#!/usr/bin/make -f
# debian/rules file for building the Debian GNU/Linux package bzip2.
# Copyright (C) 1999, 2000, 2001, 2002 Philippe Troin
# Copyright (C) 2004-2007 Anibal Monsalve Salazar <anibal@debian.org>

SHELL = /bin/bash
package = bzip2

testdir=test -x debian/rules && test -f bzip2.c
testroot=test "`id -nu`" = root

DEB_BUILD_GNU_TYPE	:= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
DEB_HOST_GNU_TYPE	:= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
DEB_HOST_ARCH		:= $(shell dpkg-architecture -qDEB_HOST_ARCH)
DEB_HOST_ARCH_OS	:= $(shell dpkg-architecture -qDEB_HOST_ARCH_OS)
ifneq ($(DEB_HOST_GNU_TYPE),$(DEB_BUILD_GNU_TYPE))
        CROSS=CC=$(DEB_HOST_GNU_TYPE)-gcc
        CC=$(DEB_HOST_GNU_TYPE)-gcc
else
        CROSS=CC=gcc
        CC=gcc
endif

DEBCFLAGS:=
DEBSTRIP:=strip
WGET=wget
ifneq (,$(findstring debug,$(DEB_BUILD_OPTIONS)))
DEBCFLAGS += -g
endif
ifneq (,$(findstring nostrip,$(DEB_BUILD_OPTIONS)))
DEBSTRIP:=:
endif

DEBVERSION:=$(shell head -n 1 debian/changelog \
		    | sed -e 's/^[^(]*(\([^)]*\)).*/\1/')
UPVERSION:=$(shell echo $(DEBVERSION) | sed -e 's/-[0-9.]*$$//')

ifneq (,$(findstring /$(DEB_HOST_ARCH)/,/i386/powerpc/sparc/s390/))
	build64-stamp := build64-stamp
	CC64=$(CC) -m64
endif
ifeq ($(DEB_HOST_ARCH),i386)
	CC64 += -march=x86-64 -mtune=x86-64
endif

ifneq (,$(findstring /$(DEB_HOST_ARCH)/,/amd64/ppc64/))
	build32-stamp := build32-stamp
	lib32 := usr/lib32
endif

build: build-stamp $(build32-stamp) $(build64-stamp)
build-stamp:
	$(testdir)
	# Add here commands to compile the package.
	$(MAKE) DEBCFLAGS="$(DEBCFLAGS)"
ifeq ($(DEB_BUILD_GNU_TYPE),$(DEB_HOST_GNU_TYPE))
	$(MAKE) DEBCFLAGS="$(DEBCFLAGS)" test
endif
	makeinfo -o bzip2.info manual.texi
	cat debian/copyright.in LICENSE > debian/copyright
	touch build-stamp

# requires: docbook-xml docbook2x
manual.texi: manual.xml
	docbook2x-texi --to-stdout manual.xml | \
	awk '/^@direntry/,/^@end direntry/ {if ($$0 !~ /@/) {print "* Bzip2: (bzip2).               A program and library for data compression."; next}} {print}' > manual.texi

build32: build32-stamp
build32-stamp:
	$(testdir)
	rm -rf 32
	mkdir 32
	cp -p *.h *.c Makefile 32/
	$(MAKE) -C 32 "$(CROSS) -m32" DEBCFLAGS="$(DEBCFLAGS)"
	touch build32-stamp

build64: build64-stamp
build64-stamp:
	$(testdir)
	rm -rf 64
	mkdir 64
	cp -p *.h *.c Makefile 64/
	$(MAKE) -C 64 CC="$(CC64)" DEBCFLAGS="$(DEBCFLAGS)"
	touch build64-stamp


clean:
	$(testdir)
	rm -f build*-stamp
	[ ! -f Makefile ] || $(MAKE) distclean
	rm -rf 32 64
	rm -f debian/substvars debian/files bzip2.info*
	rm -fr debian/tmp*
	find . -name "*~" -print0 | xargs -r0 rm -f

# Build architecture-independent files here.
binary-indep: build
	$(testdir)
	$(testroot)

	# Info
	install -d debian/tmp-doc/usr/share/info
	cp bzip2.info* debian/tmp-doc/usr/share/info/
	gzip -v9 debian/tmp-doc/usr/share/info/*

	install -d debian/tmp-doc/usr/share/doc/bzip2
	install -d debian/tmp-doc/usr/share/doc/bzip2-doc
	cp *.ps *.html *.texi debian/tmp-doc/usr/share/doc/bzip2
	gzip -v9 debian/tmp-doc/usr/share/doc/bzip2/*.{ps,texi}
	for i in debian/tmp-doc/usr/share/doc/bzip2/*.{ps.gz,texi.gz,html}; do \
	  b=$$(basename $$i); \
	  ln -sf ../bzip2/$$b debian/tmp-doc/usr/share/doc/bzip2-doc/$$b; \
	done

	cp debian/changelog \
	  debian/tmp-doc/usr/share/doc/bzip2-doc/changelog.Debian
	gzip -v9 debian/tmp-doc/usr/share/doc/bzip2-doc/changelog*
	cp debian/copyright debian/tmp-doc/usr/share/doc/bzip2-doc/

