#!/usr/bin/make -f
# -*- makefile -*-

soversion = 8
libversion = $(soversion).3

# architecture dependent variables
DEB_HOST_ARCH		?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
DEB_HOST_ARCH_OS	?= $(shell dpkg-architecture -qDEB_HOST_ARCH_OS)
DEB_HOST_GNU_TYPE	?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
DEB_BUILD_GNU_TYPE	?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
DEB_HOST_MULTIARCH	?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)

ifneq ($(DEB_HOST_GNU_TYPE),$(DEB_BUILD_GNU_TYPE))
CROSS=$(DEB_HOST_GNU_TYPE)-gcc
else
CROSS=gcc
endif

ifeq (,$(filter noudeb,$(DEB_BUILD_PROFILES)))
  buildudeb = yes
endif

ifneq (,$(findstring /$(DEB_HOST_ARCH)/,/i386/powerpc/sparc/s390/))
  build64 = yes
  CC64 = $(CROSS) -m64
  gencontrol_flags = -- \
	'-Vdevxx:Depends=libc6-dev-$(ARCH64)'
  ifeq ($(DEB_HOST_ARCH),i386)
    ARCH64 = amd64
    HOST64 = x86_64-linux-gnu
  endif
  ifeq ($(DEB_HOST_ARCH),powerpc)
    ARCH64 = ppc64
    HOST64 = ppc64-linux-gnu
  endif
  ifeq ($(DEB_HOST_ARCH),sparc)
    ARCH64 = sparc64
    HOST64 = sparc64-linux-gnu
  endif
  ifeq ($(DEB_HOST_ARCH),s390)
    ARCH64 = s390x
    HOST64 = s390x-linux-gnu
  endif
endif

ifneq (,$(findstring /$(DEB_HOST_ARCH)/,/amd64/ppc64/))
  build32 = yes
  CC32 = $(CROSS) -m32
  lib32dir = usr/lib32
  gencontrol_flags = -- \
	'-Vdevxx:Depends=libc6-dev-$(ARCH32)'
  ifeq ($(DEB_HOST_ARCH),amd64)
    ARCH32 = i386
    HOST32 = i486-linux-gnu
  endif
  ifeq ($(DEB_HOST_ARCH),ppc64)
    ARCH32 = powerpc
    HOST32 = powerpc-linux-gnu
  endif
endif

unexport CPPFLAGS CFLAGS LDFLAGS

ifneq ($(filter nobiarch,$(DEB_BUILD_PROFILES)),)
build32 =
build64 =
endif

CFLAGS := $(shell dpkg-buildflags --get CFLAGS)
CPPFLAGS := $(shell dpkg-buildflags --get CPPFLAGS)
LDFLAGS := $(shell dpkg-buildflags --get LDFLAGS)
CFLAGS := $(CFLAGS) -I/usr/include/ncursesw

CC	= $(CROSS)

SHELL	= bash

p_rl	= libreadline$(soversion)t64
p_rlu	= libreadline$(soversion)-udeb
p_rl32	= lib32readline$(soversion)
p_rl64	= lib64readline$(soversion)
p_comm	= readline-common
p_commu	= readline-common-udeb
p_rld	= libreadline-dev
p_rld32	= lib32readline-dev
p_rld64	= lib64readline-dev
p_doc	= readline-doc
p_rlfe	= rlfe

d	= debian/tmp
du	= debian/tmp-udeb
d32	= debian/tmp32
d64	= debian/tmp64
d_rl	= debian/$(p_rl)
d_rlu	= debian/$(p_rlu)
d_rl32	= debian/$(p_rl32)
d_rl64	= debian/$(p_rl64)
d_comm	= debian/$(p_comm)
d_commu	= debian/$(p_commu)
d_rld	= debian/$(p_rld)
d_rld32	= debian/$(p_rld32)
d_rld64	= debian/$(p_rld64)
d_doc	= debian/$(p_doc)
d_rlfe	= debian/$(p_rlfe)

srcdir		= $(CURDIR)
builddir	= $(CURDIR)/build
builddiru	= $(CURDIR)/buildudeb
builddir32	= $(CURDIR)/build32
builddir64	= $(CURDIR)/build64

