error: non-const lvalue reference to type 'digest_type' (aka 'unsigned char[20]') cannot bind to a value of unrelated type 'unsigned int[5]'

[yurivict]

Build fails:

/usr/ports/graphics/pcl-pointclouds/work/pcl/visualization/src/pcl_visualizer.cpp:4595:24: error: non-const lvalue reference to type 'digest_type' (aka 'unsigned char[20]') cannot bind to a value of unrelated type 'unsigned int[5]'
 4595 |       sha1.get_digest (digest);
      |                        ^~~~~~
/usr/local/include/boost/uuid/detail/sha1.hpp:179:43: note: passing argument to parameter 'digest' here
  179 | inline void sha1::get_digest(digest_type& digest)
      |                                           ^
1 error generated.

Your Environment (please complete the following information):

• OS: FreeBSD 14.2
• Compiler: clang-18
• PCL Version 1.14.1

[larshg]

Seems similiar to #6157 - and should already be fixed in master branch.

[yurivict]

Yes, this is fixed in the master branch.
But the latest release remains broken with the latest boost version.