Re: [Qemacs-devel] Build breakage with gcc 5

[Charles Gordon]

Hello,

I will change the symbol, and all similarly named stuff.
Thanks for the report.

Chqrlie

> On 16 sept. 2015, at 03:50, François Revol <address@hidden> wrote:
> 
> Hi,
> It looks like defining __unused__ ourself is a really bad idea, the name
> is actually reserved for implementation anyway, and gcc and X11 headers
> use it... as alternative argument to __attribute__().
> 
> François.
> 
> $ gcc --version
> gcc (Debian 5.2.1-16) 5.2.1 20150903
> Copyright (C) 2015 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.
> 
> $ make
> make -C libqhtml all
> make[1]: Entering directory '/mnt/data/devel/qemacs/qemacs/libqhtml'
> make[1]: Nothing to be done for 'all'.
> make[1]: Leaving directory '/mnt/data/devel/qemacs/qemacs/libqhtml'
> CC -c x11.c
> In file included from /usr/include/X11/Xlib.h:47:0,
>                 from x11.c:27:
> /usr/include/X11/Xfuncproto.h:163:21: error: missing ')' after
> "__has_attribute"
> #if __has_attribute(__unused__) \
>                     ^
> In file included from x11.c:22:0:
> qe.h:68:44: error: missing binary operator before token "("
> #define __unused__           __attribute__((unused))
>                                            ^
> x11.c: In function ‘x11_handle_event’:
> x11.c:1288:9: warning: variable ‘shift’ set but not used
> [-Wunused-but-set-variable]
>     int shift, ctrl, meta, len, key;
>         ^
> x11.c: In function ‘x11_bmp_unlock’:
> x11.c:1791:9: warning: variable ‘ret’ set but not used
> [-Wunused-but-set-variable]
>     int ret;
>         ^
> Makefile:250: recipe for target '.objs/x11.o' failed
> make: *** [.objs/x11.o] Error 1
> 
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