default: build

configure: configure-stamp
configure-stamp:
	dh_testdir
	cp -p /usr/share/misc/config.* ./support/
	rm -rf $(builddir)
	mkdir $(builddir)
	find . -type d | xargs chmod g-s
	chmod +x configure
	cd $(builddir) && \
	  CC=$(CC) CFLAGS="$(CFLAGS)" CPPFLAGS="$(CPPFLAGS)" $(srcdir)/configure \
		--prefix=/usr\
		--host=$(DEB_HOST_GNU_TYPE) \
		--libdir=/usr/lib/$(DEB_HOST_MULTIARCH)

ifneq ($(buildudeb),)
	rm -rf $(builddiru)
	mkdir $(builddiru)
	cd $(builddiru) && \
	  CFLAGS="$(CFLAGS) -Os" CPPFLAGS="$(CPPFLAGS)" $(srcdir)/configure \
		--prefix=/usr\
		--host=$(DEB_HOST_GNU_TYPE) \
		--libdir=/usr/lib/$(DEB_HOST_MULTIARCH)
endif

ifneq ($(build32),)
	rm -rf $(builddir32)
	mkdir $(builddir32)
	cd $(builddir32) && \
	  CC="$(CC32)" CFLAGS="$(CFLAGS)" CPPFLAGS="$(CPPFLAGS)" $(srcdir)/configure \
		--host=$(HOST32) --prefix=/usr
endif

ifneq ($(build64),)
	rm -rf $(builddir64)
	mkdir $(builddir64)
	cd $(builddir64) && \
	  CC="$(CC64)" CFLAGS="$(CFLAGS)" CPPFLAGS="$(CPPFLAGS)" $(srcdir)/configure \
		--host=$(HOST64) --prefix=/usr
endif

	touch configure-stamp

debian/%:debian/%.in
	sed 's/#DEB_HOST_MULTIARCH#/$(DEB_HOST_MULTIARCH)/g' $< > $@

build: build-stamp $(if $(filter cross,$(DEB_BUILD_PROFILES)),,build-rlfe-stamp)
build-arch: build
build-indep: build

build-stamp: configure-stamp
	dh_testdir
	$(MAKE) -C $(builddir) \
	    CFLAGS="$(CFLAGS)" CPPFLAGS="$(CPPFLAGS)" \
	    SHOBJ_CFLAGS="-fPIC -D_REENTRANT" \
	    SHOBJ_LDFLAGS='$(LDFLAGS) -shared' \
	    SHLIB_LIBS="-ltinfo"

ifneq ($(buildudeb),)
	$(MAKE) -C $(builddiru) \
	    CFLAGS="$(CFLAGS) -Os" CPPFLAGS="$(CPPFLAGS)" \
	    SHOBJ_CFLAGS="-fPIC -D_REENTRANT" \
	    SHOBJ_LDFLAGS='$(LDFLAGS) -shared' \
	    SHLIB_LIBS="-ltinfo"
endif

ifneq ($(build32),)
	$(MAKE) -C $(builddir32) \
	    CC="$(CC32)" \
	    CFLAGS="$(CFLAGS)" CPPFLAGS="$(CPPFLAGS)" \
	    SHOBJ_CFLAGS="-fPIC -D_REENTRANT" \
	    SHOBJ_LDFLAGS='$(LDFLAGS) -shared' \
	    SHLIB_LIBS="-ltinfo"
	    SHLIB_XLDFLAGS='-Wl,-soname,`echo $$@ | sed s/\\..$$$$//`'
endif

ifneq ($(build64),)
	$(MAKE) -C $(builddir64) \
	    CC="$(CC64)" \
	    CFLAGS="$(CFLAGS)" CPPFLAGS="$(CPPFLAGS)" \
	    SHOBJ_CFLAGS="-fPIC -D_REENTRANT" \
	    SHOBJ_LDFLAGS='$(LDFLAGS) -shared' \
	    SHLIB_LIBS="-ltinfo"
	    SHLIB_XLDFLAGS='-Wl,-soname,`echo $$@ | sed s/\\..$$$$//`'
endif
	$(MAKE) -C $(builddir)/doc info

