#!/usr/bin/make -f

export DEB_BUILD_MAINT_OPTIONS = hardening=+all

PATH_DEV_PKG=debian/libtensorflow-lite-dev
PATH_DEV_HEADERS=${PATH_DEV_PKG}/usr/include/tensorflow

%:
	dh $@ --sourcedirectory=tensorflow/lite

# See upstream instructions:
# https://ai.google.dev/edge/litert/build/cmake

override_dh_auto_configure:
	dh_auto_configure -- \
		-Wno-dev \
		-DCMAKE_BUILD_TYPE=Release \
		-DBUILD_SHARED_LIBS=ON \
		-DTFLITE_ENABLE_INSTALL=ON \
		-DTFLITE_ENABLE_GPU=OFF \
		-DTFLITE_ENABLE_NNAPI=OFF \
		-DTFLITE_ENABLE_RESOURCE=ON \
		-DTFLITE_ENABLE_RUY=ON \
		-DTFLITE_ENABLE_XNNPACK=OFF \
		-DCMAKE_FIND_PACKAGE_PREFER_CONFIG=ON \
		-DSYSTEM_FARMHASH=ON \
		-DSYSTEM_PTHREADPOOL=ON \
		-Dabsl_DIR=/usr/lib/$(DEB_HOST_MULTIARCH)/cmake/absl/ \
		-Dcpuinfo_DIR=/usr/lib/$(DEB_HOST_MULTIARCH)/cmake/cpuinfo/ \
		-DEigen3_DIR=/usr/share/eigen3/cmake/ \
		-Dfft2d_DIR=/usr/lib/$(DEB_HOST_MULTIARCH)/cmake/fft2d/ \
		-DFlatBuffers_DIR=/usr/lib/$(DEB_HOST_MULTIARCH)/cmake/flatbuffers/ \
		-DGEMMLOWP_SOURCE_DIR=/usr/include/gemmlowp \
		-DML_DTYPES_SOURCE_DIR=/usr/include/ml_dtypes \
		-DNEON_2_SSE_DIR=/usr/lib/cmake/NEON_2_SSE/ \
		$(NULL)

execute_after_dh_install:
	install -d ${PATH_DEV_HEADERS}/lite/core/async/interop/c
	install -d ${PATH_DEV_HEADERS}/lite/profiling/telemetry/c/
	cp -v tensorflow/lite/core/async/interop/*.h ${PATH_DEV_HEADERS}/lite/core/async/interop/
	cp -v tensorflow/lite/core/async/interop/c/*.h ${PATH_DEV_HEADERS}/lite/core/async/interop/c/
	cp -v tensorflow/lite/profiling/*.h ${PATH_DEV_HEADERS}/lite/profiling/
	cp -v tensorflow/lite/profiling/telemetry/*.h ${PATH_DEV_HEADERS}/lite/profiling/telemetry/
	cp -v tensorflow/lite/profiling/telemetry/c/*.h ${PATH_DEV_HEADERS}/lite/profiling/telemetry/c/

override_dh_makeshlibs:
	# Don't make disappearing symbols fatal, for now.
	dh_makeshlibs -- -c0