New procedure for building Android from source

[drich]

Building android fails with the following error for me :

build/core/Makefile:34: warning: overriding recipe for target 'out/target/product/tulip-chiphd/system/lib/hw/gralloc.default.so'
build/core/base_rules.mk:550: warning: ignoring old recipe for target 'out/target/product/tulip-chiphd/system/lib/hw/gralloc.default.so'
build/core/Makefile:34: warning: overriding recipe for target 'out/target/product/tulip-chiphd/system/lib64/hw/gralloc.default.so'
build/core/base_rules.mk:550: warning: ignoring old recipe for target 'out/target/product/tulip-chiphd/system/lib64/hw/gralloc.default.so'
No private recovery resources for TARGET_DEVICE tulip-chiphd
Symlink: out/target/product/tulip-chiphd/system/bin/app_process -> app_process64
target Executable: app_process (out/target/product/tulip-chiphd/obj/EXECUTABLES/app_process_intermediates/LINKED/app_process64)
/media/drich/65510731-cacb-498b-972e-daec71ef9464/android/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9/bin/../lib/gcc/aarch64-linux-android/4.9/../../../../aarch64-linux-android/bin/ld: warning: libVE.so, needed by out/target/product/tulip-chiphd/obj/lib/libvdecoder.so, not found (try using -rpath or -rpath-link)
/media/drich/65510731-cacb-498b-972e-daec71ef9464/android/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9/bin/../lib/gcc/aarch64-linux-android/4.9/../../../../aarch64-linux-android/bin/ld: warning: libcdx_base.so, needed by out/target/product/tulip-chiphd/obj/lib/libvdecoder.so, not found (try using -rpath or -rpath-link)
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeInitialize'
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeDisableJpegDecoder'
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeWaitJpegDecodeInterrupt'
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeRelease'
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeWaitInterrupt'
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeReset'
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeGetDramType'
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeUnLock'
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeDecoderWidthMode'
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeLock'
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeChipId'
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeResetJpegDecoder'
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeGetIcVersion'
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeGetRegisterBaseAddress'
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeJpegDeUnLock'
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeJpegDeLock'
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeEnableDecoder'
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeResetDecoder'
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeDisableDecoder'
out/target/product/tulip-chiphd/obj/lib/libvdecoder.so: undefined reference to `VeSyncIdlecheck'
collect2: error: ld returned 1 exit status
build/core/executable_internal.mk:69: recipe for target 'out/target/product/tulip-chiphd/obj/EXECUTABLES/app_process_intermediates/LINKED/app_process64' failed
make: *** [out/target/product/tulip-chiphd/obj/EXECUTABLES/app_process_intermediates/LINKED/app_process64] Error 1

There is not a single trace of libVE.so nor libcdx_base.so anywhere...