diff --git a/.drone.yml b/.drone.yml
index 4384ec98..f0e9daad 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -114,6 +114,24 @@ steps:
     status: [success, failure]
   depends_on: [build fastnetmon]
 
+- name: fastnetmon subfolder build
+  pull: if-not-exists
+  image: immawanderer/archlinux-cdev:latest
+  volumes:
+  - name: usrcache
+    path: /usr
+  commands:
+  - export MAKEFLAGS="$MAKEFLAGS -j$(nproc)"
+  - cd src
+  - cmake -D"USE_NEW_ATOMIC_BUILTINS=ON" -D"ENABLE_AFPACKET_SUPPORT=ON" -D"ENABLE_GOBGP_SUPPORT=ON" -D"BUILD_PLUGIN_RUNNER=ON" -D"BUILD_TESTS=OFF" -DCMAKE_CXX_FLAGS="$CMAKE_CXX_FLAGS -Wall -Wextra" -S. -Bbuild
+  - cmake --build build --target all fastnetmon
+  - ldd build/fastnetmon
+  - ldd build/fastnetmon_api_client
+  - ldd build/fastnetmon_client
+  when:
+    status: [success, failure]
+  depends_on: [build fastnetmon explicit features]
+
 volumes:
 - name: usrcache
   temp: {}
@@ -219,6 +237,26 @@ steps:
     status: [success, failure]
   depends_on: [build fastnetmon]
 
+- name: fastnetmon subfolder build
+  pull: if-not-exists
+  image: fedora:34
+  volumes:
+  - name: etc
+    path: /etc
+  - name: usrcache
+    path: /usr
+  commands:
+  - export MAKEFLAGS="$MAKEFLAGS -j$(nproc)"
+  - cd src
+  - cmake -D"USE_NEW_ATOMIC_BUILTINS=ON" -D"ENABLE_AFPACKET_SUPPORT=ON" -D"ENABLE_GOBGP_SUPPORT=ON" -D"BUILD_PLUGIN_RUNNER=ON" -D"BUILD_TESTS=OFF" -DCMAKE_CXX_FLAGS="$CMAKE_CXX_FLAGS -Wall -Wextra" -S. -Bbuild
+  - cmake --build build --target all fastnetmon --clean-first
+  - ldd build/fastnetmon
+  - ldd build/fastnetmon_api_client
+  - ldd build/fastnetmon_client
+  when:
+    status: [success, failure]
+  depends_on: [build fastnetmon explicit features]
+
 volumes:
 - name: usrcache
   temp: {}
diff --git a/src/fastnetmon_tests.cpp b/src/fastnetmon_tests.cpp
index 8d7575b7..394fe2d2 100644
--- a/src/fastnetmon_tests.cpp
+++ b/src/fastnetmon_tests.cpp
@@ -1,11 +1,14 @@
 #include <gtest/gtest.h>
 #include <math.h>
 
-#include "bgp_flow_spec.h"
+/* bgp_flow_spec.{cpp,h} has been renamed to bgp_protocol.{cpp,hpp} in
+ * a7357e3ee06a5ca6f7e200e66d9d9183bba26ef0 */
+#include "bgp_protocol.hpp"
 #include "fast_library.h"
 
 #include <fstream>
 
+#include "fastnetmon_types.h"
 #include "log4cpp/Appender.hh"
 #include "log4cpp/BasicLayout.hh"
 #include "log4cpp/Category.hh"
@@ -435,7 +438,7 @@ TEST(patricia, positive_lookup_ipv6_prefix) {
 }
 
 TEST(serialize_attack_description, blank_attack) {
-    attack_details current_attack;
+    attack_details_t current_attack;
     std::string result = serialize_attack_description(current_attack);
     EXPECT_EQ(
     result,
@@ -458,7 +461,7 @@ TEST(serialize_attack_description, blank_attack) {
 }
 
 TEST(serialize_attack_description_to_json, blank_attack) {
-    attack_details current_attack;
+    attack_details_t current_attack;
     json_object* jobj = serialize_attack_description_to_json(current_attack);
 
     EXPECT_EQ(std::string(json_object_to_json_string(jobj)),
@@ -479,7 +482,7 @@ TEST(serialize_attack_description_to_json, blank_attack) {
 }
 
 TEST(serialize_network_load_to_text, blank_attck_average) {
-    map_element network_speed_meter;
+    map_element_t network_speed_meter;
 
     EXPECT_EQ(serialize_network_load_to_text(network_speed_meter, true),
               "Average network incoming traffic: 0 mbps\nAverage network outgoing traffic: 0 "
@@ -488,7 +491,7 @@ TEST(serialize_network_load_to_text, blank_attck_average) {
 }
 
 TEST(serialize_network_load_to_text, blank_attck_absolute) {
-    map_element network_speed_meter;
+    map_element_t network_speed_meter;
 
     EXPECT_EQ(serialize_network_load_to_text(network_speed_meter, false),
               "Network incoming traffic: 0 mbps\nNetwork outgoing traffic: 0 mbps\nNetwork "
@@ -496,7 +499,7 @@ TEST(serialize_network_load_to_text, blank_attck_absolute) {
 }
 
 TEST(serialize_network_load_to_json, blank_attack_average) {
-    map_element network_speed_meter;
+    map_element_t network_speed_meter;
     json_object* jobj = serialize_network_load_to_json(network_speed_meter);
 
     EXPECT_EQ(std::string(json_object_to_json_string(jobj)),