Merge "Adds dependency on build_external_projects."
diff --git a/cc/subtle/CMakeLists.txt b/cc/subtle/CMakeLists.txt
index 304e03e..8d9cf70 100644
--- a/cc/subtle/CMakeLists.txt
+++ b/cc/subtle/CMakeLists.txt
@@ -11,3 +11,4 @@
 target_link_libraries(tink_subtle_enums_test
                       tink_subtle_common_enums
                       gtest gtest_main)
+add_dependencies(tink_subtle_enums_test build_external_projects)
diff --git a/cc/util/CMakeLists.txt b/cc/util/CMakeLists.txt
index 864e9bc..7dee07e 100644
--- a/cc/util/CMakeLists.txt
+++ b/cc/util/CMakeLists.txt
@@ -24,9 +24,11 @@
 target_link_libraries(tink_util_enums_test
                       tink_util_enums
                       gtest gtest_main)
+add_dependencies(tink_util_enums_test build_external_projects)
 
 add_executable(tink_util_errors_test
                errors_test.cc)
 target_link_libraries(tink_util_errors_test
                       tink_util_errors
                       gtest gtest_main)
+add_dependencies(tink_util_errors_test build_external_projects)