Re: [PATCH] readline: guard sigprocmask call on platforms that have it

[Chet Ramey]

On 2/6/21 10:30 AM, Sergei Trofimovich wrote:
> Noticed the build problem on i686-w64-mingw32 target as:
>
> ```
> i686-w64-mingw32-gcc -c  -DHAVE_CONFIG_H -DCROSS_COMPILING  -I. -I.  
> -DRL_LIBRARY_VERSION='"8.1"' -DBRACKETED_PASTE_DEFAULT=1 -g -O2 
> -Wno-parentheses -Wno-format-security signals.c
> signals.c: In function '_rl_handle_signal':
> signals.c:270:2: warning: implicit declaration of function 'sigprocmask' 
> [-Wimplicit-function-declaration]
>    270 |  sigprocmask (SIG_BLOCK, &set, &oset);
>        |  ^~~~~~~~~~~
> signals.c:270:15: error: 'SIG_BLOCK' undeclared (first use in this function); 
> did you mean 'SIG_ACK'?
>    270 |  sigprocmask (SIG_BLOCK, &set, &oset);
>        |               ^~~~~~~~~
>        |               SIG_ACK
> signals.c:270:15: note: each undec
> ```
>
> The change guards sigprocmask() the same way SIG_UNBLOCK
> is guarded a few lines below.

Thanks for the report.

Chet

--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/