#!/usr/bin/make -f

#
# debian/rules for perl.
#
# Note that although this rules file currently invokes tools from dpkg-dev
# implemented in perl (such as dpkg-architecture and so on), it aspires
# to not use perl at all, so that a new architecture can easily be
# bootstrapped. This aspiration should be considered when changing this
# file.
#
# <http://lists.alioth.debian.org/pipermail/perl-maintainers/2012-January/002870.html>

# we use bash-specific functionality, at least "shopt -s globstar"
export SHELL = /bin/bash

# at least LOCALTIME_{MIN,MAX} are affected by this
export TZ=UTC

# Configure output is sorted and varies with LC_COLLATE
export LC_ALL=C

# use the timestamp from debian/changelog for Pod::Man generated man pages
# this may end up in dpkg-buildpackage eventually but it's not there yet
export SOURCE_DATE_EPOCH = $(shell date -d "$$(dpkg-parsechangelog -SDate)" +%s)

fullversion := $(shell /bin/bash debian/config.debian --full-version)
nextversion := $(shell /bin/bash debian/config.debian --next-version)
version     := $(shell /bin/bash debian/config.debian --version)
installtype := $(shell /bin/bash debian/config.debian --install-type)
test_target := $(shell /bin/bash debian/config.debian --test-target)
strip	    := $(shell /bin/bash debian/config.debian --strip)
archtriplet := $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
arch        := $(shell dpkg-architecture -qDEB_HOST_ARCH)
srcdir      := $(shell pwd)
packages    := $(shell sed -n 's/^Package: *//p' debian/control)
arch_pkgs   := $(shell sed -n '/^Package:/ { s/^Package: *//; h }; /^Architecture: any/ { x; p }' debian/control)
indep_pkgs  := $(shell sed -n '/^Package:/ { s/^Package: *//; h }; /^Architecture: all/ { x; p }' debian/control)
build_date  := $(shell dpkg-parsechangelog | sed -n -e 's/^Date: //p')
tmp	    = debian/tmp
bin         = $(tmp)/usr/bin
man         = $(tmp)/usr/share/man
lib         = $(tmp)/usr/lib/$(archtriplet)/perl/$(version)
share       = $(tmp)/usr/share/perl/$(version)
build	    = debian/build
debug       = $(build)/perl-debug/usr/lib/debug
patches     = debian/patches/series
patchlevel  = patchlevel-debian.h

# we put the generated config.sh files here
pcd         = $(tmp)/usr/lib/$(archtriplet)/perl/debian-config-data-$(fullversion)

# If nonempty, this will determine $Config{debian_abi} and Provides: entries
# (otherwise, the Provides: entries will be generated by debian/mkprovides)
perlabi =

checkdir    = test -d debian
checkroot   = test `id -u` -eq 0
checkperl   = $(SHELL) debian/checkperl

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

OBJCOPY = $(DEB_HOST_GNU_TYPE)-objcopy
STRIP = $(DEB_HOST_GNU_TYPE)-strip

# Invoking PERL_TO_USE is expected to find its standard library
# without additional command line arguments, so include lib/ here
# in its definition.
ifeq ($(DEB_HOST_GNU_TYPE), $(DEB_BUILD_GNU_TYPE))
	PERL_TO_USE = $(srcdir)/perl.static -I $(srcdir)/lib
else
	PERL_TO_USE = $(shell which perl)
	export TIME_HIRES_DONT_RUN_PROBES=1
endif

# this may differ from $(fullversion) for release candidates and the like
package_upstream_version = $(shell dpkg-parsechangelog | \
        sed -ne 's/-[^-]\+$$//; s/^Version: *\([0-9]\+:\)*//p')

package_version = $(shell dpkg-parsechangelog | sed -n 's/^Version: *//p')

# this gets prepended to the patch names in patchlevel.h
patchprefix = DEBPKG:

# control file substitutions
subst_upstream = -VUpstream-Version=$(package_upstream_version)
subst_next_upstream = -VNext-Upstream-Version=$(nextversion)

ifeq (,$(perlabi))
subst_perlapi  = -Vperlapi:Provides="`$(PERL_TO_USE) debian/mkprovides`"
else
subst_perlapi  = -Vperlapi:Provides="perlapi-$(perlabi)"
endif

