Switch nativesdk-external-script to target

This alters the vars for the cross-compiler, not the build tools, so this is
most appropriate, and is one less thing to have in TOOLCHAIN_HOST_TASK.

Signed-off-by: Christopher Larson <chris_larson@mentor.com>

conf/distro/include/tcmode-external-sourcery.inc

@@ -51,7 +51,7 @@ PREFERRED_PROVIDER_libgcc = "libgcc-external"
 PREFERRED_PROVIDER_linux-libc-headers = "linux-libc-headers-external"
 
 # Support use of an external toolchain with the SDK/ADE/etc
-TOOLCHAIN_HOST_TASK_append = " nativesdk-external-script"
+TOOLCHAIN_TARGET_TASK_append = " sdk-env-external-toolchain"
 
 # Pull in our utility functions for use elsewhere
 INHERIT += "external-common"

recipes-sdk/sdk-env-external-toolchain/sdk-env-external-toolchain.bb

@@ -4,11 +4,9 @@ LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda
 SRC_URI = "file://external.sh"
 INHIBIT_DEFAULT_DEPS = "1"
 
-inherit nativesdk
-
 do_install () {
-    install -d "${D}${SDKPATHNATIVE}/environment-setup.d"
-    install -m 0644 -o root -g root "${WORKDIR}/external.sh" "${D}${SDKPATHNATIVE}/environment-setup.d/"
+    install -d "${D}/environment-setup.d"
+    install -m 0644 -o root -g root "${WORKDIR}/external.sh" "${D}/environment-setup.d/"
 }
 
-FILES_${PN} += "${SDKPATHNATIVE}/environment-setup.d/*"
+FILES_${PN} += "/environment-setup.d/*"