#!/usr/bin/make -f
SHELL = /bin/sh -e

# in order to keep output non-intermixed together, disable parallel building
# of different targets in this d/rules but allow running parallel submakes
.NOTPARALLEL:

# get DEB_VERSION
include /usr/share/dpkg/pkg-info.mk
# get DEB_HOST_ARCH DEB_HOST_ARCH_OS DEB_HOST_GNU_TYPE DEB_HOST_MULTIARCH DEB_BUILD_GNU_TYPE
include /usr/share/dpkg/architecture.mk
# get CFLAGS LDFLAGS etc
include /usr/share/dpkg/buildflags.mk

libdir = /usr/lib/${DEB_HOST_MULTIARCH}

ifeq ($(shell dpkg-vendor --derives-from Ubuntu && echo yes),yes)
VENDOR := UBUNTU
DEB_BUILD_PARALLEL = yes
else
VENDOR := DEBIAN
endif

# support parallel build using DEB_BUILD_OPTIONS=parallel=N
ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
  MAKEFLAGS += -j$(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
endif

# verbose build
V ?= 1

sysdatadir = debian/xemu/usr/share/xemu

# we add another set of configure options from debian/control
common_configure_opts = \
	--with-pkgversion="Debian $(DEB_VERSION)" \
	--extra-cflags="$(CFLAGS) $(CPPFLAGS)" --extra-ldflags="$(LDFLAGS) -Wl,--as-needed" \
	--localstatedir=/var

# Cross compiling support
ifneq ($(DEB_BUILD_GNU_TYPE), $(DEB_HOST_GNU_TYPE))
common_configure_opts  += --cross-prefix=$(DEB_HOST_GNU_TYPE)-
endif

ifneq ($(filter $(DEB_HOST_ARCH),i386 x32),)
# XXX as of 2020-04-29, i386 buildd fails to link -static-pie executable:
# /usr/bin/ld: /usr/lib/i386-linux-gnu/libc.a(memset_chk-nonshared.o):
#	unsupported non-PIC call to IFUNC `memset'
# so disable PIE for qemu-user-static build on i386 for now.
# On x32 -static-pie fails in different way.
# On amd64 -static-pie appears to work fine.
# On other architectures qemu correctly detect that -static-pie is not available
XXXstaticpie = --disable-pie
else
XXXstaticpie =
endif


%:
	dh $@

override_dh_auto_configure:

override_dh_auto_build:
	./build.sh ${XEMU_BUILD_OPTIONS} ${common_configure_opts} || \
	{ echo ===== BUILD FAILED ===; cat build/meson-logs/meson-log.txt; exit 1; }
	cp debian/copyright debian/qemu.deb.copyright
	cp dist/LICENSE.txt debian/copyright

override_dh_auto_test:

override_dh_auto_install:
	# mkdir -p $(sysdatadir)
	# cp -r dist/data $(sysdatadir)
	install -DT debian/qemu.deb.copyright debian/xemu/usr/share/doc/xemu/qemu.deb.copyright
	install -DTm 0755 dist/xemu debian/xemu/usr/bin/xemu
	install -DT ui/xemu.desktop debian/xemu/usr/share/applications/xemu.desktop
	install -DT ui/icons/xemu_16x16.png debian/xemu/usr/share/icons/hicolor/16x16/apps/xemu.png
	install -DT ui/icons/xemu_24x24.png debian/xemu/usr/share/icons/hicolor/24x24/apps/xemu.png
	install -DT ui/icons/xemu_32x32.png debian/xemu/usr/share/icons/hicolor/32x32/apps/xemu.png
	install -DT ui/icons/xemu_48x48.png debian/xemu/usr/share/icons/hicolor/48x48/apps/xemu.png
	install -DT ui/icons/xemu_256x256.png debian/xemu/usr/share/icons/hicolor/256x256/apps/xemu.png
	install -DT ui/icons/xemu_512x512.png debian/xemu/usr/share/icons/hicolor/512x512/apps/xemu.png
	install -DT ui/icons/xemu.svg debian/xemu/usr/share/icons/hicolor/scalable/apps/xemu.svg