diff --git a/br-ext-chip-sigmastar/configs/unknown_unknown_ssc325_openipc_defconfig b/br-ext-chip-sigmastar/configs/unknown_unknown_ssc325_openipc_defconfig
index 213da06d..c97fc77b 100644
--- a/br-ext-chip-sigmastar/configs/unknown_unknown_ssc325_openipc_defconfig
+++ b/br-ext-chip-sigmastar/configs/unknown_unknown_ssc325_openipc_defconfig
@@ -17,7 +17,7 @@ BR2_TOOLCHAIN_BUILDROOT_LIBC="uclibc"
 # BR2_TOOLCHAIN_USES_MUSL is not set
 # BR2_TOOLCHAIN_BUILDROOT_MUSL is not set
 # BR2_TOOLCHAIN_BUILDROOT_LIBC="musl"
-# BR2_TOOLCHAIN_BUILDROOT_CXX is not set
+BR2_TOOLCHAIN_BUILDROOT_CXX=y
 # BR2_TOOLCHAIN_BUILDROOT_LOCALE is not set
 BR2_TOOLCHAIN_BUILDROOT_USE_SSP=y
 
diff --git a/br-ext-chip-sigmastar/configs/unknown_unknown_ssc335_dev_defconfig b/br-ext-chip-sigmastar/configs/unknown_unknown_ssc335_dev_defconfig
index e2217fa9..bc893c09 100644
--- a/br-ext-chip-sigmastar/configs/unknown_unknown_ssc335_dev_defconfig
+++ b/br-ext-chip-sigmastar/configs/unknown_unknown_ssc335_dev_defconfig
@@ -17,6 +17,7 @@ BR2_GCC_VERSION_7_X=y
 BR2_TOOLCHAIN_USES_MUSL=y
 BR2_TOOLCHAIN_BUILDROOT_MUSL=y
 BR2_TOOLCHAIN_BUILDROOT_LIBC="musl"
+BR2_TOOLCHAIN_BUILDROOT_CXX=y
 BR2_TOOLCHAIN_BUILDROOT_LOCALE=y
 BR2_TOOLCHAIN_BUILDROOT_USE_SSP=y
 
diff --git a/br-ext-chip-sigmastar/configs/unknown_unknown_ssc335_musl_defconfig b/br-ext-chip-sigmastar/configs/unknown_unknown_ssc335_musl_defconfig
index 05c83733..e4fa374e 100644
--- a/br-ext-chip-sigmastar/configs/unknown_unknown_ssc335_musl_defconfig
+++ b/br-ext-chip-sigmastar/configs/unknown_unknown_ssc335_musl_defconfig
@@ -17,6 +17,7 @@ BR2_GCC_VERSION_7_X=y
 BR2_TOOLCHAIN_USES_MUSL=y
 BR2_TOOLCHAIN_BUILDROOT_MUSL=y
 BR2_TOOLCHAIN_BUILDROOT_LIBC="musl"
+BR2_TOOLCHAIN_BUILDROOT_CXX=y
 BR2_TOOLCHAIN_BUILDROOT_LOCALE=y
 BR2_TOOLCHAIN_BUILDROOT_USE_SSP=y
 
diff --git a/br-ext-chip-sigmastar/configs/unknown_unknown_ssc335_openipc_defconfig b/br-ext-chip-sigmastar/configs/unknown_unknown_ssc335_openipc_defconfig
index faf79233..fbaaa701 100644
--- a/br-ext-chip-sigmastar/configs/unknown_unknown_ssc335_openipc_defconfig
+++ b/br-ext-chip-sigmastar/configs/unknown_unknown_ssc335_openipc_defconfig
@@ -17,7 +17,7 @@ BR2_TOOLCHAIN_BUILDROOT_LIBC="uclibc"
 # BR2_TOOLCHAIN_USES_MUSL is not set
 # BR2_TOOLCHAIN_BUILDROOT_MUSL is not set
 # BR2_TOOLCHAIN_BUILDROOT_LIBC="musl"
-# BR2_TOOLCHAIN_BUILDROOT_CXX is not set
+BR2_TOOLCHAIN_BUILDROOT_CXX=y
 # BR2_TOOLCHAIN_BUILDROOT_LOCALE is not set
 BR2_TOOLCHAIN_BUILDROOT_USE_SSP=y
 
diff --git a/br-ext-chip-sigmastar/configs/unknown_unknown_ssc335_portal_defconfig b/br-ext-chip-sigmastar/configs/unknown_unknown_ssc335_portal_defconfig
index 16a6416e..365bc0c7 100644
--- a/br-ext-chip-sigmastar/configs/unknown_unknown_ssc335_portal_defconfig
+++ b/br-ext-chip-sigmastar/configs/unknown_unknown_ssc335_portal_defconfig
@@ -17,7 +17,7 @@ BR2_TOOLCHAIN_BUILDROOT_LIBC="uclibc"
 # BR2_TOOLCHAIN_USES_MUSL is not set
 # BR2_TOOLCHAIN_BUILDROOT_MUSL is not set
 # BR2_TOOLCHAIN_BUILDROOT_LIBC="musl"
-# BR2_TOOLCHAIN_BUILDROOT_CXX is not set
+BR2_TOOLCHAIN_BUILDROOT_CXX=y
 # BR2_TOOLCHAIN_BUILDROOT_LOCALE is not set
 BR2_TOOLCHAIN_BUILDROOT_USE_SSP=y
 
