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Message-ID:	<39960613.85AE09B3@ece.gatech.edu>
Date:	Sat, 12 Aug 2000 22:21:07 -0400
From:	"Charles S. Wilson" <cwilson AT ece DOT gatech DOT edu>
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To:	"Mohammed Abdel'al" <mma AT msm DOT com DOT eg>
CC:	Paul Garceau <pgarceau AT teleport DOT com>, cygwin AT sourceware DOT cygnus DOT com
Subject:	Re: working around "more" (Was Re: what is my mistake?!!!!!)
References:	<39956D42 DOT 21166 DOT 559500 AT localhost> <010a01c004b1$c57b79a0$b3644fc2 AT msm DOT com DOT eg>

> gcc -Wall -O2   -DVERSION_NUM=1.04 -I./include -I.  -c -o ipc-daemon.o
> ipc-daemon.c
> In file included from ipc-daemon.c:44:
> /usr/lib/gcc-lib/i686-pc-cygwin/2.95.2/../../../../include/sys/strace.h:24:
> parse error before `strace'
> /usr/lib/gcc-lib/i686-pc-cygwin/2.95.2/../../../../include/sys/strace.h:25:
> syntax error before `{'
> /usr/lib/gcc-lib/i686-pc-cygwin/2.95.2/../../../../include/sys/strace.h:29:
> conflicting types for `write'
> /usr/lib/gcc-lib/i686-pc-cygwin/2.95.2/../../../../include/sys/unistd.h:76:
> previous declaration of `write'

Well, it seems that sometime since I last built cygipc, the strace stuff
got reworked to be C++ instead of C.  If you look in strace.h, you see
that it declares an "strace" class as well as various "normal"
definitions.  Trying to compile ipc-daemon.c with g++ doesn't help,
though:

$ g++ -Wall -O2 -DVERSION_NUM=1.04 -I./include -I.  -c -o ipc-daemon.o
ipc-daemon.c

In file included from include/IpcNtExt.h:51,
                 from ipc-daemon.c:40:
include/IpcNtStr.h:72: ANSI C++ forbids data member `current_nb' with
same name as enclosing class
ipc-daemon.c: In function `int main(int, char **)':
ipc-daemon.c:278: ANSI C++ forbids implicit conversion from `void *' in
assignment

I'm not too sure of the significance of the recent (?) changes to
sys/strace.h, so I don't know if the fix for this problem is a bug
there, or if ipc-daemon really should be compiled with g++, and the bug
is actually in cygipc's IpcNtExt.h.

Advice from knowledgeable people (or patches!) eagerly awaited.

--
Chuck Wilson

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