diff --git a/lib/include/srslte/common/logmap.h b/lib/include/srslte/common/logmap.h
index b86810b63..e2d74419f 100644
--- a/lib/include/srslte/common/logmap.h
+++ b/lib/include/srslte/common/logmap.h
@@ -19,17 +19,16 @@
  *
  */
 
-#include "log_filter.h"
-#include "logger_stdout.h"
-#include "singleton.h"
-#include "srslte/common/log_filter.h"
-#include "srslte/common/logger_stdout.h"
-#include <mutex>
-#include <unordered_map>
-
 #ifndef SRSLTE_LOGMAP_H
 #define SRSLTE_LOGMAP_H
 
+#include "srslte/common/log.h"
+#include "srslte/common/logger.h"
+#include "srslte/common/singleton.h"
+
+#include <mutex>
+#include <unordered_map>
+
 namespace srslte {
 
 class log_filter;
@@ -63,89 +62,34 @@ private:
 class logmap : public singleton_t<logmap>
 {
   static const size_t servicename_minimum_length = 4;
-  using it_t                                     = std::unordered_map<std::string, std::unique_ptr<log> >::iterator;
 
 public:
   // Access to log map by servicename. If servicename does not exist, create a new log_filter with default cfg
   // Access to the map is protected by a mutex
-  static log_ref get(std::string servicename)
-  {
-    logmap* pool = get_instance();
-    if (servicename.size() < servicename_minimum_length) {
-      // pad right of string with spaces
-      servicename.insert(servicename.end(), servicename_minimum_length - servicename.length(), ' ');
-    }
-    return pool->get_impl(std::move(servicename));
-  }
+  static log_ref get(std::string servicename);
 
   // register manually created log
-  static void register_log(std::unique_ptr<log> log_ptr)
-  {
-    logmap*                     pool = get_instance();
-    std::lock_guard<std::mutex> lock(pool->mutex);
-    if (log_ptr != nullptr) {
-      pool->log_map[log_ptr->get_service_name()] = std::move(log_ptr);
-    }
-  }
-
-  static std::unique_ptr<srslte::log> deregister_log(const std::string& servicename)
-  {
-    logmap*                      pool = get_instance();
-    std::unique_ptr<srslte::log> ret;
-    std::lock_guard<std::mutex>  lock(pool->mutex);
-    auto                         it = pool->log_map.find(servicename);
-    if (it != pool->log_map.end()) {
-      ret = std::move(it->second);
-      pool->log_map.erase(it);
-    }
-    return ret;
-  }
+  static void register_log(std::unique_ptr<log> log_ptr);
+
+  static std::unique_ptr<srslte::log> deregister_log(const std::string& servicename);
 
   // set default logger
-  static void set_default_logger(logger* logger_)
-  {
-    logmap*                     pool = get_instance();
-    std::lock_guard<std::mutex> lock(pool->mutex);
-    pool->default_logger = logger_;
-  }
+  static void set_default_logger(logger* logger_);
 
   // set default log level
-  static void set_default_log_level(LOG_LEVEL_ENUM l)
-  {
-    logmap*                     pool = get_instance();
-    std::lock_guard<std::mutex> lock(pool->mutex);
-    pool->default_log_level = l;
-  }
+  static void set_default_log_level(LOG_LEVEL_ENUM l);
 
   // set default hex limit
-  static void set_default_hex_limit(int hex_limit)
-  {
-    logmap*                     pool = get_instance();
-    std::lock_guard<std::mutex> lock(pool->mutex);
-    pool->default_hex_limit = hex_limit;
-  }
+  static void set_default_hex_limit(int hex_limit);
 
 protected:
-  logmap() : default_logger(&logger_stdout_val) {}
+  logmap();
 
 private:
-  log_ref get_impl(std::string servicename)
-  {
-    std::lock_guard<std::mutex> lock(mutex);
-    auto                        it = log_map.find(servicename);
-    if (it == log_map.end()) {
-      // create a new logger with default cfg
-      std::unique_ptr<log_filter> filter(new log_filter{std::move(servicename), default_logger});
-      filter->set_level(default_log_level);
-      filter->set_hex_limit(default_hex_limit);
-      auto ret = log_map.insert(std::make_pair(filter->get_service_name(), std::move(filter)));
-      return log_ref{&ret.first->second};
-    }
-    return log_ref{&it->second};
-  }
+  log_ref get_impl(std::string servicename);
 
   // consts
-  logger_stdout logger_stdout_val;
+  std::unique_ptr<logger> logger_stdout_val;
 
