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-rw-r--r--meta/classes/image-prelink.bbclass38
1 files changed, 38 insertions, 0 deletions
diff --git a/meta/classes/image-prelink.bbclass b/meta/classes/image-prelink.bbclass
new file mode 100644
index 000000000..faf18142e
--- /dev/null
+++ b/meta/classes/image-prelink.bbclass
@@ -0,0 +1,38 @@
+do_rootfs[depends] += "prelink-native:do_populate_sysroot"
+
+IMAGE_PREPROCESS_COMMAND += "prelink_image; "
+
+prelink_image () {
+# export PSEUDO_DEBUG=4
+# /bin/env | /bin/grep PSEUDO
+# echo "LD_LIBRARY_PATH=$LD_LIBRARY_PATH"
+# echo "LD_PRELOAD=$LD_PRELOAD"
+
+ pre_prelink_size=`du -ks ${IMAGE_ROOTFS} | awk '{size = $1 ; print size }'`
+ echo "Size before prelinking $pre_prelink_size."
+
+ # We need a prelink conf on the filesystem, add one if it's missing
+ if [ ! -e ${IMAGE_ROOTFS}/etc/prelink.conf ]; then
+ cp ${STAGING_DIR_NATIVE}/etc/prelink.conf \
+ ${IMAGE_ROOTFS}/etc/prelink.conf
+ dummy_prelink_conf=true;
+ else
+ dummy_prelink_conf=false;
+ fi
+
+ # prelink!
+ ${STAGING_DIR_NATIVE}/usr/sbin/prelink --root ${IMAGE_ROOTFS} -amR
+
+ # Remove the prelink.conf if we had to add it.
+ if [ $dummy_prelink_conf ]; then
+ rm -f ${IMAGE_ROOTFS}/etc/prelink.conf
+ fi
+
+ # Cleanup temporary file, it's not needed...
+ rm -f ${IMAGE_ROOTFS}/etc/prelink.cache
+
+ pre_prelink_size=`du -ks ${IMAGE_ROOTFS} | awk '{size = $1 ; print size }'`
+ echo "Size after prelinking $pre_prelink_size."
+}
+
+EXPORT_FUNCTIONS prelink_image