diff --git a/poky/meta/classes/baremetal-image.bbclass b/poky/meta/classes/baremetal-image.bbclass
index 8708a54..9ec3f14 100644
--- a/poky/meta/classes/baremetal-image.bbclass
+++ b/poky/meta/classes/baremetal-image.bbclass
@@ -12,8 +12,8 @@
 
 # Toolchain should be baremetal or newlib based.
 # TCLIBC="baremetal" or TCLIBC="newlib"
-COMPATIBLE_HOST_libc-musl_class-target = "null"
-COMPATIBLE_HOST_libc-glibc_class-target = "null"
+COMPATIBLE_HOST:libc-musl:class-target = "null"
+COMPATIBLE_HOST:libc-glibc:class-target = "null"
 
 
 inherit rootfs-postcommands
@@ -61,7 +61,7 @@
 # Assure binaries, manifest and qemubootconf are populated on DEPLOY_DIR_IMAGE
 do_image_complete[dirs] = "${TOPDIR}"
 SSTATETASKS += "do_image_complete"
-SSTATE_SKIP_CREATION_task-image-complete = '1'
+SSTATE_SKIP_CREATION:task-image-complete = '1'
 do_image_complete[sstate-inputdirs] = "${IMGDEPLOYDIR}"
 do_image_complete[sstate-outputdirs] = "${DEPLOY_DIR_IMAGE}"
 do_image_complete[stamp-extra-info] = "${MACHINE_ARCH}"
@@ -77,18 +77,18 @@
 QB_MEM ?= "-m 256"
 QB_DEFAULT_FSTYPE ?= "bin"
 QB_DTB ?= ""
-QB_OPT_APPEND_append = " -nographic"
+QB_OPT_APPEND:append = " -nographic"
 
 # RISC-V tunes set the BIOS, unset, and instruct QEMU to
 # ignore the BIOS and boot from -kernel
-QB_DEFAULT_BIOS_qemuriscv64 = ""
-QB_OPT_APPEND_append_qemuriscv64 = " -bios none"
+QB_DEFAULT_BIOS:qemuriscv64 = ""
+QB_OPT_APPEND:append:qemuriscv64 = " -bios none"
 
 
 # Use the medium-any code model for the RISC-V 64 bit implementation,
 # since medlow can only access addresses below 0x80000000 and RAM
 # starts at 0x80000000 on RISC-V 64
-CFLAGS_append_qemuriscv64 = " -mcmodel=medany"
+CFLAGS:append:qemuriscv64 = " -mcmodel=medany"
 
 
 # This next part is necessary to trick the build system into thinking