#!/usr/bin/make -f
# -*- makefile -*-

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

# This can be disabled if the bundled icu overtakes the system version,
# or for backporting
WITH_SYSTEM_ICU = yes

DEB_HOST_ARCH  ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
DEB_HOST_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
DEB_BUILD_GNU_TYPE ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
DEB_HOST_ARCH_ENDIAN ?= $(shell dpkg-architecture -qDEB_HOST_ARCH_ENDIAN)
export DEB_HOST_ARCH
# mozjs' build process does not seem to be compatible with other shells
# like zsh
export SHELL = /bin/sh
export PYTHON = python

SRCDIR = $(CURDIR)/js/src
BUILDDIR = $(CURDIR)/debian/build
CONFIGURE_FLAGS =

# ia64 currently has toolchain issues, so relax the link optimization
# -fno-schedule-insns2 breaks gcc on ia64, so leave it enabled
ifneq (,$(findstring $(DEB_BUILD_ARCH),ia64))
	DEB_CFLAGS_MAINT_APPEND += -G0 -fno-lifetime-dse -fno-delete-null-pointer-checks
	DEB_CXXFLAGS_MAINT_APPEND += -G0 -fno-lifetime-dse -fno-delete-null-pointer-checks
else
	DEB_CFLAGS_MAINT_APPEND += -fno-schedule-insns2 -fno-lifetime-dse -fno-delete-null-pointer-checks
	DEB_CXXFLAGS_MAINT_APPEND += -fno-schedule-insns2 -fno-lifetime-dse -fno-delete-null-pointer-checks
endif
ifneq (,$(findstring $(DEB_BUILD_ARCH),armel armhf))
        DEB_CFLAGS_MAINT_APPEND += -fno-schedule-insns
        DEB_CXXFLAGS_MAINT_APPEND += -fno-schedule-insns
endif
ifneq (,$(findstring $(DEB_BUILD_ARCH),sh4))
        DEB_CFLAGS_MAINT_APPEND += -mlra
        DEB_CXXFLAGS_MAINT_APPEND += -mlra
endif
export DEB_CFLAGS_MAINT_APPEND DEB_CXXFLAGS_MAINT_APPEND

ifneq (,$(findstring $(DEB_HOST_ARCH),mips mipsel mips64el))
CONFIGURE_FLAGS += --disable-ion
endif

ifeq ($(DEB_HOST_ARCH),sh4)
CONFIGURE_FLAGS += --disable-pie
else
CONFIGURE_FLAGS += --enable-pie
endif

ifeq ($(WITH_SYSTEM_ICU),yes)
CONFIGURE_FLAGS += --with-system-icu
else
CONFIGURE_FLAGS += --without-system-icu
ifeq ($(DEB_HOST_ARCH_ENDIAN),little)
ICU_DATA_FILE = icudt60l.dat
else
ICU_DATA_FILE = icudt60b.dat
endif
export ICU_DATA_FILE
endif

%:
	dh $@ --sourcedirectory=$(SRCDIR) --builddirectory=$(BUILDDIR) --with gnome,pkgkde-symbolshelper

override_dh_clean:
	dh_clean
	find $(CURDIR) -name \*.pyc -exec rm {} \;
	find $(CURDIR)/js/src/ -type l -exec rm {} \;
	rm -f $(CURDIR)/js/src/config/nsinstall
	rm -f $(CURDIR)/js/src/dist/bin/.purgecaches
	rm -f  $(CURDIR)/js/src/js60-config $(CURDIR)/js/src/mozjs-60.pc \
		$(CURDIR)/js/src/symverscript
	rm -f $(CURDIR)/js/src/config.log
	# rm -f $(CURDIR)/js/src/configure
	rm -fr $(CURDIR)/intl/icu/source/autom4te.cache
	rm -fr $(CURDIR)/debian/build
	rm -rf third_party/python/psutil/build/ third_party/python/psutil/psutil/_*.so third_party/python/psutil/tmp/

override_dh_autoreconf:
	WITH_SYSTEM_ICU=$(WITH_SYSTEM_ICU) dh_autoreconf $(CURDIR)/debian/autogen.sh

# dh_auto_configure does not properly handle autoconf2.13 generated configure
# scripts, so we call configure ourselves.
# http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=570375
# The bundled copy of icu prefers clang, which we need to override to
# use gcc because clang doesn't support our DEB_CFLAGS_MAINT_APPEND
override_dh_auto_configure:
ifneq ($(WITH_SYSTEM_ICU),yes)
	CC=$${CC:-$(DEB_HOST_GNU_TYPE)-gcc} \
	CXX=$${CXX:-$(DEB_HOST_GNU_TYPE)-g++} \
	VERBOSE=1 python intl/icu_sources_data.py "$(CURDIR)"
endif
	mkdir -p $(BUILDDIR)
	cd $(BUILDDIR) && $(SHELL) $(SRCDIR)/configure \
		--host=$(DEB_HOST_GNU_TYPE) \
		--target=$(DEB_BUILD_GNU_TYPE) \
		--prefix=/usr \
		--libdir=/usr/lib/${DEB_HOST_MULTIARCH}/ \
		--enable-posix-nspr-emulation \
		--with-system-zlib \
		--disable-strip \
		--with-intl-api \
		--enable-readline \
		--disable-optimize \
		--disable-jemalloc \
		$(CONFIGURE_FLAGS)

override_dh_install:
	# move library and create additional symlinks to standardize the file layout
	cd $(CURDIR)/debian/tmp/usr/lib/${DEB_HOST_MULTIARCH}/ && \
		mv libjs_static.ajs libmozjs-60.a && \
		mv libmozjs-60.so libmozjs-60.so.0.0.0 && \
		ln -s libmozjs-60.so.0.0.0 libmozjs-60.so.0 && \
		ln -s libmozjs-60.so.0 libmozjs-60.so
	rm debian/tmp/usr/lib/${DEB_HOST_MULTIARCH}/libmozjs-60.a
	dh_install

override_dh_missing:
	dh_missing --fail-missing

override_dh_fixperms:
	dh_fixperms
	chmod a-x $(CURDIR)/debian/libmozjs-60-dev/usr/lib/${DEB_HOST_MULTIARCH}/pkgconfig/mozjs-60.pc

override_dh_gnome:
	dh_gnome --no-gnome-versions

override_dh_auto_test:
	@:
ifeq ($(DEB_HOST_GNU_TYPE),$(DEB_BUILD_GNU_TYPE))
ifeq (,$(findstring nocheck,$(DEB_BUILD_OPTIONS)))
	SRCDIR=${SRCDIR} BUILDDIR=${BUILDDIR} DEB_HOST_ARCH=${DEB_HOST_ARCH} $(CURDIR)/debian/test.sh
endif
endif