diff --git a/examples/Test_platformio/platformio.ini b/examples/Test_platformio/platformio.ini
index c783ee1..78c4efe 100644
--- a/examples/Test_platformio/platformio.ini
+++ b/examples/Test_platformio/platformio.ini
@@ -27,6 +27,17 @@ board = esp32dev
 [env:esp32s3]
 platform = espressif32
 board = esp32-s3-devkitc-1
+; Reminder: if using lib_ldf_mode deep+ or chain+, either include the undetected libraries
+; from your cpp file, or add them to the lib_deps
+lib_ldf_mode = chain+
+lib_deps =
+  SD
+  FS
+  SPI
+  Update
+  LittleFS
+  ESP32-targz
+
 
 [env:pico]
 platform = https://github.com/maxgerhardt/platform-raspberrypi.git
diff --git a/examples/Test_platformio/src/main.cpp b/examples/Test_platformio/src/main.cpp
index 23644c5..fc8674f 100644
--- a/examples/Test_platformio/src/main.cpp
+++ b/examples/Test_platformio/src/main.cpp
@@ -8,6 +8,11 @@ void setup()
     Serial.println("Could not start filesystem");
     while(1) yield();
   }
+
+  TarUnpacker *TARUnpacker     = new TarUnpacker();
+  GzUnpacker *GZUnpacker       = new GzUnpacker();
+  TarGzUnpacker *TARGZUnpacker = new TarGzUnpacker();
+
 }
 
 
diff --git a/src/ESP32-targz-lib.cpp b/src/ESP32-targz-lib.cpp
index 59548f2..e4f56e2 100644
--- a/src/ESP32-targz-lib.cpp
+++ b/src/ESP32-targz-lib.cpp
@@ -1567,7 +1567,7 @@ bool GzUnpacker::gzStreamExpander( Stream *stream, size_t gz_size )
 
 
 
-#if defined HAS_OTA_SUPPORT
+#if defined ESP32 || defined ESP8266
 
   // uncompress gz file to flash (expected to be a valid gzipped firmware)
   bool GzUnpacker::gzUpdater( fs::FS &fs, const char* gz_filename, int partition, bool restart_on_update )
diff --git a/src/ESP32-targz-lib.hpp b/src/ESP32-targz-lib.hpp
index c454aaf..8247b67 100644
--- a/src/ESP32-targz-lib.hpp
+++ b/src/ESP32-targz-lib.hpp
@@ -39,11 +39,180 @@
 
