#!/usr/bin/make -f
# Sample debian/rules that uses debhelper.
# GNU copyright 1997 to 1999 by Joey Hess.
# Adapted for the PARI Debian package by Bill Allombert 2001-2011

# Uncomment this to turn on verbose mode.
#export DH_VERBOSE=1

# This has to be exported to make some magic below work.
export DH_OPTIONS
export FORCE_SOURCE_DATE = 1
export SOURCE_DATE_EPOCH = $(shell date -d "$$(dpkg-parsechangelog -SDate)" +%s)
export LC_ALL = C
#Architecture
PARI_CPU:=$(shell dpkg-architecture -qDEB_HOST_GNU_CPU)
PARI_CPU:=$(if $(findstring $(PARI_CPU),i586),i386,$(PARI_CPU))
PARI_CPU:=$(if $(findstring $(PARI_CPU),i686),i386,$(PARI_CPU))
PARI_CPU:=$(if $(findstring $(PARI_CPU),sparc),sparcv8_micro,$(PARI_CPU))
PARI_CPU:=$(if $(findstring $(PARI_CPU),sparc64),sparcv9,$(PARI_CPU))
#Catch mips/mipsel
PARI_CPU:=$(if $(findstring $(PARI_CPU),mipsel),mips,$(PARI_CPU))
PARI_CPU:=$(if $(findstring $(PARI_CPU),mips64el),mips64,$(PARI_CPU))
#Catch powerpc/powerpc64
PARI_CPU:=$(if $(findstring $(PARI_CPU),powerpc64le),ppc,$(PARI_CPU))
PARI_CPU:=$(if $(findstring $(PARI_CPU),powerpc64),ppc,$(PARI_CPU))
#Catch s390/s390x
PARI_CPU:=$(if $(findstring $(PARI_CPU),s390x),s390,$(PARI_CPU))
PARI_SYSTEM:=$(shell dpkg-architecture -qDEB_HOST_GNU_SYSTEM)
PARI_SYSTEM:=$(patsubst linux-gnu%,linux,$(PARI_SYSTEM))
PARI_SYSTEM:=$(patsubst %-gnu,gnu%,$(PARI_SYSTEM))
DEBIAN_ARCH:=$(shell dpkg-architecture -qDEB_HOST_ARCH)
DEB_HOST_GNU_TYPE   ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)

ifeq ($(PARI_CPU),i386)
CFLAGS_i386 := -mpc64
endif

CFLAGS_DBG = -g -O0 -Wall -fno-strict-aliasing -ffp-contract=off $(CFLAGS_i386)

DBGMAP = -fdebug-prefix-map=$(CURDIR)=.
LDFLAGS = -Wl,-z,relro
ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
CFLAGS_NOMAP = $(CFLAGS_DBG)
CFLAGS = $(CFLAGS_NOMAP) $(DBGMAP)
CFLAGS_LTO = $(CFLAGS)
else
CFLAGS_NOMAP = -g -O3 -Wall -fno-strict-aliasing -ffp-contract=off $(CFLAGS_i386)
CFLAGS = $(CFLAGS_NOMAP) $(DBGMAP)
CFLAGS_LTO = $(CFLAGS) -flto
endif

export PATH := $(CURDIR)/debian/path/:$(PATH)

ifeq ($(origin CC),default)
CC := `which $(DEB_HOST_GNU_TYPE)-gcc`
else
CC := `which $(CC)`
endif

libpkg = libpari-gmp-tls9
libtriplet = usr/lib/$(DEB_HOST_MULTIARCH)
inctriplet = usr/include/$(DEB_HOST_MULTIARCH)

build: build-arch

config: config-stamp
config-stamp:
	mkdir -p debian/path && ln -s $(CC) debian/path/cc
	dh_testdir
	CC=cc CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" DLLDFLAGS="$(LDFLAGS)" \
	  ./Configure --mt=pthread\
            --prefix=/usr --host=$(PARI_CPU)-$(PARI_SYSTEM) \
            --libdir=/$(libtriplet) --sysdatadir=/$(libtriplet)/pari \
            --includedir=/$(inctriplet) \
            --builddir=obj-dyn --graphic=X11 --with-gmp
	CC=cc CFLAGS="$(CFLAGS_NOMAP)" LDFLAGS="$(LDFLAGS)" DLLDFLAGS="$(LDFLAGS)" \
	  ./Configure --mt=pthread\
            --prefix=/usr --host=$(PARI_CPU)-$(PARI_SYSTEM) \
            --libdir=/$(libtriplet) --sysdatadir=/$(libtriplet)/pari \
            --includedir=/$(inctriplet) \
            --builddir=obj-cfg --graphic=X11 --with-gmp
	CC=cc CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" DLLDFLAGS="$(LDFLAGS)" \
	  ./Configure --mt=pthread \
            --prefix=/usr --host=$(PARI_CPU)-$(PARI_SYSTEM) \
            --libdir=/$(libtriplet) --sysdatadir=/$(libtriplet)/pari \
            --includedir=/$(inctriplet) \
            --builddir=obj-sta --graphic=X11 --with-gmp
	CC=cc CFLAGS="$(CFLAGS_LTO)" LDFLAGS="$(LDFLAGS)" DLLDFLAGS="$(LDFLAGS)" \
	  ./Configure --mt=pthread \
            --prefix=/usr --host=$(PARI_CPU)-$(PARI_SYSTEM) \
            --libdir=/$(libtriplet) --sysdatadir=/$(libtriplet)/pari \
            --includedir=/$(inctriplet) \
            --builddir=obj-lto --graphic=X11 --with-gmp
	CC=cc CFLAGS="$(CFLAGS_DBG)" LDFLAGS="$(LDFLAGS)" DLLDFLAGS="$(LDFLAGS)" \
	  ./Configure --mt=pthread \
            --prefix=/usr --host=$(PARI_CPU)-$(PARI_SYSTEM) \
            --libdir=/$(libtriplet) --sysdatadir=/$(libtriplet)/pari \
            --includedir=/$(inctriplet) \
            --builddir=obj-dbg --graphic=X11 --with-gmp
	touch config-stamp

