[yocto] Cross compilation sysroot doesn't include libusb

[Srinivasan, Usha]

I will start with the caveat: this is my first time trying to cross compile for a target running a yocto bitbaked image. So I am surely not doing the right thing.

I have generated both a core-image-sato & core-image-sato-dev.  I am developing an application to run on my target machine.  My application uses libraries that in turn need libusb.so which doesn't exist in under the sysroot setup for cross compilation.  I have these in my local.conf and I do see

EXTRA_IMAGE_FEATURES ?= "debug-tweaks tools-testapps tools-sdk dev-pkgs"
CORE_IMAGE_EXTRA_INSTALL += "openssh glib-2.0 glibc glib-networking libusb-compat"

I do see that libusb-compat was generated:
./corei7-64-poky-linux/libusb-compat/1_0.1.5-r0/deploy-rpms/corei7_64/libusb-0.1-4-0.1.5-r0.corei7_64.rpm
./corei7-64-poky-linux/libusb-compat/1_0.1.5-r0/deploy-rpms/corei7_64/libusb-0.1-src-0.1.5-r0.corei7_64.rpm
./corei7-64-poky-linux/libusb-compat/1_0.1.5-r0/deploy-rpms/corei7_64/libusb-0.1-dev-0.1.5-r0.corei7_64.rpm
./corei7-64-poky-linux/libusb-compat/1_0.1.5-r0/deploy-rpms/corei7_64/libusb-0.1-dbg-0.1.5-r0.corei7_64.rpm

I tried bitbake meta-ide-support and used tmp/environment-setup-corei7-64-poky-linux to setup my build environment, but there is no libusb.so in the sysroot lib directory.

I tried bitbake meta-toolchain and installed the tool chain and used its  /opt/poky/2.7/environment-setup-corei7-64-poky-linux, but again the opt/poky/2.7 sysroot directory  also does not include libusb.so.

What step am I missing?

Thanks in advance,
Usha

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