#!/usr/bin/make -f

SHELL := /bin/bash

BUILDDIR := build
TARGET := debian/tmp

# libcec currently not linked in hyperion therefore not recognizable but hardcoded in FIND_DEPENDS
REQUIRED_DEPS := libusb libasound libmbedtls libturbojpeg libcec
QT5_DEPS := libqt5widgets5,libqt5x11extras5,libqt5sql5,libqt5serialport5,libqt5sql5-sqlite,

FIND_DEPENDS = $(shell \
	PACKAGES=(); \
	PACKAGES+=("$$(dpkg -S "libcec.so" 2>/dev/null | cut -d : -f 1 | sed '/-dev/d' | head -1)"); \
	for SHARED_LIB in $$(objdump -p $(BUILDDIR)/bin/hyperiond | awk '/NEEDED/{ print $$2 }'); do \
		PACKAGES+=("$$(dpkg -S $$(basename "$$SHARED_LIB") 2>/dev/null | cut -d : -f 1 | sed '/-dev/d' | head -1)"); \
	done; \
	RESULT=(); \
	for LIB in $(REQUIRED_DEPS); do \
		for i in "$${PACKAGES[@]}"; do \
			if [[ $$i = *"$$LIB"* ]]; then \
				RESULT+=("$$i"); \
				break; \
			fi; \
		done; \
	done; \
	printf '%s,' "$${RESULT[@]}" \
)

CMAKE_ENVIRONMENT := -DUSE_SYSTEM_MBEDTLS_LIBS=ON -DENABLE_DEPLOY_DEPENDENCIES=OFF -DCMAKE_BUILD_TYPE=Release

ifeq ($(shell dpkg-vendor --query Vendor),Ubuntu)
	ifeq ($(shell dpkg-architecture -qDEB_HOST_ARCH),arm64)
		CMAKE_ENVIRONMENT+= -DENABLE_DISPMANX=OFF -DENABLE_X11=ON -DENABLE_XCB=ON
	else ifeq ($(shell dpkg-architecture -qDEB_HOST_ARCH),armhf)
		CMAKE_ENVIRONMENT+= -DENABLE_DISPMANX=OFF -DENABLE_X11=ON -DENABLE_XCB=ON
	endif
endif

build:
	[ -d $(BUILDDIR) ] || mkdir -p $(BUILDDIR)
	cd $(BUILDDIR); cmake $(CMAKE_ENVIRONMENT) -DCMAKE_INSTALL_PREFIX=../$(TARGET)/usr ..
	make -j$(shell nproc) -C $(BUILDDIR)

binary: 
	$(eval DETERMINED_DEPS=$(FIND_DEPENDS))
	cd $(BUILDDIR); cmake -P cmake_install.cmake
	rm -rf $(TARGET)/usr/include $(TARGET)/usr/lib $(TARGET)/usr/bin/flatc
	[ -d $(TARGET)/DEBIAN ] || mkdir -p $(TARGET)/DEBIAN
	cp -rf cmake/package-scripts/* $(TARGET)/DEBIAN/
	chmod 0775 $(TARGET)/DEBIAN/*
	dpkg-gencontrol -phyperion "-Vdist:Depends=$(QT5_DEPS)$(DETERMINED_DEPS)"
	dpkg-deb --build $(TARGET) ..

clean:
	rm -rf $(TARGET) $(BUILDDIR)

.PHONY: build binary clean