Re: Fwd: Help with gcc 4.2

[Andrew Haley <aph at redhat dot com>]

Diogo Barbosa wrote:
> ---------- Forwarded message ----------
> From: Diogo Barbosa <diogo@smartvox.inf.br>
> Date: 2009/7/1
> Subject: Fwd: Help with gcc 4.2
> To: gcc-help@gcc.gnu.org
> 
> 
> Hi People,
> 
> 
> I got these Warnings shown downlines and read something at
> http://gcc.gnu.org/ml/gcc-patches/2007-03/msg00702.html about the GCC
> inline problem.
> 
> I am using Ubuntu 8.04 LTS and i am having problems with compilation
> of a package (http://downloads.digivoice.com.br/pub/dgvchannel/stable/dgvchannel-1.0.3.tar.gz)
> Please look at the log:
> 
> root@ipbx-indiana:/usr/src/dgvchannel-1.0.3# make
> ./create_config.sh "/usr/src/asterisk/include"
> 4103
> Checking Asterisk version at /usr/src/asterisk/include/asterisk... 1.4.24.1
>  * assuming Asterisk version 1.4
>  * found stringfield in ast_channel
>  * found 'indicate' with data
>  * found second extended ast_channel_alloc
>  * found clear flag HAS_TIMING_INFO in ast_channel
>  * found extended ast_channel_alloc
>  * found send_digit_end with duration
> config.h complete.
> gcc -std=gnu99 -pipe -fPIC -Wall -Wmissing-prototypes
> -Wmissing-declarations  -I/usr/src/asterisk/include -D_REENTRANT
> -D_GNU_SOURCE -D__LINUX__    -c -o chan_dgv.o chan_dgv.c
> In file included from chan_dgv.c:81:
> /usr/src/asterisk/include/asterisk/lock.h:1155: warning: C99 inline
> functions are not supported; using GNU89
> /usr/src/asterisk/include/asterisk/lock.h:1155: warning: to disable
> this warning use -fgnu89-inline or the gnu_inline function attribute
> /usr/src/asterisk/include/asterisk/lock.h:1201: warning: C99 inline
> functions are not supported; using GNU89
> In file included from /usr/src/asterisk/include/asterisk/utils.h:39,
>                  from chan_dgv.c:82:
> /usr/src/asterisk/include/asterisk/time.h:44: warning: C99 inline
> functions are not supported; using GNU89
> /usr/src/asterisk/include/asterisk/time.h:60: warning: C99 inline
> functions are not supported; using GNU89
> /usr/src/asterisk/include/asterisk/time.h:71: warning: C99 inline
> functions are not supported; using GNU89
> /usr/src/asterisk/include/asterisk/time.h:90: warning: C99 inline
> functions are not supported; using GNU89
> /usr/src/asterisk/include/asterisk/time.h:100: warning: C99 inline
> functions are not supported; using GNU89
> /usr/src/asterisk/include/asterisk/time.h:122: warning: C99 inline
> functions are not supported; using GNU89
> /usr/src/asterisk/include/asterisk/time.h:137: warning: C99 inline
> functions are not supported; using GNU89
> In file included from /usr/src/asterisk/include/asterisk/utils.h:40,
>                  from chan_dgv.c:82:
> /usr/src/asterisk/include/asterisk/strings.h:51: warning: C99 inline
> functions are not supported; using GNU89
> /usr/src/asterisk/include/asterisk/strings.h:66: warning: C99 inline
> functions are not supported; using GNU89
> /usr/src/asterisk/include/asterisk/strings.h:92: warning: C99 inline
> functions are not supported; using GNU89
> /usr/src/asterisk/include/asterisk/strings.h:110: warning: C99 inline
> functions are not supported; using GNU89
> /usr/src/asterisk/include/asterisk/strings.h:169: warning: C99 inline
> functions are not supported; using GNU89
> In file included from chan_dgv.c:82:
> /usr/src/asterisk/include/asterisk/utils.h:335: warning: C99 inline
> functions are not supported; using GNU89
> /usr/src/asterisk/include/asterisk/utils.h:358: warning: C99 inline
> functions are not supported; using GNU89
> /usr/src/asterisk/include/asterisk/utils.h:394: warning: C99 inline
> functions are not supported; using GNU89
> /usr/src/asterisk/include/asterisk/utils.h:421: warning: C99 inline
> functions are not supported; using GNU89
> /usr/src/asterisk/include/asterisk/utils.h:450: warning: C99 inline
> functions are not supported; using GNU89
> /usr/src/asterisk/include/asterisk/utils.h:488: warning: C99 inline
> functions are not supported; using GNU89
> chan_dgv.c: In function ‘pri_event_handle’:
> chan_dgv.c:4079: warning: cast from pointer to integer of different size
> chan_dgv.c: In function ‘dgv_new’:
> chan_dgv.c:11087: warning: cast from pointer to integer of different size
> 
> 
> root@ipbx-indiana:/usr/src/dgvchannel-1.0.3# uname -a
> Linux ipbx-indiana 2.6.24-23-server #1 SMP Wed Apr 1 22:14:30 UTC 2009
> x86_64 GNU/Linux
> 
> root@ipbx-indiana:/usr/src/dgvchannel-1.0.3# gcc --version
> gcc (GCC) 4.2.4 (Ubuntu 4.2.4-1ubuntu4)
> Copyright (C) 2007 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> 
> 
> I tried to take the -std=gnu99 and did not work as it should.
> The worst is that i have a machine with same version of Ubuntu and GCC
> that compile it properly?!?!!

What exactly is the problem?  All I see here are a few warnings.

I would look closely at the "cast from pointer to integer of different size"
warnings, since these are probably real bugs.

Andrew.