Fixed C++20 and macos build

3rdparty/libbitcoin/src/chain/transaction.cpp

@@ -738,7 +738,7 @@ bool transaction::all_inputs_final() const
 
 bool transaction::is_final(size_t block_height, uint32_t block_time) const
 {
-    const auto max_locktime = [=, this]()
+    const auto max_locktime = [=]()
     {
         return locktime_ < locktime_threshold ?
             safe_unsigned<uint32_t>(block_height) : block_time;

CMakeLists.txt

@@ -109,8 +109,6 @@ target_include_directories(beam INTERFACE
         ${PROJECT_SOURCE_DIR}
         ${PROJECT_SOURCE_DIR}/3rdparty)
 
-target_compile_features(beam INTERFACE cxx_std_20)
-
 
 file(WRITE ${PROJECT_SOURCE_DIR}/beam_version.gen "${PROJECT_VERSION}")
 add_definitions(-DBEAM_LIB_VERSION="${BEAM_VERSION}")
@@ -121,7 +119,20 @@ endif()
 
 include(AddTest)
 
-set(CMAKE_CXX_STANDARD 20)
+option(BEAM_CPP_20_STANDARD "Build wallet with C++20 standard" OFF)
+message("BEAM_CPP_20_STANDARD is ${BEAM_CPP_20_STANDARD}")
+
+
+if (BEAM_CPP_20_STANDARD)
+    set(CMAKE_CXX_STANDARD 20)
+    set(BEAM_INTERFACE_STANDARD, cxx_std_20)
+else()
+    set(CMAKE_CXX_STANDARD 17)
+    set(BEAM_INTERFACE_STANDARD, cxx_std_17)
+endif()
+
+target_compile_features(beam INTERFACE ${BEAM_INTERFACE_STANDARD})
+
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 set(BEAM_USE_AVX FALSE)

keykeeper/CMakeLists.txt

@@ -4,7 +4,11 @@ cmake_minimum_required(VERSION 3.13)
 set(TARGET_NAME wasm-key-keeper)
 
 if(EMSCRIPTEN)
-    set(CMAKE_CXX_STANDARD 20)
+    if (BEAM_CPP_20_STANDARD)
+        set(CMAKE_CXX_STANDARD 20)
+    else()
+        set(CMAKE_CXX_STANDARD 17)
+    endif()
     set(CMAKE_CXX_STANDARD_REQUIRED ON)
 endif()
 

utility/CMakeLists.txt

@@ -54,7 +54,7 @@ if (MSVC)
 endif()
 
 add_library(utility STATIC ${UTILITY_SRC} ${IO_SRC})
-target_compile_features(utility PUBLIC cxx_std_20)
+target_compile_features(utility PUBLIC ${BEAM_INTERFACE_STANDARD})
 
 if (NOT EMSCRIPTEN)
     add_library(cli STATIC ${CLI_SRC})

wallet/client/CMakeLists.txt

@@ -33,8 +33,8 @@ target_link_libraries(wallet_client_no_ipfs
     PRIVATE http
 )
 
-target_compile_features(wallet_client PUBLIC cxx_std_20)
-target_compile_features(wallet_client_no_ipfs PUBLIC cxx_std_20)
+target_compile_features(wallet_client PUBLIC ${BEAM_INTERFACE_STANDARD})
+target_compile_features(wallet_client_no_ipfs PUBLIC ${BEAM_INTERFACE_STANDARD})
 
 add_subdirectory(extensions)
 

wallet/client/extensions/broadcast_gateway/CMakeLists.txt

@@ -18,5 +18,5 @@ target_link_libraries(broadcast_gateway
         wallet_core
 )
 
-target_compile_features(broadcast_gateway PUBLIC cxx_std_20)
+target_compile_features(broadcast_gateway PUBLIC ${BEAM_INTERFACE_STANDARD})
 

wallet/client/extensions/dex_board/CMakeLists.txt

@@ -16,5 +16,5 @@ target_link_libraries(dex_board
         wallet
 )
 
-target_compile_features(dex_board PUBLIC cxx_std_20)
+target_compile_features(dex_board PUBLIC ${BEAM_INTERFACE_STANDARD})
 

wallet/client/extensions/export/CMakeLists.txt

@@ -21,5 +21,5 @@ if(BEAM_ATOMIC_SWAP_SUPPORT)
     target_compile_definitions(export PUBLIC BEAM_ATOMIC_SWAP_SUPPORT)
 endif()
 
-target_compile_features(export PUBLIC cxx_std_20)
+target_compile_features(export PUBLIC ${BEAM_INTERFACE_STANDARD})
 

wallet/client/extensions/news_channels/CMakeLists.txt

@@ -24,5 +24,5 @@ target_link_libraries(news_channels
         wallet_core
 )
 
-target_compile_features(news_channels PUBLIC cxx_std_20)
+target_compile_features(news_channels PUBLIC ${BEAM_INTERFACE_STANDARD})
 

wallet/client/extensions/notifications/CMakeLists.txt

@@ -17,5 +17,5 @@ target_link_libraries(notifications
         wallet_core
 )
 
-target_compile_features(notifications PUBLIC cxx_std_20)
+target_compile_features(notifications PUBLIC ${BEAM_INTERFACE_STANDARD})
 

wallet/client/extensions/offers_board/CMakeLists.txt

@@ -22,5 +22,5 @@ target_link_libraries(swap_offers_board
         wallet
 )
 
-target_compile_features(swap_offers_board PUBLIC cxx_std_20)
+target_compile_features(swap_offers_board PUBLIC ${BEAM_INTERFACE_STANDARD})
 

wallet/core/CMakeLists.txt

@@ -46,7 +46,7 @@ target_link_libraries(wallet_core
         sqlite
 )
 
-target_compile_features(wallet_core PUBLIC cxx_std_20)
+target_compile_features(wallet_core PUBLIC ${BEAM_INTERFACE_STANDARD})
 
 
 if (NOT ANDROID AND NOT IOS)

wallet/core/common.cpp

@@ -444,13 +444,13 @@ namespace beam::wallet
 
     }
 
-    bool TxParameters::operator==(const TxParameters& other)
+    bool TxParameters::operator==(const TxParameters& other) const
     {
         return m_ID == other.m_ID &&
             m_Parameters == other.m_Parameters;
     }
 
-    bool TxParameters::operator!=(const TxParameters& other)
+    bool TxParameters::operator!=(const TxParameters& other) const
     {
         return !(*this == other);
     }

wallet/core/common.h

@@ -441,8 +441,8 @@ namespace beam::wallet
     public:
         TxParameters(const boost::optional<TxID>& txID = {});
 
-        bool operator==(const TxParameters& other);
-        bool operator!=(const TxParameters& other);
+        bool operator==(const TxParameters& other) const;
+        bool operator!=(const TxParameters& other) const;
 
         const boost::optional<TxID>& GetTxID() const;
 

wasmclient/CMakeLists.txt

@@ -4,7 +4,11 @@ cmake_minimum_required(VERSION 3.13)
 set(TARGET_NAME wasm-client)
 
 if(EMSCRIPTEN)
-    set(CMAKE_CXX_STANDARD 20)
+    if (BEAM_CPP_20_STANDARD)
+        set(CMAKE_CXX_STANDARD 20)
+    else()
+        set(CMAKE_CXX_STANDARD 17)
+    endif()
     set(CMAKE_CXX_STANDARD_REQUIRED ON)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-value \
                                             -pthread \