On 2022-04-19 20:16:51 +0200, Niels Möller wrote:
> I've always liked gcc -Wall. I think it adheres to its design to warn
> only about things that (1) are prone to be errors, and (2) in the case
> that they aren't errors, are easy to clarify in a way that makes the
> compiler stop warning about
On Tue, 19 Apr 2022, Niels Möller wrote:
I've always liked gcc -Wall. I think it adheres to its design to warn
only about things that (1) are prone to be errors, and (2) in the case
that they aren't errors, are easy to clarify in a way that makes the
compiler stop warning about them.
That
Torbjörn Granlund writes:
> The language accepted by -Wall -Werror ain't C. Unfortunately, GMP and
> its configure snippets are written in C.
I've always liked gcc -Wall. I think it adheres to its design to warn
only about things that (1) are prone to be errors, and (2) in the case
that they
"Marco Bodrato" writes:
gmp$ ./configure CC="gcc -Wall -Werror"
[...]
configure: error: could not find a working compiler, see config.log for
details
Yes, you are right... a too fussy compiler is not considered a working
compiler by the "configure" script :-)
The language accepted
Ciao,
Il Lun, 18 Aprile 2022 9:38 am, Paul Eggert ha scritto:
> mini-gmp.c is different from gmp-impl.h, because it's intended to be
> used by lots of downstream projects which may use compilers that
> gmp-impl.h does not use. This may help to explain why it needs casts
> that gmp-impl.h doesn't
On 4/14/22 22:29, Niels Möller wrote:
1. Is the void cast really needed?
Yes, I think so. Various compilers complain if a statement 'E;' has an
expression E without side effects. The standard way to pacify them is to
cast E to void. See, for example,
Paul Eggert writes:
> Mattias Engdegård reported that the Emacs master source currently
> generates the following warning when Emacs is built with mini-gmp.c
> under Clang 13:
Probably not that compiler specific. Minimal example:
#include
void foo(void) {int x = 1; assert(x);}
No
Vincent Lefevre writes:
>> 1. Is the void cast really needed? Corresponding macros in gmp-impl.h
>> are defined like
>>
>> #if WANT_ASSERT
>> #define ASSERT_CARRY(expr) ASSERT_ALWAYS ((expr) != 0)
>> #define ASSERT_NOCARRY(expr) ASSERT_ALWAYS ((expr) == 0)
>> #else
>> #define
On 2022-04-15 07:29:34 +0200, Niels Möller wrote:
> I have two minor comments on this proposed fix:
>
> 1. Is the void cast really needed? Corresponding macros in gmp-impl.h
> are defined like
>
> #if WANT_ASSERT
> #define ASSERT_CARRY(expr) ASSERT_ALWAYS ((expr) != 0)
> #define
Paul Eggert writes:
> Mattias Engdegård reported that the Emacs master source currently
> generates the following warning when Emacs is built with mini-gmp.c
> under Clang 13:
>
>> In file included from /Users/mattias/emacs/lib/mini-gmp-gnulib.c:47:
>> /Users/mattias/emacs/lib/mini-gmp.c:1138:2:
Mattias Engdegård reported that the Emacs master source currently
generates the following warning when Emacs is built with mini-gmp.c
under Clang 13:
In file included from /Users/mattias/emacs/lib/mini-gmp-gnulib.c:47:
/Users/mattias/emacs/lib/mini-gmp.c:1138:2: warning: unused variable
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