	# Doc-base support
	install -d debian/tmp-doc/usr/share/doc-base
	cp debian/docbase debian/tmp-doc/usr/share/doc-base/bzip2

	# Control files
	install -d debian/tmp-doc/DEBIAN

	dpkg-gencontrol -isp -Pdebian/tmp-doc -pbzip2-doc

	for i in doc; do \
	  cp debian/postinst-$$i debian/tmp-$$i/DEBIAN/postinst; \
	  cp debian/prerm-$$i debian/tmp-$$i/DEBIAN/prerm; \
	  chmod +x debian/tmp-$$i/DEBIAN/postinst; \
	  chmod +x debian/tmp-$$i/DEBIAN/prerm; \
	done

	# Fix perms
	chown -R root.root debian/tmp-doc
	chmod -R a+rX-wts,u+w debian/tmp-doc

	# Buildit
	dpkg --build debian/tmp-doc ..

# Build architecture-dependent files here.
binary-arch: build
	$(testdir)
	$(testroot)
	rm -fr debian/tmp*
	install -d debian/tmp/usr

	$(MAKE) PREFIX=`pwd`/debian/tmp install

	### Split

	# Development package
	install -d debian/tmp-dev/usr/lib
	rm debian/tmp/lib/libbz2.so
	ln -s /lib/libbz2.so.1.0 debian/tmp-dev/usr/lib/libbz2.so
	mv debian/tmp/lib/libbz2.a debian/tmp-dev/usr/lib/
	mv debian/tmp/include debian/tmp-dev/usr/include
	

	# Library package
	install -d debian/tmp-lib/lib
	for i in $$(ls debian/tmp/lib/libbz2.so*); do \
	  (set -x; echo $$i; mv $$i debian/tmp-lib/lib/); \
	done
	ln -s libbz2.so.1.0.4 debian/tmp-lib/lib/libbz2.so.1
	chmod -x debian/tmp-lib/lib/*

	# Binary package
	install -d debian/tmp-run
	mv debian/tmp/bin debian/tmp-run/bin
	ln -sf bzdiff debian/tmp-run/bin/bzcmp
	ln -sf bzgrep debian/tmp-run/bin/bzegrep
	ln -sf bzgrep debian/tmp-run/bin/bzfgrep
	ln -sf bzmore debian/tmp-run/bin/bzless
	install -d debian/tmp-run/usr/share
	mv debian/tmp/man debian/tmp-run/usr/share/man

	### Check the install
	test "$$(find debian/tmp ! -type d -print | wc -l)" -eq 0
	rm -fr debian/tmp

	### Finalize documentation

	# Man pages
	gzip -v9 debian/tmp-run/usr/share/man/man1/*.1
	( cd debian/tmp-run/usr/share/man/man1 && \
	  for i in bunzip2 bzcat bzip2recover; do \
	    ln -s bzip2.1.gz $$i.1.gz; \
	  done )

	# Other docs in lib package
	install -d debian/tmp-run/usr/share/doc/bzip2
	cp CHANGES debian/tmp-run/usr/share/doc/bzip2/changelog
	cp debian/changelog \
	  debian/tmp-run/usr/share/doc/bzip2/changelog.Debian
	gzip -v9 debian/tmp-run/usr/share/doc/bzip2/changelog*
	cp debian/copyright debian/tmp-run/usr/share/doc/bzip2/

	# Library package
	install -d debian/tmp-lib/usr/share/doc/libbz2-1.0
	cp debian/copyright debian/tmp-lib/usr/share/doc/libbz2-1.0/
	cp CHANGES debian/tmp-lib/usr/share/doc/libbz2-1.0/changelog
	cp debian/changelog \
	  debian/tmp-lib/usr/share/doc/libbz2-1.0/changelog.Debian
	gzip -v9 debian/tmp-lib/usr/share/doc/libbz2-1.0/changelog*

	# Other packages point to libbz2-1.0
	install -d debian/tmp-dev/usr/share/doc
	ln -s libbz2-1.0 debian/tmp-dev/usr/share/doc/libbz2-dev

