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sys/cdefs.h or maybe gcc build issue


The below sample code will give a warning that visibility isn't
supported in this configuration.  Either the GCC build is incorrect or
the sys/cdefs.h needs to be modified to define __hidden to empty.

/********************************************/
#include <sys/cdefs.h>
#include <stdio.h>

__hidden void hello (char * str) {
	printf("%s %s\n", "Hello", str);
}

int main (int argc, char ** argv) {
	hello("cruel world!");
}
/********************************************/

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