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

export DEB_BUILD_MAINT_OPTIONS=hardening=+all

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

VENDOR=$(shell dpkg-vendor --query vendor | env LC_ALL=C tr A-Z a-z | env LC_ALL=C tr -d -c '[:alnum:]')

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=$(VENDOR)/$(DEB_VERSION)
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)

%:
	dh $@

override_dh_auto_build-arch: build-dynamic build-static
build-dynamic:
	dh_auto_build -B obj
build-static:
	dh_auto_build -B obj-static

override_dh_auto_build-indep:
	dh_auto_build -B obj -- pdf

override_dh_auto_test-arch:
	if dpkg-architecture -qDEB_BUILD_ARCH_OS | grep -qv hurd; then \
		HOME="$(CURDIR)/obj/testhome" ZTST_verbose=1 dh_auto_test -B obj; \
	fi
	#HOME="$(CURDIR)/obj-static/testhome" ZTST_verbose=1 dh_auto_test -B obj-static || true

override_dh_auto_test-indep:

override_dh_auto_configure:
	chmod 755 configure
	mkdir -p obj/testhome obj-static/testhome
	dh_auto_configure -B obj -- $(CONFIGFLAGS)
	dh_auto_configure -B obj-static -- $(CONFIGFLAGS) $(STATICFLAGS)

	sed -e 's/#define VENDOR "pc"/#define VENDOR "$(VENDOR)"/' \
	    -i obj/config.h obj-static/config.h
	sed -e 's/files.mdd link=no/files.mdd link=static/;s/stat.mdd link=no/stat.mdd link=static/' \
	    -i obj-static/config.modules

override_dh_auto_clean:
	dh_auto_clean -B obj
	dh_auto_clean -B obj-static

override_dh_installdocs-indep:
	dh_installdocs -pzsh-doc --link-doc=zsh-common --doc-main-package=zsh-common
	dh_installdocs -pzsh-common

# Needs a freshly built (arch-dependent) zsh executable to compile .zwc files
override_dh_auto_install-indep: build-dynamic
	cd obj && $(MAKE) install.man DESTDIR=$(CURDIR)/debian/zsh-common
	perl $(CURDIR)/Util/helpfiles Doc/zshbuiltins.1 debian/zsh-common/usr/share/zsh/help

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

	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
	obj/Src/zsh -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 && $(MAKE) install.info install.html \
	    DESTDIR=$(CURDIR)/debian/zsh-doc htmldir=/usr/share/doc/zsh-common/html
	rm -f debian/zsh-doc/usr/share/info/dir*

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

override_dh_installexamples-indep:
	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/*

override_dh_install-indep:
	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`

override_dh_compress-indep:
	dh_compress -i -Xpdf

override_dh_auto_install-arch:
	cd obj && $(MAKE) install.bin install.modules \
	    DESTDIR=$(CURDIR)/debian/zsh INSTALL_PROGRAM='$(INSTALL_PROGRAM)'
	rm debian/zsh/bin/zsh-5.[0-9]*

override_dh_strip-arch:
	dh_strip -pzsh --dbgsym-migration=zsh-dbg
	dh_strip -pzsh-static

override_dh_shlibdeps-arch:
	dh_shlibdeps -pzsh -- \
		-dDepends    debian/zsh/bin/*   \
		-dRecommends debian/zsh/usr/lib/*/zsh/*/zsh/*.so

override_dh_installdocs-arch:
	dh_installdocs -a
	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

override_dh_install-arch:
	dh_install -a

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

	find debian/zsh-dev/usr/include/zsh -name '*.h' -o -name '*.mdh' | \
	  xargs sed -e 's@\.\./config\.h@config.h@;s@#\(\s*\)include "\([^"]\+\)"@#\1include <zsh/\2>@' -i

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

override_dh_gencontrol-arch:
	dh_gencontrol -a -- -VBuilt-Using="$(BUILT_USING)"

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

.PHONY: get-orig-source