# for cpan/Compress-Raw-Zlib
export BUILD_ZLIB=False
export ZLIB_INCLUDE=/usr/include
export ZLIB_LIB=/usr/lib

# for cpan/Compress-Raw-Bzip2
export BUILD_BZIP2=0
export BZIP2_INCLUDE=/usr/include
export BZIP2_LIB=/usr/lib

build: build-stamp
install: install-stamp

build-arch: build
build-indep: build

build-stamp: $(patchlevel) perl.static perl.debug libperl.so.$(fullversion)
	touch $@

$(patchlevel): $(patches)
	$(checkdir)
	test -f $<	# maintainer sanity check
	debian/gen-patchlevel -p $(patchprefix) -v $(package_version) $< > $@
	# $patchlevel_date in perlbug is extracted from patchlevel.h mtime, let's set
	# it to highest mtime of Debian patches for build reproducibility
	patchdate=`debian/gen-patchlevel -d`; touch --date="@$$patchdate" patchlevel.h

perl.static:
	$(checkdir)
	rm -f libperl.so* # must be built last
	[ ! -f Makefile ] || $(MAKE) distclean
	[ -f $(patchlevel) ] || touch $(patchlevel)
	$(SHELL) debian/config.debian --static

	# stash generated config.sh
	cp config.sh config.sh.static

	$(MAKE) perl $(test_target)
	mv libperl.a libperl-static
	mv perl perl.static

ifeq ($(DEB_HOST_GNU_TYPE), $(DEB_BUILD_GNU_TYPE))
	# for the build log
	$(PERL_TO_USE) -Ilib -V
endif

	# save these for the perl-base package
	cp lib/Config.pm lib/Config.pm.static
	cp lib/Config_heavy.pl lib/Config_heavy.pl.static

perl.debug:
	$(checkdir)
	rm -f libperl.so* # must be built last
	[ ! -f Makefile ] || $(MAKE) distclean
	[ -f $(patchlevel) ] || touch $(patchlevel)
	$(SHELL) debian/config.debian --debug

	# stash generated config.sh
	cp config.sh config.sh.debug

	$(MAKE) perl
	mv perl perl.debug

libperl.so.$(fullversion):
	$(checkdir)
	[ ! -f Makefile ] || $(MAKE) distclean
	[ -f $(patchlevel) ] || touch $(patchlevel)
	$(SHELL) debian/config.debian --shared

	# stash generated config.sh
	cp config.sh config.sh.shared

	$(MAKE) SHRPLDFLAGS='$$(LDDLFLAGS) -Wl,-soname,libperl.so.$(version)' $@
	ln -s libperl.so.$(fullversion) libperl.so.$(version)
	ln -s libperl.so.$(version) libperl.so
	$(MAKE) all $(test_target) || { rm -f libperl.so*; exit 1; }

clean:
	$(checkdir)
	$(checkroot)
	test -f $(patches)	# maintainer sanity check
	[ ! -f Makefile ] || $(MAKE) distclean
	rm -rf config.over perl.static perl.debug libperl-static libperl.so* \
	    $(patchlevel) build-stamp install-stamp t/auto debian/shlibs.local \
	    debian/perl-base.shlibs debian/libperl$(version).shlibs \
	    build-miniperl build-generate_uudmap optdef.sh config.sh.* \
	    debian/substvars debian/files debian/list.tmp $(tmp) $(build)

install-stamp: build-stamp
	$(checkdir)
	$(checkroot)
	$(checkperl)
	rm -rf $(tmp) $(build)

	$(MAKE) install DESTDIR="$(tmp)"

	# these end up in the wrong place
	mv $(share)/Config.pm.static $(lib)
	mv $(share)/Config_heavy.pl.static $(lib)

	# switch man extensions to 1p and 3pm for vendor module installs
	$(PERL_TO_USE) -i -p \
	    -e 's/^(man1ext=).*/$$1'\''1p'\''/;' \
	    -e 's/^(man3ext=).*/$$1'\''3pm'\''/;' \
		$(lib)/Config.pm $(lib)/Config_heavy.pl \
		$(lib)/Config.pm.static $(lib)/Config_heavy.pl.static

ifeq (,$(perlabi))
else
	# add \$Config{debian_abi}
	sed -i -e "/version =>/i\    debian_abi => '$(perlabi)'," \
		$(lib)/Config.pm $(lib)/Config.pm.static
endif

