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| author | Nikhil Raj <nikhil.raj@arm.com> | 2022-04-27 16:19:02 +0100 |
|---|---|---|
| committer | Jim Flynn <jim.flynn@arm.com> | 2022-05-05 07:52:48 +0000 |
| commit | 8272a7bda2974c39b6c06e3eb3a000f2bdb749f7 (patch) | |
| tree | 8b2b4140b466b481fe8cc57dfb139e09aa29b738 | |
| parent | 38b72e8de898d84a1481e242803da61009719891 (diff) | |
| download | armnn-8272a7bda2974c39b6c06e3eb3a000f2bdb749f7.tar.gz | |
IVGCVSW-6927 Add missing section to Build Android NDK guide
* Added building flatbuffer section
* Added installing cmake 3.19
Signed-off-by: Nikhil Raj <nikhil.raj@arm.com>
Change-Id: I35925a1dc3c1fdcf3c7b7a1d44f24bd3253c9159
| -rw-r--r-- | BuildGuideAndroidNDK.md | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/BuildGuideAndroidNDK.md b/BuildGuideAndroidNDK.md index 5068a8f5c8..d25aa1c1bb 100644 --- a/BuildGuideAndroidNDK.md +++ b/BuildGuideAndroidNDK.md @@ -2,7 +2,9 @@ - [Introduction](#introduction) - [Download the Android NDK and make a standalone toolchain](#download-the-android-ndk-and-make-a-standalone-toolchain) +- [Install Cmake](#install-cmake) - [Build Google's Protobuf library](#build-google-s-protobuf-library) +- [Build Flatbuffers](#build-flatbuffers) - [Download Arm NN](#download-arm-nn) - [Build Arm Compute Library](#build-arm-compute-library) - [Build Arm NN](#build-arm-nn) @@ -35,9 +37,23 @@ All downloaded or generated files will be saved inside the `$HOME/armnn-devenv` * With the android ndk-20b, you don't need to use the make_standalone_toolchain script to create a toolchain for a specific version of android. Android's current preference is for you to just specify the architecture and operating system while setting the compiler and just use the ndk directory. +## Install Cmake +Cmake 3.19rc3 is required to build Arm NN. + +''' +cd $HOME/armnn-devenv +sudo apt-get install libssl-dev +wget https://github.com/Kitware/CMake/releases/download/v3.19.0-rc3/cmake-3.19.0-rc3.tar.gz +tar -zxvf cmake-3.19.0-rc3.tar.gz +cd cmake-3.19.0-rc3 +./bootstrap --prefix=$HOME/armnn-devenv/cmake/install +make all install +cd.. +''' + ## Build Google's Protobuf library (Optional) -* Clone protobuf: +* Clone protobuf: (Requires Git if not previously installed: `sudo apt install git`) ```bash mkdir $HOME/armnn-devenv/google @@ -76,6 +92,30 @@ cd .. Note: The ANDROID_API variable should be set to the Android API version number you are using. E.g. "30" for Android R. +## Build Flatbuffers + +* Download Flatbuffers +```bash +cd $HOME/armnn-devenv +wget -O flatbuffers-1.12.0.tar.gz https://github.com/google/flatbuffers/archive/v1.12.0.tar.gz +tar xf flatbuffers-1.12.0.tar.gz +``` + +* Build Flatbuffers +```bash +cd flatbuffers-1.12.0 +rm -f CMakeCache.txt +rm -rf build +mkdir build +cd build +CXXFLAGS="-fPIC" $CMAKE .. \ + -DFLATBUFFERS_BUILD_FLATC=1 \ + -DCMAKE_INSTALL_PREFIX:PATH=$WORKING_DIR/flatbuffers + +make all install +``` +Note: -fPIC is added to allow users to use the libraries in shared objects. + ## Download Arm NN * Clone Arm NN: (Requires Git if not previously installed: `sudo apt install git`) @@ -148,6 +188,8 @@ cmake .. \ -DARMCOMPUTE_BUILD_DIR=$HOME/armnn-devenv/ComputeLibrary/build \ -DARMCOMPUTENEON=1 -DARMCOMPUTECL=1 -DARMNNREF=1 \ -DPROTOBUF_ROOT=$HOME/armnn-devenv/google/arm64_pb_install/ + -DFLATBUFFERS_ROOT=$HOME/armnn-devenv/flatbuffers \ + -DFLATC_DIR=$HOME/armnn-devenv/flatbuffers-1.12.0/build \ ``` To include standalone sample dynamic backend tests, add the argument to enable the tests and the dynamic backend path to the CMake command: |