Add CMake-based build system

List of the squashed commits:
=============================

cmake: Add root `CMakeLists.txt` file

cmake: Introduce core interface libraries to encapsulate common flags

cmake: Add `config/bitcoin-config.h` support

cmake: Check system headers

cmake: Check system symbols

cmake: Check compiler features

cmake: Add position independent code support

cmake: Add platform-specific definitions and properties

cmake: Build `crc32c` static library

cmake: Build `leveldb` static library

cmake: Build `minisketch` static library

cmake: Build `secp256k1` static library

cmake: Build `univalue` static library

cmake: Build `bitcoin_crypto` library

cmake: Build `bitcoin_util` static library

cmake: Build `bitcoin_consensus` library

cmake: Build `bitcoind` executable

depends: Amend handling flags environment variables

build: Generate `share/toolchain.cmake` in depends

cmake: Add cross-compiling support

cmake: Add `TristateOption` module

cmake: Add `ccache` support

cmake: Add `libnatpmp` optional package support

cmake: Add `libminiupnpc` optional package support

cmake: Add `libzmq` optional package support

cmake: Add `systemtap-sdt` optional package support

cmake: Build `bitcoin-cli` executable

cmake: Build `bitcoin-tx` executable

cmake: Build `bitcoin-util` executable

cmake: Add wallet functionality

cmake: Add test config and runners

cmake: Build `bench_bitcoin` executable

cmake: Build `test_bitcoin` executable

cmake: Include CTest

cmake: Add `TryAppendCXXFlags` module

cmake: Add `TryAppendLinkerFlag` module

cmake: Add platform-specific compiler flags

cmake: Add platform-specific linker flags

cmake: Redefine/adjust per-configuration flags

cmake: Add general compile options

cmake: Add `HARDENING` option

cmake: Add `REDUCE_EXPORTS` option

cmake: Add `WERROR` option

cmake: Implement `make install`

cmake: Generate `obj/build.h` header

Revert "build, qt: Do not install *.prl files"

qt, build: Drop `QT_STATICPLUGIN` macro

cmake: Build `bitcoin-qt` executable

cmake: Build `test_bitcoin-qt` executable

qt: Drop `Q_IMPORT_PLUGIN` macros

cmake: Add `libqrencode` optional package support

cmake: Add `SANITIZERS` option

cmake: Add external signer support

cmake: Add fuzzing options

cmake: Add `AddWindowsResources` module

cmake: Add `Maintenance` module

cmake: Migrate Guix build scripts to CMake

cmake: Add vcpkg manifest file

cmake: Add preset for MSVC build

Fix MSVC warning C4273 "inconsistent dll linkage"

cmake, doc: Update `release-process.md`

cmake: Add compiler diagnostic flags

test: Fix MSVC warning C4101 "unreferenced local variable"

cmake: Build `bitcoinkernel` library

cmake: Build `bitcoin-chainstate` executable

ci: Test CMake edge cases

cmake, ci: Disable qt5 feature temporarily

CMakePresets.json

@@ -0,0 +1,38 @@
+{
+  "version": 3,
+  "cmakeMinimumRequired": {"major": 3, "minor": 21, "patch": 0},
+  "configurePresets": [
+    {
+      "name": "vs2022",
+      "displayName": "Build using 'Visual Studio 17 2022' generator",
+      "condition": {
+        "type": "equals",
+        "lhs": "${hostSystemName}",
+        "rhs": "Windows"
+      },
+      "generator": "Visual Studio 17 2022",
+      "architecture": "x64",
+      "toolchainFile": "$env{VCPKG_ROOT}\\scripts\\buildsystems\\vcpkg.cmake",
+      "cacheVariables": {
+        "VCPKG_TARGET_TRIPLET": "x64-windows",
+        "WITH_NATPMP": "OFF"
+      }
+    },
+    {
+      "name": "vs2022-static",
+      "displayName": "Build using 'Visual Studio 17 2022' generator",
+      "condition": {
+        "type": "equals",
+        "lhs": "${hostSystemName}",
+        "rhs": "Windows"
+      },
+      "generator": "Visual Studio 17 2022",
+      "architecture": "x64",
+      "toolchainFile": "$env{VCPKG_ROOT}\\scripts\\buildsystems\\vcpkg.cmake",
+      "cacheVariables": {
+        "VCPKG_TARGET_TRIPLET": "x64-windows-static",
+        "WITH_NATPMP": "OFF"
+      }
+    }
+  ]
+}