	# avoid exposing the point release in libperl names, to
	# avoid unnecessary breakage
	# see #759989
	$(PERL_TO_USE) -i -p \
	    -e 's/^(libperl='\''libperl\.so)\.$(fullversion)'\''/$$1.$(version)'\''/' \
		$(lib)/Config.pm $(lib)/Config_heavy.pl \
		$(lib)/Config.pm.static $(lib)/Config_heavy.pl.static

	# remove dpkg-buildflags effects from %Config
	# see #657853
	if which dpkg-buildflags >/dev/null 2>&1; then \
		for flag in $(shell dpkg-buildflags --get CPPFLAGS) \
		         $(shell dpkg-buildflags --get CFLAGS); do \
			case "$$flag" in -fstack-protector) ;; \
			     *) export flag; $(PERL_TO_USE) -i -pe "/^(cc|cpp)flags/ and \
			          s/(['\s])\Q\$$ENV{flag}\E(['\s])/\1\2/ and s/  +/ /" \
		            $(lib)/Config.pm $(lib)/Config_heavy.pl \
		            $(lib)/Config.pm.static $(lib)/Config_heavy.pl.static ;; \
		    esac; done; \
		for flag in $(shell dpkg-buildflags --get LDFLAGS); do \
			export flag; $(PERL_TO_USE) -i -pe "/^ld(dl)?flags/ and \
			          s/(['\s])\Q\$$ENV{flag}\E(['\s])/\1\2/ and s/  +/ /" \
		          $(lib)/Config.pm $(lib)/Config_heavy.pl \
		          $(lib)/Config.pm.static $(lib)/Config_heavy.pl.static ; \
		done; \
	fi

	# convert required header files
	-cd /usr/include; \
	    $(srcdir)/debian/fake-config $(srcdir)/lib $(PERL_TO_USE) \
	    $(srcdir)/utils/h2ph -a -d $(srcdir)/$(lib) \
		`cat $(srcdir)/debian/headers`

	# fix up generated headers
	$(PERL_TO_USE) debian/fixheaders $(lib)

	# simple wrapper around Errno module
	cp debian/errno.ph $(lib)

ifeq (,$(findstring nocheck,$(DEB_BUILD_OPTIONS)))
ifeq (,$(findstring x-perl-notest,$(DEB_BUILD_OPTIONS)))
	# Verify that the headers are usable
	for ph in `< debian/headers sed -e 's/\.h$$/.ph/'`; do \
		if [ ! -f $(lib)/$$ph ]; then \
			echo "$$ph: missing"; else \
			echo $$ph | $(PERL_TO_USE) debian/check-require $(tmp) \
				|| exit 1; \
		fi; \
	done
endif
endif

	# remove some cruft
	rm -f $(lib)/.packlist

	# installperl copies the symlinks as a files
	rm -f $(lib)/CORE/libperl.so $(lib)/CORE/libperl.so.$(version)

	# remove versioned binary, relink after moving files
	rm -f $(bin)/perl$(fullversion)

	# relocate perl libraries and create links
	cp libperl-static $(tmp)/usr/lib/$(archtriplet)/libperl.a
	mv $(lib)/CORE/libperl.so.$(fullversion) $(tmp)/usr/lib/$(archtriplet)

	ln -s libperl.so.$(fullversion) $(tmp)/usr/lib/$(archtriplet)/libperl.so.$(version)
	ln -s libperl.so.$(version) $(tmp)/usr/lib/$(archtriplet)/libperl.so

