How to add android header files in 'out/soong/ndk/sysroot/usr/include' directory

[Jay Jeon]

Hi,

I was trying to use the header files in './out/soong/ndk/sysroot/usr/include' directory by building some libraries, but I didn't find some android header files.

I want to add the android header files in './out/soong/ndk/sysroot/usr/include' directory.

: fatal error: 'hardware/thermal.h' file not found

: fatal error: 'hardware/sensors.h' file not found

: fatal error: 'system/graphics.h' file not found

Please let me know how can I add the android header files in that directory at build time.

[Dan Willemsen]

out/soong/ndk/sysroot/usr/include is an internal implementation detail of the build system, and only contains headers from the NDK. The headers you've listed are not part of the NDK, and require you to be built within the Android build system with Android.bp (or .mk). Then you can use the libhardware_headers header library to access them.

- Dan

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