Re: [release] Boost 1.85.0 Release Candidate 1 is available

From: Ruben Perez (rubenperez038_at_[hidden])
Date: 2024-04-06 17:57:00

> As always, the release managers would appreciate it if you download the
> candidate of your choice and give building it a try. Please report both
> success and failure, and anything else that is noteworthy.

Program options seem to fail to build under C++23 (Ubuntu 22.04,
clang-19, release). Here's the build log:

clang-linux.compile.c++
bin.v2/libs/program_options/build/clang-linux-19/release/cxxstd-23-iso/threading-multi/visibility-hidden/split.o
In file included from libs/program_options/src/split.cpp:10:
In file included from ./boost/program_options/parsers.hpp:12:
In file included from ./boost/program_options/detail/cmdline.hpp:11:
./boost/program_options/errors.hpp:124:34: error: exception
specification is not available until end of class definition
  124 |         BOOST_DEFAULTED_FUNCTION(~error_with_option_name() throw(), {})
      |                                  ^
./boost/program_options/errors.hpp:212:34: error: exception
specification is not available until end of class definition
  212 |         BOOST_DEFAULTED_FUNCTION(~multiple_values() throw(), {})
      |                                  ^
./boost/program_options/errors.hpp:223:34: error: exception
specification is not available until end of class definition
  223 |         BOOST_DEFAULTED_FUNCTION(~multiple_occurrences() throw(), {})
      |                                  ^
./boost/program_options/errors.hpp:236:33: error: exception
specification is not available until end of class definition
  236 |        BOOST_DEFAULTED_FUNCTION(~required_option() throw(), {})
      |                                 ^
./boost/program_options/errors.hpp:261:34: error: exception
specification is not available until end of class definition
  261 |         BOOST_DEFAULTED_FUNCTION(~error_with_no_option_name()
throw(), {})
      |                                  ^
./boost/program_options/errors.hpp:273:34: error: exception
specification is not available until end of class definition
  273 |         BOOST_DEFAULTED_FUNCTION(~unknown_option() throw(), {})
      |                                  ^
./boost/program_options/errors.hpp:286:34: error: exception
specification is not available until end of class definition
  286 |         BOOST_DEFAULTED_FUNCTION(~ambiguous_option() throw(), {})
      |                                  ^
./boost/program_options/errors.hpp:323:34: error: exception
specification is not available until end of class definition
  323 |         BOOST_DEFAULTED_FUNCTION(~invalid_syntax() throw(), {})
      |                                  ^
./boost/program_options/errors.hpp:343:34: error: exception
specification is not available until end of class definition
  343 |         BOOST_DEFAULTED_FUNCTION(~invalid_config_file_syntax()
throw(), {})
      |                                  ^
./boost/program_options/errors.hpp:358:34: error: exception
specification is not available until end of class definition
  358 |
BOOST_DEFAULTED_FUNCTION(~invalid_command_line_syntax() throw(), {})
      |                                  ^
./boost/program_options/errors.hpp:383:34: error: exception
specification is not available until end of class definition
  383 |         BOOST_DEFAULTED_FUNCTION(~validation_error() throw(), {})
      |                                  ^
11 errors generated.

    "clang++-19"   -std=c++23 -fvisibility-inlines-hidden -fPIC -m64
-pthread -O3 -Wall -fvisibility=hidden -Wno-inline
--target=x86_64-pc-linux  -DBOOST_ALL_NO_LIB=1
-DBOOST_COBALT_USE_STD_PMR=1 -DBOOST_PROGRAM_OPTIONS_DYN_LINK=1
-DNDEBUG   -I"."  -c -o
"bin.v2/libs/program_options/build/clang-linux-19/release/cxxstd-23-iso/threading-multi/visibility-hidden/split.o"
"libs/program_options/src/split.cpp"

The RC builds fine in C++20 (same compiler and system).

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