build-aux/m4/bitcoin_qt.m4

@@ -137,7 +137,6 @@ AC_DEFUN([BITCOIN_QT_CONFIGURE],[
       fi
     fi
 
-    AC_DEFINE([QT_STATICPLUGIN], [1], [Define this symbol if qt plugins are static])
     if test "$TARGET_OS" != "android"; then
       _BITCOIN_QT_CHECK_STATIC_PLUGIN([QMinimalIntegrationPlugin], [-lqminimal])
       AC_DEFINE([QT_QPA_PLATFORM_MINIMAL], [1], [Define this symbol if the minimal qt platform exists])

build_msvc/bitcoin_config.h.in

@@ -73,9 +73,6 @@
 /* Define this symbol if the qt platform is windows */
 #define QT_QPA_PLATFORM_WINDOWS 1
 
-/* Define this symbol if qt plugins are static */
-#define QT_STATICPLUGIN 1
-
 /* Windows Universal Platform constraints */
 #if !defined(WINAPI_FAMILY) || (WINAPI_FAMILY == WINAPI_FAMILY_DESKTOP_APP)
 /* Either a desktop application without API restrictions, or and older system

cmake/bitcoin-config.h.in

@@ -0,0 +1,148 @@
+// Copyright (c) 2023 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_CONFIG_H
+
+#define BITCOIN_CONFIG_H
+
+/* Version Build */
+#define CLIENT_VERSION_BUILD @CLIENT_VERSION_BUILD@
+
+/* Version is release */
+#define CLIENT_VERSION_IS_RELEASE @CLIENT_VERSION_IS_RELEASE@
+
+/* Major version */
+#define CLIENT_VERSION_MAJOR @CLIENT_VERSION_MAJOR@
+
+/* Minor version */
+#define CLIENT_VERSION_MINOR @CLIENT_VERSION_MINOR@
+
+/* Copyright holder(s) before %s replacement */
+#define COPYRIGHT_HOLDERS "@COPYRIGHT_HOLDERS@"
+
+/* Copyright holder(s) */
+#define COPYRIGHT_HOLDERS_FINAL "@COPYRIGHT_HOLDERS_FINAL@"
+
+/* Replacement for %s in copyright holders string */
+#define COPYRIGHT_HOLDERS_SUBSTITUTION "@PACKAGE_NAME@"
+
+/* Copyright year */
+#define COPYRIGHT_YEAR @COPYRIGHT_YEAR@
+
+/* Define to 1 to enable tracepoints for Userspace, Statically Defined Tracing
+   */
+#cmakedefine ENABLE_TRACING 1
+
+/* Define this symbol if you have __builtin_clzl */
+#cmakedefine HAVE_BUILTIN_CLZL 1
+
+/* Define this symbol if you have __builtin_clzll */
+#cmakedefine HAVE_BUILTIN_CLZLL 1
+
+/* Define to 1 if you have the declaration of `fork', and to 0 if you don't.
+   */
+#cmakedefine01 HAVE_DECL_FORK
+
+/* Define to 1 if you have the declaration of `freeifaddrs', and to 0 if you
+   don't. */
+#cmakedefine01 HAVE_DECL_FREEIFADDRS
+
+/* Define to 1 if you have the declaration of `getifaddrs', and to 0 if you
+   don't. */
+#cmakedefine01 HAVE_DECL_GETIFADDRS
+
+/* Define to 1 if you have the declaration of `pipe2', and to 0 if you don't.
+   */
+#cmakedefine01 HAVE_DECL_PIPE2
+
+/* Define to 1 if you have the declaration of `setsid', and to 0 if you don't.
+   */
+#cmakedefine01 HAVE_DECL_SETSID
+