 #pragma once
 
-#ifndef _ESP_TGZ_H
-  #define _ESP_TGZ_H
+#include <FS.h>
+#include "ESP32-targz-log.hpp"
+
+
+#if defined ESP32
+
+  #include <Update.h>
+  #define HAS_OTA_SUPPORT
+
+  // Figure out the chosen fs::FS library to load for the **destination** filesystem
+  #if defined DEST_FS_USES_SPIFFS
+    #include <SPIFFS.h>
+    #define tarGzFS SPIFFS
+    #define FS_NAME "SPIFFS"
+  #elif defined DEST_FS_USES_FFAT
+    #include <FFat.h>
+    #define tarGzFS FFat
+    #define FS_NAME "FFAT"
+  #elif defined DEST_FS_USES_SD
+    #include <SD.h>
+    #define tarGzFS SD
+    #define FS_NAME "SD"
+  #elif defined DEST_FS_USES_SD_MMC
+    #include <SD_MMC.h>
+    #define tarGzFS SD_MMC
+    #define FS_NAME "SD_MMC"
+  #elif defined DEST_FS_USES_LITTLEFS
+    #if ESP_ARDUINO_VERSION >= ESP_ARDUINO_VERSION_VAL(2, 0, 0)
+      // littlefs is built-in since sdk 2.0.0
+      #include <LittleFS.h>
+      #define tarGzFS LittleFS
+      #define FS_NAME "LittleFS (builtin)"
+    #else
+      // get "littlefs_esp32" from library manager
+      #include <LITTLEFS.h>
+      #define tarGzFS LITTLEFS
+      #define FS_NAME "LITTLEFS (extlib)"
+    #endif
+  #elif defined DEST_FS_USES_PSRAMFS
+    #include <PSRamFS.h> // https://github.com/tobozo/ESP32-PsRamFS
+    #define tarGzFS PSRamFS
+    #define FS_NAME "PSRamFS"
+  #else
+    // no filesystem, no helpers available, power user ?
+  #endif
+
+#elif defined ESP8266
+
+  #include <Updater.h>
+  #define HAS_OTA_SUPPORT
+
+  // ESP8266 has no SD_MMC or FFat.h library, so these are implicitely invalidated
+  #undef DEST_FS_USES_SD_MMC // unsupported
+  #undef DEST_FS_USES_FFAT   // unsupported
+  // the fuck with spamming the console
+  #pragma GCC diagnostic push
+  #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+
+  // Figure out the chosen fs::FS library to load for the **destination** filesystem
+
+  #if defined DEST_FS_USES_SD
+    #include <SD.h>
+    #define tarGzFS SDFS
+    #define FS_NAME "SDFS"
+  #else
+    #if defined DEST_FS_USES_LITTLEFS
+      #include <LittleFS.h>
+      #define tarGzFS LittleFS
+      #define FS_NAME "LITTLEFS (extlib)"
+    #elif defined DEST_FS_USES_SPIFFS
+      #if defined USE_LittleFS // emulate SPIFFS using LittleFS
+        #include <LittleFS.h>
+        #define tarGzFS SPIFFS
+        #define FS_NAME "LITTLEFS (subst)"
+      #else // use core SPIFFS
+        #define tarGzFS SPIFFS
+        #define FS_NAME "SPIFFS"
+      #endif
+    #else // no destination filesystem defined in sketch
+      #warning "Unspecified or invalid destination filesystem, please #define one of these before including the library: DEST_FS_USES_SPIFFS, DEST_FS_USES_LITTLEFS, DEST_FS_USES_SD, DEST_FS_USES_PSRAMFS"
+      // however, check for USE_LittleFS as it is commonly defined since SPIFFS deprecation
+      #if defined USE_LittleFS
+        #include <LittleFS.h>
+        #define tarGzFS LittleFS
+        #warning "Defaulting to LittleFS"
+        #define DEST_FS_USES_LITTLEFS
+        #define FS_NAME "LITTLEFS (defaulted)"
+      #else
+        #define tarGzFS SPIFFS
+        #warning "Defaulting to SPIFFS (soon deprecated)"
+        #define DEST_FS_USES_SPIFFS
+        #define FS_NAME "SPIFFS"
+      #endif
+    #endif
+  #endif
+
+  static FSInfo fsinfo;
+
+#elif defined ARDUINO_ARCH_RP2040
+
+  #pragma message "Experimental RP2040 support"
+
+  #undef DEST_FS_USES_SD_MMC // unsupported
+  #undef DEST_FS_USES_FFAT   // unsupported
+  #undef DEST_FS_USES_SPIFFS // unsupported
+
+  // Figure out the chosen fs::FS library to load for the **destination** filesystem
+  #if defined DEST_FS_USES_SD
+    #include <SD.h>
+    #define tarGzFS SDFS
+    #define FS_NAME "SD"
+  #else
+    #include <LittleFS.h>
+    #define tarGzFS LittleFS
+    #define FS_NAME "LITTLEFS (picolib)"
+  #endif
+
+  static FSInfo fsinfo;
+
+#else
+
+  #error "Only ESP32, ESP8266 and RP2040/Pico architectures are supported"
+
 #endif
 
-#include <FS.h> // platformio retarded lib_ldf_mode needs this even though <FS.h> was already included by ESP32-targz.h
+#if defined DEST_FS_USES_SPIFFS || defined DEST_FS_USES_LITTLEFS || defined DEST_FS_USES_FFAT
+  #define WARN_LIMITED_FS
+#endif
+
+#include <stddef.h> // platformio whines about missing definition for 'size_t' 🤦
+
+// required filesystem helpers are declared outside the main library
+// because ESP32/ESP8266 <FS.h> use different abstraction flavours :)
+__attribute__((unused)) static size_t targzFreeBytesFn() {
+  #if defined DEST_FS_USES_SPIFFS || defined DEST_FS_USES_SD || defined DEST_FS_USES_SD_MMC || defined DEST_FS_USES_LITTLEFS || defined DEST_FS_USES_PSRAMFS
+    #if defined ESP32
+      return tarGzFS.totalBytes() - tarGzFS.usedBytes();
+    #elif defined ESP8266 || defined ARDUINO_ARCH_RP2040
+      if( tarGzFS.info( fsinfo ) ) {
+        return fsinfo.totalBytes - fsinfo.usedBytes;
+      } else {
+        // fail
+        return 0;
+      }
+    #else
+      #error "Only ESP32, ESP8266 and RP2040/Pico are supported"
+    #endif
+  #elif defined DEST_FS_USES_FFAT
+    return tarGzFS.freeBytes();
+  #else
+    // no filesystem, no helpers available, power user ?
+    return 0;
+  #endif
+}
+
+__attribute__((unused)) static size_t targzTotalBytesFn() {
+  #if defined DEST_FS_USES_SPIFFS || defined DEST_FS_USES_SD || defined DEST_FS_USES_SD_MMC || defined DEST_FS_USES_LITTLEFS || defined DEST_FS_USES_FFAT || defined DEST_FS_USES_PSRAMFS
+    #if defined ESP32
+      return tarGzFS.totalBytes();
+    #elif defined ESP8266 || defined ARDUINO_ARCH_RP2040
+      if( tarGzFS.info( fsinfo ) ) {
+        return fsinfo.totalBytes;
+      } else {
+        // fail
+        return 0;
+      }
+    #else
+      #error "Only ESP32, ESP8266 and RP2040/Pico are supported"
+    #endif
+  #else
+    // no filesystem, no helpers available, power user ?
+    return 0;
+  #endif
+}
 
