[avr-gcc-list] Compile Error

[Le, Tri, D (GE Healthcare)]

I tried to modify an old software that was implemented for AT90S4433 to make it works with its replacement ATmega48. I got the following errors when compiled using AVR_GCC:

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../ATmega48_RAB.c:220: error: '__vector_11' undeclared here (not in a function)
../ATmega48_RAB.c:220: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'void'

which pointed to the interrupt function:

interrupt [INT0_vect] void INT0_interrupt(void)
{
}

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../ATmega48_RAB.c:207: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'unsigned'
../ATmega48_RAB.c:208: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'unsigned'

Which pointer to

extern flash unsigned short __checksum;
flash unsigned short zero=0;

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What do I have to change to fix this compile errors.

Thank you.
Tri