compile warnings

[Novus4K]

What problems could these warnings cause in the future?

/home/ardumower/Sunray/sunray/src/ntrip/ntripclient.cpp: In member function ‘bool NTRIPClient::reqRaw(char*, int, char*)’:
/home/ardumower/Sunray/sunray/src/ntrip/ntripclient.cpp:161:36: warning: ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings]
  161 |     return reqRaw(host,port,mntpnt,"","");
      |                                    ^~
/home/ardumower/Sunray/sunray/src/ntrip/ntripclient.cpp:161:39: warning: ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings]
  161 |     return reqRaw(host,port,mntpnt,"","");
      |                                       ^~


/home/ardumower/Sunray/sunray/udpserial.cpp:18: warning: "CONSOLE" redefined
   18 |   #define CONSOLE Serial
      |
In file included from /home/ardumower/Sunray/sunray/udpserial.cpp:7:
/home/ardumower/Sunray/sunray/config.h:436: note: this is the location of the previous definition
  436 |   #define CONSOLE Console
      |
[ 93%] Building C object CMakeFiles/sunray.dir/home/ardumower/Sunray/sunray/src/icm/util/ICM_20948_C.c.o
/home/ardumower/Sunray/sunray/src/icm/util/ICM_20948_C.c: In function ‘inv_icm20948_firmware_load’:
/home/ardumower/Sunray/sunray/src/icm/util/ICM_20948_C.c:1411:9: warning: implicit declaration of function ‘memcmp’ [-Wimplicit-function-declaration]
 1411 |     if (memcmp(data_cmp, data, write_size)) // Compare the data
      |         ^~~~~~
/home/ardumower/Sunray/sunray/src/icm/util/ICM_20948_C.c:22:1: note: include ‘<string.h>’ or provide a declaration of ‘memcmp’
   21 | #include "icm20948_img.dmp3a.h"
  +++ |+#include <string.h>
   22 | };
/home/ardumower/Sunray/sunray/src/icm/util/ICM_20948_C.c:1411:32: warning: ‘memcmp’ argument 3 type is ‘int’ where ‘long unsigned int’ is expected in a call to built-in function declared without prototype [-Wbuiltin-declaration-mismatch]
 1411 |     if (memcmp(data_cmp, data, write_size)) // Compare the data
      |                                ^~~~~~~~~~
<built-in>: note: built-in ‘memcmp’ declared here
[ 94%] Building C object CMakeFiles/sunray.dir/home/ardumower/Sunray/sunray/src/mpu/arduino_mpu9250_clk.c.o
[ 95%] Building C object CMakeFiles/sunray.dir/home/ardumower/Sunray/sunray/src/mpu/inv_mpu.c.o
/home/ardumower/Sunray/sunray/src/mpu/inv_mpu.c: In function ‘mpu_reg_dump’:
/home/ardumower/Sunray/sunray/src/mpu/inv_mpu.c:48:19: warning: implicit declaration of function ‘_MLPrintLog’ [-Wimplicit-function-declaration]
   48 | #define log_i     _MLPrintLog
      |                   ^~~~~~~~~~~
/home/ardumower/Sunray/sunray/src/mpu/inv_mpu.c:613:9: note: in expansion of macro ‘log_i’
  613 |         log_i("%#5x: %#5x\r\n", ii, data);
      |         ^~~~~