	### Package finalize

	# Stripping
	for i in debian/tmp-run/bin/*; \
	do \
	  if [ ! -h $$i ] && head -n 1 $$i | grep -vq '^#!'; \
	  then \
	    (set -x; $(DEBSTRIP) -R .note -R .comment $$i); \
	  fi; \
	done
	$(DEBSTRIP) --strip-unneeded -R .note -R .comment \
	  debian/tmp-lib/lib/*.so*
	$(DEBSTRIP) --strip-debug debian/tmp-dev/usr/lib/*.a

	# Control files
	install -d debian/tmp-{lib,dev,run}/DEBIAN
	cp debian/shlibs debian/tmp-lib/DEBIAN/shlibs

	dpkg-shlibdeps debian/tmp-lib/lib/*.so*
	dpkg-gencontrol -isp -Pdebian/tmp-lib -plibbz2-1.0
	rm debian/substvars
	dpkg-gencontrol -isp -Pdebian/tmp-dev -plibbz2-dev
	dpkg-shlibdeps debian/tmp-run/bin/*
	dpkg-gencontrol -isp -Pdebian/tmp-run -pbzip2

	for i in run dev lib; do \
	  cp debian/postinst-$$i debian/tmp-$$i/DEBIAN/postinst; \
	  cp debian/prerm-$$i debian/tmp-$$i/DEBIAN/prerm; \
	  chmod +x debian/tmp-$$i/DEBIAN/postinst; \
	  chmod +x debian/tmp-$$i/DEBIAN/prerm; \
	done
	cp debian/preinst-run debian/tmp-run/DEBIAN/preinst
	cp debian/postrm-lib debian/tmp-lib/DEBIAN/postrm
	chmod +x debian/tmp-run/DEBIAN/preinst debian/tmp-lib/DEBIAN/postrm

	# Fix perms
	chown -R root.root debian/tmp*
	chmod -R a+rX-wts,u+w debian/tmp*

	# Buildit
	dpkg --build debian/tmp-run ..
	dpkg --build debian/tmp-lib ..
	dpkg --build debian/tmp-dev ..

ifneq (,$(build64-stamp))
	rm -rf debian/tmp-lib64
	rm -rf debian/tmp-dev64

	install -d debian/tmp-lib64/usr/lib64
	cp -a 64/libbz2.so.* debian/tmp-lib64/usr/lib64/
	chmod -x debian/tmp-lib64/usr/lib64/*

	install -d debian/tmp-dev64/usr/lib64
	cp -a 64/libbz2.so 64/libbz2.a debian/tmp-dev64/usr/lib64/
	chmod -x debian/tmp-dev64/usr/lib64/*.a

	install -d debian/tmp-lib64/usr/share/doc/lib64bz2-1.0
	cp debian/copyright debian/tmp-lib64/usr/share/doc/lib64bz2-1.0/
	cp debian/changelog \
	  debian/tmp-lib64/usr/share/doc/lib64bz2-1.0/changelog.Debian
	gzip -v9 debian/tmp-lib64/usr/share/doc/lib64bz2-1.0/changelog*

	install -d debian/tmp-dev64/usr/share/doc
	ln -s lib64bz2-1.0 debian/tmp-dev64/usr/share/doc/lib64bz2-dev

	$(DEBSTRIP) --strip-unneeded -R .note -R .comment \
	  debian/tmp-lib64/usr/lib64/*.so*
	$(DEBSTRIP) --strip-debug debian/tmp-dev64/usr/lib64/*.a

	install -d debian/tmp-{lib,dev}64/DEBIAN
	/bin/echo -e 'libbz2\t1.0\tlib64bz2-1.0' > debian/tmp-lib64/DEBIAN/shlibs

	-dpkg-shlibdeps debian/tmp-lib/usr/lib64/*.so*
ifeq ($(DEB_HOST_ARCH),i386)
	echo 'shlibs:Depends=libc6-amd64' > debian/substvars
endif
ifeq ($(DEB_HOST_ARCH),powerpc)
	echo 'shlibs:Depends=libc6-ppc64' > debian/substvars
endif
#ifeq ($(DEB_HOST_ARCH),s390)
#	echo 'shlibs:Depends=libc6-s390x' > debian/substvars
#endif
#ifeq ($(DEB_HOST_ARCH),sparc)
#	echo 'shlibs:Depends=libc6-sparc64' > debian/substvars
#endif
	dpkg-gencontrol -isp -Pdebian/tmp-lib64 -plib64bz2-1.0
	rm -f debian/substvars

