[OE-core] [PATCH] lttng-modules: build as 64-bit kernel module on e6500

[Chunrong Guo]

   *e6500 is built with 32b rootfs/64b kernel, build lttng-modules as 64bit too.
   *Fix the below build issue on e6500 core:
    | DEBUG: Executing shell function do_make_scripts
    | make: Entering directory `.../tmp/sysroots/t4240qds/usr/src/kernel'
    | CC scripts/mod/empty.o | scripts/mod/empty.c:1:0: error: -mcmodel not supported in this configuration
    | make[2]: *** [scripts/mod/empty.o] Error 1
    | make[1]: *** [scripts/mod] Error 2
    | make: *** [scripts] Error 2

Signed-off-by: Chunrong Guo <B40290 at freescale.com>
---
 meta/recipes-kernel/lttng/lttng-modules_2.3.3.bb |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/meta/recipes-kernel/lttng/lttng-modules_2.3.3.bb b/meta/recipes-kernel/lttng/lttng-modules_2.3.3.bb
index dd06546..2a48c1a 100644
--- a/meta/recipes-kernel/lttng/lttng-modules_2.3.3.bb
+++ b/meta/recipes-kernel/lttng/lttng-modules_2.3.3.bb
@@ -22,6 +22,18 @@ export KERNEL_SRC="${STAGING_KERNEL_DIR}"
 
 S = "${WORKDIR}/git"
 
+# Build as 64-bit kernel module on e6500
+python () {
+
+    promote_kernel = d.getVar('BUILD_64BIT_KERNEL')
+
+    if promote_kernel == "1":
+        d.setVar('KERNEL_CC_append', ' -m64')
+        d.setVar('KERNEL_LD_append', ' -melf64ppc')
+
+}
+
+
 do_install_append() {
 	# Delete empty directories to avoid QA failures if no modules were built
 	find ${D}/lib -depth -type d -empty -exec rmdir {} \;
-- 
1.7.5.4