#!/usr/bin/make -f

include /usr/share/dpkg/architecture.mk
include /usr/share/dpkg/pkg-info.mk

export DEB_HOST_MULTIARCH

# Security Hardening
export DEB_BUILD_MAINT_OPTIONS = hardening=+all
export DEB_CFLAGS_MAINT_APPEND = -fPIC
export DEB_CXXFLAGS_MAINT_APPEND = -fPIC
export DEB_CPPFLAGS_MAINT_APPEND = -DNDEBUG -UDEBUG -I/usr/include/android
export DEB_LDFLAGS_MAINT_APPEND = -fPIC
export DEB_VERSION

# https://android.googlesource.com/platform/development/+/refs/tags/android-10.0.0_r36/sdk/plat_tools_source.prop_template
export PLATFORM_TOOLS_VERSION = 28.0.2

ifneq (, $(shell which clang))
  export CC=clang
  export CXX=clang++
endif

COMPONENTS = \
		libbacktrace.so \
		libbase.so \
		libcutils.so \
		liblog.so \
		libsparse.so \
		libutils.so \
		libziparchive.so \
		libcrypto_utils.so \
		simg2img \
		img2simg \
		append2simg \
		simg2simg

ifeq ($(findstring stage1,$(DEB_VERSION)),)
  COMPONENTS += adb/adb libadb.so fastboot/fastboot libnativebridge.so libnativeloader.so
endif

# Whatever depends on BoringSSL must be disabled on MIPS
NON_MIPS_COMPONENTS = adb/adb libadb.so libcrypto_utils.so fastboot/fastboot
ifneq ($(filter mips mipsel mips64el,$(DEB_HOST_ARCH)),)
  COMPONENTS := $(filter-out $(NON_MIPS_COMPONENTS),$(COMPONENTS))
endif

# Most components only support ARM, x86 and MIPS, but some can be built
# on all architectures.
COMPONENTS_ANY_ARCH = \
  append2simg \
  img2simg \
  libbase.so \
  libcutils.so \
  liblog.so \
  libsparse.so \
  simg2img \
  simg2simg
ifeq ($(filter amd64 i386 armel armhf arm64 mips mipsel mips64el,$(DEB_HOST_ARCH)),)
  COMPONENTS := $(filter $(COMPONENTS_ANY_ARCH), $(COMPONENTS))
endif

lib%.so: debian/lib%.mk
	dh_auto_build --buildsystem=makefile -- -f $<

debian/%.1: debian/%.1.md
	pandoc --standalone --from=markdown-smart --to=man --output=$@ $<

libadb.so: debian/libadb.mk libcutils.so libbase.so libcrypto_utils.so
	dh_auto_build --buildsystem=makefile -- -f $<

libbacktrace.so: debian/libbacktrace.mk libcutils.so libbase.so liblog.so
	dh_auto_build --buildsystem=makefile -- -f $<

libbase.so: debian/libbase.mk liblog.so
	dh_auto_build --buildsystem=makefile -- -f $<

libcutils.so: debian/libcutils.mk liblog.so libbase.so
	dh_auto_build --buildsystem=makefile -- -f $<

libutils.so: debian/libutils.mk liblog.so libcutils.so libbacktrace.so
	dh_auto_build --buildsystem=makefile -- -f $<

libziparchive: debian/libziparchive.mk liblog.so libbase.so
	dh_auto_build --buildsystem=makefile -- -f $<

adb/adb: debian/adb.mk libadb.so libcutils.so libbase.so debian/adb.1
	dh_auto_build --buildsystem=makefile -- -f $<

fastboot/fastboot: debian/fastboot.mk libziparchive.so libsparse.so libbase.so libcutils.so libadb.so debian/fastboot.1
	dh_auto_build --buildsystem=makefile -- -f $<

simg2img: debian/simg2img.mk libbase.so libsparse.so
	dh_auto_build --buildsystem=makefile -- -f $<

simg2simg: debian/simg2simg.mk libbase.so libsparse.so
	dh_auto_build --buildsystem=makefile -- -f $<

img2simg: debian/img2simg.mk libbase.so libsparse.so
	dh_auto_build --buildsystem=makefile -- -f $<

append2simg: debian/append2simg.mk libbase.so libsparse.so
	dh_auto_build --buildsystem=makefile -- -f $<

libnativebridge.so: debian/libnativebridge.mk liblog.so
	dh_auto_build --buildsystem=makefile -- --file=$<

libnativeloader.so: debian/libnativeloader.mk libnativebridge.so libbase.so
	dh_auto_build --buildsystem=makefile -- --file=$<

%:
	dh $@ --with bash-completion

override_dh_auto_build-arch: $(COMPONENTS)

override_dh_auto_clean:
	dh_auto_clean
	$(foreach component,$(COMPONENTS),make clean -f debian/$(component:.so=).mk;)
	$(RM) debian/*.1 adb/adb fastboot/fastboot

override_dh_shlibdeps:
	dh_shlibdeps -l/usr/lib/$(DEB_HOST_MULTIARCH)/android