#!/usr/bin/make -f
#	Debian rules file for gzip, requires the debhelper package.
#	Crafted by Bdale Garbee, bdale@gag.com, 5 November 2000
#	Cleanup by Thorsten Glaser, tg@debian.org, 20 June 2012
#	based on the rules file of the jupp package

# Comment this to turn off debhelper verbose mode.
export DH_VERBOSE=1

shellescape='$(subst ','\'',$(1))'
shellexport=$(1)=$(call shellescape,${$(1)})

include /usr/share/dpkg/architecture.mk

# Automatic ${CC} selection for cross-compiles

# is ${CC} defined anywhere (other than implicit rules?)
ifneq (,$(findstring $(origin CC),default undefined))
# no - then default to gcc (or cross-gcc)
ifneq (${DEB_BUILD_ARCH},${DEB_HOST_ARCH})
CC=			${DEB_HOST_GNU_TYPE}-gcc
else
CC=			gcc
endif
endif

export DEFS=NO_ASM # Avoid TEXTRELs on i386
EXTRA_CFLAGS=		-Wall
EXTRA_CPPFLAGS=

ifeq (${DEB_HOST_ARCH},amd64)
EXTRA_CPPFLAGS+=	-DUNALIGNED_OK
endif

# Automatic dpkg-buildflags selection, backport-friendly

ifneq (,$(wildcard /usr/share/dpkg/buildflags.mk))
# dpkg-dev (>= 1.16.1~)
DEB_CFLAGS_MAINT_APPEND=${EXTRA_CFLAGS}
DEB_CPPFLAGS_MAINT_APPEND=${EXTRA_CPPFLAGS}
# maybe turn this on later
#DEB_BUILD_MAINT_OPTIONS=hardening=+all
include /usr/share/dpkg/buildflags.mk
else
# old-fashioned way to determine build flags
CFLAGS=			-O$(if $(findstring noopt,${DEB_BUILD_OPTIONS}),0,2) -g
CFLAGS+=		${EXTRA_CFLAGS}
LDFLAGS+=		${EXTRA_LDFLAGS}
endif

# maybe turn this on later
#ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
#NUMJOBS=		$(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
#MAKEFLAGS+=		-j${NUMJOBS}
#endif

# whitespace-safe path to source directory
_topdir=$(call shellescape,$(shell pwd))

CONFIGURE_ARGS=		--prefix=/usr \
			--bindir=/bin \
			--infodir=${_topdir}/debian/gzip/usr/share/info \
			--mandir=${_topdir}/debian/gzip/usr/share/man

ifneq (${DEB_BUILD_ARCH},${DEB_HOST_ARCH})
CONFIGURE_ARGS+=	--host=${DEB_HOST_GNU_TYPE}
endif

reconf-stamp:
	cp -f /usr/share/misc/config.sub build-aux/config.sub
	cp -f /usr/share/misc/config.guess build-aux/config.guess
	autoreconf -v
	:>$@

configure: configure-stamp
configure-stamp: reconf-stamp
	dh_testdir
	chmod 775 tests/zgrep-abuse
	chmod 775 tests/zgrep-binary
	mkdir -p builddir
	cd builddir && env \
	    $(foreach i,CC CFLAGS CPPFLAGS LDFLAGS,$(call shellexport,$i)) \
	    CONFIG_SHELL=/bin/sh GREP=grep ../configure ${CONFIGURE_ARGS}
	:>$@

configure-indep: configure-indep-stamp
configure-indep-stamp: reconf-stamp
	dh_testdir
	chmod 775 tests/zgrep-abuse
	chmod 775 tests/zgrep-binary
	mkdir -p builddir-indep
	cd builddir-indep && ../configure --host=i686-w64-mingw32
	:>$@

build: build-stamp build-indep-stamp

build-arch: build-stamp
build-stamp: configure-stamp
	dh_testdir
	${MAKE} -C builddir
ifeq (,$(filter nocheck,${DEB_BUILD_OPTIONS}))
ifeq (${DEB_BUILD_ARCH},${DEB_HOST_ARCH})
	${MAKE} -C builddir check
endif
endif
	:>$@

build-indep: build-indep-stamp
build-indep-stamp: configure-indep-stamp
	dh_testdir
	${MAKE} -C builddir-indep
	:>$@

clean:
	dh_testdir
	dh_testroot
	-rm -f build-stamp build-indep-stamp configure-stamp configure-indep-stamp reconf-stamp
	-rm -rf builddir builddir-indep
	dh_clean

binary: binary-arch binary-indep

binary-indep: build-indep-stamp
	dh_testdir
	dh_testroot
	dh_prep
	dh_installdirs
	i686-w64-mingw32-strip builddir-indep/gzip.exe
	install -m 0755 builddir-indep/gzip.exe \
	    debian/gzip-win32/usr/share/win32/
	dh_installdocs -i README* TODO NEWS
	dh_installchangelogs -i ChangeLog
	dh_lintian -i
	dh_compress -i
	dh_fixperms -i
	dh_installdeb -i
	dh_gencontrol -i
	dh_md5sums -i
	dh_builddeb -i

binary-arch: build-stamp
	dh_testdir
	dh_testroot
	dh_prep
	dh_installdirs
	${MAKE} -C builddir install \
	    prefix=${_topdir}/debian/gzip/usr \
	    bindir=${_topdir}/debian/gzip/bin
	dh_testdir -a
	dh_testroot -a
	dh_installdocs -a README* TODO NEWS
	dh_installman *.1
	dh_installinfo -a doc/gzip.info
	dh_installchangelogs -a ChangeLog
	dh_link -a
	dh_lintian -a
	dh_strip -a
	dh_compress -a
	ln -s gunzip.1.gz debian/gzip/usr/share/man/man1/uncompress.1.gz
	ln -s zgrep.1.gz debian/gzip/usr/share/man/man1/zegrep.1.gz
	ln -s zgrep.1.gz debian/gzip/usr/share/man/man1/zfgrep.1.gz
	rm -f ${_topdir}/debian/gzip/usr/share/info/dir.gz
	dh_fixperms -a
	dh_makeshlibs -a
	dh_installdeb -a
	dh_shlibdeps -a
	dh_gencontrol -a
	dh_md5sums -a
	dh_builddeb -a

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