nginx/auto/endianess

# Copyright (C) Igor Sysoev


echo $ngx_n "checking for system endianess ...$ngx_c"
echo >> $NGX_ERR
echo "checking for system endianess" >> $NGX_ERR


cat << END > $NGX_AUTOTEST.c

int main() {
    int i = 0x11223344;
    char *p;

    p = (char *) &i;
    if (*p == 0x44) return 0;
    return 1;
}

END

eval "${CC} -o $NGX_AUTOTEST $NGX_AUTOTEST.c >> $NGX_ERR 2>&1"

if [ -x $NGX_AUTOTEST ]; then
    if $NGX_AUTOTEST 2>&1 > /dev/null; then
        echo " little endianess"
        have=HAVE_LITTLE_ENDIAN . auto/have
    else
        echo " big endianess"
    fi

    rm $NGX_AUTOTEST*

else
    rm $NGX_AUTOTEST*

    echo
    echo "$0: error: can not detect system endianess"
    exit 1
fi