Merge bitcoin#29066: Bump minimum required Boost version due to migra…

…tion to C++20

49a9091 build: Bump minimum required Boost to 1.73.0 to support C++20 (Hennadii Stepanov)

Pull request description:

  Boost versions <1.73 have C++20-specific bugs that were fixed in the following commits:
  - boostorg/signals2@15fcf21
  - boostorg/test@495c095

  I tested [`libboost1.71-dev`](https://packages.ubuntu.com/focal/libboost1.71-dev) in Ubuntu 20.04 and Boost 1.71, 1.72, 1.73 in our depends build system.

  Closes bitcoin#29063.

ACKs for top commit:
  fanquake:
    ACK 49a9091

Tree-SHA512: b8ebc08af85abfa3fda70961bd1136ee9e5149dd76a3f901e43acba624d231971873cba5cbf30837f9e5ab58790b8330f241a76cb76d8cf5dce5ad0cca33fba8

configure.ac

@@ -1461,7 +1461,7 @@ fi
 if test x$use_boost = xyes; then
 
 dnl Check for Boost headers
-AX_BOOST_BASE([1.64.0],[],[AC_MSG_ERROR([Boost is not available!])])
+AX_BOOST_BASE([1.73.0],[],[AC_MSG_ERROR([Boost is not available!])])
 if test x$want_boost = xno; then
     AC_MSG_ERROR([[only libdashconsensus can be built without boost]])
 fi

doc/dependencies.md

@@ -3,31 +3,31 @@ Dependencies
 
 These are the dependencies currently used by Dash Core. You can find instructions for installing them in the `build-*.md` file for your platform.
 
