#!/usr/bin/make -f
# debian/rules file for texlive-bin

export SHELL=/bin/bash
export CONFIG_SHELL=/bin/bash

# this ships out the test logs when a test failed, set it in any case
export VERBOSE=1

#
# the configure code already checks a lot, but it does not catch
# all cases. We have now two ways to test for where to build.
# One by disabling on the other platforms, one by whitelisting
# and building only on some platforms.
LUAJIT_GOOD_ARCHS := amd64 armel armhf hurd-i386 i386 kfreebsd-amd64 kfreebsd-i386 powerpc

# In case one wants to build with old automake (<< 1.13.1), the following
# variable has to be set. By default the debian/control requires high
# enough versions of automake and friends
#export AM_V_P=false

include /usr/share/dpkg/architecture.mk

ifeq ($(DEB_HOST_ARCH), alpha)
  export LDFLAGS = -Wl,--no-relax
endif

#
#
# architectures where icu related programs (xetex) have problems
# and core dump etc. Possible fix, but sub-optimal because slowing down
# programs
# TODO should be checked whether this still happens!
BROKEN_ICU_ARCHS := sparc64
ifneq (,$(findstring $(DEB_HOST_ARCH), $(BROKEN_ICU_ARCHS)))
  export CFLAGS += -DU_IS_BIG_ENDIAN=0
  export CXXFLAGS += -DU_IS_BIG_ENDIAN=0
else
endif


# for whitelisting good archs
ifeq (,$(filter $(DEB_HOST_ARCH), $(LUAJIT_GOOD_ARCHS)))
  # it is not in the list of good archs -> disable luajittex
  BUILDLUAJITTEX=--disable-luajittex --disable-mfluajit --disable-luajithbtex
  WITHLUAJIT=no
else
  # not necessary, but for completeness
  BUILDLUAJITTEX=--enable-luajittex --enable-mfluajit --enable-luajithbtex
  WITHLUAJIT=yes
endif

#
# it seems that ARM metafont segfaults due to a problem with armhf's malloc
# see Debian bug #678604
# Building in arm mode helps
#
ifeq ($(DEB_HOST_ARCH), armhf)
  export CFLAGS += -marm
endif

# warning: if the --with autoreconf is removed then
# the patch debian/patches/debian-no-linked-scripts
# must be adapted to also patch the Makefile.in!

%:
	dh $@ --builddirectory Work --max-parallel=8

#
# we use TL provided reautoconf script as it has some built-in magic
override_dh_autoreconf:
	dh_autoreconf ./reautoconf

# this was used before, but I am not sure whether the -as-needed is necessary
#	dh_autoreconf --as-needed

#
# poppler is used two times in TeX Live:
# once for pdftex/xetex
# once for luatex
# - the pdftex/xetex version is controlled via --with-system-xpdf
# - the luatex version is controlled via --with-system-poppler
#
# Status as of 20180118
# poppler in Debian is NOT enough for current, so we use the shipped
# libraries for both.
#	--with-system-poppler			\
#	--with-system-xpdf			\
#
# disable-largefile seems to break omegafonts, as they core dump
# leave it as is for now and see what else pops up
#	--disable-largefile			\

override_dh_auto_configure:
	# we have to make sure that the mendex test case that is added
	# by a patch is executable, same for pdftexdir - stupid dpkg-source
	chmod 0755 texk/mendexk/tests/mendex.test
	chmod 0755 texk/web2c/pdftexdir/expanded.test
	# run out configure script
	dh_auto_configure -- -C --prefix=/usr 	\
	--datarootdir=/usr/share/texlive	\
	--disable-native-texlive-build		\
	--disable-missing			\
	--disable-linked-scripts		\
	--with-banner-add=/Debian		\
	--enable-shared				\
	--with-system-zlib			\
	--with-system-zzlib			\
	--with-system-potrace			\
	--with-system-graphite2			\
	--with-system-harfbuzz 			\
	--with-system-libgs			\
	--with-system-pixman			\
	--with-system-libpaper			\
	--with-system-zziplib			\
	--with-system-icu			\
	--with-system-gmp			\
	--with-system-mpfr			\
	--with-system-freetype2			\
	--with-freetype2-include=/usr/include/freetype2 \
	--with-system-libpng			\
	--with-system-gd			\
	--with-system-cairo 			\
	--with-system-teckit	\
	--with-x				\
	--with-mf-x-toolkit			\
	--with-xdvi-x-toolkit=xaw		\
	$(BUILDLUAJITTEX)			\
	--disable-lcdf-typetools		\
	--disable-biber				\
	--disable-dvipng			\
	--disable-ps2eps			\
	--disable-psutils			\
	--disable-t1utils			\
	--disable-cjkutils			\
	--disable-chktex			\
	--disable-dvidvi			\
	--disable-lacheck			\
	--disable-texdoctk			\
	--disable-ttf2pk			\
	--disable-dvisvgm			\
	--enable-ttf2pk2			\
	--enable-ipc				
	# make sure that the lacheck test script is executable
	# this is only necessary since quilt/dpkg does not support
	# permissions
	chmod ugo+x utils/lacheck/test-def.test

