bitcoin system fixes

.cspell/words.txt

@@ -15,6 +15,7 @@ clsid_shelllink
 cmake_current_source_dir
 cmake_host_win32
 comdlg32
+constexpr
 cpp_httplib_hash
 cppcoreguidelines
 cppdbg

cmake/flags.cmake

@@ -48,6 +48,10 @@ list(APPEND PROJECT_CXXFLAGS_LIST
   -Wunused
 )
 
+if (PROJECT_ENABLE_LIBBITCOIN_SYSTEM AND PROJECT_IS_DARWIN)
+  list(APPEND PROJECT_CXXFLAGS_LIST -Wno-enum-constexpr-conversion)
+endif()
+
 if (NOT PROJECT_IS_DARWIN)
   list(APPEND PROJECT_CXXFLAGS_LIST 
     -Wduplicated-branches

cmake/libraries/boost.cmake

@@ -95,7 +95,7 @@ if(PROJECT_ENABLE_BOOST)
       endif()
 
       if(PROJECT_ENABLE_LIBBITCOIN_SYSTEM)
-        set(BOOST_CXX_STANDARD 20)
+        set(BOOST_CXX_STANDARD 14)
       else()
         set(BOOST_CXX_STANDARD ${CMAKE_CXX_STANDARD})
       endif()
@@ -106,12 +106,11 @@ if(PROJECT_ENABLE_BOOST)
         address-model=64
         architecture=${BOOST_ARCH}
         cxxstd-dialect=gnu
-        cxxflags=-std=gnu++${BOOST_CXX_STANDARD}
         cxxstd=${BOOST_CXX_STANDARD}
+        cxxflags=-Wno-enum-constexpr-conversion
         define=BOOST_ASIO_HAS_STD_STRING_VIEW
         define=BOOST_SYSTEM_NO_DEPRECATED
         link=${BOOST_LINK}
-        linkflags=-std=gnu++${BOOST_CXX_STANDARD}
         threading=multi
         variant=${BOOST_BUILD_TYPE_LOWER}
       )

support/include/utils/config.hpp

@@ -323,6 +323,11 @@ using vlc_string_t = std::unique_ptr<char, vlc_string_deleter>;
 
 #if defined(__cplusplus)
 #if defined(PROJECT_ENABLE_BOOST)
+#if defined(PROJECT_ENABLE_LIBBITCOIN_SYSTEM) && defined(PROJECT_IS_DARWIN)
+#define BOOST_ASIO_HAS_STD_INVOKE_RESULT
+#define BOOST_NO_CXX98_FUNCTION_BASE
+#endif // defined(PROJECT_ENABLE_LIBBITCOIN_SYSTEM) &&
+       // defined(PROJECT_IS_DARWIN)
 #include "boost/archive/text_iarchive.hpp"
 #include "boost/archive/text_oarchive.hpp"
 #include "boost/asio.hpp"