diff --git a/buildroot b/buildroot
index 5d7cc8c..222837a 160000
--- a/buildroot
+++ b/buildroot
@@ -1 +1 @@
-Subproject commit 5d7cc8cb980ace084b8025522f05e83eb367c706
+Subproject commit 222837a45396964a1bd5a5d730509907dcdcf377
diff --git a/openpower/configs/barreleye_defconfig b/openpower/configs/barreleye_defconfig
index d420965..705a749 100644
--- a/openpower/configs/barreleye_defconfig
+++ b/openpower/configs/barreleye_defconfig
@@ -1,5 +1,6 @@
 BR2_powerpc64le=y
 BR2_powerpc_power8=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_19=y
 BR2_BINUTILS_EXTRA_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
 BR2_GCC_VERSION_6_X=y
 BR2_EXTRA_GCC_CONFIG_OPTIONS="--enable-targets=powerpc64-linux --disable-libsanitizer"
diff --git a/openpower/configs/firenze_defconfig b/openpower/configs/firenze_defconfig
index bd32b24..e9925ff 100644
--- a/openpower/configs/firenze_defconfig
+++ b/openpower/configs/firenze_defconfig
@@ -1,5 +1,6 @@
 BR2_powerpc64le=y
 BR2_powerpc_power8=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_19=y
 BR2_BINUTILS_EXTRA_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
 BR2_EXTRA_GCC_CONFIG_OPTIONS="--enable-targets=powerpc64-linux --disable-libsanitizer"
 BR2_TARGET_GENERIC_HOSTNAME="skiroot"
diff --git a/openpower/configs/firestone_defconfig b/openpower/configs/firestone_defconfig
index f0a5815..4f02199 100644
--- a/openpower/configs/firestone_defconfig
+++ b/openpower/configs/firestone_defconfig
@@ -1,5 +1,6 @@
 BR2_powerpc64le=y
 BR2_powerpc_power8=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_19=y
 BR2_BINUTILS_EXTRA_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
 BR2_GCC_VERSION_6_X=y
 BR2_EXTRA_GCC_CONFIG_OPTIONS="--enable-targets=powerpc64-linux --disable-libsanitizer"
diff --git a/openpower/configs/garrison_defconfig b/openpower/configs/garrison_defconfig
index b7cdf86..dd0f6a8 100644
--- a/openpower/configs/garrison_defconfig
+++ b/openpower/configs/garrison_defconfig
@@ -1,5 +1,6 @@
 BR2_powerpc64le=y
 BR2_powerpc_power8=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_19=y
 BR2_BINUTILS_EXTRA_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
 BR2_GCC_VERSION_6_X=y
 BR2_EXTRA_GCC_CONFIG_OPTIONS="--enable-targets=powerpc64-linux --disable-libsanitizer"
diff --git a/openpower/configs/habanero_defconfig b/openpower/configs/habanero_defconfig
index 356703c..a91d595 100644
--- a/openpower/configs/habanero_defconfig
+++ b/openpower/configs/habanero_defconfig
@@ -1,5 +1,6 @@
 BR2_powerpc64le=y
 BR2_powerpc_power8=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_19=y
 BR2_BINUTILS_EXTRA_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
 BR2_GCC_VERSION_6_X=y
 BR2_EXTRA_GCC_CONFIG_OPTIONS="--enable-targets=powerpc64-linux --disable-libsanitizer"
diff --git a/openpower/configs/openpower_mambo_defconfig b/openpower/configs/openpower_mambo_defconfig
index c618849..f375860 100644
--- a/openpower/configs/openpower_mambo_defconfig
+++ b/openpower/configs/openpower_mambo_defconfig
@@ -1,5 +1,6 @@
 BR2_powerpc64le=y
 BR2_powerpc_power8=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_19=y
 BR2_BINUTILS_EXTRA_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
 BR2_EXTRA_GCC_CONFIG_OPTIONS="--enable-targets=powerpc64-linux --disable-libsanitizer"
 BR2_TARGET_GENERIC_HOSTNAME="skiroot"
diff --git a/openpower/configs/p9dsu_defconfig b/openpower/configs/p9dsu_defconfig
index 853f2d2..46bf91e 100644
--- a/openpower/configs/p9dsu_defconfig
+++ b/openpower/configs/p9dsu_defconfig
@@ -1,5 +1,6 @@
 BR2_powerpc64le=y
 BR2_powerpc_power8=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_19=y
 BR2_BINUTILS_EXTRA_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
 BR2_GCC_VERSION_6_X=y
 BR2_EXTRA_GCC_CONFIG_OPTIONS="--enable-targets=powerpc64-linux --disable-libsanitizer"
diff --git a/openpower/configs/palmetto_defconfig b/openpower/configs/palmetto_defconfig
index f4a06a0..b63aa10 100644
--- a/openpower/configs/palmetto_defconfig
