bluez
1) download source tree of anroid donut from Google.
2) build android by 
  . build/envsetup.sh
  choosecombo (all default option)
  make -j4
3) replace external/bluez, and 'export BOARD_HAVE_BLUETOOTH=true'
4) mmm external/bluez
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jpeg
1) download source tree of anroid donut from Google.
2) build android by 
  . build/envsetup.sh
  choosecombo (all default option)
  make -j4
3) replace external/jpeg
4) mmm external/jpeg
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webkit
1) download source tree of anroid donut from Google.
2) build android by 
  . build/envsetup.sh
  choosecombo (all default option)
  make -j4
3) replace external/webkit
4) mmm external/webkit
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wpa_supplicant
1) download source tree of anroid donut from Google.
2) build android by 
  . build/envsetup.sh
  choosecombo (all default option)
  make -j4
3) replace external/wpa_supplicant
4) mmm external/wpa_supplicant
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kernel
1) download source tree of anroid donut from Qualcomm.
2) repleace kernel
3) build android by 
  . build/envsetup.sh
choosecombo

Build for the simulator or the device?
     1. Device
     2. Simulator
Which would you like? [1]
Build type choices are:
     1. release
     2. debug
Which would you like? [1]
Product choices are:
     1. emulator
     2. generic
     3. sim
     4. msm7627_ffa
     5. msm7627_surf
     6. qsd8250_ffa
     7. qsd8250_surf
You can also type the name of a product if you know it.
Which product would you like? [generic] 7
Variant choices are:
     1. user
     2. userdebug
     3. eng
Which would you like? [eng]
  
4) make -j4

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