Re: [Chicken-users] Sendfile Does Not Compile on Windows (Cygwin) with Chicken 4.0

[John Cowan]

Yasuro scripsit:

> I am trying to make the Spiffy egg work on Windows (Cygwin). Spiffy uses 
> Sendfile, but I have trouble installing the Sendfile egg (The complete 
> log at the end of this email). Here's the error message from 
> chicken-install:
> >sendfile.o:sendfile.c:(.text+0x55d7): undefined reference to `_madvise'
> Last time I tried with Chicken 3.4, I had the same problem. I could not 
> fix this problem and had to give it up. Would you help me fix this 
> issue, please?

madvise() is a system call used on Linux and BSD.  The Posix equivalent
is posix_madvise(), which is indeed implemented on Cygwin.  (Since it's
only advisory, it may or may not do anything there.)

The sendfile egg should be changed on all systems to use posix_madvise().

-- 
John Cowan    address@hidden    http://ccil.org/~cowan
Objective consideration of contemporary phenomena compel the conclusion
that optimum or inadequate performance in the trend of competitive
activities exhibits no tendency to be commensurate with innate capacity,
but that a considerable element of the unpredictable must invariably be
taken into account. --Ecclesiastes 9:11, Orwell/Brown version