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

NULL =

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

include /usr/share/dpkg/default.mk

ifneq (,$(filter $(DEB_HOST_ARCH), m68k))
  FLOAT_STORE=-ffloat-store
endif
ifneq (,$(filter $(DEB_HOST_ARCH), ia64 riscv64 s390x))
  FLOATTEST=-DFLOATTEST=fp-contract
endif

# To enable all, uncomment following line
export DEB_BUILD_MAINT_OPTIONS = hardening=+all
export DEB_CFLAGS_MAINT_APPEND  = -Wall -pedantic $(FLOAT_STORE)

export DPKG_GENSYMBOLS_CHECK_LEVEL = 4

CFLAGS ?= $(shell dpkg-buildflags --get CFLAGS)
CPPFLAGS ?= $(shell dpkg-buildflags --get CPPFLAGS)
LDFLAGS ?= $(shell dpkg-buildflags --get LDFLAGS)
ifneq (,$(filter noopt,$(DEB_BUILD_OPTIONS)))
	CFLAGS += -Wall
endif

ifeq ($(DEB_HOST_GNU_TYPE),$(DEB_BUILD_GNU_TYPE))
CC = gcc
else
CC = $(DEB_HOST_GNU_TYPE)-gcc
endif

SIMD_BROKEN_ARCHS = x32

ifeq (,$(filter $(DEB_HOST_ARCH), $(SIMD_BROKEN_ARCHS)))
  DISABLE_SIMD=-DWITH_SIMD=1
else
  DISABLE_SIMD=-DWITH_SIMD=0
endif

%:
	dh $@ --with javahelper

override_dh_auto_configure:
	dh_auto_configure -- $(DISABLE_SIMD) $(FLOATTEST) \
	                     -DWITH_JAVA=1 \
	                     -DCMAKE_INSTALL_LIBDIR=/usr/lib/$(DEB_HOST_MULTIARCH) \
	                     -DCMAKE_INSTALL_MANDIR=/usr/share/man/
	                     $(NULL)

override_dh_auto_build:
	dh_auto_build -- V=1
	$(MAKE) -C debian/extra CC=$(CC) CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" CPPFLAGS="$(CPPFLAGS)" V=1

override_dh_auto_clean:
	$(MAKE) -C debian/extra clean
	if [ -e Makefile ]; then $(MAKE) testclean; fi
	dh_auto_clean
	rm -f simd/jsimdcfg.inc

override_dh_auto_install: debian/tjbench.1
	dh_auto_install
	# drop documentation files (installed via dh_installdocs)
	rm -Rfv debian/tmp/usr/share/doc/
	# Install extra utilities
	$(MAKE) -C debian/extra install prefix=/usr DESTDIR=$(CURDIR)/debian/tmp
	# Install manual page for tjbench.1
	install -m 644 debian/tjbench.1 $(CURDIR)/debian/tmp/usr/share/man/man1/
	# Fix jconfig.h for MultiArch
	rm -f debian/tmp/usr/include/jconfig.h
	mkdir -p debian/tmp/usr/include/$(DEB_HOST_MULTIARCH)
	sed -e "s/#\(undef\|define\) HAVE_\(LOCALE\|\(STD\(DEF\|LIB\)\)\)_H 1//g" \
		obj-$(DEB_HOST_GNU_TYPE)/jconfig.h > debian/tmp/usr/include/$(DEB_HOST_MULTIARCH)/jconfig.h

override_dh_install:
	dh_install -X.la -X/usr/share/doc

override_dh_missing:
	dh_missing --fail-missing

override_dh_installchangelogs:
	dh_installchangelogs -plibjpeg62-turbo-dev change.log
	dh_installchangelogs -Nlibjpeg62-turbo-dev

# See debhelper:
DEFAULT_BUILD_DIRECTORY = obj-$(DEB_HOST_GNU_TYPE)

debian/tjbench.1: debian/tjbench.1.in
	PATH=$(CURDIR)/$(DEFAULT_BUILD_DIRECTORY) \
		/usr/bin/help2man --no-info --include=$< --output=$@ \
		--name="benchmark the performance of libjpeg-turbo" \
		--version-string=$(DEB_VERSION_UPSTREAM) `basename $@ .1`
	# next line may break in the future, but tidy output a bit:
	sed -z -i -e 's/USAGE: tjbench\n.IP/.SH USAGE\n.IP\ntjbench/g' $@

get-orig-source:
	uscan --noconf --force-download --rename --download-current-version --destdir=..