#!/usr/bin/make -f
# -*- mode: Makefile; coding: utf-8 -*-

DEB_HOST_GNU_TYPE   ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
DEB_BUILD_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)

install_program = install -p    -o root -g root -m 755

FILES_TO_CLEAN  = TAGS tags debian/files debian/substvars MISC/texinfo/flex.info
DIRS_TO_CLEAN   = debian/html

CFLAGS = -Wall -g

ifneq (,$(filter noopt,$(DEB_BUILD_OPTIONS)))
  CFLAGS += -O0
else
  CFLAGS += -O2
endif

ifeq (,$(findstring nostrip,$(DEB_BUILD_OPTIONS)))
  LDFLAGS += -s
endif


build: build-arch build-indep
build-arch: build-arch-stamp
build-arch-stamp:
	dh_testdir
ifneq "$(wildcard /usr/share/misc/config.sub)" ""
	cp -f /usr/share/misc/config.sub config.sub
endif
ifneq "$(wildcard /usr/share/misc/config.guess)" ""
	cp -f /usr/share/misc/config.guess config.guess
endif
	ac_cv_lib_util_getloadavg=no ./configure --verbose --prefix=/usr \
		--build $(DEB_BUILD_GNU_TYPE) --host $(DEB_HOST_GNU_TYPE)

	$(MAKE) CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)"
	$(MAKE) -C po
	$(MAKE) check
	touch $@

build-indep: build-indep-stamp
build-indep-stamp:
	dh_testdir
	test -d debian/html || mkdir debian/html
	(cd debian/html; \
	 texi2html -doctype html2 -expandinfo -glossary -menu \
	           -split_chapter -o . -verbose  \
                   ../../MISC/texinfo/flex.texi)
	touch $@

binary: binary-arch binary-indep
binary-indep: build-indep
	dh_testdir
	dh_testroot
	dh_prep -i
	dh_installchangelogs -i NEWS
	dh_installdocs -i
	dh_link -i
	dh_compress -i
	dh_fixperms -i
	dh_installdeb -i
	dh_gencontrol -i
	dh_md5sums -i
	dh_builddeb -i

binary-arch: build-arch
	dh_testdir
	dh_testroot
	dh_prep -a
	dh_installchangelogs -a NEWS
	dh_installdocs -a
	$(MAKE) install prefix=debian/flex-old/usr \
	        infodir=debian/flex-old/usr/share/info \
	        mandir=debian/flex-old/usr/share/man/man1 \
                INSTALL_PROGRAM="$(install_program)"
	$(MAKE) install -C po DESTDIR=$(CURDIR)/debian/flex-old prefix=usr
	(cd MISC/texinfo && makeinfo --no-split flex.texi;)
	dh_installinfo -a
	dh_installman -a
	dh_link -a
	dh_strip -a
	dh_compress -a
	dh_fixperms -a
	dh_installdeb -a
	dh_shlibdeps -a
	dh_gencontrol -a
	dh_md5sums -a
	dh_builddeb -a

clean:
	dh_testdir
	dh_testroot
	rm -f build-indep-stamp build-arch-stamp
	$(MAKE) clean -C po || true
	-test -f Makefile && $(MAKE) distclean
	-rm -f  $(FILES_TO_CLEAN)
	-rm -rf $(DIRS_TO_CLEAN)
	rm -f config.sub config.guess
	-rm -f core `find . \( -name '*.orig' -o -name '*.rej' -o -name '*~'     \
	         -o -name '*.bak' -o -name '#*#' -o -name '.*.orig'              \
		 -o -name '.*.rej' -o -name '.SUMS' -o -size 0 \) -print` TAGS
	dh_clean

.PHONY: build build-arch build-indep binary binary-arch binary-indep clean