diff --git a/conf/distro/include/tcmode-external-sourcery-rebuild-libc.inc b/conf/distro/include/tcmode-external-sourcery-rebuild-libc.inc
new file mode 100644
index 0000000..b97fd30
--- /dev/null
+++ b/conf/distro/include/tcmode-external-sourcery-rebuild-libc.inc
@@ -0,0 +1,9 @@
+require conf/distro/include/tcmode-external-sourcery.inc
+
+PREFERRED_PROVIDER_virtual/libc = "eglibc-sourcery"
+PREFERRED_PROVIDER_virtual/libiconv = "eglibc-sourcery"
+PREFERRED_PROVIDER_virtual/libintl = "eglibc-sourcery"
+PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}libc-for-gcc = "eglibc-sourcery"
+PREFERRED_PROVIDER_eglibc = "eglibc-sourcery"
+CSL_SRC_URI ??= "file://${CSL_SRC_FILE}"
+CSL_SRC_FILE ??= "${@bb.fatal('Please set CSL_SRC_FILE to the path to your sourcery src tarball')}"