	touch build-stamp

build-rlfe-stamp: configure-stamp
	dh_testdir
	ln -sf libhistory.so.$(libversion) \
	    $(builddir)/shlib/libhistory.so.$(soversion)
	ln -sf libhistory.so.$(soversion) $(builddir)/shlib/libhistory.so
	ln -sf libreadline.so.$(libversion) \
	    $(builddir)/shlib/libreadline.so.$(soversion)
	ln -sf libreadline.so.$(soversion) $(builddir)/shlib/libreadline.so
	rm -rf $(builddir)/examples/rlfe
	cp -a examples/rlfe $(builddir)/examples/
	ln -sf ../../.. $(builddir)/examples/rlfe/readline
	chmod +x $(builddir)/examples/rlfe/configure
	cd $(builddir)/examples/rlfe \
		&& ./configure --prefix=/usr --host=$(DEB_HOST_GNU_TYPE) \
	    CFLAGS="$(CFLAGS) -Wno-implicit-int -Wno-implicit-function-declaration -Wno-builtin-declaration-mismatch -D_GNU_SOURCE" CPPFLAGS="$(CPPFLAGS)"
	$(MAKE) -C $(builddir)/examples/rlfe \
	    CFLAGS="$(CFLAGS) -Wno-implicit-int -Wno-implicit-function-declaration -Wno-builtin-declaration-mismatch -D_GNU_SOURCE" CPPFLAGS="$(CPPFLAGS)" \
	    LDFLAGS="$(LDFLAGS) -g -L$(builddir)/shlib" \
	    LIBS="-lreadline -ltinfo -lutil" rlfe
	touch build-rlfe-stamp

clean:
	dh_testdir
	dh_testroot
	rm -f configure*-stamp build*-stamp install-stamp
	rm -rf autom4te.cache
	rm -rf $(builddir) $(builddir32) $(builddir64) $(builddiru)
	rm -rf debian/tmp*
	rm -f doc/*.dvi
	rm -f debian/shlibs.local
	find . -type d | xargs chmod g-s
	rm -f support/config.guess support/config.sub
	rm -f debian/libreadline8t64.preinst debian/libreadline8t64.postrm
	dh_clean

install: install-stamp
install-stamp:
	dh_testdir
	dh_testroot
	dh_prep
	rm -rf $(d)
	mkdir -p $(d)/usr/bin
	mkdir -p $(d)/usr/lib/$(DEB_HOST_MULTIARCH)/pkgconfig
	$(MAKE) -C $(builddir) install \
	    CFLAGS="$(CFLAGS)" CPPFLAGS="$(CPPFLAGS) -D_REENTRANT" \
	    SHOBJ_LDFLAGS='-shared $(LDFLAGS)' \
	    SHLIB_XLDFLAGS='-Wl,-soname,`echo $$@ | sed s/\\..$$$$//`' \
	    SHLIB_LIBS=-ltinfo \
	    DESTDIR=$(CURDIR)/$(d) \
	    mandir=/usr/share/man \
	    infodir=/usr/share/info

	: # move $(p_rl)
	dh_installdirs -p$(p_rl) \
		usr/lib/$(DEB_HOST_MULTIARCH) \
		usr/share/doc
	cp -a $(d)/usr/lib/$(DEB_HOST_MULTIARCH)/lib{history,readline}.so.* $(d_rl)/usr/lib/$(DEB_HOST_MULTIARCH)/

	: # move $(p_comm)
	dh_installdirs -p$(p_comm) \
		etc \
		usr/share/readline \
		usr/share/info \
		usr/share/doc
	mv $(d)/usr/share/man $(d_comm)/usr/share/.
	mv $(d_comm)/usr/share/man/man3/history.3 \
		$(d_comm)/usr/share/man/man3/history.3readline
	mv $(d_comm)/usr/share/man/man3/readline.3 \
		$(d_comm)/usr/share/man/man3/readline.3readline
	mv $(d)/usr/share/info/rluserman.info $(d_comm)/usr/share/info/.
	install -m 644 debian/inputrc $(d_comm)/usr/share/readline/