   // default cfg
   logger*                default_logger    = nullptr;
diff --git a/lib/include/srslte/common/singleton.h b/lib/include/srslte/common/singleton.h
index 5a3fdd2dd..464fe4b9e 100644
--- a/lib/include/srslte/common/singleton.h
+++ b/lib/include/srslte/common/singleton.h
@@ -22,6 +22,8 @@
 #ifndef SRSLTE_SINGLETON_H
 #define SRSLTE_SINGLETON_H
 
+#include <memory>
+
 // CRTP pattern to create class singletons
 template <typename T>
 class singleton_t
diff --git a/lib/src/common/CMakeLists.txt b/lib/src/common/CMakeLists.txt
index 844759229..f49cf7105 100644
--- a/lib/src/common/CMakeLists.txt
+++ b/lib/src/common/CMakeLists.txt
@@ -26,6 +26,7 @@ set(SOURCES arch_select.cc
             gen_mch_tables.c
             liblte_security.cc
             log_filter.cc
+            logmap.cc
             logger_file.cc
             mac_pcap.cc
             nas_pcap.cc
diff --git a/lib/src/common/logmap.cc b/lib/src/common/logmap.cc
new file mode 100644
index 000000000..762d6c10d
--- /dev/null
+++ b/lib/src/common/logmap.cc
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2013-2019 Software Radio Systems Limited
+ *
+ * This file is part of srsLTE.
+ *
+ * srsLTE is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * srsLTE is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * A copy of the GNU Affero General Public License can be found in
+ * the LICENSE file in the top-level directory of this distribution
+ * and at http://www.gnu.org/licenses/.
+ *
+ */
+
+#include "srslte/common/logmap.h"
+#include "srslte/common/log_filter.h"
+#include "srslte/common/logger_stdout.h"
+
+using namespace srslte;
+
+logmap::logmap() : logger_stdout_val(new logger_stdout{})
+{
+  default_logger = logger_stdout_val.get();
+}
+
+// Access to log map by servicename. If servicename does not exist, create a new log_filter with default cfg
+// Access to the map is protected by a mutex
+log_ref SRSLTE_EXPORT logmap::get(std::string servicename)
+{
+  logmap* pool = get_instance();
+  if (servicename.size() < servicename_minimum_length) {
+    // pad right of string with spaces
+    servicename.insert(servicename.end(), servicename_minimum_length - servicename.length(), ' ');
+  }
+  return pool->get_impl(std::move(servicename));
+}
+
+// register manually created log
+void SRSLTE_EXPORT logmap::register_log(std::unique_ptr<log> log_ptr)
+{
+  logmap*                     pool = get_instance();
+  std::lock_guard<std::mutex> lock(pool->mutex);
+  if (log_ptr != nullptr) {
+    pool->log_map[log_ptr->get_service_name()] = std::move(log_ptr);
+  }
+}
+
+std::unique_ptr<srslte::log> SRSLTE_EXPORT logmap::deregister_log(const std::string& servicename)
+{
+  logmap*                      pool = get_instance();
+  std::unique_ptr<srslte::log> ret;
+  std::lock_guard<std::mutex>  lock(pool->mutex);
+  auto                         it = pool->log_map.find(servicename);
+  if (it != pool->log_map.end()) {
+    ret = std::move(it->second);
+    pool->log_map.erase(it);
+  }
+  return ret;
+}
+
+// set default logger
+void SRSLTE_EXPORT logmap::set_default_logger(logger* logger_)
+{
+  logmap*                     pool = get_instance();
+  std::lock_guard<std::mutex> lock(pool->mutex);
+  pool->default_logger = logger_;
+}
+
+// set default log level
+void SRSLTE_EXPORT logmap::set_default_log_level(LOG_LEVEL_ENUM l)
+{
+  logmap*                     pool = get_instance();
+  std::lock_guard<std::mutex> lock(pool->mutex);
+  pool->default_log_level = l;
+}
+
+// set default hex limit
+void SRSLTE_EXPORT logmap::set_default_hex_limit(int hex_limit)
+{
+  logmap*                     pool = get_instance();
+  std::lock_guard<std::mutex> lock(pool->mutex);
+  pool->default_hex_limit = hex_limit;
+}
+
+log_ref logmap::get_impl(std::string servicename)
+{
+  std::lock_guard<std::mutex> lock(mutex);
+  auto                        it = log_map.find(servicename);
+  if (it == log_map.end()) {
+    // create a new logger with default cfg
+    std::unique_ptr<log_filter> filter(new log_filter{std::move(servicename), default_logger});
+    filter->set_level(default_log_level);
+    filter->set_hex_limit(default_hex_limit);
+    auto ret = log_map.insert(std::make_pair(filter->get_service_name(), std::move(filter)));
+    return log_ref{&ret.first->second};
+  }
+  return log_ref{&it->second};
+}