Arduino: 1.8.19 (Linux), Board: "LOLIN(WEMOS) D1 R2 & mini, 80 MHz, Flash, Disabled (new aborts on oom), Disabled, All SSL ciphers (most compatible), 32KB cache + 32KB IRAM (balanced), Use pgm_read macros for IRAM/PROGMEM, 4MB (FS:2MB OTA:~1019KB), v2 Lower Memory, Disabled, None, Only Sketch, 921600"



In file included from /home/os/.arduino15/packages/esp8266/hardware/esp8266/3.0.2/libraries/ESP8266WiFi/src/ESP8266WiFi.h:39,
                 from /home/os/Desktop/funkwetter-display/Software/Solar_v2.3_OTA_ext/Solar_v2.5_OTA_ext_LOLIN/Solar_v2.5_OTA_ext_LOLIN.ino:23:
/home/os/.arduino15/packages/esp8266/hardware/esp8266/3.0.2/libraries/ESP8266WiFi/src/WiFiClient.h:78:10: error: conflicting return type specified for 'virtual size_t WiFiClient::availableForWrite()'
   78 |   size_t availableForWrite();
      |          ^~~~~~~~~~~~~~~~~
In file included from /home/os/.arduino15/packages/esp8266/hardware/esp8266/3.0.2/cores/esp8266/Stream.h:27,
                 from /home/os/.arduino15/packages/esp8266/hardware/esp8266/3.0.2/cores/esp8266/HardwareSerial.h:32,
                 from /home/os/.arduino15/packages/esp8266/hardware/esp8266/3.0.2/cores/esp8266/Arduino.h:288,
                 from sketch/Solar_v2.5_OTA_ext_LOLIN.ino.cpp:1:
/home/os/.arduino15/packages/esp8266/hardware/esp8266/3.0.2/cores/esp8266/Print.h:80:21: note: overridden function is 'virtual int Print::availableForWrite()'
   80 |         virtual int availableForWrite() { return 0; }
      |                     ^~~~~~~~~~~~~~~~~
In file included from /home/os/.arduino15/packages/esp8266/hardware/esp8266/3.0.2/libraries/ESP8266WiFi/src/ssl_client.h:11,
                 from /home/os/.arduino15/packages/esp8266/hardware/esp8266/3.0.2/libraries/ESP8266WiFi/src/WiFiClientSecure.h:26,
                 from /home/os/.arduino15/packages/esp8266/hardware/esp8266/3.0.2/libraries/ESP8266WiFi/src/ESP8266WiFi.h:41,
                 from /home/os/Desktop/funkwetter-display/Software/Solar_v2.3_OTA_ext/Solar_v2.5_OTA_ext_LOLIN/Solar_v2.5_OTA_ext_LOLIN.ino:23:
/home/os/.arduino15/packages/esp8266/hardware/esp8266/3.0.2/libraries/ESP8266WiFi/src/mbedtls/entropy.h:133:5: error: 'mbedtls_sha256_context' does not name a type; did you mean 'mbedtls_ssl_context'?
  133 |     mbedtls_sha256_context  accumulator;
      |     ^~~~~~~~~~~~~~~~~~~~~~
      |     mbedtls_ssl_context
In file included from /home/os/.arduino15/packages/esp8266/hardware/esp8266/3.0.2/libraries/ESP8266WiFi/src/WiFiClientSecure.h:26,
                 from /home/os/.arduino15/packages/esp8266/hardware/esp8266/3.0.2/libraries/ESP8266WiFi/src/ESP8266WiFi.h:41,
                 from /home/os/Desktop/funkwetter-display/Software/Solar_v2.3_OTA_ext/Solar_v2.5_OTA_ext_LOLIN/Solar_v2.5_OTA_ext_LOLIN.ino:23:
/home/os/.arduino15/packages/esp8266/hardware/esp8266/3.0.2/libraries/ESP8266WiFi/src/ssl_client.h:23:5: error: 'mbedtls_x509_crt' does not name a type
   23 |     mbedtls_x509_crt ca_cert;
      |     ^~~~~~~~~~~~~~~~
/home/os/.arduino15/packages/esp8266/hardware/esp8266/3.0.2/libraries/ESP8266WiFi/src/ssl_client.h:24:5: error: 'mbedtls_x509_crt' does not name a type
   24 |     mbedtls_x509_crt client_cert;
      |     ^~~~~~~~~~~~~~~~
In file included from /home/os/.arduino15/packages/esp8266/hardware/esp8266/3.0.2/libraries/ESP8266WiFi/src/ESP8266WiFi.h:41,
                 from /home/os/Desktop/funkwetter-display/Software/Solar_v2.3_OTA_ext/Solar_v2.5_OTA_ext_LOLIN/Solar_v2.5_OTA_ext_LOLIN.ino:23:
/home/os/.arduino15/packages/esp8266/hardware/esp8266/3.0.2/libraries/ESP8266WiFi/src/WiFiClientSecure.h:80:11: error: 'mbedtls_x509_crt' does not name a type
   80 |     const mbedtls_x509_crt* getPeerCertificate() { return mbedtls_ssl_get_peer_cert(&sslclient->ssl_ctx); };
      |           ^~~~~~~~~~~~~~~~
exit status 1
Error compiling for board LOLIN(WEMOS) D1 R2 & mini.


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