icecc: patchelf is needed by icecc-create-env

Although we could potentially build patchelf and all its dependencies,
they would all have to be blacklisted to avoid trying to build them with
icecc. We use the host patchelf instead.

(From OE-Core rev: 0860216a81092fba084d29696db6d0c65a226c85)

Signed-off-by: Douglas Royds <douglas.royds@taitradio.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/icecc.bbclass

@@ -38,7 +38,7 @@ BB_HASHBASE_WHITELIST += "ICECC_PARALLEL_MAKE ICECC_DISABLED ICECC_USER_PACKAGE_
 
 ICECC_ENV_EXEC ?= "${STAGING_BINDIR_NATIVE}/icecc-create-env"
 
-HOSTTOOLS_NONFATAL += "icecc"
+HOSTTOOLS_NONFATAL += "icecc patchelf"
 
 # This version can be incremented when changes are made to the environment that
 # invalidate the version on the compile nodes. Changing it will cause a new
@@ -326,6 +326,10 @@ set_icecc_env() {
         bbwarn "Cannot use icecc: icecc binary not found"
         return
     fi
+    if [ -z "$(which patchelf patchelf-uninative)" ]; then
+        bbwarn "Cannot use icecc: patchelf not found"
+        return
+    fi
 
     # Create symlinks to icecc in the recipe-sysroot directory
     mkdir -p ${ICE_PATH}