new package: python-tflite-runtime

packages/python-tflite-runtime/0001-no-android-log.patch

@@ -0,0 +1,50 @@
+--- a/tensorflow/lite/CMakeLists.txt
++++ b/tensorflow/lite/CMakeLists.txt
+@@ -233,7 +233,7 @@
+     list(APPEND TFLITE_TARGET_PRIVATE_OPTIONS "-Wa,-mbig-obj")
+   endif()
+ endif()
+-if(CMAKE_SYSTEM_NAME MATCHES "Android")
++if(FALSE)
+   find_library(ANDROID_LOG_LIB log)
+   list(APPEND TFLITE_TARGET_DEPENDENCIES
+     log
+@@ -263,7 +263,7 @@
+
+ # Handle TFLite logging source.
+ list(FILTER TFLITE_SRCS EXCLUDE REGEX ".*minimal_logging_.*\\.cc$")
+-if("${CMAKE_SYSTEM_NAME}" STREQUAL "Android")
++if(FALSE)
+   list(APPEND TFLITE_SRCS ${TFLITE_SOURCE_DIR}/minimal_logging_android.cc)
+ elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "iOS")
+   list(APPEND TFLITE_SRCS ${TFLITE_SOURCE_DIR}/minimal_logging_ios.cc)
+--- a/tensorflow/lite/tools/benchmark/CMakeLists.txt
++++ b/tensorflow/lite/tools/benchmark/CMakeLists.txt
+@@ -78,7 +78,6 @@
+     )
+   endif()  # _TFLITE_ENABLE_NNAPI
+   list(APPEND TFLITE_BENCHMARK_LIBS
+-    ${ANDROID_LOG_LIB}
+     absl::strings
+   )
+ endif()  # Android
+--- a/tensorflow/lite/tools/logging.h
++++ b/tensorflow/lite/tools/logging.h
+@@ -27,7 +27,7 @@
+ #undef ERROR
+ #endif
+
+-#ifdef __ANDROID__
++#if 0
+ #include <android/log.h>
+ #endif
+
+@@ -53,7 +53,7 @@
+     if (should_log_) {
+       // Also print log to logcat for android, as stderr will be hidden
+       // in the app use case.
+-#ifdef __ANDROID__
++#if 0
+       switch (severity_) {
+         case LogSeverity::INFO:
+           __android_log_print(ANDROID_LOG_INFO, "tflite", "%s",

packages/python-tflite-runtime/0002-include-neon2sse-for-xnnpack.patch

@@ -0,0 +1,22 @@
+--- a/tensorflow/lite/CMakeLists.txt
++++ b/tensorflow/lite/CMakeLists.txt
+@@ -507,6 +507,11 @@
+ if(TFLITE_ENABLE_XNNPACK)
+   find_package(fp16_headers REQUIRED)
+   find_package(XNNPACK REQUIRED)
++  set(XNNPACK_NEON_2_SSE "")
++  if (NOT CMAKE_SYSTEM_PROCESSOR OR CMAKE_SYSTEM_PROCESSOR MATCHES "x86")
++    find_package(NEON_2_SSE REQUIRED)
++    list(APPEND XNNPACK_NEON_2_SSE NEON_2_SSE::NEON_2_SSE)
++  endif()
+   populate_tflite_source_vars("delegates/xnnpack"
+     TFLITE_DELEGATES_XNNPACK_SRCS
+     FILTER ".*(_test|_tester)\\.(cc|h)"
+@@ -533,6 +538,7 @@
+     flatbuffers::flatbuffers
+     gemmlowp::gemmlowp
+     ruy::ruy
++    ${XNNPACK_NEON_2_SSE}
+     )
+
+   list(APPEND TFLITE_TARGET_PUBLIC_OPTIONS "-DTFLITE_KERNEL_USE_XNNPACK")

