Yocto 2.4

Move OpenBMC to Yocto 2.4(rocko)

Tested: Built and verified Witherspoon and Palmetto images
Change-Id: I12057b18610d6fb0e6903c60213690301e9b0c67
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/import-layers/meta-openembedded/meta-initramfs/classes/klibc.bbclass b/import-layers/meta-openembedded/meta-initramfs/classes/klibc.bbclass
index f864104..b7b72b7 100644
--- a/import-layers/meta-openembedded/meta-initramfs/classes/klibc.bbclass
+++ b/import-layers/meta-openembedded/meta-initramfs/classes/klibc.bbclass
@@ -3,13 +3,14 @@
 
 # Default for klcc is to build static binaries.
 # Set CC = "${TARGET_PREFIX}klcc -shared" to build the dynamic version.
+CC_forcevariable = "${TARGET_PREFIX}klcc ${TOOLCHAIN_OPTIONS}"
+CC_forcevariable_armv4_linux-gnueabi = "${TARGET_PREFIX}klcc ${TOOLCHAIN_OPTIONS} -march=armv4 -mthumb-interwork"
+CC_append_armv7ve = " ${@' -mfloat-abi=${TUNE_CCARGS_MFLOAT}' if (d.getVar('TUNE_CCARGS_MFLOAT') != '') else ''}"
+CC_append_armv7a = " ${@' -mfloat-abi=${TUNE_CCARGS_MFLOAT}' if (d.getVar('TUNE_CCARGS_MFLOAT') != '') else ''}"
 
-export CC = "${TARGET_PREFIX}klcc ${TOOLCHAIN_OPTIONS}"
-export CC_armv4_linux-gnueabi = "${TARGET_PREFIX}klcc ${TOOLCHAIN_OPTIONS} -march=armv4 -mthumb-interwork"
-
-export CPP = "${CC} -E"
+CPP_forcevariable = "${CC} -E"
 
 # klcc uses own optimizations by default. See klcc(1) man file.
-export CFLAGS=""
-export CPPFLAGS=""
-export LDFLAGS=""
+export CFLAGS="${TUNE_CCARGS}"
+export CPPFLAGS="${TUNE_CCARGS}"
+export LDFLAGS="${TUNE_CCARGS}"