 #define GZIP_DICT_SIZE 32768
 
diff --git a/src/ESP32-targz.h b/src/ESP32-targz.h
index 866fd36..cf74dd3 100644
--- a/src/ESP32-targz.h
+++ b/src/ESP32-targz.h
@@ -1,186 +1,11 @@
 #pragma once
 
-#ifndef _TGZ_FSFOOLS_
-#define _TGZ_FSFOOLS_
-#endif
-
-#if defined ESP32
-
-  #include <Update.h>
-  #define HAS_OTA_SUPPORT
-
-  // Figure out the chosen fs::FS library to load for the **destination** filesystem
-  #if defined DEST_FS_USES_SPIFFS
-    #include <SPIFFS.h>
-    #define tarGzFS SPIFFS
-    #define FS_NAME "SPIFFS"
-  #elif defined DEST_FS_USES_FFAT
-    #include <FFat.h>
-    #define tarGzFS FFat
-    #define FS_NAME "FFAT"
-  #elif defined DEST_FS_USES_SD
-    #include <SD.h>
-    #define tarGzFS SD
-    #define FS_NAME "SD"
-  #elif defined DEST_FS_USES_SD_MMC
-    #include <SD_MMC.h>
-    #define tarGzFS SD_MMC
-    #define FS_NAME "SD_MMC"
-  #elif defined DEST_FS_USES_LITTLEFS
-    #if ESP_ARDUINO_VERSION >= ESP_ARDUINO_VERSION_VAL(2, 0, 0)
-      // littlefs is built-in since sdk 2.0.0
-      #include <LittleFS.h>
-      #define tarGzFS LittleFS
-      #define FS_NAME "LittleFS (builtin)"
-    #else
-      // get "littlefs_esp32" from library manager
-      #include <LITTLEFS.h>
-      #define tarGzFS LITTLEFS
-      #define FS_NAME "LITTLEFS (extlib)"
-    #endif
-  #elif defined DEST_FS_USES_PSRAMFS
-    #include <PSRamFS.h> // https://github.com/tobozo/ESP32-PsRamFS
-    #define tarGzFS PSRamFS
-    #define FS_NAME "PSRamFS"
-  #else
-    // no filesystem, no helpers available, power user ?
-  #endif
-
-#elif defined ESP8266
-
-  #include <Updater.h>
-  #define HAS_OTA_SUPPORT
-
-  // ESP8266 has no SD_MMC or FFat.h library, so these are implicitely invalidated
-  #undef DEST_FS_USES_SD_MMC // unsupported
-  #undef DEST_FS_USES_FFAT   // unsupported
-  // the fuck with spamming the console
-  #pragma GCC diagnostic push
-  #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-
-  // Figure out the chosen fs::FS library to load for the **destination** filesystem
-
-  #if defined DEST_FS_USES_SD
-    #include <SD.h>
-    #define tarGzFS SDFS
-    #define FS_NAME "SDFS"
-  #else
-    #if defined DEST_FS_USES_LITTLEFS
-      #include <LittleFS.h>
-      #define tarGzFS LittleFS
-      #define FS_NAME "LITTLEFS (extlib)"
-    #elif defined DEST_FS_USES_SPIFFS
-      #if defined USE_LittleFS // emulate SPIFFS using LittleFS
-        #include <LittleFS.h>
-        #define tarGzFS SPIFFS
-        #define FS_NAME "LITTLEFS (subst)"
-      #else // use core SPIFFS
-        #include <FS.h>
-        #define tarGzFS SPIFFS
-        #define FS_NAME "SPIFFS"
-      #endif
-    #else // no destination filesystem defined in sketch
-      #warning "Unspecified or invalid destination filesystem, please #define one of these before including the library: DEST_FS_USES_SPIFFS, DEST_FS_USES_LITTLEFS, DEST_FS_USES_SD, DEST_FS_USES_PSRAMFS"
-      // however, check for USE_LittleFS as it is commonly defined since SPIFFS deprecation
-      #if defined USE_LittleFS
-        #include <LittleFS.h>
-        #define tarGzFS LittleFS
-        #warning "Defaulting to LittleFS"
-        #define DEST_FS_USES_LITTLEFS
-        #define FS_NAME "LITTLEFS (defaulted)"
-      #else
-        #include <FS.h>
-        #define tarGzFS SPIFFS
-        #warning "Defaulting to SPIFFS (soon deprecated)"
-        #define DEST_FS_USES_SPIFFS
-        #define FS_NAME "SPIFFS"
-      #endif
-    #endif
-  #endif
-
-  FSInfo fsinfo;
-
+#ifdef __cplusplus
 
