Re: [bug-ncurses] Patch ncurses-6.1-20191214 breaks cal from util-linux-2.34

[Dr. Werner Fink]

On 2019/12/18 10:51:27 +0100, Dr. Werner Fink wrote:
> On 2019/12/18 10:08:41 +0100, Dr. Werner Fink wrote:
> > 
> > Looks like the (auto)config of util-linux can not handle ncursesw/term.h
> > 
> >  configure:21443: checking ncursesw/term.h usability
> >  configure:21443: gcc -c -O2 -Wall -D_FORTIFY_SOURCE=2 
> > -fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables 
> > -fstack-clash-protection -Werror=return-type -flto=auto -ffat-lto-objects 
> > -g -D_GNU_SOURCE  conftest.c >&5
> >  In file included from conftest.c:206:
> >  /usr/include/ncursesw/term.h: In function 'exit_terminfo':
> >  /usr/include/ncursesw/term.h:856:51: error: expected declaration 
> > specifiers before 'GCC_NORETURN'
> >    856 | extern NCURSES_EXPORT(void)    exit_terminfo(int) GCC_NORETURN;
> >        |                                                   ^~~~~~~~~~~~
> >  /usr/include/ncursesw/term.h:856:46: error: parameter name omitted
> >    856 | extern NCURSES_EXPORT(void)    exit_terminfo(int) GCC_NORETURN;
> >        |                                              ^~~
> >  conftest.c:206: error: expected '{' at end of input
> >    206 | #include <ncursesw/term.h>
> >        | 
> >  configure:21443: $? = 1
> >  configure: failed program was:
> > 
> > ... it seems that there is missed in term.h something like
> > 
> >  #ifndef GCC_NORETURN
> >  #define GCC_NORETURN /* nothing */
> >  #endif
> > 
> > indeed with this before exit_terminfo() the cal(1) does not crash anymore
> 
> There is more broken:
> 
>  abuild@noether:~/rpmbuild/BUILD/util-linux-2.34> ./cal -3sjw 1 2009          
>      
>           December 2008                   January 2009                    
> February 2009        
>     Sun Mon Tue Wed Thu Fri Sat     Sun Mon Tue Wed Thu Fri Sat     Sun Mon 
> Tue Wed Thu Fri Sat
>  49     336 337 338 339 340 341   1                   1   2   3   6  32  33  
> 34  35  36  37  38
>  50 342 343 344 345 346 347 348   2   4   5   6   7   8   9  10   7  39  40  
> 41  42  43  44  45
>  51 349 350 351 352 353 354 355   3  11  12  13  14  15  16  17   8  46  47  
> 48  49  50  51  52
>  52 356 357 358 359 360 361 362   4  18  19  20  21  22  23  24   9  53  54  
> 55  56  57  58  59
>  53 363 364 365 366               5  25  26  27  28  29  30  31               
>                  
>                                                                               
>                 
>  abuild@noether:~/rpmbuild/BUILD/util-linux-2.34> ./cal -3sjw 1 2009  > 
> /dev/null 
>  Segmentation fault (core dumped)

This is my fault ...  instead of "1" I should use "/* nothing */"
as shown ;)

-- 
  "Having a smoking section in a restaurant is like having
          a peeing section in a swimming pool." -- Edward Burr

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