+/* Define if the visibility attribute is supported. */
+#cmakedefine HAVE_DEFAULT_VISIBILITY_ATTRIBUTE 1
+
+/* Define if the dllexport attribute is supported. */
+#cmakedefine HAVE_DLLEXPORT_ATTRIBUTE 1
+
+/* Define to 1 if fdatasync is available. */
+#cmakedefine HAVE_FDATASYNC 1
+
+/* Define this symbol if the BSD getentropy system call is available with
+   sys/random.h */
+#cmakedefine HAVE_GETENTROPY_RAND 1
+
+/* Define this symbol if the Linux getrandom function call is available */
+#cmakedefine HAVE_GETRANDOM 1
+
+/* Define this symbol if gmtime_r is available */
+#cmakedefine HAVE_GMTIME_R 1
+
+/* Define this symbol if you have malloc_info */
+#cmakedefine HAVE_MALLOC_INFO 1
+
+/* Define this symbol if you have mallopt with M_ARENA_MAX */
+#cmakedefine HAVE_MALLOPT_ARENA_MAX 1
+
+/* Define to 1 if O_CLOEXEC flag is available. */
+#cmakedefine01 HAVE_O_CLOEXEC
+
+/* Define this symbol if you have posix_fallocate */
+#cmakedefine HAVE_POSIX_FALLOCATE 1
+
+/* Define this symbol if platform supports unix domain sockets */
+#cmakedefine HAVE_SOCKADDR_UN 1
+
+/* Define this symbol to build code that uses getauxval */
+#cmakedefine HAVE_STRONG_GETAUXVAL 1
+
+/* Define this symbol if the BSD sysctl() is available */
+#cmakedefine HAVE_SYSCTL 1
+
+/* Define this symbol if the BSD sysctl(KERN_ARND) is available */
+#cmakedefine HAVE_SYSCTL_ARND 1
+
+/* Define to 1 if std::system or ::wsystem is available. */
+#cmakedefine HAVE_SYSTEM 1
+
+/* Define to 1 if you have the <sys/prctl.h> header file. */
+#cmakedefine HAVE_SYS_PRCTL_H 1
+
+/* Define to 1 if you have the <sys/resources.h> header file. */
+#cmakedefine HAVE_SYS_RESOURCES_H 1
+
+/* Define to 1 if you have the <sys/vmmeter.h> header file. */
+#cmakedefine HAVE_SYS_VMMETER_H 1
+
+/* Define to 1 if you have the <vm/vm_param.h> header file. */
+#cmakedefine HAVE_VM_VM_PARAM_H 1
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "@PACKAGE_BUGREPORT@"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "@PACKAGE_NAME@"
+
+/* Define to the home page for this package. */
+#define PACKAGE_URL "@PROJECT_HOMEPAGE_URL@"
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "@PACKAGE_VERSION@"
+
+/* Define to 1 if strerror_r returns char *. */
+#cmakedefine STRERROR_R_CHAR_P 1
+
+/* Define to 1 to enable wallet functions. */
+#cmakedefine ENABLE_WALLET 1
+
+/* Define if SQLite support should be compiled in. */
+#cmakedefine USE_SQLITE
+
+/* Define if Berkeley DB (BDB) support should be compiled in. */
+#cmakedefine USE_BDB
+
+/* Define if external signer support is enabled. */
+#cmakedefine ENABLE_EXTERNAL_SIGNER
+
+#endif //BITCOIN_CONFIG_H

