with strict C99 the tests/mpz/convert.c needs #include <strings.h>

[Vincent Lefevre]

On 2020-11-07 18:45:52 -0500, Dennis Clarke wrote:
> However the tests blow up due to :
> 
> convert.c:143:11: error: implicit declaration of function 'strcasecmp'
> is invalid in C99
> 
> So that is easy to fix.
> 
> ijiraq# diff -u ./tests/mpz/convert.c.orig ./tests/mpz/convert.c
> --- ./tests/mpz/convert.c.orig  2020-01-17 13:44:49.000000000 +0000
> +++ ./tests/mpz/convert.c       2020-11-07 22:51:36.823215000 +0000
> @@ -21,6 +21,7 @@
>  #include <stdio.h>
>  #include <stdlib.h>
>  #include <string.h> /* for strlen */
> +#include <strings.h> /* for strcasecmp */
> 
>  #include "gmp-impl.h"
>  #include "tests.h"
> ijiraq#

strcasecmp is not part of C99. It should be better to convert both
strings to uppercase (with toupper) or lowercase (with tolower),
then do a usual comparison.

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