On 2025-01-21 10:33:34 +0000, Rudi Heitbaum wrote: > Add prototype to configure test function as c23 removes unprototyped > functions. > > gcc-15 switched to -std=c23 by default: > > > https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=55e3bd376b2214e200fa76d12b67ff259b06c212 > > As a result `configure` fails with: > conftest.c: In function 'f': > conftest.c:12:48: error: too many arguments to function 'g'; expected 0, > have 6 > 12 | > for(i=0;i<1;i++){if(e(got,got,9,d[i].n)==0)h();g(i,d[i].src,d[i].n,got,d[i].want,9);if(d[i].n)h();}} > | ^ ~ > conftest.c:7:6: note: declared here > 7 | void g(){} > | ^
Note that this was already reported. > Link: https://gmplib.org/list-archives/gmp-bugs/2024-November/005550.html > Signed-off-by: Rudi Heitbaum <r...@heitbaum.com> > --- > acinclude.m4 | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/acinclude.m4 b/acinclude.m4 > index fddb5fb07a..2d41de6328 100644 > --- a/acinclude.m4 > +++ b/acinclude.m4 > @@ -609,7 +609,7 @@ GMP_PROG_CC_WORKS_PART([$1], [long long reliability test > 1], > > #if defined (__GNUC__) && ! defined (__cplusplus) > typedef unsigned long long t1;typedef t1*t2; > -void g(){} > +void g(...){} Please don't. The (...) form is dirty and new, and not supported by all compilers, e.g. even GCC 12: tst2.c:1:8: error: ISO C requires a named argument before ‘...’ 1 | void g(...){} | ^~~ The only good solution is to provide the prototype so that type checking can be done. -- Vincent Lefèvre <vinc...@vinc17.net> - Web: <https://www.vinc17.net/> 100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/> Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon) _______________________________________________ gmp-devel mailing list gmp-devel@gmplib.org https://gmplib.org/mailman/listinfo/gmp-devel