	: # move $(p_rld)
	dh_installdirs -p$(p_rld) \
		usr/lib/$(DEB_HOST_MULTIARCH)/pkgconfig \
		usr/share/doc \
		usr/share/info
	ln -s libhistory.so.$(soversion) \
		$(d_rld)/usr/lib/$(DEB_HOST_MULTIARCH)/libhistory.so
	ln -s libreadline.so.$(soversion) \
		$(d_rld)/usr/lib/$(DEB_HOST_MULTIARCH)/libreadline.so
	mv $(d)/usr/lib/$(DEB_HOST_MULTIARCH)/lib{history,readline}.a \
		$(d_rld)/usr/lib/$(DEB_HOST_MULTIARCH)/.
	mv $(d)/usr/lib/$(DEB_HOST_MULTIARCH)/pkgconfig/readline.pc \
		$(d_rld)/usr/lib/$(DEB_HOST_MULTIARCH)/pkgconfig/.
	mv $(d)/usr/include $(d_rld)/usr/.

	: # remove HAVE_CONFIG_H from installed headers
	awk '/^#if defined \(HAVE_CONFIG_H\)/, /^#endif/ \
	     {if ($$0 == "#else") print "#include <string.h>"; next} {print}' \
	  $(d_rld)/usr/include/readline/chardefs.h \
	  > $(d_rld)/usr/include/readline/chardefs.h.new
	if diff -u $(d_rld)/usr/include/readline/chardefs.h \
		$(d_rld)/usr/include/readline/chardefs.h.new; \
	then \
	  rm -f $(d_rld)/usr/include/readline/chardefs.h.new; \
	else \
	  mv -f $(d_rld)/usr/include/readline/chardefs.h.new \
	    $(d_rld)/usr/include/readline/chardefs.h; \
	fi

ifeq (,$(filter cross,$(DEB_BUILD_PROFILES)))
	: # install $(p_rlfe)
	dh_installdirs -p$(p_rlfe) \
	    usr/bin usr/share/man/man1 \
	    usr/share/doc/$(p_rlfe)
	cp -p $(builddir)/examples/rlfe/rlfe $(d_rlfe)/usr/bin/.
	cp -p debian/rlfe.1 $(d_rlfe)/usr/share/man/man1/.
endif

ifneq ($(buildudeb),)
	rm -rf $(du)
	mkdir -p $(du)/usr/bin
	mkdir -p $(du)/usr/lib/pkgconfig
	$(MAKE) -C $(builddiru) install \
	    CC="$(CCu)" \
	    CFLAGS="$(CFLAGS)" CPPFLAGS="$(CPPFLAGS) -D_REENTRANT" \
	    SHOBJ_LDFLAGS='-shared $(LDFLAGS)' \
	    SHLIB_XLDFLAGS='-Wl,-soname,`echo $$@ | sed s/\\..$$$$//`' \
	    SHLIB_LIBS=-ltinfo \
	    DESTDIR=$(CURDIR)/$(du) \
	    mandir=/usr/share/man \
	    infodir=/usr/share/info

	dh_installdirs -p$(p_rlu) \
	    usr/lib/$(DEB_HOST_MULTIARCH)
	cp -p $(du)/usr/lib/$(DEB_HOST_MULTIARCH)/lib{history,readline}.so.$(libversion) \
		$(d_rlu)/usr/lib/$(DEB_HOST_MULTIARCH)/
	ln -s libhistory.so.$(libversion) \
		$(d_rlu)/usr/lib/$(DEB_HOST_MULTIARCH)/libhistory.so.$(soversion)
	ln -s libreadline.so.$(libversion) \
		$(d_rlu)/usr/lib/$(DEB_HOST_MULTIARCH)/libreadline.so.$(soversion)

	dh_installdirs -p$(p_commu) \
		usr/share/readline
	install -m 644 debian/inputrc $(d_commu)/usr/share/readline/
endif

ifneq ($(build32),)
	rm -rf $(d32)
	mkdir -p $(d32)/usr/bin
	mkdir -p $(d32)/usr/lib/pkgconfig
	$(MAKE) -C $(builddir32) install \
	    CC="$(CC32)" \
	    CFLAGS="$(CFLAGS)" CPPFLAGS="$(CPPFLAGS) -D_REENTRANT" \
	    SHOBJ_LDFLAGS='-shared $(LDFLAGS)' \
	    SHLIB_XLDFLAGS='-Wl,-soname,`echo $$@ | sed s/\\..$$$$//`' \
	    SHLIB_LIBS=-ltinfo \
	    DESTDIR=$(CURDIR)/$(d32) \
	    mandir=/usr/share/man \
	    infodir=/usr/share/info