override_dh_auto_install:
	dh_auto_install -- DESTDIR=$(CURDIR)/debian/tmp

override_dh_install:
	# remove .la files which we do not install, so that dh_install
	# can work with --fail-missing
	rm -f debian/tmp/usr/lib/*.la debian/tmp/usr/lib/*/*.la
	# mv c-auto.h into arch-dependent include path
	mkdir -p debian/tmp/usr/include/$(DEB_HOST_MULTIARCH)/kpathsea
	mv debian/tmp/usr/include/kpathsea/c-auto.h \
	 	debian/tmp/usr/include/$(DEB_HOST_MULTIARCH)/kpathsea/
	dh_install --sourcedir=$(CURDIR)/debian/tmp
	dh_missing --sourcedir=$(CURDIR)/debian/tmp --fail-missing
	# replace xdvi wrapper shell script with perl variant to
	# allow for opening of gz etc files
	rm debian/texlive-binaries/usr/bin/xdvi
	install -m 0755 debian/xdvi-pl debian/texlive-binaries/usr/bin/xdvi
	# remove texlive directories, they should not be shipped here
	rm -rf debian/texlive-binaries/usr/share/texlive
	# remove wrongly added info/dir.gz
	rm -f debian/texlive-binaries/usr/share/info/dir*
	# remove tlbuild info document, not needed
	rm debian/texlive-binaries/usr/share/info/tlbuild.info*
	# remove various man pages
	for i in latex latex-dev pdflatex pdflatex-dev lamed lualatex-dev dvilualatex-dev \
		dviluatex platex-dev uplatex-dev xelatex-dev amstex ; do \
	  rm debian/texlive-binaries/usr/share/man/man1/$$i.1* ; \
	done
	#
	# remove tex4ht links, they are shipped with tl-htmlxml
	for i in ht htcontext htlatex htmex httex httexi htxelatex htxetex mk4ht xhlatex ; do \
	  rm debian/texlive-binaries/usr/bin/$$i ; \
	done
	#
	# install dvisvgm man page
	#install -m 0644 texk/dvisvgm/dvisvgm-src/doc/dvisvgm.1 \
	#	debian/texlive-binaries/usr/share/man/man1/dvisvgm.1
	# for alternatives treatment we rename usr/bin/bibtex to
	# usr/bin/bibtex.original
	mv debian/texlive-binaries/usr/bin/bibtex \
	   debian/texlive-binaries/usr/bin/bibtex.original
	mv debian/texlive-binaries/usr/share/man/man1/bibtex.1 \
	   debian/texlive-binaries/usr/share/man/man1/bibtex.original.1
	# find dangling symlinks in /usr/bin and error out if found
	err=0 ; for i in `find debian/texlive-binaries/usr/bin -type l` ; do \
	  f=`realpath $$i` ; \
	  if [ ! -r "$$f" ] ; then \
	    echo "ERROR: dangling symbolic link $$f" ; \
	    err=1 ; \
	  fi ; \
	done ; if [ $$err = 1 ] ; then exit 1 ; fi


override_dh_installdocs:
	dh_installdocs
	dh_installdocs -plibptexenc1 -plibptexenc-dev \
		texk/ptexenc/COPYRIGHT texk/ptexenc/README
	dh_installdocs -plibkpathsea6 -plibkpathsea-dev \
		texk/kpathsea/AUTHORS \
		texk/kpathsea/NEWS texk/kpathsea/PROJECTS \
		texk/kpathsea/README
	dh_installdocs -plibsynctex2 -plibsynctex-dev \
		texk/web2c/synctexdir/README.txt	\
		texk/web2c/synctexdir/synctex_parser_readme.txt
	#dh_installdocs -plibtexlua53 -plibtexlua53-dev \
	#	NOTHING TO INSTALL
ifeq ($(WITHLUAJIT), yes)
	dh_installdocs -plibtexluajit2 -plibtexluajit-dev
endif

override_dh_installchangelogs:
	dh_installchangelogs
	dh_installchangelogs -plibkpathsea6 -plibkpathsea-dev \
		texk/kpathsea/ChangeLog
	dh_installchangelogs -plibptexenc1 -plibptexenc-dev \
		texk/ptexenc/ChangeLog
	dh_installchangelogs -plibsynctex2 -plibsynctex-dev \
		texk/web2c/synctexdir/ChangeLog
	dh_installchangelogs -plibtexlua53 -plibtexlua53-dev \
		libs/lua53/TLpatches/ChangeLog
ifeq ($(WITHLUAJIT), yes)
	dh_installchangelogs -plibtexluajit2 -plibtexluajit-dev \
		libs/luajit/TLpatches/ChangeLog
endif

override_dh_compress:
	dh_compress -X.pdf

override_dh_missing:
	# already called above with --fail-missing, no idea
	# why it still lists each and every file as not being
	# installed, seems to be some wonderful magic of dh
	# which nobody can understand
	true

override_dh_makeshlibs:
	dh_makeshlibs -plibkpathsea6
	dh_makeshlibs -plibptexenc1
	dh_makeshlibs -plibsynctex2
	dh_makeshlibs -plibtexlua53
ifeq ($(WITHLUAJIT), yes)
	dh_makeshlibs -plibtexluajit2
endif

SHLIBDEPS = -l debian/libkpathsea6/usr/lib/* \
		-l debian/libptexenc1/usr/lib/* \
		-l debian/libsynctex2/usr/lib/* \
		-l debian/libtexlua53/usr/lib/*

ifeq ($(WITHLUAJIT), yes)
	SHLIBDEPS += -l debian/libtexluajit2/usr/lib/*
endif
override_dh_shlibdeps:
	dh_shlibdeps $(SHLIBDEPS)

override_dh_clean:
	dh_clean -X.orig