Prelinking on x86-64 wasn't working out the box as it uses /lib and
not /lib64 for libs. Prelink was refusing to link as the dynamic loader
didn't match its idea of the right path. Passing in the --dyanmic-linker
option avoids this.

We can share code from image-mklibs so abstract that into a new class,
linuxloader.bbclass.

Signed-off-by: Richard Purdie <[email protected]>

diff --git a/meta/classes/image-mklibs.bbclass 
b/meta/classes/image-mklibs.bbclass
index c455a8e..45a66fb 100644
--- a/meta/classes/image-mklibs.bbclass
+++ b/meta/classes/image-mklibs.bbclass
@@ -2,6 +2,8 @@ do_rootfs[depends] += "mklibs-native:do_populate_sysroot"
 
 IMAGE_PREPROCESS_COMMAND += "mklibs_optimize_image; "
 
+inherit linuxloader
+
 mklibs_optimize_image_doit() {
        rm -rf ${WORKDIR}/mklibs
        mkdir -p ${WORKDIR}/mklibs/dest
@@ -15,26 +17,8 @@ mklibs_optimize_image_doit() {
                | sed "s+^\./++" \
                > ${WORKDIR}/mklibs/executables.list
 
-       case ${TARGET_ARCH} in
-               powerpc | mips | mipsel | microblaze )
-                       dynamic_loader="${base_libdir}/ld.so.1"
-                       ;;
-               powerpc64)
-                       dynamic_loader="${base_libdir}/ld64.so.1"
-                       ;;
-               x86_64)
-                       dynamic_loader="${base_libdir}/ld-linux-x86-64.so.2"
-                       ;;
-               i586 )
-                       dynamic_loader="${base_libdir}/ld-linux.so.2"
-                       ;;
-               arm )
-                       dynamic_loader="${base_libdir}/ld-linux.so.3"
-                       ;;
-               * )
-                       dynamic_loader="/unknown_dynamic_linker"
-                       ;;
-       esac
+       # Set $dynamic_loader 
+        linuxloader
 
        mklibs -v \
                --ldlib ${dynamic_loader} \
diff --git a/meta/classes/image-prelink.bbclass 
b/meta/classes/image-prelink.bbclass
index d4bb3ae..4bb090d 100644
--- a/meta/classes/image-prelink.bbclass
+++ b/meta/classes/image-prelink.bbclass
@@ -2,6 +2,8 @@ do_rootfs[depends] += "prelink-native:do_populate_sysroot"
 
 IMAGE_PREPROCESS_COMMAND += "prelink_image; "
 
+inherit linuxloader
+
 prelink_image () {
 #      export PSEUDO_DEBUG=4
 #      /bin/env | /bin/grep PSEUDO
@@ -20,8 +22,11 @@ prelink_image () {
                dummy_prelink_conf=false;
        fi
 
+       # Set $dynamic_loader
+       linuxloader
+
        # prelink!
-       ${STAGING_DIR_NATIVE}${sbindir_native}/prelink --root ${IMAGE_ROOTFS} 
-amR -N -c ${sysconfdir}/prelink.conf
+       ${STAGING_DIR_NATIVE}${sbindir_native}/prelink --root ${IMAGE_ROOTFS} 
-amR -N -c ${sysconfdir}/prelink.conf --dynamic-linker $dynamic_loader
 
        # Remove the prelink.conf if we had to add it.
        if [ "$dummy_prelink_conf" = "true" ]; then
diff --git a/meta/classes/linuxloader.bbclass b/meta/classes/linuxloader.bbclass
new file mode 100644
index 0000000..578df14
--- /dev/null
+++ b/meta/classes/linuxloader.bbclass
@@ -0,0 +1,23 @@
+
+linuxloader () {
+       case ${TARGET_ARCH} in
+               powerpc | mips | mipsel | microblaze )
+                       dynamic_loader="${base_libdir}/ld.so.1"
+                       ;;
+               powerpc64)
+                       dynamic_loader="${base_libdir}/ld64.so.1"
+                       ;;
+               x86_64)
+                       dynamic_loader="${base_libdir}/ld-linux-x86-64.so.2"
+                       ;;
+               i586 )
+                       dynamic_loader="${base_libdir}/ld-linux.so.2"
+                       ;;
+               arm )
+                       dynamic_loader="${base_libdir}/ld-linux.so.3"
+                       ;;
+               * )
+                       dynamic_loader="/unknown_dynamic_linker"
+                       ;;
+       esac
+}


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