On Fri, 16 Dec 2022 11:06:37 +0100 Helmut Grohne <hel...@subdivi.de> wrote: > Package: g++-13 > Version: 13-20221214-1 > Severity: serious > > Hi Matthias, > > thanks for pushing gcc-13 into experimental already. That leaves plenty > of time to work on it. I've located a quite fundamental problem with it > already: > > $ cat test.c++ > #include <stdio.h> > $ g++-13 -c test.c++ > In file included from /usr/include/stdio.h:430, > from test.c++:1: > /usr/include/x86_64-linux-gnu/bits/floatn.h:87:9: error: multiple types in > one declaration > 87 | typedef __float128 _Float128; > | ^~~~~~~~~~ > /usr/include/x86_64-linux-gnu/bits/floatn.h:87:20: error: declaration does > not declare anything [-fpermissive] > 87 | typedef __float128 _Float128; > | ^~~~~~~~~ > In file included from /usr/include/x86_64-linux-gnu/bits/floatn.h:120: > /usr/include/x86_64-linux-gnu/bits/floatn-common.h:214:9: error: multiple > types in one declaration > 214 | typedef float _Float32; > | ^~~~~ > /usr/include/x86_64-linux-gnu/bits/floatn-common.h:214:15: error: declaration > does not declare anything [-fpermissive] > 214 | typedef float _Float32; > | ^~~~~~~~ > /usr/include/x86_64-linux-gnu/bits/floatn-common.h:251:9: error: multiple > types in one declaration > 251 | typedef double _Float64; > | ^~~~~~ > /usr/include/x86_64-linux-gnu/bits/floatn-common.h:251:16: error: declaration > does not declare anything [-fpermissive] > 251 | typedef double _Float64; > | ^~~~~~~~ > /usr/include/x86_64-linux-gnu/bits/floatn-common.h:268:9: error: multiple > types in one declaration > 268 | typedef double _Float32x; > | ^~~~~~ > /usr/include/x86_64-linux-gnu/bits/floatn-common.h:268:16: error: declaration > does not declare anything [-fpermissive] > 268 | typedef double _Float32x; > | ^~~~~~~~~ > /usr/include/x86_64-linux-gnu/bits/floatn-common.h:285:14: error: multiple > types in one declaration > 285 | typedef long double _Float64x; > | ^~~~~~ > /usr/include/x86_64-linux-gnu/bits/floatn-common.h:285:21: error: declaration > does not declare anything [-fpermissive] > 285 | typedef long double _Float64x; > | ^~~~~~~~~ > $ > > Jakub Jelinek kindly pointed out that bits/floatn.h and > bits/floatn-common.h should be fixincluded. I can see that this is > happening in a build log and that those fixed includes are not contained > in any binary package. As such, this is not considered an upstream > problem. I see that the packaging deletes include-fixed and fail to > understand why that happens at this time. Do you have a better > understanding?
I try to build a cross toolchain, it has this problem, too. So, should it be an upstream bug? I guess. Gcc git master has this problem, while branch gcc-12 doesn’t. > > Helmut > > >