0.Introduce
This posts is a guide for porting iw to Android ICS.
iw is a new utility for wireless devices on Linux. It developed by linuxwireless.org.
You can see more detail about how to use it in here.
1.Build requirements: libnl
Frist, you need Grab the tree for libnl:
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$git clone git://git.infradead.org/users/tgr/libnl.git $cd libnl/ $git checkout tags/libnl2_0 $./autogen.sh (generate the configure file) |
Be sure to make ANDROID_PATH point to your android build environment.
Download the android.sh, and apply it.
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$source android.sh $./configure CC=${CC} CFLAGS=${ANDROID_CFLAGS} LDFLAGS=${ANDROID_LDFLAGS} |
Apply this libnl.patch to your ./lib/Makefile and build it.
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$patch lib/Makefile libnl.patch $make |
It will have error happen during the compile process, but if you’re lucky enough, you will find 4 file in ./lib folder (libnl.a libnl-genl.a libnl-nf.a libnl-route.a) . That is exactly what we want. We will static build iw, and wrap those files in iw.
2.Build iw
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$git clone http://git.sipsolutions.net/iw.git $cd iw/ $export LIBNL=your_libnl_path |
Make $LIBNL point to your libnl folder.
Download the iw.patch, and apply it to iw/Makefile
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$patch Makefile iw.patch $CC=${CC} CFLAGS=${ANDROID_CFLAGS} LDFLAGS=${ANDROID_LDFLAGS} EXTLDFLAGS=${ANDROID_EXTLDFLAGS} make |
Finally, we get iw binary file in current folder, if you want know more detail, please read the 2 patch file and android.sh. All compile progress was run in Ubuntu 10.10. Hope you lucky.
* The iw’s Makefile is very unfriendly for cross compile.
* You can add V=1 option when build Android. This option will let build process output full command, I collected all output compiler options and put them in Android.sh.
* Also you can just download this binary file on iw.tar, which is I compiled for my android ics. Hope you lucky enough.
an error occur when excute “configure” in step1
configure: error: unrecognized option: `-I/home/dangku/samsung/lenovo/basewin/A2105/bionic/libc/arch-arm/include\’
You can try to run the options of the android.sh file in command line. Don’t source the android.sh
Hey,
trying to compile using your instructions…
you have some excessive \’s in your script and you don’t really use the $ANDROID_PATH, you might want to fix that..
but never mind that, I’m now at the stage where it tells me the test binaries can’t be run and that I should use –host to set the target… what did you put there? it seems a bit backwards to my intuition (build should be android and host should be i686, isn’t it?)
I’ve guessed –host=arm
applied the patch manually
got only 2 out of 4 =\
missing libnl-nf.a libnl-route.a..
Thank you remind me about the $ANDROID_PATH things, I will fix it. I upload the iw’s binary file on this page, It should be ok on android ICS. You can try it.
Thank you very much!
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Hi,
Could you show me how to add iw support into android source code “external” directory? I need iw as a part of android system not as an external binary. Thanks in advance!
thanks, it helps!
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Since iw 3.10, there exist an Android.mk file, so I decided to try that method instead of the hacks described here. See http://stackoverflow.com/a/19543461/427545 for details on getting it to work on an i9300 with CM10 (or 10.1? JB 4.2.something, kernel 3.0.something)