#!/usr/bin/make -f
# See debhelper(7) (uncomment to enable)
# output every command that modifies files on the build system.
DH_VERBOSE = 1

# see EXAMPLES in dpkg-buildflags(1) and read /usr/share/dpkg/*
DPKG_EXPORT_BUILDFLAGS = 1
include /usr/share/dpkg/default.mk

# see FEATURE AREAS in dpkg-buildflags(1)
#export DEB_BUILD_MAINT_OPTIONS = hardening=+all

# see ENVIRONMENT in dpkg-buildflags(1)
# package maintainers to append CFLAGS
#export DEB_CFLAGS_MAINT_APPEND  = -Wall -pedantic
# package maintainers to append LDFLAGS
#export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed

# main packaging script
%:
	dh $@ --with=python3

# ARFLAGS is for Automake
# AR_FLAGS is for Libtool, (but libtool 2.4.7 will now use ARFLAGS as well)
# The gcc-tools activate the LTO plugin.
LTOSETUP =					\
  LDFLAGS='-fuse-linker-plugin'			\
  NM='gcc-nm'					\
  AR='gcc-ar'					\
  ARFLAGS='cr'					\
  AR_FLAGS='cr'					\
  RANLIB='gcc-ranlib'				\
  VALGRIND=false
GCDADIR := $(shell pwd)/gcda

FLTO = -flto=jobserver -Wno-error=coverage-mismatch
PRO1SETUP = \
  CFLAGS="$(FLTO) -fprofile-generate=$(GCDADIR)" \
  CXXFLAGS="$(FLTO) -fprofile-generate=$(GCDADIR)"
PRO2SETUP = \
  CFLAGS="$(FLTO) -fprofile-use=$(GCDADIR) -fprofile-correction" \
  CXXFLAGS="$(FLTO) -fprofile-use=$(GCDADIR) -fprofile-correction"
PYDEFAULT=$(shell py3versions --default)
PYOTHERS=$(filter-out $(PYDEFAULT), $(shell py3versions --supported))
# This hack causes + to appear in front of the link step, so that
# LTO can be done using GNU Make's job server.
MAKEOVERRIDES += AM_V_CXXLD=+ AM_V_CCLD=+

# We want to build Spot twice: once to get profile data, and a second
# time to use it.
override_dh_auto_configure:
	mkdir -p $(GCDADIR)
	dh_auto_configure -- $(PRO1SETUP) $(LTOSETUP)	\
	  --disable-devel --enable-optimizations	\
	  --disable-static PYTHON=/usr/bin/$(PYDEFAULT)
	dh_auto_build
	dh_auto_test
	$(MAKE) clean
	dh_auto_configure -- $(PRO2SETUP) $(LTOSETUP)	\
	  --disable-devel --enable-optimizations	\
	  --disable-static PYTHON=/usr/bin/$(PYDEFAULT)
override_dh_auto_install: fix-js
	dh_auto_install --destdir=$(CURDIR)/debian/tmp
# Reconfigure for every other supported Python3 version,
# and build/install only the python code.
	for pyv in $(PYOTHERS); do			\
	  dh_auto_configure -- $(LTOSETUP)		\
	  --disable-devel --enable-optimizations	\
	  --disable-static PYTHON=/usr/bin/$$pyv;	\
	  dh_auto_build -- -C python clean;		\
	  dh_auto_build -- -C python all;		\
	  dh_auto_install -- -C python;			\
	done
# Reconfigure to build static libraries.  We can't build them
# alongside dynamic libraries, otherwise they will be stuffed with
# LTO stuff that is just two big to distribute.  And we cannot use
# the profile generated with LTO on, so we simply build without it.
#
# Since this is a last rebuild, we also construct the Doxygen doc.
	dh_auto_configure --  \
	  --disable-devel --enable-optimizations \
	  --disable-shared --enable-static --disable-python \
	  --enable-doxygen
	dh_auto_build -- clean
	dh_auto_build -- all
	dh_auto_install -- -C buddy
	dh_auto_install -- -C spot
# Just remove the Libtool libraries until someone asks for them.
	find debian/tmp -name '*.la' -exec rm -rv {} ';'
override_dh_python3:
	dh_python3 -p python3-spot
override_dh_auto_build:
	dh_auto_build
	$(MAKE) -C tests nb-html

# BuDDy has its own changelog
override_dh_installchangelogs:
	dh_installchangelogs -plibbddx0 -plibbddx-dev buddy/ChangeLog
	dh_installchangelogs -Nlibbddx0 -Nlibbddx-dev ChangeLog

# https://mail.scipy.org/pipermail/ipython-user/2015-August/014016.html
override_dh_compress:
	dh_compress -X.ipynb

fix-js:
	perl -pi -e 's|http://orgmode.org/mathjax/MathJax.js|file:///usr/share/javascript/mathjax/MathJax.js|' doc/userdoc/*.html
	perl -pi -e 's|https://cdnjs.cloudflare.com/ajax/libs/require.js/.*/require.min.js|file:///usr/share/javascript/requirejs/require.min.js|' tests/python/*.html
	perl -pi -e 's|https://cdn.mathjax.org/mathjax/.*/MathJax.js|file:///usr/share/javascript/mathjax/MathJax.js|' tests/python/*.html doc/userdoc/*.html
	perl -pi -e 's,https://cdnjs.cloudflare.com/ajax/libs/mathjax/.*/(?:MathJax|latest).js,file:///usr/share/javascript/mathjax/MathJax.js,' tests/python/*.html doc/userdoc/*.html
	perl -pi -e 's|https://cdnjs.cloudflare.com/ajax/libs/jquery/2.0.3/jquery.min.js|file:///usr/share/javascript/jquery/jquery.min.js|' tests/python/*.html