Hi, For Cross Compiling LTP-20110228 by using android NDK, i have to create android.mk ( to describe the native source to NDK build system) file.
Can you please suggest steps to create android.mk file for cross compiling LTP source with android NDK send the sample android.mk file to compile LTP-20110228 source by using NDK build system. Thanks in advance. Rajender.G ________________________________________ From: Maxin B John [[email protected]] Sent: Thursday, August 25, 2011 4:29 PM To: G Rajender Cc: Cyril Hrubis; [email protected]; Kumar; Anupam Srivastava - ERS, HCL Tech; [email protected] Subject: Re: [LTP] Porting of LTP on Android on Beagleboard Hi, On Thu, Aug 25, 2011 at 1:31 PM, G Rajender <[email protected]> wrote: > I have Cross compiled the LTP-20110228 source using scratch box and generated > the binaries for beagleboard. Android is a totally different environment in terms of user-land (Dalvik based), libraries (bionic) and kernel as compared to the normal GNU/Linux. You can't use the same cross-tool-chains for normal Linux and Android. > I also built the android ginger bread source and obtained the binaries for > beagleboard. > > I have copied the android images along with LTP binaries (in data partition) > on to SD card and inserted in to sd/mmc slot on beagleboard and booted. > > I got adb command prompt. The script files runltp.sh, runalltests.sh, > runltplite.sh are not running in adb prompt. > > Can u please suggest the procedure of how to run the ltp scripts in adb > command prompt. As mentioned above, the LTP binaries and scripts which are compiled using the normal cross-tool-chain won't work in Android environment. You need to use the specific Android Tool-chain (latest NDK available here: http://developer.android.com/sdk/ndk/index.html ). Repeat the same cross-compiling of LTP using the Android NDK (won't be that easy as bionic isn't as smart or big as glibc). I would also recommend you to port "Busybox" for Android or download it from the Android market itself. The "ash" shell available in Busybox should be enough for you to get started with the scripts in LTP. There are some patches already available for porting LTP to Android : http://comments.gmane.org/gmane.linux.ltp/14497 However, these patches may not be acceptable to the mainstream LTP as it breaks some existing tests in the "common/normal" platforms. I think we can go ahead with the way we support UCLINUX in LTP .. ie: #ifdef UCLINUX So, if we care to re-write those patches with #ifdef ANDROID (or #ifndef ANDROID based on our logic) without breaking other tests, I think we can officially welcome Android related patches to LTP. Cyril, Garrett, please let us know your thoughts on this. 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