diff --git a/br-ext-chip-sigmastar/configs/unknown_unknown_ssc337_kama_defconfig b/br-ext-chip-sigmastar/configs/unknown_unknown_ssc337_kama_defconfig
index a8e4dfaa..e4c2be2e 100644
--- a/br-ext-chip-sigmastar/configs/unknown_unknown_ssc337_kama_defconfig
+++ b/br-ext-chip-sigmastar/configs/unknown_unknown_ssc337_kama_defconfig
@@ -17,7 +17,7 @@ BR2_TOOLCHAIN_BUILDROOT_LIBC="uclibc"
 # BR2_TOOLCHAIN_USES_MUSL is not set
 # BR2_TOOLCHAIN_BUILDROOT_MUSL is not set
 # BR2_TOOLCHAIN_BUILDROOT_LIBC="musl"
-# BR2_TOOLCHAIN_BUILDROOT_CXX is not set
+BR2_TOOLCHAIN_BUILDROOT_CXX=y
 # BR2_TOOLCHAIN_BUILDROOT_LOCALE is not set
 BR2_TOOLCHAIN_BUILDROOT_USE_SSP=y
 
diff --git a/br-ext-chip-sigmastar/configs/unknown_unknown_ssc337_openipc_defconfig b/br-ext-chip-sigmastar/configs/unknown_unknown_ssc337_openipc_defconfig
index 26c834fe..5fb7d4d0 100644
--- a/br-ext-chip-sigmastar/configs/unknown_unknown_ssc337_openipc_defconfig
+++ b/br-ext-chip-sigmastar/configs/unknown_unknown_ssc337_openipc_defconfig
@@ -17,7 +17,7 @@ BR2_TOOLCHAIN_BUILDROOT_LIBC="uclibc"
 # BR2_TOOLCHAIN_USES_MUSL is not set
 # BR2_TOOLCHAIN_BUILDROOT_MUSL is not set
 # BR2_TOOLCHAIN_BUILDROOT_LIBC="musl"
-# BR2_TOOLCHAIN_BUILDROOT_CXX is not set
+BR2_TOOLCHAIN_BUILDROOT_CXX=y
 # BR2_TOOLCHAIN_BUILDROOT_LOCALE is not set
 BR2_TOOLCHAIN_BUILDROOT_USE_SSP=y
 
diff --git a/br-ext-chip-xiongmai/configs/unknown_unknown_xm510_openipc_defconfig b/br-ext-chip-xiongmai/configs/unknown_unknown_xm510_openipc_defconfig
index fcb72e61..0a8f485f 100644
--- a/br-ext-chip-xiongmai/configs/unknown_unknown_xm510_openipc_defconfig
+++ b/br-ext-chip-xiongmai/configs/unknown_unknown_xm510_openipc_defconfig
@@ -15,6 +15,7 @@ BR2_GCC_VERSION_7_X=y
 BR2_TOOLCHAIN_USES_MUSL=y
 BR2_TOOLCHAIN_BUILDROOT_MUSL=y
 BR2_TOOLCHAIN_BUILDROOT_LIBC="musl"
+BR2_TOOLCHAIN_BUILDROOT_CXX=y
 BR2_TOOLCHAIN_BUILDROOT_LOCALE=y
 BR2_TOOLCHAIN_BUILDROOT_USE_SSP=y
 
diff --git a/br-ext-chip-xiongmai/configs/unknown_unknown_xm530_openipc_defconfig b/br-ext-chip-xiongmai/configs/unknown_unknown_xm530_openipc_defconfig
index f024f1c4..2a99db3f 100644
--- a/br-ext-chip-xiongmai/configs/unknown_unknown_xm530_openipc_defconfig
+++ b/br-ext-chip-xiongmai/configs/unknown_unknown_xm530_openipc_defconfig
@@ -15,6 +15,7 @@ BR2_GCC_VERSION_7_X=y
 BR2_TOOLCHAIN_USES_MUSL=y
 BR2_TOOLCHAIN_BUILDROOT_MUSL=y
 BR2_TOOLCHAIN_BUILDROOT_LIBC="musl"
+BR2_TOOLCHAIN_BUILDROOT_CXX=y
 BR2_TOOLCHAIN_BUILDROOT_LOCALE=y
 BR2_TOOLCHAIN_BUILDROOT_USE_SSP=y
 
diff --git a/docs/index.md b/docs/index.md
index 01813acb..229d0dd3 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -63,8 +63,8 @@ If you like our work, please consider supporting us on [Opencollective](https://
 | gk7205v200  |
 | hi3516ev200 |  -     |  yes   |  yes   |  yes   |  yes   |  yes   |  yes   |  yes   |  yes   |
 | nt98566     |
-| ssc325      |
+| ssc325      |  -     |  yes   |  yes   |  yes   |   ?    |  yes   |  yes   |  yes   |  yes   |
 | ssc335      |  -     |  yes   |  yes   |  yes   |   ?    |  yes   |  yes   |  yes   |  yes   |
-| ssc337      |
+| ssc337      |  -     |  yes   |  yes   |  yes   |   ?    |  yes   |  yes   |  yes   |  yes   |
 | t31         |
 | xm530       |  -     |  yes   |  yes   |