-BR2_PACKAGE_UCLIBC=y
-
-#
-# uClibc Options
-#
-BR2_UCLIBC_CONFIG="package/uclibc/uClibc-ng.config"
-BR2_UCLIBC_CONFIG_FRAGMENT_FILES=""
-# BR2_TOOLCHAIN_BUILDROOT_INET_RPC is not set
-BR2_TOOLCHAIN_BUILDROOT_WCHAR=y
-# BR2_TOOLCHAIN_BUILDROOT_LOCALE is not set
-# BR2_PTHREADS_NONE is not set
-BR2_PTHREADS_NATIVE=y
-# BR2_PTHREAD_DEBUG is not set
-# BR2_TOOLCHAIN_BUILDROOT_USE_SSP is not set
-BR2_UCLIBC_INSTALL_UTILS=y
-# BR2_UCLIBC_INSTALL_TEST_SUITE is not set
-BR2_UCLIBC_TARGET_ARCH="x86_64"
+BR2_PACKAGE_GLIBC=y
+BR2_GLIBC_VERSION_2_21=y
+# BR2_GLIBC_VERSION_2_22 is not set
+BR2_GLIBC_VERSION_STRING="2.21"