packages/python-tflite-runtime/build.sh

@@ -0,0 +1,78 @@
+TERMUX_PKG_HOMEPAGE=https://www.tensorflow.org/lite
+TERMUX_PKG_DESCRIPTION="TensorFlow Lite Python bindings"
+TERMUX_PKG_LICENSE="Apache-2.0"
+TERMUX_PKG_MAINTAINER="@termux"
+TERMUX_PKG_VERSION="2.18.0"
+TERMUX_PKG_SRCURL=git+https://github.com/tensorflow/tensorflow
+TERMUX_PKG_AUTO_UPDATE=true
+TERMUX_PKG_DEPENDS="python, python-numpy, python-pip"
+TERMUX_PKG_UPDATE_TAG_TYPE="latest-release"
+TERMUX_PKG_PYTHON_COMMON_DEPS="setuptools, wheel, pybind11"
+TERMUX_PKG_HOSTBUILD=true
+TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
+-DTFLITE_HOST_TOOLS_DIR=$TERMUX_PKG_HOSTBUILD_DIR
+"
+
+termux_step_host_build() {
+	termux_setup_cmake
+
+	cmake "$TERMUX_PKG_SRCDIR"/tensorflow/lite
+	cmake --build . --verbose -j $TERMUX_PKG_MAKE_PROCESSES -t flatbuffers-flatc
+}
+
+termux_step_pre_configure() {
+	termux_setup_cmake
+	termux_setup_ninja
+
+	# Copied from tensorflow/lite/tools/pip_package/build_pip_package_with_cmake.sh
+	export TENSORFLOW_DIR="$TERMUX_PKG_SRCDIR"
+	local TENSORFLOW_LITE_DIR="$TENSORFLOW_DIR/tensorflow/lite"
+	local TENSORFLOW_VERSION=$(grep "_VERSION = " "$TENSORFLOW_DIR/tensorflow/tools/pip_package/setup.py" | cut -d= -f2 | sed "s/[ '-]//g")
+	export PACKAGE_VERSION="$TENSORFLOW_VERSION"
+	export PROJECT_NAME="tflite_runtime"
+	TFLITE_BUILD_DIR="$TERMUX_PKG_BUILDDIR/build-wheel"
+	local BUILD_DIR="$TFLITE_BUILD_DIR"
+	local PYTHON="$(command -v python)"
+	local PYBIND11_INCLUDE=$($PYTHON -c "import pybind11; print (pybind11.get_include())")
+	CPPFLAGS+=" -I$PYTHON_SITE_PKG/numpy/_core/include"
+	CPPFLAGS+=" -I$PYBIND11_INCLUDE"
+	CPPFLAGS+=" -I$TERMUX_PREFIX/include/python$TERMUX_PYTHON_VERSION"
+
+	# Build source tree
+	rm -rf "$BUILD_DIR" && mkdir -p "$BUILD_DIR/tflite_runtime"
+	cp -r "$TENSORFLOW_LITE_DIR/tools/pip_package/debian" \
+		"$TENSORFLOW_LITE_DIR/tools/pip_package/MANIFEST.in" \
+		"$TENSORFLOW_LITE_DIR/python/interpreter_wrapper" \
+		"$BUILD_DIR"
+	cp  "$TENSORFLOW_LITE_DIR/tools/pip_package/setup_with_binary.py" "$BUILD_DIR/setup.py"
+	cp "$TENSORFLOW_LITE_DIR/python/interpreter.py" \
+		"$TENSORFLOW_LITE_DIR/python/metrics/metrics_interface.py" \
+		"$TENSORFLOW_LITE_DIR/python/metrics/metrics_portable.py" \
+		"$BUILD_DIR/tflite_runtime"
+	echo "__version__ = '$PACKAGE_VERSION'" >> "$BUILD_DIR/tflite_runtime/__init__.py"
+	echo "__git_version__ = '$(git -C "$TENSORFLOW_DIR" describe)'" >> "$BUILD_DIR/tflite_runtime/__init__.py"
+
+	TERMUX_PKG_SRCDIR_OLD="$TERMUX_PKG_SRCDIR"
+	TERMUX_PKG_SRCDIR="$TERMUX_PKG_SRCDIR/tensorflow/lite"
+}
+
+termux_step_post_configure() {
+	TERMUX_PKG_SRCDIR="$TERMUX_PKG_SRCDIR_OLD"
+}
+
+termux_step_make() {
+	# Build python interpreter_wrapper
+	cmake --build . -j $TERMUX_PKG_MAKE_PROCESSES -t _pywrap_tensorflow_interpreter_wrapper
+	cp "$TERMUX_PKG_BUILDDIR/_pywrap_tensorflow_interpreter_wrapper.so" \
+		"$TFLITE_BUILD_DIR/tflite_runtime"
+
+	# Build python wheel
+	cd "$TFLITE_BUILD_DIR"
+	python setup.py bdist_wheel
+}
+
+termux_step_make_install() {
+	local _pyver="${TERMUX_PYTHON_VERSION//./}"
+	local _wheel="tflite_runtime-${TERMUX_PKG_VERSION}-cp${_pyver}-cp${_pyver}-linux_${TERMUX_ARCH}.whl"
+	pip install --no-deps --prefix="$TERMUX_PREFIX" "$TFLITE_BUILD_DIR/dist/${_wheel}"
+}