lexical_cast/detail/buffer_view.hpp compile error using MacOS Sequoia clang 16

[stefanottili]

The OpenROAD project relies on lemon-graph, which seems to have an issue with clang 16 on MacOS Sequoia.
The-OpenROAD-Project/lemon-graph#1

git clone https://github.com/The-OpenROAD-Project/lemon-graph.git
cd lemon-graph
mkdir build
cd build 
cmake ..
make

...
In file included from /Users/user/lemon-graph/lemon/soplex.cc:22:
In file included from /opt/homebrew/include/soplex.h:35:
In file included from /opt/homebrew/include/soplex/spxdefines.h:63:
In file included from /opt/homebrew/include/boost/multiprecision/number.hpp:11:
In file included from /opt/homebrew/include/boost/multiprecision/detail/precision.hpp:9:
In file included from /opt/homebrew/include/boost/multiprecision/traits/is_variable_precision.hpp:9:
In file included from /opt/homebrew/include/boost/multiprecision/detail/number_base.hpp:29:
In file included from /opt/homebrew/include/boost/lexical_cast.hpp:30:
/opt/homebrew/include/boost/lexical_cast/detail/buffer_view.hpp:27:34: error: expected '(' for function-style cast or type construction
   27 |         return buffer_view<CharT>{begin, end};
      |                ~~~~~~~~~~~~~~~~~~^
/opt/homebrew/include/boost/lexical_cast/detail/buffer_view.hpp:31:33: error: expected '(' for function-style cast or type construction
   31 |         return buffer_view<char>{
      |                ~~~~~~~~~~~~~~~~~^
/opt/homebrew/include/boost/lexical_cast/detail/buffer_view.hpp:38:33: error: expected '(' for function-style cast or type construction
   38 |         return buffer_view<char>{
      |                ~~~~~~~~~~~~~~~~~^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
91 warnings and 20 errors generated.
make[2]: *** [lemon/CMakeFiles/lemon.dir/soplex.cc.o] Error 1
make[1]: *** [lemon/CMakeFiles/lemon.dir/all] Error 2

[stefanottili]

Matt Liberty knew that lemon-graph can/should be built without soplex
'cmake -DLEMON_ENABLE_SOPLEX=FALSE -B build .'