	# move to full version (symlinks created in libperl5.* below)
	mv $(lib) $(tmp)/usr/lib/$(archtriplet)/perl/$(fullversion)
	mv $(share) $(tmp)/usr/share/perl/$(fullversion)

ifeq ($(installtype),static)
	cp perl.static $(bin)/perl
endif

	# install debug binary as debugperl
	cp perl.debug $(bin)/debugperl

	# install the stashed config.sh files
	mkdir -p $(pcd)
	cp config.sh.* $(pcd)
	gzip -n $(pcd)/config.sh.*
	cp debian/cross/README $(pcd)

	# split packages
	# Note: this relies on the order of debian/control
	for p in $(packages); \
	do \
	    mkdir -p $(build)/$$p; \
	    (cd $(tmp); \
	    	for sfx in '' .$(installtype); \
		do \
		    list=../$$p.files$$sfx; \
		    test -s $$list || continue; \
		    shopt -s globstar; \
		    find `grep -v '^#' $$list` ! -type d; \
		done) >debian/list.tmp; \
	    (cd $(tmp); cpio -vdumpl ../build/$$p) <debian/list.tmp 2>&1 | \
		grep -v ' linked to '; \
	    (cd $(tmp); $(PERL_TO_USE) -nle unlink) <debian/list.tmp; \
	done

	# ensure that all file have been moved from debian/tmp
	FILESLEFT=`find $(tmp) ! -type d`; \
	 if [ -n "$$FILESLEFT" ]; then \
		echo "error:files left in debian/tmp:"; \
		echo "$$FILESLEFT"; \
	    exit 1; \
	 fi

	# move pod out of -base modules and into .pod files in -doc
	$(PERL_TO_USE) debian/splitdoc $(build)/perl-base

	# copy the essential parts of the standard library into a perl-base specific path
	for d in $(build)/perl-base/usr/lib/$(archtriplet)/perl/$(fullversion) \
	         $(build)/perl-base/usr/share/perl/$(fullversion); do \
	    (cd $$d && find . -print0 | \
	      cpio -0vdump $(srcdir)/$(build)/perl-base/usr/lib/$(archtriplet)/perl-base); \
	done
	# then move the original ones into libperl5.xx and perl-modules-5.xx
	(cd $(build)/perl-base && \
	 find usr/lib/$(archtriplet)/perl/$(fullversion) -print0 | \
	      cpio -0vdump $(srcdir)/$(build)/libperl$(version); \
	     rm -rf usr/lib/$(archtriplet)/perl/$(fullversion); \
	 find usr/share/perl/$(fullversion) -print0 | \
	      cpio -0vdump $(srcdir)/$(build)/perl-modules-$(version); \
	     rm -rf usr/share/perl/$(fullversion); \
	     rmdir usr/share/perl; \
	 )

	# install a separate cpan binary in libperl5.xx with a modified hashbang
	lp=$(build)/libperl$(version); \
	 mkdir -p $$lp/usr/bin; \
	 cp -p perl $$lp/usr/bin/perl$(version)-$(archtriplet); \
	 cp -p $(build)/perl/usr/bin/cpan $$lp/usr/bin/cpan$(version)-$(archtriplet); \
	 sed -i "1 s,/usr/bin/perl,/usr/bin/perl$(version)-$(archtriplet)," \
	  $$lp/usr/bin/cpan$(version)-$(archtriplet)

ifeq ($(installtype),static)
	# make the static configuration available to /usr/bin/perl
	mkdir -p $(build)/perl-base/usr/lib/$(archtriplet)/perl-base
	mv $(build)/libperl$(version)/usr/lib/$(archtriplet)/perl/$(fullversion)/Config.pm.static $(build)/perl-base/usr/lib/$(archtriplet)/perl-base/Config.pm
	mv $(build)/libperl$(version)/usr/lib/$(archtriplet)/perl/$(fullversion)/Config_heavy.pl.static $(build)/perl-base/usr/lib/$(archtriplet)/perl-base/Config_heavy.pl
else
	rm $(build)/libperl$(version)/usr/lib/$(archtriplet)/perl/$(fullversion)/Config.pm.static $(build)/perl/usr/lib/$(archtriplet)/perl/$(fullversion)/Config_heavy.pl.static
endif

