#!/usr/bin/make -f
INSTALL = install
INSTALL_PROGRAM = $(INSTALL) -p -o root -g root -m 755

# Disable -fstack-protector-strong on s390x as it causes endless loops
# in gcc-4.9. See https://bugs.debian.org/759870 for details
ifeq (s390x,$(shell dpkg-architecture -qDEB_BUILD_ARCH))
export DEB_BUILD_MAINT_OPTIONS=hardening=-stackprotectorstrong
endif

DPKG_EXPORT_BUILDFLAGS = 1
include /usr/share/dpkg/buildflags.mk
H_LDFLAGS = $(LDFLAGS)

CFLAGS += -Wall -g

CONFIGFLAGS =  --prefix=/usr
CONFIGFLAGS += --mandir=/usr/share/man
CONFIGFLAGS += --bindir=/bin
CONFIGFLAGS += LDFLAGS="-Wl,--as-needed -g $(H_LDFLAGS)"

CONFIGFLAGS += --infodir=/usr/share/info
CONFIGFLAGS += --enable-maildir-support
CONFIGFLAGS += --enable-max-jobtable-size=256
CONFIGFLAGS += --enable-etcdir=/etc/zsh
CONFIGFLAGS += --enable-function-subdirs
CONFIGFLAGS += --enable-site-fndir=/usr/local/share/zsh/site-functions
CONFIGFLAGS += --enable-fndir=/usr/share/zsh/functions
CONFIGFLAGS += --with-tcsetpgrp
CONFIGFLAGS += --with-term-lib="ncursesw tinfo"
CONFIGFLAGS += --enable-cap --enable-pcre
CONFIGFLAGS += --enable-readnullcmd=pager
CONFIGFLAGS += --enable-custom-patchlevel=Debian
CONFIGFLAGS += --enable-additional-fpath=/usr/share/zsh/vendor-functions,/usr/share/zsh/vendor-completions
CONFIGFLAGS += --disable-ansi2knr

STATICFLAGS =  --disable-dynamic
STATICFLAGS += --enable-ldflags=-static
STATICFLAGS += --disable-dynamic-nss

ifneq (,$(findstring debug,$(DEB_BUILD_OPTIONS)))
CONFIGFLAGS += --enable-zsh-debug
CONFIGFLAGS += --enable-zsh-mem-debug
CONFIGFLAGS += --enable-zsh-mem-warning
CONFIGFLAGS += --enable-zsh-secure-free
CONFIGFLAGS += --enable-zsh-hash-debug
endif

BUILT_USING=$(shell dpkg-query -f '$${source:Package} (= $${source:Version}), ' -W libcap-dev libncursesw5-dev libpcre3-dev libc-dev-bin)

build: build-arch build-indep

build-arch: configure-stamp
	dh_auto_build -B obj --parallel
	if dpkg-architecture -qDEB_BUILD_ARCH_OS | grep -qv hurd; then \
		HOME="$(CURDIR)/obj/testhome" ZTST_verbose=1 dh_auto_test -B obj --parallel; \
	fi
	touch $@

build-indep: configure-stamp
	dh_auto_build -B obj --parallel -- pdf
	touch $@

build-static: configure-static-stamp
	dh_testdir
	dh_auto_build -B obj-static --parallel
	#HOME="$(CURDIR)/obj-static/testhome" ZTST_verbose=1 dh_auto_test -B obj-static --parallel || true
	touch $@

build-debug: DEB_BUILD_OPTIONS+=debug
build-debug: build

configure:
	touch stamp-h.in
	dh_autotools-dev_updateconfig
	dh_autoreconf

configure-stamp: configure
	dh_testdir
	chmod 755 configure
	mkdir -p obj/testhome
	dh_auto_configure -B obj -- $(CONFIGFLAGS)
	touch $@

configure-static-stamp: configure
	dh_testdir
	mkdir -p obj-static/testhome
	dh_auto_configure -B obj-static -- $(CONFIGFLAGS) $(STATICFLAGS)
#	cp debian/static.conf obj-static/Src/mymods.conf
	sed -i -e 's/files.mdd link=no/files.mdd link=static/;s/stat.mdd link=no/stat.mdd link=static/' \
	    obj-static/config.modules
	touch $@

clean:
	dh_testdir
	dh_autoreconf_clean
	dh_autotools-dev_restoreconfig
	rm -f build build-static
	dh_auto_clean -B obj        --parallel
	dh_auto_clean -B obj-static --parallel
	dh_auto_clean               --parallel
	dh_clean
	rm -rf config.cache obj obj-static autom4te.cache

binary-indep: build-indep binary-arch-dynamic
	dh_testdir
	dh_testroot
	dh_installdocs -i --link-doc=zsh-common
	dh_installdirs -i

	cd obj && $(MAKE) install.man DESTDIR=$(CURDIR)/debian/zsh-common
	perl $(CURDIR)/Util/helpfiles Doc/zshbuiltins.1 debian/zsh-common/usr/share/zsh/help

# functions
	dh_installexamples -pzsh-common -X.distfiles
	cd debian/zsh-common/usr/share/doc/zsh-common/examples/; mv Example Functions
	sed -i -e '1!b;s:^#!.*[ /]zsh:#!/bin/zsh:;s#/usr/local/bin#/usr/bin#' \
	   debian/zsh-common/usr/share/doc/zsh-common/examples/Misc/*

	cd obj && $(MAKE) install.fns DESTDIR=$(CURDIR)/debian/zsh-common
	rm -r debian/zsh-common/usr/local

