Re: compile with clang-12 errors

Kai Torben Ohlhus <[email protected]> Sat, 20 Mar 2021 00:31:58 +0900
Newsgroups gmane.comp.gnu.octave.maintainers
Message-ID <[email protected]>
On 3/19/21 11:32 AM, Dmitri A. Sergatskov wrote:
> Trying to compile octave with clang-12. It wants size_t to be std:size_t:
> 
> <<<<
> libtool: compile:  clang++ -DHAVE_CONFIG_H -I. -I.. -DOCTAVE_DLL 
> -DEXTERNAL_DLL -Iliboctave -I../liboctave -I../liboctave/array 
> -Iliboctave/numeric -I../liboctave/numeric -Iliboctave/operators 
> -I../liboctave/operators -I../liboctave/system -I../liboctave/util 
> -I../liboctave/wrappers -fPIC -pthread -fopenmp -Wall -W -Wshadow 
> -Woverloaded-virtual -Wold-style-cast -Wformat -Wpointer-arith 
> -Wwrite-strings -Wcast-align -Wcast-qual -fvisibility=hidden -g -O2 -MT 
> liboctave/util/libutil_la-action-container.lo -MD -MP -MF 
> liboctave/util/.deps/libutil_la-action-container.Tpo -c 
> ../liboctave/util/action-container.cc  -fPIC -DPIC -o 
> liboctave/util/.libs/libutil_la-action-container.o
> In file included from ../liboctave/util/action-container.cc:30:
> ../liboctave/util/action-container.h:199:26: error: unknown type name 
> 'size_t'; did you mean 'std::size_t'?
>      OCTAVE_API void run (size_t num);
>                           ^~~~~~
>                           std::size_t
> /usr/lib/gcc/x86_64-redhat-linux/11/../../../../include/c++/11/x86_64-redhat-linux/bits/c++config.h:2427:26: 
> note: 'std::size_t' declared here
>    typedef __SIZE_TYPE__         size_t;
>                                  ^
> In file included from ../liboctave/util/action-container.cc:30:
> ../liboctave/util/action-container.h:205:19: error: unknown type name 
> 'size_t'; did you mean 'std::size_t'?
>      void discard (size_t num)
>                    ^~~~~~
>                    std::size_t
> /usr/lib/gcc/x86_64-redhat-linux/11/../../../../include/c++/11/x86_64-redhat-linux/bits/c++config.h:2427:26: 
> note: 'std::size_t' declared here
>    typedef __SIZE_TYPE__         size_t;
>                                  ^
> In file included from ../liboctave/util/action-container.cc:30:
> ../liboctave/util/action-container.h:216:13: error: unknown type name 
> 'size_t'; did you mean 'std::size_t'?
>      virtual size_t size (void) const = 0;
>              ^~~~~~
>              std::size_t
> /usr/lib/gcc/x86_64-redhat-linux/11/../../../../include/c++/11/x86_64-redhat-linux/bits/c++config.h:2427:26: 
> note: 'std::size_t' declared here
>    typedef __SIZE_TYPE__         size_t;
>                                  ^
> In file included from ../liboctave/util/action-container.cc:30:
> ../liboctave/util/action-container.h:210:12: error: unknown type name 
> 'size_t'; did you mean 'std::size_t'?
>        for (size_t i = 0; i < num; i++)
>             ^~~~~~
>             std::size_t
> /usr/lib/gcc/x86_64-redhat-linux/11/../../../../include/c++/11/x86_64-redhat-linux/bits/c++config.h:2427:26: 
> note: 'std::size_t' declared here
>    typedef __SIZE_TYPE__         size_t;
>                                  ^
> 4 errors generated.
> 
>  >>>>


Can you file a bug report about it?  This info might get lost in the 
mailing-list.

Kai