	dh_installdirs -p$(p_rl32) \
	    $(lib32dir) \
	    usr/share/doc
	cp -p $(d32)/usr/lib/lib{history,readline}.so.$(libversion) \
		$(d_rl32)/$(lib32dir)/
	ln -s libhistory.so.$(libversion) \
		$(d_rl32)/$(lib32dir)/libhistory.so.$(soversion)
	ln -s libreadline.so.$(libversion) \
		$(d_rl32)/$(lib32dir)/libreadline.so.$(soversion)

	dh_installdirs -p$(p_rld32) \
	    $(lib32dir) \
	    usr/share/doc
	ln -s libhistory.so.$(soversion) \
		$(d_rld32)/$(lib32dir)/libhistory.so
	ln -s libreadline.so.$(soversion) \
		$(d_rld32)/$(lib32dir)/libreadline.so
	mv $(d32)/usr/lib/lib{history,readline}.a $(d_rld32)/$(lib32dir)/.
endif

ifneq ($(build64),)
	rm -rf $(d64)
	mkdir -p $(d64)/usr/bin
	mkdir -p $(d64)/usr/lib/pkgconfig
	$(MAKE) -C $(builddir64) install \
	    CC="$(CC64)" \
	    CFLAGS="$(CFLAGS)" CPPFLAGS="$(CPPFLAGS) -D_REENTRANT" \
	    SHOBJ_LDFLAGS='-shared $(LDFLAGS)' \
	    SHLIB_XLDFLAGS='-Wl,-soname,`echo $$@ | sed s/\\..$$$$//`' \
	    SHLIB_LIBS=-ltinfo \
	    DESTDIR=$(CURDIR)/$(d64) \
	    mandir=/usr/share/man \
	    infodir=/usr/share/info

	dh_installdirs -p$(p_rl64) \
	    lib64 \
	    usr/share/doc
	dh_installdirs -p$(p_rld64) \
	    usr/share/doc
	cp -p $(d64)/usr/lib/lib{history,readline}.so.$(libversion) \
		$(d_rl64)/lib64/
	ln -s libhistory.so.$(libversion) \
		$(d_rl64)/lib64/libhistory.so.$(soversion)
	ln -s libreadline.so.$(libversion) \
		$(d_rl64)/lib64/libreadline.so.$(soversion)

	dh_installdirs -p$(p_rld64) \
	    usr/lib64 \
	    usr/share/doc
	ln -s /lib64/libhistory.so.$(soversion) \
		$(d_rld64)/usr/lib64/libhistory.so
	ln -s /lib64/libreadline.so.$(soversion) \
		$(d_rld64)/usr/lib64/libreadline.so
	mv $(d64)/usr/lib/lib{history,readline}.a $(d_rld64)/usr/lib64/.
endif

	: # $(p_doc)
	mkdir -p $(d_doc)/usr/share/info
	mv $(d)/usr/share/info/{readline.info,history.info} \
		$(d_doc)/usr/share/info/.

	touch install-stamp

binary-indep: build install
	dh_testdir
	dh_testroot
	mkdir -p $(d_doc)/usr/share/doc/$(p_rl)/examples
	cp -p $(builddir)/examples/Makefile examples/*.c \
		$(d_doc)/usr/share/doc/$(p_rl)/examples/
	sed -i \
	  -e '/^srcdir =/s,=.*,= /usr/share/doc/$(p_rl)/examples,' \
	  -e '/^VPATH =/s,=.*,= .:/usr/share/doc/$(p_rl)/examples,' \
	  -e '/^top_srcdir =/s,=.*,= /usr/include/readline,' \
	  -e '/^BUILD_DIR =/s,=.*,= /usr/src/readline6/build,' \
	  -e 's/-ffile-prefix-map=[^ ]*[ ]*//g' \
	  -e 's/-fdebug-prefix-map=[^ ]*[ ]*//g' \
	  $(d_doc)/usr/share/doc/$(p_rl)/examples/Makefile
	dh_link -p$(p_doc) \
	  /usr/share/doc/$(p_rl)/examples /usr/share/doc/$(p_doc)/examples