build-arch: build-arch-stamp
build-arch-stamp: config-stamp
	$(MAKE) -C obj-dyn lib-dyn #"LIBS=-lc -lm -lgmp"
	$(MAKE) -C obj-sta lib-sta DLCFLAGS=
	$(MAKE) -C obj-lto gp-sta RUNPTH=
ifeq (,$(findstring nocheck,$(DEB_BUILD_OPTIONS)))
	$(MAKE) -C obj-dyn gp-dyn
	$(MAKE) dobench -C obj-dyn dump_dif=1
	$(MAKE) dobench -C obj-sta dump_dif=1
	$(MAKE) statest-all -C obj-dyn dump_dif=1
endif
	touch build-arch-stamp

build-indep: build-indep-stamp
build-indep-stamp: config-stamp
	$(MAKE) doc docpdf TEX=etex
	touch build-indep-stamp
clean:
	dh_testdir
	dh_testroot
	if [ -f doc/Makefile ]; then $(MAKE) clean -C doc; fi
	-rm -rf obj-dyn obj-sta obj-dbg obj-lto obj-cfg
	-rm -f gp Makefile* examples/Makefile*
	-rm -f doc/Makefile doc/gphelp doc/paricfg.tex
	-rm -f misc/tex2mail
	-rm -f pari.log
	-rm -f src/desc/pari.desc
	-rm -rf debian/path
	dh_clean -Xnumber_theoretical/core

install: install-indep install-arch
install-indep:
	dh_testdir
	dh_testroot
	dh_prep -i -Xnumber_theoretical/core
	dh_installdirs -i
	$(MAKE) -C obj-dyn install-doc install-docpdf DESTDIR=`pwd`/debian/pari-doc/
	dh_install -i
	dh_installman -i
	dh_installexamples -i

install-arch:
	dh_testdir
	dh_testroot
	dh_prep -a -Xnumber_theoretical/core
	dh_installdirs -a
	$(MAKE) -C obj-lto install-bin-sta install-man LIBS="-lm" RLLIBS=-lreadline STRIP=true RUNPTH_FINAL= DESTDIR=`pwd`/debian/pari-gp
	rm debian/pari-gp/usr/share/man/man1/gphelp.1
	test ! -d debian/pari-gp/usr/lib
	$(MAKE) -C obj-dyn install-lib-dyn DESTDIR=`pwd`/debian/$(libpkg)
	$(MAKE) -C obj-sta install-lib-sta DESTDIR=`pwd`/debian/libpari-dev
	$(MAKE) -C obj-dyn install-include install-cfg DESTDIR=`pwd`/debian/libpari-dev
	mv debian/$(libpkg)/$(libtriplet)/libpari.so debian/libpari-dev/$(libtriplet)
	dh_install -a
	sed -ne '/^TOP=/ !p' < obj-cfg/pari.cfg > obj-cfg/pari.cfg.deb
	install -p -m 644 obj-cfg/pari.cfg.deb debian/libpari-dev/$(libtriplet)/pari/pari.cfg
	sed -ne '/^TOP=/ !p' < obj-dbg/pari.cfg > obj-dbg/pari.cfg.deb
	install -p -m 644 obj-dbg/pari.cfg.deb debian/libpari-dev/$(libtriplet)/pari/pari.cfg.dbg
	install -p -m 644 debian/misc-readme debian/pari-gp/usr/share/doc/pari-gp/misc/README.Debian
	install -p -m 644 debian/gprc.dft debian/pari-gp/etc/gprc
	dh_strip -a
	dh_makeshlibs -a -V '$(libpkg)'
	dh_shlibdeps -a -l debian/$(libpkg)/$(libtriplet) -L$(libpkg)
	dh_installexamples -a
	rm debian/pari-gp/usr/share/doc/pari-gp/examples/Makefile
	install -p -m 644 obj-cfg/Makefile.examples debian/pari-gp/usr/share/doc/pari-gp/examples/Makefile

#Must not depend on anything. This is to be called by binary-arch/binary-indep
# in another 'make' thread.
binary-common:
	dh_testdir
	dh_testroot
	dh_installdocs -p pari-gp CHANGES-*
	dh_installmenu
	dh_installchangelogs CHANGES
	dh_link
	dh_compress -Xparimacro
	dh_fixperms
	dh_installdeb
	dh_perl
	dh_gencontrol
	dh_md5sums
	dh_builddeb
# Build architecture independant packages using the common target.
binary-indep: build-indep install-indep
	$(MAKE) -f debian/rules DH_OPTIONS=-i binary-common

# Build architecture dependant packages using the common target.
binary-arch: build-arch install-arch
	$(MAKE) -f debian/rules DH_OPTIONS=-a binary-common

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