	# create symlinks to match @INC
	ln -s $(fullversion) $(build)/libperl$(version)/usr/lib/$(archtriplet)/perl/$(version)
	ln -s $(fullversion) $(build)/perl-modules-$(version)/usr/share/perl/$(version)

ifeq (,$(findstring nocheck,$(DEB_BUILD_OPTIONS)))
ifeq (,$(findstring x-perl-notest,$(DEB_BUILD_OPTIONS)))
	# Verify that perl-base stays self contained

	( cd $(build)/perl-base && find . -name '*.p[hlm]' ) | \
	  $(PERL_TO_USE) $(srcdir)/debian/check-require $(build)/perl-base
endif
endif

	# move section 1 manual pages back to perl for installed programs
	mkdir -p $(build)/perl/usr/share/man/man1
	find $(build)/perl/usr/bin -type f -printf "%f\n" | \
	    while read prog; \
	    do \
		m=$(build)/perl-doc/usr/share/man/man1/$$prog.1; \
		if test -f $$m; \
		then \
		    mv $$m $(build)/perl/usr/share/man/man1; \
		else \
		    echo "warning: no manual page for $$prog" >&2; \
		fi; \
	    done

	# copy manual pages for {perl,cpan}<version>-<arch>
	test -d     $(build)/libperl$(version)/usr/share/man/man1 || \
	   mkdir -p $(build)/libperl$(version)/usr/share/man/man1
	cp $(build)/perl-base/usr/share/man/man1/perl.1 \
	   $(build)/libperl$(version)/usr/share/man/man1/perl$(version)-$(archtriplet).1
	cp $(build)/perl/usr/share/man/man1/cpan.1 \
	   $(build)/libperl$(version)/usr/share/man/man1/cpan$(version)-$(archtriplet).1

	# remove some linked man pages (symlinked later and cause
	# problems as-is when compressing)
	rm -f $(build)/perl/usr/share/man/man1/pstruct.1 \
	    $(build)/perl/usr/share/man/man1/perlthanks.1

	# the diagnostics module needs perldiag.pod
	mkdir $(build)/perl-modules-$(version)/usr/share/perl/$(fullversion)/pod
	mv $(build)/perl-doc/usr/share/perl/$(fullversion)/pod/perldiag.pod \
	    $(build)/perl-modules-$(version)/usr/share/perl/$(fullversion)/pod

	# copy dummy perldoc to perl package
	cp debian/perl.perldoc $(build)/perl/usr/bin/perldoc
	chmod 755 $(build)/perl/usr/bin/perldoc

	# install rename script to bin (as prename, alternative configured)
	cp debian/rename $(build)/perl/usr/bin/prename
	chmod 755 $(build)/perl/usr/bin/prename

	$(PERL_TO_USE) $(build)/perl/usr/bin/pod2man --official \
	    debian/rename >$(build)/perl/usr/share/man/man1/prename.1

	# install docs
	for p in $(packages); \
	do \
	    doc=$(build)/$$p/usr/share/doc; \
	    test -d $$doc || mkdir -p $$doc; \
	    if test -f debian/$$p.docs; \
	    then \
		while read src target; \
		do \
		    d=`echo $$target | sed 's,/[^/]*$$,,'`; \
		    test -d $$doc/$$d || mkdir -p $$doc/$$d; \
		    if [ "$$src" = "debian/changelog" ] && \
		       head -1 $$src | grep -iq 'binary-only=yes'; \
		    then \
		        # split out binNMU changelog entries \
		        debian/split-binnmu $$src > $$doc/$$target \
		                                 2> $$doc/$${target}.$(arch); \
		    else \
		        cp -p $$src $$doc/$$target; \
		    fi; \
		done <debian/$$p.docs; \
	    fi; \
	    test -d $$doc/$$p || ln -s perl $$doc/$$p; \
	done

	# lintian overrides
	for p in $(packages); \
	do \
	    if test -f debian/$$p.lintian-overrides; \
	    then \
	    d="$(build)/$$p/usr/share/lintian/overrides"; \
	    mkdir -p $$d; \
	    cp debian/$$p.lintian-overrides $$d/$$p; \
	    fi; \
	done

	# remove empty directories left after moving module docs
	find $(build)/perl-modules-$(version)/usr/share/perl/$(fullversion) \
	    -depth -type d -empty | xargs -r rmdir

