Hi, does any one can tell me why ? I guess if this sub dir can only be built a libhardware.so, so if i try to build anyother so in the libhardware it reminds me error?
On 3月17日, 上午11时30分, Nio <[email protected]> wrote: > Hi Mike, > Thanks for your help. > When I do as you said,there are also errors: > build/core/shared_library.mk:20:*** hardware/libhardware/gps:Illegal > use of OVERRIDE_BUILT_MODULE_PATH. > I don't know what was happenning here. > what i have done: > 1.add to Android.mk as follow: > LOCAL_PATH := $(call my-dir) > include $(CLEAR_VARS) > ... > LOCAL_SRC_FILES += gps/gps_hardware.c > LOCAL_SRC_FILES += gps/gps_hardware.c > LOCAL_MODULE := libgps_hardware > include $(BUILD_SHARED_LIBRARY) > > 2.add to vendor/marvell/littleton/BoardConfig.mk > BOARD_GPS_LIBRARIES := libgps_hardware > > Thanks again. > Nio > > On 3月16日, 下午11时36分, Mike Lockwood <[email protected]> wrote: > > > > > Here is an example of how to build a shared library: > > >http://android.git.kernel.org/?p=platform/external/zlib.git;a=blob;f=... > > > This is the makefile for zlib, which builds both a shared library and > > an executable program. > > > Here is an example of a BoardConfig.mk file (for the Dream build in master): > > >http://android.git.kernel.org/?p=platform/vendor/htc/dream.git;a=blob... > > > Notice how it specifies which libraries to use to implement the GPS > > API. Whatever target you are building for should probably have a > > "vendor" directory of files similar to those in the vendor/htc/dream > > or vendor/asus/eee_701. > > > Mike > > > On Sun, Mar 15, 2009 at 1:45 AM, Daliang Luo <[email protected]> wrote: > > > Hi Mike, > > > > How to build a shared library on android? I am not sure as I am not > > > familiar > > > with this and it seems not the same with I build before. And is the > > > BoardConfig.mk you refer to in the directory of /libhardware/gps/? Or > > > somewhere? Thanks again. > > > > 2009/3/15 Mike Lockwood <[email protected]> > > > >> On Sat, Mar 14, 2009 at 4:32 AM, Nio <[email protected]> wrote: > > > >> > Hi all, > > > >> > Is there any possibilities to call Ril interface from Location Manager > > >> > or any other service? > > > >> > I'm trying send AT commands to start or control GPS and AGPS via Ril. > > >> > And this should be called by Location Manager service. Dose it > > >> > possible? > > > >> Hi Nio, > > > >> No, you should not modify the location manager to integrate with your > > >> GPS. Instead you should write a shared library in C named libgps.so > > >> that implements the interface defined in gps.h. > > > >> You can look at the file hardware/libhardware_legacy/gps/gps_qemu.c > > >> (the implementation for the emulator) as an example of how to do this. > > > >> Then in your BoardConfig.mk, add: > > > >> BOARD_GPS_LIBRARIES := libgps > > > >> to tell the build system to use your library rather than the stubbed > > >> out implementation of the GPS API. > > > >> Mike > > > >> -- > > >> Mike Lockwood > > >> Google android team > > > -- > > Mike Lockwood > > Google android team --~--~---------~--~----~------------~-------~--~----~ unsubscribe: [email protected] website: http://groups.google.com/group/android-porting -~----------~----~----~----~------~----~------~--~---
