreutils" $< > $@;