	# want these in /etc since /usr may not be writable
	mkdir -p $(build)/perl/etc/perl/CPAN \
	    $(build)/perl/etc/perl/Net

	# default configuration for libnet
	cp debian/libnet.cfg $(build)/perl/etc/perl/Net

	# symlinks for perl-cross-config
	ccdir=$(build)/libperl$(version)/usr/lib/$(archtriplet)/perl/cross-config-$(fullversion); \
	  mkdir -p $$ccdir; \
	  ln -s ../$(fullversion)/Config.pm $$ccdir; \
	  ln -s ../$(fullversion)/Config_heavy.pl $$ccdir

	# example to strip "." from @INC (CVE-2016-1238)
	cp debian/sitecustomize.pl $(build)/perl/etc/perl

	# compress
	find $(build)/*/usr/share/man -type f -print | xargs -r gzip -n9
	find $(build)/*/usr/share/doc -type f \
	    \( -name changelog\* -o \( -size +4k ! -name copyright \) \) \
	    -print | xargs -r gzip -n9

ifeq ($(strip),yes)
	# strip
	find $(build)/*/usr/bin $(build)/*/usr/lib -type f \
	    \( -name \*.so\* -o -name \*.a -o -perm /111 \) -print | \
	    grep -v ^$(build)/perl-debug/ | \
	    while read f; \
	    do \
		type=`file $$f`; \
		extra=; \
		case "$$type" in \
		    *ELF*shared\ object*) \
		    	extra=--strip-unneeded;; \
		esac; \
		case "$$type" in \
		    *ELF*) \
			path=/$${f#$(build)/*/}; \
			dir=$${path%/*}; \
			test -d $(debug)$$dir || mkdir -p $(debug)$$dir; \
			# stash debugging symbols \
			$(OBJCOPY) --only-keep-debug $$f $(debug)$$path; \
			# strip \
			$(STRIP) --remove-section=.comment --remove-section=.note \
			    $$extra $$f; \
			# add debuglink \
			$(OBJCOPY) --add-gnu-debuglink=$(debug)$$path $$f; \
		esac; \
	    done
	    # versioned hardlink for the detached debug symbols
	    ln $(debug)/usr/bin/perl \
	        $(debug)/usr/bin/perl$(fullversion)
endif
	# re-create versioned link
	# this has to go after the stripping part if there are other links
	# to the file (like perl-suid used to)
	ln $(build)/perl-base/usr/bin/perl \
	    $(build)/perl-base/usr/bin/perl$(fullversion)

	# links
	mkdir -p $(build)/perl-debug/usr/share/man/man1

	ln -s perl.1.gz $(build)/perl-debug/usr/share/man/man1/debugperl.1.gz
	ln -s perl.1.gz $(build)/perl-base/usr/share/man/man1/perl$(fullversion).1.gz
	ln -s c2ph.1.gz $(build)/perl/usr/share/man/man1/pstruct.1.gz
	ln -s perlbug.1.gz $(build)/perl/usr/share/man/man1/perlthanks.1.gz

	ln -s changelog.gz $(build)/perl/usr/share/doc/perl/Changes.gz

	# fixperms
	find $(build) -print | xargs -r chown -h root:root
	find $(build) -type d -print | xargs -r chmod 755
	find $(build) -type f -print | xargs -r chmod go=rX,u+rw,a-s
	find $(build)/*/usr/bin -type f -print | xargs -r chmod a+x
	find $(build)/*/usr/lib -type f -name \*.so\* -print | xargs -r chmod a-x
	find $(build)/*/usr/share/doc $(build)/*/usr/share/man -type f \
	    -print | xargs -r chmod 644

