My code will compile for the 'nana every' but fails for the 'MKR wifi 1010 '

Projects Programming
1

I have a simple sketch that compiles for the 'nana every' but fails to compile for the 'MKR wifi 1010' with the compile errors like the following

error: cannot declare member function 'static void Assert_::assertTrue(const char *msg, bool result)' to have static linkage [-fpermissive]

My code has a header and a c++ file

The header contains something like

#ifndef ASSERT_H
#define ASSERT_H
class Assert_ {
public:
  static void assertTrue(const char *msg, bool result);
};
#enif

the cpp file contains something like

#include "Arduino.h"
#include "assert.h"
....
static void Assert_::assertTrue(const char *msg, bool result) {
.....
}

and of course the main sketch has stuff like

#include "Arduino.h"
#include "assert.h"

void setup() {
  Assert_::assertTrue( "passes", true);

Why does it compile for one device and not for the other?

I am using IDE 2.3.2 and running Ubuntu 22
I have include my complete source code

assert.h (201 Bytes)

[assert.cpp|attachment](upload://gLQxkJ4OMvBbgDSESwjqvzNubq9.cpp) (666 Bytes)
[assert_test.ino|attachment](upload://km2V2Z6c2HkX2k4NEUpuV8HwgZY.ino) (237 Bytes)
2

don't use the static keyword in .cpp

3

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