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- #NEON DRIVE FOR ANDROID ZIP FILE#
- #NEON DRIVE FOR ANDROID ANDROID#
- #NEON DRIVE FOR ANDROID CODE#
- #NEON DRIVE FOR ANDROID DOWNLOAD#
I have recently found another way to work around the limitations of NDK. Omitting any part of these requirements totally loses the point of the question
#NEON DRIVE FOR ANDROID CODE#
4) NEON code comes from a c/cpp file and is written using neon intrinsics.
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3) allow this build to also contain NEON code (which could be executed based on run-time cpu detection cpu detection is outside the scope of the question). 2) make build that runs on armv6 (pre neon devices, e.g.
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#NEON DRIVE FOR ANDROID ANDROID#
So, if the android build system wasn't excessively intrusive, I wouldn't have to ask questions, but it seems that there is no way for me to compile one file for armv6 and the other file for arm7-neon.Ĭan anybody give any clues if that's doable?īefore trying to reply and wasting internet-ink, it should be clear that these are the main points: 1) make only ONE lib. The neon code uses neon intrinsics, and to be able to compile it, I must enable armeabi-v7a, but that affects regular c-code (it becomes broken on some low-end devices). NDK_PROJECT_PATH and NDK_APPLICATION_MK are required when not using Android default paths like jni/.I want to build my library for armv6, and there is some neon code that I enable at runtime if the device supports it. To run the script issue ndk-build with several NDK build variables set. The trailing slash is important because the build system uses GNU Make's addprefix which is a simple concatenation. You must set CRYPTOPP_ROOT in Android.mk to a value like. Android.mk and Application.mk will be located in a folder like /jni. Your Crypto++ source files will be located in a folder like /cryptopp-7.1. The Android build files require an unusal filesystem layout. Also see Recommended NDK Directory? on the Android NDK mailing list. The project does not use environmental variables from Eclipse or Android Studio like ANDROID_HOME or ANDROID_SDK_HOME. They should be set whenever you use Android's command line tools. Prerequisitesīefore running the Android project please ensure you have the following installed:ĪNDROID_NDK_ROOT and ANDROID_SDK_ROOT are NDK and SDK environmental variables used by the Android tools. You may find the build project files reference a source file that is not present in the Crypto++ release.
#NEON DRIVE FOR ANDROID ZIP FILE#
If you mix and match Master with a release zip file then things may not work as expected. Both Crypto++ and this project use the same release tags, such as CRYPTOPP_8_0_0.
#NEON DRIVE FOR ANDROID DOWNLOAD#
If you are working from a Crypto++ release zip file, then you should download the same cryptopp-android release zip file. # Create *.neon source files for armeabi-v7a If you want to use cryptest-ndk.sh to drive things then perform the following steps. The script downloads the Android.mk project files and builds the library. The script is located in Crypto++'s TestScripts directory. In September 2016 the library added cryptest-ndk.sh to help test the Android.mk gear. With that said cryptest-ndk.sh is used to test the build system. The Android build files are a work in progress, so use them at your own risk. There is a wiki page available that discusses the Android build system and the Crypto++ project files in more detail at Android.mk (Command Line). Though we did not merge Afanasyev's pull request, Afanasyev should get the credit for this work. The pull request went unmerged because we did not want to add the directory structure to accommodate Android builds. The initial Android.mk and Application.mk based on Alex Afanasyev's pull request at. supplement the GNUmakefile which is reaching its limits with repsect to GNUmake-based configuration.The purpose of Crypto++ Android build is two-fold: It supplies Android.mk and Application.mk for Crypto++ for those who want to use Android build tools. This repository contains Android build files for Wei Dai's Crypto++.