	touch $@

# Build architecture-independent files here.
binary-indep: build-stamp install-stamp
	$(checkdir)
	$(checkroot)
	rm -f debian/substvars
	for p in $(indep_pkgs); \
	do \
	    rm -rf $(build)/$$p/DEBIAN; \
	    mkdir $(build)/$$p/DEBIAN; \
	    chmod 755 $(build)/$$p/DEBIAN; \
	    for c in preinst postinst prerm postrm; \
	    do \
		test -f debian/$$p.$$c || continue; \
		cp debian/$$p.$$c $(build)/$$p/DEBIAN/$$c; \
		chmod 755 $(build)/$$p/DEBIAN/$$c; \
	    done; \
	    test -d $(build)/$$p/etc && find $(build)/$$p/etc -type f \
		-printf '/etc/%P\n' | LC_ALL=C sort >$(build)/$$p/DEBIAN/conffiles; \
	    chmod 644 $(build)/$$p/DEBIAN/conffiles; \
	    (cd $(build)/$$p; find usr -type f -print | LC_ALL=C sort | xargs -r md5sum) \
		>$(build)/$$p/DEBIAN/md5sums; \
	    chmod 644 $(build)/$$p/DEBIAN/md5sums; \
	    dpkg-gencontrol -p$$p -P$(build)/$$p $(subst_upstream) $(subst_next_upstream); \
	    find $(build)/$$p -depth -newermt '$(build_date)' -print0 | \
	        xargs -0r touch --no-dereference --date='$(build_date)'; \
	    dpkg --build $(build)/$$p ..; \
	done

# Build architecture-dependent files here.
binary-arch: build-stamp install-stamp
	$(checkdir)
	$(checkroot)
ifeq ($(installtype),static)
	echo 'libperl $(version) libperl$(version) (= $${binary:Version})' \
	    >debian/shlibs.local

	echo 'libperl $(version) libperl$(version) (>= $(package_upstream_version))' \
	    >debian/libperl$(version).shlibs
else
	echo 'libperl $(version)' >debian/shlibs.local
	echo 'libperl $(version) libperl$(version) (>= $(package_upstream_version))' \
	    >debian/perl-base.shlibs
endif

	for p in $(arch_pkgs); \
	do \
	    rm -rf $(build)/$$p/DEBIAN debian/substvars; \
	    mkdir $(build)/$$p/DEBIAN; \
	    for c in preinst postinst prerm postrm shlibs triggers; \
	    do \
		test -f debian/$$p.$$c || continue; \
		cp debian/$$p.$$c $(build)/$$p/DEBIAN/$$c; \
		chmod 755 $(build)/$$p/DEBIAN/$$c; \
	    done; \
	    ! test -f $(build)/$$p/DEBIAN/shlibs || chmod 644 $(build)/$$p/DEBIAN/shlibs; \
	    ! test -f $(build)/$$p/DEBIAN/triggers || chmod 644 $(build)/$$p/DEBIAN/triggers; \
	    test -d $(build)/$$p/etc && find $(build)/$$p/etc -type f \
		-printf '/etc/%P\n' | LC_ALL=C sort >$(build)/$$p/DEBIAN/conffiles; \
	    chmod 644 $(build)/$$p/DEBIAN/conffiles; \
	    (cd $(build)/$$p; find usr -type f -print | LC_ALL=C sort | xargs -r md5sum) \
		>$(build)/$$p/DEBIAN/md5sums; \
	    chmod 644 $(build)/$$p/DEBIAN/md5sums; \
	done
ifeq ($(installtype),static)
	dpkg-gensymbols -plibperl$(version) -P$(build)/libperl$(version)
endif
	# dpkg-shlibdeps needs to be run only after all the shlibs are present
	for p in $(arch_pkgs); \
	do \
	    find $(build)/$$p/usr -type f \
		\( -perm /111 -o -name \*.so\* \) -print | \
		fgrep -v /usr/lib/debug/ | \
		xargs -r dpkg-shlibdeps -S$(srcdir)/$(build)/libperl$(version) \
		                        -S$(srcdir)/$(build)/perl-base 2>&1 | \
		fgrep -v 'File format not recognized'; # scripts \
	    dpkg-gencontrol -p$$p -P$(build)/$$p $(subst_perlapi) $(subst_upstream); \
	    find $(build)/$$p -depth -newermt '$(build_date)' -print0 | \
	        xargs -0r touch --no-dereference --date='$(build_date)'; \
	    dpkg --build $(build)/$$p ..; \
	done

binary: binary-indep binary-arch

.NOTPARALLEL:

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