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[GUIDE] Compile CWM Recovery

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By Shaaan, Recognized Contributor / Recognized Developer on 2nd September 2012, 02:35 PM
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Hi. I am creating this guide because i did not find any particular functional guide with details.

You must be running a 64 or 32 bit version of Ubuntu. Please note that i wont be going in the details on how to setup a build environment and sync sources as there are many guides for that.



Step 1 :
Install the required packages



Step 2 :
Setup the build environment and sync the sources for the required CWM. CWM source comes bundled with the CyanogenMod source.
Code:
CWM 5 - Gingerbread
CWM 6 - Jellybean





Step 3 :
Now we come to the actuall compiling part. Make sure you have synced the latest source using the "repo sync" command.
Change directory to your source.
Issue this command :
Code:
make -j4 otatools



Step 3.5 :
Do this step if your device is not officially supported by CM10.
Using terminal emulator on your device, issue the command
Code:
dump_image boot /sdcard/boot.img

This will dump the boot image to your sdcard. Transfer it to your home directory.

To build Android from source for a new device, you need to set up a board config and its makefiles. This is generally a long and tedious process. Luckily, if you are only building recovery, it is a lot easier. From the root of your Android source directory (assuming you've run envsetup.sh), run the following (substituting names appropriately):
Code:
build/tools/device/mkvendor.sh device_manufacturer_name device_name /your/path/to/the/boot.img

For example if you are having the Samsung Galaxy Ace device, the command will go as follows :
Code:
build/tools/device/mkvendor.sh Samsung cooper ~/boot.img

Please note that Cooper is the device name. Only use "~/boot.img" if you have the boot image in your home directory. Or else please specify the correct path.

You will receive the confirmation "Done!" if everything worked. The mkvendor.sh script will also have created the following directory in your Android source tree:

manufacturer_name/device_name

Step 3.5 ends here.




Step 4 :
Now that you have the device config ready, proceed.
Type the following code in your terminal in the source directory.
Code:
. build/envsetup.sh

This will setup the build environment for you to work.

Now launch the command
Code:
lunch full_device_name-eng


This will set the build system up to build for your new device. Open up the directory in a file explorer or IDE. You should have the following files: AndroidBoard.mk, AndroidProducts.mk, BoardConfig.mk, device_.mk, kernel, system.prop, recovery.fstab, and vendorsetup.sh.

The two files you are interested in are recovery.fstab and kernel. The kernel in that directory is the stock one that was extracted from the boot.img that was provided earlier. For the most part, recovery.fstab will work on most devices that have mtd, emmc, or otherwise named partitions. But if not, recovery.fstab will need to be tweaked to support mounts and their mount points. For example, if your /sdcard mount is /dev/block/mmcblk1p1, you would need the following lines in your BoardConfig.mk

/sdcard vfat /dev/block/mmcblk1p1


Once the recovery.fstab has been properly setup, you can proceed to the next step.




Step 5 :
Now we build the actual recovery.
Code:
make -j4 recoveryimage

This command builds the recovery image

You can use the command
Code:
make -j4 recoveryzip

to make a fakeflash recovery i.e. a temporary recovery to test out on the actual device.

Your recovery can then be found at "your_source_directory/OUT/target/product/device/recovery.img" and the temporary fakeflash zip in the utilities folder at the same location.

If everything works out well, you will have a working recovery.

Once you have working builds, notify "koush", on Github and he can build official releases and add ROM Manager support!


------------------------------------------------------------------------------------------------------------------------------------------------------------------------



Some tips :
  • If you want to compile CWM 6, sync the jellybean branch using the command :
    Code:
    repo init -u git://github.com/CyanogenMod/android.git -b jellybean
    
    repo sync


  • If you want to compile CWM 6 on a 32 bit system, you need to sync THIS source too. Instructions are given in the readme.

  • Run "make clobber" between builds if you change the BoardConfig.mk, or the change will not get picked up.


Credits :
Koush for this guide.
Last edited by Shaaan; 2nd September 2012 at 02:54 PM.
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2nd September 2012, 03:17 PM |#2  
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Nice.
Will come in handy
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3rd September 2012, 10:29 AM |#3  
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Excellent guide!
Thanks!
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7th September 2012, 04:53 AM |#4  
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I will try on my Motorola PRO+, wish me luck
10th September 2012, 03:19 PM |#5  
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any ideeas how i can make the recovery font smaller? i read somewhere that i have to edit ui.c file, but what syntax? thanks
10th September 2012, 10:39 PM |#6  
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thank you for this
i will try to compile this
i tried before using koush online builder but the cwm has bugs.
11th September 2012, 12:03 AM |#7  
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Okay, I'm problly stupid, but.

repo init -u git://github.com/CyanogenMod/android.git -b jellybean

seems to work fine, but

repo sync does this:

Code:
fatal: '../CyanogenMod/android_abi_cpp.git' does not appear to be a git repository
fatal: The remote end hung up unexpectedly
error: Cannot fetch CyanogenMod/android_abi_cpp
What did I screw up, or not have prepared correctly?

I have built AOSP and currently build kernels on this box, so I know git and all that is setup correctly.

D

.
Last edited by dsb9938; 11th September 2012 at 12:28 AM.
11th September 2012, 12:33 AM |#8  
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edited
11th September 2012, 03:05 AM |#9  
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Got it. Needed an updated repo script.

D

.
11th September 2012, 06:07 AM |#10  
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what's this ?

Quote:
Originally Posted by shaaan

Hey guys, i present to you a new updated version of CyanogenMod Recovery a.k.a CWM 6.0.1.3. The current version that we use is 5.0.2.6

Edit : As you guys know, i bricked my ace while trying to get CWM working. The bootloader is lost. So there is no way i can get it working back. This is the end of developing for me for now atleast. I will have to replace the motherboard or get a new device. Any dev wanting to take over the project, please feel free. Contact me for help and i will try my best. But if you use my sources, please give credits to me and TeamCooper.

My sources are here.

Edit : You can refer my guide on compiling a recovery here.

now afraid to do it on my own
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build cwm, compile custom recovery, cwm 6, how to compile cwm recovery, shaaan
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