-| Dependency | Version used | Minimum required | CVEs | Shared | [Bundled Qt library](https://doc.qt.io/qt-5/configure-options.html#third-party-libraries) |
-| --- | --- | --- | --- | --- | --- |
-| Berkeley DB | [4.8.30](https://www.oracle.com/technetwork/database/database-technologies/berkeleydb/downloads/index.html) | 4.8.x | No |  |  |
-| Boost | [1.81.0](https://www.boost.org/users/download/) | [1.64.0](https://github.com/bitcoin/bitcoin/pull/22320) | No |  |  |
+| Dependency | Version used | Minimum required                                                | CVEs | Shared | [Bundled Qt library](https://doc.qt.io/qt-5/configure-options.html#third-party-libraries) |
+| --- | --- |-----------------------------------------------------------------| --- | --- | --- |
+| Berkeley DB | [4.8.30](https://www.oracle.com/technetwork/database/database-technologies/berkeleydb/downloads/index.html) | 4.8.x                                                           | No |  |  |
+| Boost | [1.81.0](https://www.boost.org/users/download/) | [1.73.0](https://github.com/bitcoin/bitcoin/pull/29066)         | No |  |  |
 | Clang<sup>[ \* ](#note1)</sup> |  | [5.0+](https://releases.llvm.org/download.html) (C++17 support) |  |  |  |
-| fontconfig | [2.12.1](https://www.freedesktop.org/software/fontconfig/release/) |  | No | Yes |  |
-| FreeType | [2.11.0](https://download.savannah.gnu.org/releases/freetype) |  | No |  | [Yes](https://github.com/dashpay/dash/blob/develop/depends/packages/qt.mk) (Android only) |
-| GCC |  | [7+](https://gcc.gnu.org/) (C++17 support) |  |  |  |
-| glibc | | [2.28](https://www.gnu.org/software/libc/) |  |  |  |  |
-| HarfBuzz-NG |  |  |  |  | [Yes](https://github.com/dashpay/dash/blob/develop/depends/packages/qt.mk) |
-| libevent | [2.1.12-stable](https://github.com/libevent/libevent/releases) | [2.0.21](https://github.com/bitcoin/bitcoin/pull/18676) | No |  |  |
-| libnatpmp | git commit [4536032...](https://github.com/miniupnp/libnatpmp/tree/4536032ae32268a45c073a4d5e91bbab4534773a) |  | No |  |  |
-| libpng |  |  |  |  | [Yes](https://github.com/dashpay/dash/blob/develop/depends/packages/qt.mk) |
-| Linux Kernel | [N/A](https://www.kernel.org/) | 3.2.0 | | | |
-| MiniUPnPc | [2.2.2](https://miniupnp.tuxfamily.org/files) |  | No |  |  |
-| PCRE |  |  |  |  | [Yes](https://github.com/dashpay/dash/blob/develop/depends/packages/qt.mk) |
-| Python (tests) |  | [3.8](https://www.python.org/downloads) |  |  |  |
-| qrencode | [3.4.4](https://fukuchi.org/works/qrencode) |  | No |  |  |
-| Qt | [5.15.11](https://download.qt.io/official_releases/qt/) | [5.11.3](https://github.com/bitcoin/bitcoin/pull/24132) | No | |  |
-| SQLite | [3.32.1](https://sqlite.org/download.html) | [3.7.17](https://github.com/bitcoin/bitcoin/pull/19077) |  |  |  |
-| XCB |  |  |  |  | [Yes](https://github.com/dashpay/dash/blob/develop/depends/packages/qt.mk) (Linux only) |
-| systemtap ([tracing](tracing.md))| [4.8](https://sourceware.org/ftp/systemtap/releases/) |  |  |  | |
-| xkbcommon |  |  |  |  | [Yes](https://github.com/dashpay/dash/blob/develop/depends/packages/qt.mk) (Linux only) |
-| ZeroMQ | [4.3.1](https://github.com/zeromq/libzmq/releases) | 4.0.0 | No |  |  |
-| zlib |  |  |  |  | [Yes](https://github.com/dashpay/dash/blob/develop/depends/packages/qt.mk) |
+| fontconfig | [2.12.1](https://www.freedesktop.org/software/fontconfig/release/) |                                                                 | No | Yes |  |
+| FreeType | [2.11.0](https://download.savannah.gnu.org/releases/freetype) |                                                                 | No |  | [Yes](https://github.com/dashpay/dash/blob/develop/depends/packages/qt.mk) (Android only) |
+| GCC |  | [7+](https://gcc.gnu.org/) (C++17 support)                      |  |  |  |
+| glibc | | [2.28](https://www.gnu.org/software/libc/)                      |  |  |  |  |
+| HarfBuzz-NG |  |                                                                 |  |  | [Yes](https://github.com/dashpay/dash/blob/develop/depends/packages/qt.mk) |
+| libevent | [2.1.12-stable](https://github.com/libevent/libevent/releases) | [2.0.21](https://github.com/bitcoin/bitcoin/pull/18676)         | No |  |  |
+| libnatpmp | git commit [4536032...](https://github.com/miniupnp/libnatpmp/tree/4536032ae32268a45c073a4d5e91bbab4534773a) |                                                                 | No |  |  |
+| libpng |  |                                                                 |  |  | [Yes](https://github.com/dashpay/dash/blob/develop/depends/packages/qt.mk) |
+| Linux Kernel | [N/A](https://www.kernel.org/) | 3.2.0                                                           | | | |
+| MiniUPnPc | [2.2.2](https://miniupnp.tuxfamily.org/files) |                                                                 | No |  |  |
+| PCRE |  |                                                                 |  |  | [Yes](https://github.com/dashpay/dash/blob/develop/depends/packages/qt.mk) |
+| Python (tests) |  | [3.8](https://www.python.org/downloads)                         |  |  |  |
+| qrencode | [3.4.4](https://fukuchi.org/works/qrencode) |                                                                 | No |  |  |
+| Qt | [5.15.11](https://download.qt.io/official_releases/qt/) | [5.11.3](https://github.com/bitcoin/bitcoin/pull/24132)         | No | |  |
+| SQLite | [3.32.1](https://sqlite.org/download.html) | [3.7.17](https://github.com/bitcoin/bitcoin/pull/19077)         |  |  |  |
+| XCB |  |                                                                 |  |  | [Yes](https://github.com/dashpay/dash/blob/develop/depends/packages/qt.mk) (Linux only) |
+| systemtap ([tracing](tracing.md))| [4.8](https://sourceware.org/ftp/systemtap/releases/) |                                                                 |  |  | |
+| xkbcommon |  |                                                                 |  |  | [Yes](https://github.com/dashpay/dash/blob/develop/depends/packages/qt.mk) (Linux only) |
+| ZeroMQ | [4.3.1](https://github.com/zeromq/libzmq/releases) | 4.0.0                                                           | No |  |  |
+| zlib |  |                                                                 |  |  | [Yes](https://github.com/dashpay/dash/blob/develop/depends/packages/qt.mk) |
 
 <a name="note1">Note \*</a> : When compiling with `-stdlib=libc++`, the minimum supported libc++ version is 7.0.