Re: Query of type of memcpy (and sys_errlist) on Cygwin

[Tatsuro MATSUOKA <tmacchant2@yahoo.co.jp>]

> From: Tatsuro MATSUOKA 
> To: Marco Atzeri ; cygwin Hans-Bernhard Bröker 
           > Cc: 
> Date: 2016/4/11, Mon 08:20
> Subject: Re: Query of type of memcpy (and sys_errlist) on Cygwin
> 
>>  From: Tatsuro MATSUOKA 
>>  To: Marco Atzeri  cygwin
>>  Date: 2016/4/11, Mon 07:52
>>  Subject: Re: Query of type of memcpy (and sys_errlist) on Cygwin
>> 
>>>   cygwin/newlib headers are under re-shuffle to simplify the guarding 
>>>   clauses in the main headers.
>>>   It is possible that gnuplot is misleaded and don't correctly 
> detect 
>>>   memcopy as it should.
>>> 
>>>   Have you tried to use latest test release ?
>>>   https://www.cygwin.com/ml/cygwin-announce/2016-04/msg00012.html
>>> 
>> 
>>  OK I will try and report results here.
> The results are almost the same as those at the stable release.
> The zipped config.log is placed here:
> http://www.geocities.jp/tmacchant2/config.log.20160411.zip
> The previous reply to Hans I made a mistake to extract the memcpy related part.
> I apologize for that.
> configure:9591: result: no
> configure:9591: checking for memcpy
> configure:9591: gcc -o conftest.exe -g -O2  -I/usr/local/include  
> -L/usr/local/lib -lcerf conftest.c  >&5
> conftest.c:86:6: warning: conflicting types for built-in function 
> 'memcpy'
>  char memcpy ();
> 
> Seeing configure output screen: one can see that:
> checking for atexit... no
> checking for memcpy... no
> checking for memmove... no
> checking for memset... no
> checking for on_exit... no
> checking for bcopy... no
> checking for bzero... no
> checking for setvbuf... no
> checking for strerror... no
> checking for strchr... no
> checking for strrchr... no
> checking for strstr... no
> checking for index... no
> checking for rindex... no
> checking for erf... no
> checking for erfc... no
> checking for gamma... no
> checking for lgamma... no
> checking for getcwd... no
> checking for poll... no
> checking for pclose... no
> checking for popen... no
> checking for fdopen... no
> checking for select... no
> checking for sleep... no
> checking for stpcpy... no
> checking for strcspn... no
> checking for strdup... no
> checking for strndup... no
> checking for strnlen... no
> checking for strcasecmp... no
> checking for stricmp... no
> checking for strncasecmp... no
> checking for strnicmp... no
> checking for sysinfo... no
> checking for tcgetattr... no
> checking for vfprintf... no
> checking for doprnt... no
> checking for uname... no
> checking for usleep... no
> checking for snprintf... no
>   WARNING: Could not find a working version of snprintf.
>            If a user provides gnuplot with an improper format statement
>            then a buffer overflow and/or segfault can result.
>            Please consider providing snprintf via an external library.
> The above is very strange. Checks of many fucntions are no.
> Tatsuro

I have come back to the gcc 5.3.0-3 to 4.9.3-1.
However, the results are the same.
Tatsuro

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