STAGING_DIR_HOST

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STAGING_DIR_HOST is the default location of the build products in the host file system. The files are staged in specific folders so that when they are installed on a target the appropriate directory structure is created.
STAGING_DIR_TARGET is used to configure the location on the target where the files might be expected.

• state.bbclass: staging_host = d.getVar('STAGING_DIR_HOST', True)

By default the staging location is defined in staging.bbclass and is modified as necessary:

• staging.bbclass: do_populate_sysroot[sstate-outputdirs] = "${STAGING_DIR_HOST}/"
• native.bbclass: do_populate_sysroot[sstate-outputdirs] = "${STAGING_DIR_NATIVE}/"
• libgcc-initial: do_populate_sysroot[sstate-outputdirs] = "${STAGING_DIR_TCBOOTSTRAP}/"
• glibc-initial: do_populate_sysroot[sstate-outputdirs] = "${STAGING_DIR_TCBOOTSTRAP}/"
• gcc-cross-initial: do_populate_sysroot[sstate-outputdirs] = "${STAGING_DIR_HOST}/ ${STAGING_DIR_TCBOOTSTRAP}/${target_base_libdir}/"

To complicate things the value of STAGING_DIR_HOST and the other variables may also be changed:

• bitbake.conf: STAGING_DIR_HOST = "${STAGING_DIR}/${MACHINE}"
• native.bbclass: STAGING_DIR_HOST = ""
• cross.bbclass: STAGING_DIR_HOST = "${STAGING_DIR}/${HOST_ARCH}${HOST_VENDOR}-${HOST_OS}"
• multilib.conf: STAGING_DIR_HOST = "${STAGING_DIR}/${MLPREFIX}${MACHINE}"
• nativesdk.bbclass: STAGING_DIR_HOST = "${STAGING_DIR}/${MULTIMACH_HOST_SYS}"
• cross-canadian.bbclass: STAGING_DIR_HOST = "${STAGING_DIR}/${HOST_ARCH}-${SDKPKGSUFFIX}${HOST_VENDOR}-${HOST_OS}"