error.log

Processing d1_mini (platform: espressif8266; board: d1_mini; framework: arduino)
--------------------------------------------------------------------------------
Verbose mode can be enabled via `-v, --verbose` option
CONFIGURATION: https://docs.platformio.org/page/boards/espressif8266/d1_mini.html
PLATFORM: Espressif 8266 (2.6.3) > WeMos D1 R2 and mini
HARDWARE: ESP8266 80MHz, 80KB RAM, 4MB Flash
PACKAGES:
 - framework-arduinoespressif8266 3.20704.0 (2.7.4)
 - tool-esptool 1.413.0 (4.13)
 - tool-esptoolpy 1.30000.201119 (3.0.0)
 - toolchain-xtensa 2.40802.200502 (4.8.2)
LDF: Library Dependency Finder -> http://bit.ly/configure-pio-ldf
LDF Modes: Finder ~ chain, Compatibility ~ soft
Found 29 compatible libraries
Scanning dependencies...
Dependency Graph
|-- <ESP8266WiFi> 1.0
Building in release mode
Compiling .pio/build/d1_mini/src/main.c.o
In file included from src/main.c:1:0:
/home/andrew/.platformio/packages/framework-arduinoespressif8266/libraries/ESP8266WiFi/src/ESP8266WiFi.h:27:8: error: expected identifier or '(' before string constant
 extern "C" {
        ^
In file included from /home/andrew/.platformio/packages/framework-arduinoespressif8266/cores/esp8266/IPAddress.h:25:0,
                 from /home/andrew/.platformio/packages/framework-arduinoespressif8266/libraries/ESP8266WiFi/src/ESP8266WiFi.h:31,
                 from src/main.c:1:
/home/andrew/.platformio/packages/framework-arduinoespressif8266/cores/esp8266/Printable.h:25:1: error: unknown type name 'class'
 class Print;
 ^
/home/andrew/.platformio/packages/framework-arduinoespressif8266/cores/esp8266/Printable.h:33:1: error: unknown type name 'class'
 class Printable {
 ^
/home/andrew/.platformio/packages/framework-arduinoespressif8266/cores/esp8266/Printable.h:33:17: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
 class Printable {
                 ^
In file included from /home/andrew/.platformio/packages/framework-arduinoespressif8266/libraries/ESP8266WiFi/src/ESP8266WiFi.h:31:0,
                 from src/main.c:1:
/home/andrew/.platformio/packages/framework-arduinoespressif8266/cores/esp8266/IPAddress.h:48:15: error: expected identifier or '(' before ':' token
 struct ip_addr: ipv4_addr { };
               ^
/home/andrew/.platformio/packages/framework-arduinoespressif8266/cores/esp8266/IPAddress.h:58:1: error: unknown type name 'class'
 class IPAddress: public Printable {
 ^
/home/andrew/.platformio/packages/framework-arduinoespressif8266/cores/esp8266/IPAddress.h:58:16: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
 class IPAddress: public Printable {
                ^
/home/andrew/.platformio/packages/framework-arduinoespressif8266/cores/esp8266/IPAddress.h:223:1: error: unknown type name 'IPAddress'
 extern CONST IPAddress INADDR_ANY;
 ^
/home/andrew/.platformio/packages/framework-arduinoespressif8266/cores/esp8266/IPAddress.h:224:1: error: unknown type name 'IPAddress'
 extern const IPAddress INADDR_NONE;
 ^
In file included from /home/andrew/.platformio/packages/framework-arduinoespressif8266/libraries/ESP8266WiFi/src/ESP8266WiFi.h:33:0,
                 from src/main.c:1:
/home/andrew/.platformio/packages/framework-arduinoespressif8266/libraries/ESP8266WiFi/src/ESP8266WiFiType.h:103:5: error: unknown type name 'WiFiMode'
     WiFiMode oldMode;
     ^
/home/andrew/.platformio/packages/framework-arduinoespressif8266/libraries/ESP8266WiFi/src/ESP8266WiFiType.h:104:5: error: unknown type name 'WiFiMode'
     WiFiMode newMode;
     ^
/home/andrew/.platformio/packages/framework-arduinoespressif8266/libraries/ESP8266WiFi/src/ESP8266WiFiType.h:109:5: error: unknown type name 'String'
     String ssid;
     ^
/home/andrew/.platformio/packages/framework-arduinoespressif8266/libraries/ESP8266WiFi/src/ESP8266WiFiType.h:116:5: error: unknown type name 'String'
     String ssid;
     ^
/home/andrew/.platformio/packages/framework-arduinoespressif8266/libraries/ESP8266WiFi/src/ESP8266WiFiType.h:118:5: error: unknown type name 'WiFiDisconnectReason'
     WiFiDisconnectReason reason;
     ^
/home/andrew/.platformio/packages/framework-arduinoespressif8266/libraries/ESP8266WiFi/src/ESP8266WiFiType.h:129:5: error: unknown type name 'IPAddress'
     IPAddress ip;
     ^
/home/andrew/.platformio/packages/framework-arduinoespressif8266/libraries/ESP8266WiFi/src/ESP8266WiFiType.h:130:5: error: unknown type name 'IPAddress'
     IPAddress mask;
     ^
/home/andrew/.platformio/packages/framework-arduinoespressif8266/libraries/ESP8266WiFi/src/ESP8266WiFiType.h:131:5: error: unknown type name 'IPAddress'
     IPAddress gw;
     ^
In file included from /home/andrew/.platformio/packages/framework-arduinoespressif8266/libraries/ESP8266WiFi/src/ESP8266WiFiSTA.h:28:0,
                 from /home/andrew/.platformio/packages/framework-arduinoespressif8266/libraries/ESP8266WiFi/src/ESP8266WiFi.h:34,
                 from src/main.c:1:
/home/andrew/.platformio/packages/framework-arduinoespressif8266/libraries/ESP8266WiFi/src/ESP8266WiFiGeneric.h:27:22: fatal error: functional: No such file or directory
 #include <functional>
                      ^
compilation terminated.
Compiling .pio/build/d1_mini/FrameworkArduino/Esp-frag.cpp.o
Compiling .pio/build/d1_mini/FrameworkArduino/Esp-version.cpp.o
*** [.pio/build/d1_mini/src/main.c.o] Error 1
Compiling .pio/build/d1_mini/FrameworkArduino/Esp.cpp.o
========================== [FAILED] Took 1.10 seconds ==========================