+++ b/openpower/configs/palmetto_defconfig
@@ -1,5 +1,6 @@
 BR2_powerpc64le=y
 BR2_powerpc_power8=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_19=y
 BR2_BINUTILS_EXTRA_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
 BR2_GCC_VERSION_6_X=y
 BR2_EXTRA_GCC_CONFIG_OPTIONS="--enable-targets=powerpc64-linux --disable-libsanitizer"
diff --git a/openpower/configs/pseries_defconfig b/openpower/configs/pseries_defconfig
index e18d14a..cfd3084 100644
--- a/openpower/configs/pseries_defconfig
+++ b/openpower/configs/pseries_defconfig
@@ -1,5 +1,6 @@
 BR2_powerpc64le=y
 BR2_powerpc_power8=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_19=y
 BR2_BINUTILS_EXTRA_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
 BR2_GCC_VERSION_6_X=y
 BR2_EXTRA_GCC_CONFIG_OPTIONS="--enable-targets=powerpc64-linux --disable-libsanitizer"
diff --git a/openpower/configs/romulus_defconfig b/openpower/configs/romulus_defconfig
index 4fc2a45..0ab9818 100644
--- a/openpower/configs/romulus_defconfig
+++ b/openpower/configs/romulus_defconfig
@@ -1,5 +1,6 @@
 BR2_powerpc64le=y
 BR2_powerpc_power8=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_19=y
 BR2_BINUTILS_EXTRA_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
 BR2_GCC_VERSION_6_X=y
 BR2_EXTRA_GCC_CONFIG_OPTIONS="--enable-targets=powerpc64-linux --disable-libsanitizer"
diff --git a/openpower/configs/vesnin_defconfig b/openpower/configs/vesnin_defconfig
index 545f5ec..7af5998 100644
--- a/openpower/configs/vesnin_defconfig
+++ b/openpower/configs/vesnin_defconfig
@@ -1,6 +1,7 @@
 BR2_powerpc64le=y
 BR2_powerpc_power8=y
 BR2_GLOBAL_PATCH_DIR="$(BR2_EXTERNAL_OP_BUILD_PATH)/patches/vesnin-patches"
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_19=y
 BR2_BINUTILS_EXTRA_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
 BR2_GCC_VERSION_6_X=y
 BR2_EXTRA_GCC_CONFIG_OPTIONS="--enable-targets=powerpc64-linux --disable-libsanitizer"
diff --git a/openpower/configs/witherspoon_defconfig b/openpower/configs/witherspoon_defconfig
index 3a2aba3..35990c4 100644
--- a/openpower/configs/witherspoon_defconfig
+++ b/openpower/configs/witherspoon_defconfig
@@ -1,5 +1,6 @@
 BR2_powerpc64le=y
 BR2_powerpc_power8=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_19=y
 BR2_BINUTILS_EXTRA_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
 BR2_GCC_VERSION_6_X=y
 BR2_EXTRA_GCC_CONFIG_OPTIONS="--enable-targets=powerpc64-linux --disable-libsanitizer"
diff --git a/openpower/configs/witherspoon_dev_defconfig b/openpower/configs/witherspoon_dev_defconfig
index 5861f89..cda370f 100644
--- a/openpower/configs/witherspoon_dev_defconfig
+++ b/openpower/configs/witherspoon_dev_defconfig
@@ -1,5 +1,6 @@
 BR2_powerpc64le=y
 BR2_powerpc_power8=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_19=y
 BR2_BINUTILS_EXTRA_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
 BR2_GCC_VERSION_6_X=y
 BR2_EXTRA_GCC_CONFIG_OPTIONS="--enable-targets=powerpc64-linux --disable-libsanitizer"
diff --git a/openpower/configs/zaius_defconfig b/openpower/configs/zaius_defconfig
index 31b9bc8..5cf65b8 100644
--- a/openpower/configs/zaius_defconfig
+++ b/openpower/configs/zaius_defconfig
@@ -1,5 +1,6 @@
 BR2_powerpc64le=y
 BR2_powerpc_power8=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_19=y
 BR2_BINUTILS_EXTRA_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
 BR2_GCC_VERSION_6_X=y
 BR2_EXTRA_GCC_CONFIG_OPTIONS="--enable-targets=powerpc64-linux --disable-libsanitizer"
diff --git a/openpower/configs/zz_defconfig b/openpower/configs/zz_defconfig
index b6717d3..833ddd3 100644
--- a/openpower/configs/zz_defconfig
+++ b/openpower/configs/zz_defconfig
@@ -1,5 +1,6 @@
 BR2_powerpc64le=y
 BR2_powerpc_power8=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_19=y
 BR2_BINUTILS_EXTRA_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
 BR2_EXTRA_GCC_CONFIG_OPTIONS="--enable-targets=powerpc64-linux --disable-libsanitizer"
 BR2_TARGET_GENERIC_HOSTNAME="skiroot"