ifeq ($(DEB_HOST_ARCH),i386)
	echo 'dev:Depends=libc6-dev-amd64' > debian/substvars
endif
ifeq ($(DEB_HOST_ARCH),powerpc)
	echo 'dev:Depends=libc6-dev-ppc64' > debian/substvars
endif
ifeq ($(DEB_HOST_ARCH),s390)
	echo 'dev:Depends=libc6-dev-s390x' > debian/substvars
endif
ifeq ($(DEB_HOST_ARCH),sparc)
	echo 'dev:Depends=libc6-dev-sparc64' > debian/substvars
endif
	dpkg-gencontrol -isp -Pdebian/tmp-dev64 -plib64bz2-dev

	for i in dev lib; do \
	  cp debian/postinst-$$i debian/tmp-$${i}64/DEBIAN/postinst; \
	  cp debian/prerm-$$i debian/tmp-$${i}64/DEBIAN/prerm; \
	  chmod +x debian/tmp-$${i}64/DEBIAN/postinst; \
	  chmod +x debian/tmp-$${i}64/DEBIAN/prerm; \
	done

	chown -R root.root debian/tmp*64
	chmod -R a+rX-wts,u+w debian/tmp*64

	dpkg --build debian/tmp-lib64 ..
	dpkg --build debian/tmp-dev64 ..
endif

ifneq (,$(build32-stamp))
	rm -rf debian/tmp-lib32
	rm -rf debian/tmp-dev32

	install -d debian/tmp-lib32/$(lib32)
	cp -a 32/libbz2.so.* debian/tmp-lib32/$(lib32)/
	chmod -x debian/tmp-lib32/$(lib32)/*

	install -d debian/tmp-dev32/$(lib32)
	cp -a 32/libbz2.so 32/libbz2.a debian/tmp-dev32/$(lib32)/
	chmod -x debian/tmp-dev32/$(lib32)/*.a

	install -d debian/tmp-lib32/usr/share/doc/lib32bz2-1.0
	cp debian/copyright debian/tmp-lib32/usr/share/doc/lib32bz2-1.0/
	cp debian/changelog \
	  debian/tmp-lib32/usr/share/doc/lib32bz2-1.0/changelog.Debian
	gzip -v9 debian/tmp-lib32/usr/share/doc/lib32bz2-1.0/changelog*

	install -d debian/tmp-dev32/usr/share/doc
	ln -s lib32bz2-1.0 debian/tmp-dev32/usr/share/doc/lib32bz2-dev

	$(DEBSTRIP) --strip-unneeded -R .note -R .comment \
	  debian/tmp-lib32/$(lib32)/*.so*
	$(DEBSTRIP) --strip-debug debian/tmp-dev32/$(lib32)/*.a

	install -d debian/tmp-{lib,dev}32/DEBIAN
	/bin/echo -e 'libbz2\t1.0\tlib32bz2-1.0' > debian/tmp-lib32/DEBIAN/shlibs

	-dpkg-shlibdeps debian/tmp-lib/$(lib32)/*.so*
ifeq ($(DEB_HOST_ARCH),amd64)
	echo 'shlibs:Depends=libc6-i386' > debian/substvars
endif
ifeq ($(DEB_HOST_ARCH),ppc64)
	echo 'shlibs:Depends=libc6-powerpc' > debian/substvars
endif
	dpkg-gencontrol -isp -Pdebian/tmp-lib32 -plib32bz2-1.0
	rm -f debian/substvars

ifeq ($(DEB_HOST_ARCH),amd64)
	echo 'dev:Depends=libc6-dev-i386' > debian/substvars
endif
ifeq ($(DEB_HOST_ARCH),ppc64)
	echo 'shlibs:Depends=libc6-dev-powerpc' > debian/substvars
endif
	dpkg-gencontrol -isp -Pdebian/tmp-dev32 -plib32bz2-dev

	for i in dev lib; do \
	  cp debian/postinst-$$i debian/tmp-$${i}32/DEBIAN/postinst; \
	  cp debian/prerm-$$i debian/tmp-$${i}32/DEBIAN/prerm; \
	  chmod +x debian/tmp-$${i}32/DEBIAN/postinst; \
	  chmod +x debian/tmp-$${i}32/DEBIAN/prerm; \
	done

	chown -R root.root debian/tmp*32
	chmod -R a+rX-wts,u+w debian/tmp*32

	dpkg --build debian/tmp-lib32 ..
	dpkg --build debian/tmp-dev32 ..
endif

print-version:
	@@echo "Debian version:          $(DEBVERSION)"
	@@echo "Upstream version:        $(UPVERSION)"

get-orig-source:
	$(WGET) -O bzip2_$(UPVERSION).orig.tar.gz \
	  ftp://sourceware.cygnus.com/pub/bzip2/v100/bzip2-$(UPVERSION).tar.gz

binary: binary-indep binary-arch

.PHONY: build clean binary-indep binary-arch binary print-version \
	get-orig-source
