diff --git a/sources.cmake b/sources.cmake
index 3823186..8179d28 100644
--- a/sources.cmake
+++ b/sources.cmake
@@ -424,4 +424,26 @@
   crypto/test/file_test_gtest.cc
   crypto/test/test_util.cc
   crypto/test/wycheproof_util.cc
-)
\ No newline at end of file
+)
+
+set(
+  BSSL_SOURCES
+
+  tool/args.cc
+  tool/ciphers.cc
+  tool/client.cc
+  tool/const.cc
+  tool/digest.cc
+  tool/fd.cc
+  tool/file.cc
+  tool/generate_ech.cc
+  tool/generate_ed25519.cc
+  tool/genrsa.cc
+  tool/pkcs12.cc
+  tool/rand.cc
+  tool/server.cc
+  tool/sign.cc
+  tool/speed.cc
+  tool/tool.cc
+  tool/transport_common.cc
+)