diff --git a/meta-openembedded/meta-initramfs/recipes-devtools/klibc/files/klcc-cross-accept-clang-options.patch b/meta-openembedded/meta-initramfs/recipes-devtools/klibc/files/klcc-cross-accept-clang-options.patch
index 07703aa..3b7031e 100644
--- a/meta-openembedded/meta-initramfs/recipes-devtools/klibc/files/klcc-cross-accept-clang-options.patch
+++ b/meta-openembedded/meta-initramfs/recipes-devtools/klibc/files/klcc-cross-accept-clang-options.patch
@@ -3,17 +3,18 @@
 Upstream-Status: Pending
 Signed-off-by: Khem Raj <raj.khem@gmail.com>
 
-Index: git/klcc/klcc.in
-===================================================================
---- git.orig/klcc/klcc.in
-+++ git/klcc/klcc.in
-@@ -207,6 +207,9 @@ while ( defined($a = shift(@ARGV)) ) {
+--- a/klcc/klcc.in
++++ b/klcc/klcc.in
+@@ -207,6 +207,12 @@ while ( defined($a = shift(@ARGV)) ) {
      } elsif ( $a =~ /^--([sysroot=])(.*)$/ ) {
  	# Override gcc encoded sysroot
  	push(@ccopt, $a);
 +    } elsif ( $a eq '-no-integrated-as' ) {
 +	# Allow clang options
 +	push(@ccopt, $a);
++    } elsif ( $a =~ '--unwindlib=.*' ) {
++	# Allow clang options
++	push(@ccopt, $a);
      } else {
  	die "$0: unknown option: $a\n";
      }
diff --git a/meta-openembedded/meta-initramfs/recipes-devtools/klibc/klibc.inc b/meta-openembedded/meta-initramfs/recipes-devtools/klibc/klibc.inc
index 5805448..7faf0ca 100644
--- a/meta-openembedded/meta-initramfs/recipes-devtools/klibc/klibc.inc
+++ b/meta-openembedded/meta-initramfs/recipes-devtools/klibc/klibc.inc
@@ -33,6 +33,9 @@
 
 S = "${WORKDIR}/git"
 
+OPTFLAGS = "${TUNE_CCARGS} -Os"
+OPTFLAGS_append_libc-musl_toolchain-clang = " -fno-builtin-bcmp"
+
 PARALLEL_MAKE = ""
 EXTRA_OEMAKE = "'KLIBCARCH=${KLIBC_ARCH}' \
                 'CROSS_COMPILE=${TARGET_PREFIX}' \
@@ -43,7 +46,7 @@
                 'INSTALLDIR=${libdir}/klibc' \
                 'SHLIBDIR=${libdir}' \
                 '${KLIBCTHUMB}' \
-                'KLIBCOPTFLAGS=${TUNE_CCARGS} -Os' \
+                'KLIBCOPTFLAGS=${OPTFLAGS}' \
                  V=1 \
                 "