-#elif defined ARDUINO_ARCH_RP2040
-
-  #pragma message "Experimental RP2040 support"
-  #include "ESP32-targz-log.hpp"
-
-  #undef DEST_FS_USES_SD_MMC // unsupported
-  #undef DEST_FS_USES_FFAT   // unsupported
-  #undef DEST_FS_USES_SPIFFS // unsupported
-
-  // Figure out the chosen fs::FS library to load for the **destination** filesystem
-  #if defined DEST_FS_USES_SD
-    #include <SD.h>
-    #define tarGzFS SDFS
-    #define FS_NAME "SD"
-  #elif defined DEST_FS_USES_LITTLEFS
-    //#include <FS.h>
-    #include <LittleFS.h>
-    #define tarGzFS LittleFS
-    #define FS_NAME "LITTLEFS (picolib)"
-  #else
-    #error "Unspecified or invalid destination filesystem, please #define one of these before including the library: DEST_FS_USES_LITTLEFS, DEST_FS_USES_SD"
-  #endif
-
-  FSInfo fsinfo;
+  #include "ESP32-targz-lib.hpp"
 
 #else
 
-  #error "Only ESP32, ESP8266 and RP2040/Pico architectures are supported"
+  #error ESP32-targz requires a C++ compiler, please change file extension to .cc or .cpp
 
 #endif
-
-
-#if defined DEST_FS_USES_SPIFFS || defined DEST_FS_USES_LITTLEFS || defined DEST_FS_USES_FFAT
-  #define WARN_LIMITED_FS
-#endif
-
-#include <stddef.h> // platformio whines about missing definition for 'size_t' 🤦
-
-// required filesystem helpers are declared outside the main library
-// because ESP32/ESP8266 <FS.h> use different abstraction flavours :)
-__attribute__((unused)) static size_t targzFreeBytesFn() {
-  #if defined DEST_FS_USES_SPIFFS || defined DEST_FS_USES_SD || defined DEST_FS_USES_SD_MMC || defined DEST_FS_USES_LITTLEFS || defined DEST_FS_USES_PSRAMFS
-    #if defined ESP32
-      return tarGzFS.totalBytes() - tarGzFS.usedBytes();
-    #elif defined ESP8266 || defined ARDUINO_ARCH_RP2040
-      if( tarGzFS.info( fsinfo ) ) {
-        return fsinfo.totalBytes - fsinfo.usedBytes;
-      } else {
-        // fail
-        return 0;
-      }
-    #else
-      #error "Only ESP32, ESP8266 and RP2040/Pico are supported"
-    #endif
-  #elif defined DEST_FS_USES_FFAT
-    return tarGzFS.freeBytes();
-  #else
-    // no filesystem, no helpers available, power user ?
-    return 0;
-  #endif
-}
-
-__attribute__((unused)) static size_t targzTotalBytesFn() {
-  #if defined DEST_FS_USES_SPIFFS || defined DEST_FS_USES_SD || defined DEST_FS_USES_SD_MMC || defined DEST_FS_USES_LITTLEFS || defined DEST_FS_USES_FFAT || defined DEST_FS_USES_PSRAMFS
-    #if defined ESP32
-      return tarGzFS.totalBytes();
-    #elif defined ESP8266 || defined ARDUINO_ARCH_RP2040
-      if( tarGzFS.info( fsinfo ) ) {
-        return fsinfo.totalBytes;
-      } else {
-        // fail
-        return 0;
-      }
-    #else
-      #error "Only ESP32, ESP8266 and RP2040/Pico are supported"
-    #endif
-  #else
-    // no filesystem, no helpers available, power user ?
-    return 0;
-  #endif
-}
-
-#include "ESP32-targz-lib.hpp"