cyanogen spent a bit of time working with the latest AOSP code, and figured out all of the necessary components to build a working system for the Nexus One from source putting together a vendor overlay that can be used by any developer to build a working system for this device!

This build is currently based on AOSP 2.1_r2. I've also added most of the same things that you can find in the previous CyanogenMod versions.

This is a pure, working AOSP build which you can use without any type of Google applications. I found a link from some other project that can be used to restore the Google parts, which can be found below or elsewhere in the thread. I've still included the various hardware-specific code, which seems to be slowly being open-sourced anyway.

* Can be used with or without Google applications
* Kernel 2.6.32.8 which supports highmem (thanks to Arve Hjønnevåg and the rest @ Google for this work), tethering (thanks to Zinx and Ben Buxton for the original RNDIS backport, and Google for merging the goodies into the gadget subsystem), VPN/tun, and other modules (cifs, nfs, aufs, fuse)
* Clean shutdown/startup system
* NO APPS2SD. I've implemented a hack that will store the dalvik-cache of system apps in /cache, which saves you ~40MB on /data
* Built in USB tether
* Graphical enhancements, trippy bootanimation, #boobs, and excellent wallpapers by Prash
* ARM NEON optimizations from 0xdroid and Qualcomm
* Includes BusyBox, htop, nano, powertop, openvpn, and all engineering commandline utilities
* FLAC audio support from Kenny Root
* Phone enhancements from Cytown
* Contacts enhancements from Wysie
* Perform zipalign-on-install of applications
* DeskClock tweaks- longer autosilence and "require unlock" option
* Compcache is available via Spare Parts, but I don't recommend it
* Massive APN list
* Huge collection of ringtones and audio
* All available locales are included thanks to PsychoBoy
* Many other bugfixes and tweaks from AOSP contributors

All source code is available at the CyanogenMod GitHub

INSTRUCTIONS:
- First time flashing CM to your Nexus?
1. Unlock your device and install Amon_RA's recovery image
2. Do a Nandroid backup!
3. Update your radio if necessary
4. WIPE
5. Install the ROM
5. Optionally install the Google Addon

- Upgrading?
1. Do a Nandroid Backup!
2. Install the ROM (your Google apps will be backed up automatically)

HOW TO REPORT BUGS OR PROBLEMS?
- Was it a hard reboot? Get me the file "/proc/last_kmsg".
- Was it a soft reboot or a "boot loop"? Run "adb logcat" and get me the full output.
- Pastebin links preferred
- Please use the issue tracker whenever possible!

CyanogenMod Nexus One FAQ: http://wiki.cyanogenmod.com/index.php/Nexus_One_FAQ

Latest version: 5.0.3.1-N1 - 02/20/2010
Download: http://n0rp.chemlab.org/android/nexu...-N1-signed.zip
Mirror 1: http://cyanogen-updater.googlecode.c...-N1-signed.zip
Mirror 2: http://android.phaseburn.net/mirrors...-N1-signed.zip
MD5Sum: 124f66737305571e645220e9ff345160

Radio Image (fastboot flash radio): 20100203_2 (ERE36B)
Download: http://n0rp.chemlab.org/android/nexu...ed_PASSION.img
MD5Sum: 310d85c4998163818f7dcdef730c2a12

Google Addon: ERE36B (2)
Download: http://www.mediafire.com/file/hy2yj4...B-2-signed.zip


Interested in CM5 for the Droid? Koush has been working on it over at Alldroid. He's also been contributing lots of fixes.


CHANGELOG

---- 5.0.3.1-N1
* Slimmed down kernel by building IPv6 as a module- seems to be too large for some devices
* Fixed USB tethering

---- 5.0.3-N1
* Kernel 2.6.32.8
* New wallpapers from Prash and SatanR1. Graphical tweaks from ChainsDD
* Updated Wysie's contacts
* NEON optimizations in Skia and Pixelflinger (from 0xdroid and Qualcomm)
* Many bugfixes from AOSP, Koush, bcrook, myself, others
* Fixed backup script to properly restore Goggles
* Rebuilt the whole thing with potentially better CFLAGS
* More stuff, it's late/early

---- 5.0.2-N1
* Fixed Launcher2 FC on start
* Fixed usb-tether-over-wifi
* Disabled menu-to-unlock to match the shipping version
* Readded the wireless regulatory domain setting, not sure why this was removed by Google
* Enabled support for PPTP while tethering

---- 5.0.1-N1
* Use ERE27 in build fingerprint so protected apps work.
* Launcher fix from ChainsDD (thanks!)
* Readded VisualizationWallpapers
* Update your gapps to the ERE36B-2 version to fix NetworkLocation and VoiceSearch.

---- 5.0-N1
* Fixed wifi disable bug
* New boot animation by Prash
* Merged ERE36B changes
* Updated fonts with additional glyphs (from CM-4.2)
* Updated Phone mod from Cytown
* Various minor bugfixes
* "Stable" (no pony for you, though)

---- 5.0-N1-beta5
* Rebased with ERE27 from AOSP, includes all native MT support
* Zipalign-on-install pre-check from OpenEclair
* Updated Busybox which includes more applets
* Compcache won't break your phone anymore, I still don't recommend using it though.
* Lots of minor bugfixes
* Should be the last beta
* BUG: Disabling wifi fails, get this services.jar and push to /system/framework

---- 5.0-N1-beta4
* Highmem kernel is now the default. 2x RAM available.
* MMS bugs fixed (message size, image resizing, etc)
* Updated Wysie's Contacts to latest
* Disabled the JIT entirely. It's not even an option anymore. Too buggy and breaks the debugger.
* Built Webkit with V8. Feedback needed on this!
* Updated APN list, should fix AGPS issues
* Added option to keep screen awake while charging for the Music app (car mode)
* Other minor fixes

---- 5.0-N1-beta3
* Removed some kernel patches that caused instability
* Added Wysie's Contacts enhancements
* Fixed Superuser freeze
* Fixed installer backup script to not copy odexed apps
* Higher resolution wallpaper from Prash
* Added German locale updates from thiasB
* Added LZO support to BusyBox
* Various minor fixes