(Bug): error: use of undeclared identifier 'random_shuffle'

[Martinfx]

Make sure to follow our issue report guidelines

• I'm using the latest version of Natron (not required but recommended)
• I've restarted Natron and the issue persists
• I've run Natron via the command line and the issue persists
• I've followed the contributing guidelines to the best of my understanding
• My issue is not on the issue tracker or in a pull request already (go search for it and dig around a little bit!)
• This bug is reproducible

Natron version

RB-2.6

Operating system

FreeBSD 14.2

System specs

No response

Did you install Natron using the official installer?

• Yes, I used the official installer
• No, I installed from a binary archive
• No, I compiled Natron from sources
• No, I installed Natron via another method

Custom installation path

No response

What were you trying to do?

I am working on patch

What did you expect to happen? What happened instead?

      |                                                 ^
In file included from /home/maxfx/Documents/Natron/libs/ceres/internal/ceres/generated/schur_eliminator_d_d_d.cc:44:
/home/maxfx/Documents/Natron/libs/ceres/internal/ceres/schur_eliminator_impl.h:153:5: error: use of undeclared identifier 'random_shuffle'
  153 |     random_shuffle(chunks_.begin(), chunks_.end());
      |     ^
/home/maxfx/Documents/Natron/libs/ceres/internal/ceres/generated/schur_eliminat

Step-by-step reproduction instructions

1. git clone RB-2.6
2. git submodule init
3. git submodule update --recursive --force --remote

Additional details

FreeBSD clang version 18.1.6 (https://github.com/llvm/llvm-project.git llvmorg-18.1.6-0-g1118c2e05e67)
Target: x86_64-unknown-freebsd14.2
Thread model: posix
InstalledDir: /usr/bin

No response

[devernay]

Deprecated in C++17

Solution 1: compile using C++14

Solution 2: fix the old ceres version, https://stackoverflow.com/a/45014073

Solution 3: upgrade ceres (which in turn is a dependency of OpenMVG and libmv, which would probably have to be upgraded too...)