	mkdir -p $(d_comm)/usr/share/lintian/overrides
	cp -p debian/readline-common.overrides \
		$(d_comm)/usr/share/lintian/overrides/readline-common
	dh_installdocs -p$(p_comm) debian/inputrc.arrows
	dh_installdocs -p$(p_doc)
	dh_installchangelogs -i
	dh_installdocs -i
	dh_fixperms -i
	dh_compress -i
	dh_installdeb -i
	dh_gencontrol -i
	dh_md5sums -i
	dh_builddeb -i

binary-arch: build install debian/libreadline8t64.preinst debian/libreadline8t64.postrm
	dh_testdir
	dh_testroot
	dh_installdocs -p$(p_rl) \
		USAGE debian/inputrc.arrows
	dh_installchangelogs -p$(p_rl) CHANGES
	dh_installexamples -p$(p_rl) \
		examples/Inputrc
	ln -sf $(p_rl) $(d_rld)/usr/share/doc/$(p_rld)

	dh_installdocs -p$(p_rlfe) examples/rlfe/README
	dh_installchangelogs -p$(p_rlfe) examples/rlfe/ChangeLog

	dh_fixperms -p$(p_rl) -p$(p_rld) -p$(p_rlfe)
	dh_strip -p$(p_rl) -p$(p_rld) -p$(p_rlfe)
	dh_compress -p$(p_rl) -p$(p_rld) -p$(p_rlfe) \
		-X.c -XMakefile
	dh_makeshlibs -p$(p_rl) --add-udeb=$(p_rlu)
	cp -p debian/libreadline.shlibs debian/shlibs.local
	dh_shlibdeps -p$(p_rl) -p$(p_rld) -p$(p_rlfe) \
		 -L $(p_rl) -l $(d_rl)/lib

ifneq ($(buildudeb),)
	dh_compress -p$(p_rlu)
	dh_fixperms -p$(p_rlu)
	dh_strip -p$(p_rlu)
	dh_makeshlibs -p$(p_rlu)
	-dh_shlibdeps -p$(p_rlu) \
		 -L $(p_rlu) -l $(d_rlu)/lib
endif

ifneq ($(build32),)
	-ls -l $(d_rld)/usr/share/doc/$(p_rl)
	dh_installdocs -p$(p_rl32) \
		USAGE debian/inputrc.arrows
	dh_installchangelogs -p$(p_rl32) CHANGES
	ln -sf $(p_rl32) $(d_rld32)/usr/share/doc/$(p_rld32)
	dh_compress -p$(p_rl32) -p$(p_rld32)
	dh_fixperms -p$(p_rl32) -p$(p_rld32)
	dh_strip -p$(p_rl32) -p$(p_rld32)
	dh_makeshlibs -p$(p_rl32)
	-dh_shlibdeps -p$(p_rl32) -p$(p_rld32) \
		 -L $(p_rl32) -l $(d_rl32)/lib
	-ls -l $(d_rld)/usr/share/doc/$(p_rl)
endif

ifneq ($(build64),)
	-ls -l $(d_rld)/usr/share/doc/$(p_rl)
	dh_installdocs -p$(p_rl64) \
		USAGE debian/inputrc.arrows
	dh_installchangelogs -p$(p_rl64) CHANGES
	ln -sf $(p_rl64) $(d_rld64)/usr/share/doc/$(p_rld64)
	dh_compress -p$(p_rl64) -p$(p_rld64)
	dh_fixperms -p$(p_rl64) -p$(p_rld64)
	dh_strip -p$(p_rl64) -p$(p_rld64)
	dh_makeshlibs -p$(p_rl64)
	-dh_shlibdeps -p$(p_rl64) -p$(p_rld64) \
		 -L $(p_rl64) -l $(d_rl64)/lib
	-ls -l $(d_rld)/usr/share/doc/$(p_rl)
endif

	dh_installdeb -a
	dh_gencontrol -a $(gencontrol_flags)
	dh_md5sums -a
	dh_builddeb -a

binary:		binary-indep binary-arch

.PHONY: binary binary-arch binary-indep clean

# Local Variables:
# mode: makefile
# end: