[libcamera-devel] Building with "meson build --buildtype=release" fails

[Eric Curtin]

On Tue, 12 Apr 2022 at 13:39, Kieran Bingham
<kieran.bingham at ideasonboard.com> wrote:
>
> Quoting Eric Curtin via libcamera-devel (2022-04-12 13:28:14)
> > Might be because of -O3 optimisation.
> >
>
> Yikes. I thought I had a release build tested in my compiler matrix -
> but I don't. I'll add one but of course we still need to fix this too!

Just in case it's my compiler version (it's the Fedora 35 one, doesn't
occur with clang, only g++ from what I've tried):

g++ --version
g++ (GCC) 11.2.1 20220127 (Red Hat 11.2.1-9)
Copyright (C) 2021 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.



>
>
> > [82/394] g++ -Isrc/libcamera/base/libcamera-base.so.0.0.0.p
> > -Isrc/libcamera/base -I../src/libcamera/base -Iinclude -I../include
> > -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch
> > -Wnon-virtual-dtor -Wextra -Werror -std=c++17 -O3 -Wshadow -include
> > config.h -fPIC -pthread -DLIBCAMERA_BASE_PRIVATE -MD -MQ
> > src/libcamera/base/libcamera-base.so.0.0.0.p/object.cpp.o -MF
> > src/libcamera/base/libcamera-base.so.0.0.0.p/object.cpp.o.d -o
> > src/libcamera/base/libcamera-base.so.0.0.0.p/object.cpp.o -c
> > ../src/libcamera/base/object.cpp
> > FAILED: src/libcamera/base/libcamera-base.so.0.0.0.p/object.cpp.o
> > g++ -Isrc/libcamera/base/libcamera-base.so.0.0.0.p
> > -Isrc/libcamera/base -I../src/libcamera/base -Iinclude -I../include
> > -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch
> > -Wnon-virtual-dtor -Wextra -Werror -std=c++17 -O3 -Wshadow -include
> > config.h -fPIC -pthread -DLIBCAMERA_BASE_PRIVATE -MD -MQ
> > src/libcamera/base/libcamera-base.so.0.0.0.p/object.cpp.o -MF
> > src/libcamera/base/libcamera-base.so.0.0.0.p/object.cpp.o.d -o
> > src/libcamera/base/libcamera-base.so.0.0.0.p/object.cpp.o -c
> > ../src/libcamera/base/object.cpp
> > In file included from ../src/libcamera/base/object.cpp:13:
> > ../include/libcamera/base/message.h: In member function ‘void
> > libcamera::Object::notifyThreadMove()’:
> > ../include/libcamera/base/message.h:58:47: error: array subscript
> > ‘const libcamera::InvokeMessage[0]’ is partly outside array bounds of
> > ‘libcamera::Message [1]’ [-Werror=array-bounds]
> >    58 |         Semaphore *semaphore() const { return semaphore_; }
> >       |                                               ^~~~~~~~~~
> > ../src/libcamera/base/object.cpp:280:17: note: while referencing ‘msg’
> >   280 |         Message msg(Message::ThreadMoveMessage);
> >       |                 ^~~
> > cc1plus: all warnings being treated as errors
> >
> > Is mise le meas/Regards,
> >
> > Eric Curtin
> >
>