# move this to a non-root section; also drop it for cross-compiles
	awk '/^#define FPATH_DIR/     { head=$$3;       gsub(/"/,"",head); };        \
             /^#define FPATH_SUBDIRS/ { $$1=""; $$2=""; gsub(/[" ]/,""); tail=$$0; } \
             END                      { printf "%s/%s\n", head, tail; };'            \
	    obj/Src/zshpaths.h >obj/Src/zshpaths.temp
	debian/zsh/bin/zsh5 -fc \
            'setopt extendedglob; \
	     for i in debian/zsh-common/'`cat obj/Src/zshpaths.temp`'; do \
		 zcompile -U -M $$i.zwc $$i/*~*.zwc(^/);                  \
		 chmod 644 $$i.zwc;                                       \
	     done'

# Docs: Info + HTML
	cd obj && $(MAKE) install.info DESTDIR=$(CURDIR)/debian/zsh-doc
	rm -f debian/zsh-doc/usr/share/info/dir*
	cd obj && $(MAKE) install.html DESTDIR=$(CURDIR)/debian/zsh-doc htmldir=/usr/share/doc/zsh-doc/html

# Work around texi2html unfriendliness
	sed -i -e 's/<BODY.*>/<BODY LANG="EN">/' debian/zsh-doc/usr/share/doc/zsh-doc/html/*.html

	dh_install -i

# Doesn't this need to go before we zcompile stuff into .zwc files? -- Axel
	sed -i -e 's,^local HELPDIR=.*,local HELPDIR=$${HELPDIR:-/usr/share/zsh/help},; s,:-more,:-/usr/bin/pager,;' \
		debian/zsh-common/usr/share/zsh/functions/Misc/run-help
	sed -i -e '1!b;s:^#!.*[ /]zsh:#!/bin/zsh:;s#/usr/local/bin#/usr/bin#;' \
		`find debian/zsh-common/usr/share/zsh/functions -type f`

	dh_link              -i
	dh_bugfiles          -i
	dh_installmenu                    -pzsh-common
	dh_installdocs                    -pzsh-common
	dh_installchangelogs    -pzsh-doc -pzsh-common
	dh_lintian           -i
	dh_compress          -i                        -Xpdf
	dh_fixperms          -i
	dh_installdeb        -i
	dh_md5sums           -i
	dh_gencontrol        -i
	dh_builddeb          -i

binary-arch-dynamic: build-arch
	dh_testdir
	dh_testroot

	dh_installdirs -pzsh             -pzsh-dbg

# modules
	cd obj && $(MAKE) install.bin     DESTDIR=$(CURDIR)/debian/zsh INSTALL_PROGRAM='$(INSTALL_PROGRAM)'
	cd obj && $(MAKE) install.modules DESTDIR=$(CURDIR)/debian/zsh INSTALL_PROGRAM='$(INSTALL_PROGRAM)'

	mv debian/zsh/bin/zsh debian/zsh/bin/zsh5
	rm debian/zsh/bin/zsh-5.[0-9]*

	dh_bugfiles    -pzsh
	dh_strip       -pzsh --dbg-package=zsh-dbg
	dh_install     -pzsh             -pzsh-dbg

	dh_shlibdeps   -pzsh             -pzsh-dbg -- \
		-dDepends    debian/zsh/bin/*   \
		-dRecommends debian/zsh/usr/lib/*/zsh/*/zsh/*.so

	dh_installdocs -pzsh             -pzsh-dbg --link-doc=zsh
	dh_installchangelogs -pzsh

binary-arch-static: build-static
	dh_testdir
	dh_testroot

	dh_installdirs       -pzsh-static

	# Do not symlink /usr/share/doc/zsh-static to
	# /usr/share/doc/zsh-common because zsh-static has a unique,
	# generated README.Debian, and because --link-doc between
	# arch-dep and arch-indep packages breaks binNMUs
	dh_installdocs       -pzsh-static
	awk 'BEGIN { print "The following modules are statically-compiled into the static zsh binary:\n"; } /link=static/ { printf "%s (%s %s)\n", substr($$1,6), $$4, $$5; }' obj-static/config.modules >debian/zsh-static/usr/share/doc/zsh-static/README.Debian

	dh_bugfiles          -pzsh-static
	dh_install           -pzsh-static
	dh_strip             -pzsh-static

	mv debian/zsh-static/bin/zsh  debian/zsh-static/bin/zsh5-static
	mv debian/zsh-static/bin/zsh4 debian/zsh-static/bin/zsh4-static
	sed -e 's:#!/bin/zsh5:#!/bin/zsh5-static:' -i debian/zsh-static/bin/zsh4-static

	dh_installchangelogs -pzsh-static

binary-arch-dev: build-arch
	dh_testdir
	dh_testroot

	dh_installdirs -pzsh-dev
	dh_install     -pzsh-dev

	cd debian/zsh-dev/usr/share/aclocal; mv aczshoot.m4 zshoot.m4

	dh_installdocs -pzsh-dev
	dh_installchangelogs -pzsh-dev

binary-arch: binary-arch-dynamic binary-arch-static binary-arch-dev
	dh_lintian    -a
	dh_link       -a
	dh_compress   -a
	dh_fixperms   -a
	dh_installdeb -a
	dh_gencontrol -a -- -VBuilt-Using="$(BUILT_USING)"
	dh_md5sums    -a
	dh_builddeb   -a

binary: binary-indep binary-arch binary-arch-static binary-arch-dev

get-orig-source: version=$(shell git describe --tags --abbrev=0 --match='zsh-*' | sed -e 's/^zsh-//')
get-orig-source:
	git archive --format=tar --output=../zsh_$(version).orig.tar --prefix=zsh-$(version)/ zsh-$(version)
	xz -7v ../zsh_$(version).orig.tar

.PHONY: binary binary-arch binary-indep clean binary-arch-dynamic binary-arch-static binary-arch-dev get-orig-source