cmake/crc32c.cmake

@@ -0,0 +1,115 @@
+# Copyright (c) 2023 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+# This file is part of the transition from Autotools to CMake. Once CMake
+# support has been merged we should switch to using the upstream CMake
+# buildsystem.
+
+include(CheckCXXSourceCompiles)
+
+# Check for __builtin_prefetch support in the compiler.
+check_cxx_source_compiles("
+  int main() {
+    char data = 0;
+    const char* address = &data;
+    __builtin_prefetch(address, 0, 0);
+    return 0;
+  }
+  " HAVE_BUILTIN_PREFETCH
+)
+
+# Check for _mm_prefetch support in the compiler.
+check_cxx_source_compiles("
+  #if defined(_MSC_VER)
+  #include <intrin.h>
+  #else
+  #include <xmmintrin.h>
+  #endif
+
+  int main() {
+    char data = 0;
+    const char* address = &data;
+    _mm_prefetch(address, _MM_HINT_NTA);
+    return 0;
+  }
+  " HAVE_MM_PREFETCH
+)
+
+# Check for SSE4.2 support in the compiler.
+if(MSVC)
+  set(SSE42_CXXFLAGS /arch:AVX)
+else()
+  set(SSE42_CXXFLAGS -msse4.2)
+endif()
+check_cxx_source_compiles_with_flags("${SSE42_CXXFLAGS}" "
+  #include <cstdint>
+  #if defined(_MSC_VER)
+  #include <intrin.h>
+  #elif defined(__GNUC__) && defined(__SSE4_2__)
+  #include <nmmintrin.h>
+  #endif
+
+  int main() {
+    uint64_t l = 0;
+    l = _mm_crc32_u8(l, 0);
+    l = _mm_crc32_u32(l, 0);
+    l = _mm_crc32_u64(l, 0);
+    return l;
+  }
+  " HAVE_SSE42
+)
+
+# Check for ARMv8 w/ CRC and CRYPTO extensions support in the compiler.
+set(ARM_CRC_CXXFLAGS -march=armv8-a+crc+crypto)
+check_cxx_source_compiles_with_flags("${ARM_CRC_CXXFLAGS}" "
+  #include <arm_acle.h>
+  #include <arm_neon.h>
+
+  int main() {
+  #ifdef __aarch64__
+    __crc32cb(0, 0); __crc32ch(0, 0); __crc32cw(0, 0); __crc32cd(0, 0);
+    vmull_p64(0, 0);
+  #else
+  #error crc32c library does not support hardware acceleration on 32-bit ARM
+  #endif
+    return 0;
+  }
+  " HAVE_ARM64_CRC32C
+)
+
+add_library(crc32c STATIC EXCLUDE_FROM_ALL
+  ${PROJECT_SOURCE_DIR}/src/crc32c/src/crc32c.cc
+  ${PROJECT_SOURCE_DIR}/src/crc32c/src/crc32c_portable.cc
+)
+
+target_compile_definitions(crc32c
+  PRIVATE
+    HAVE_BUILTIN_PREFETCH=$<BOOL:${HAVE_BUILTIN_PREFETCH}>
+    HAVE_MM_PREFETCH=$<BOOL:${HAVE_MM_PREFETCH}>
+    HAVE_STRONG_GETAUXVAL=$<BOOL:${HAVE_STRONG_GETAUXVAL}>
+    HAVE_SSE42=$<BOOL:${HAVE_SSE42}>
+    HAVE_ARM64_CRC32C=$<BOOL:${HAVE_ARM64_CRC32C}>
+    BYTE_ORDER_BIG_ENDIAN=$<STREQUAL:${CMAKE_CXX_BYTE_ORDER},BIG_ENDIAN>
+)
+
+target_include_directories(crc32c
+  PUBLIC
+    $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src/crc32c/include>
+)
+
+if(HAVE_SSE42)
+  target_sources(crc32c PRIVATE ${PROJECT_SOURCE_DIR}/src/crc32c/src/crc32c_sse42.cc)
+  set_property(SOURCE ${PROJECT_SOURCE_DIR}/src/crc32c/src/crc32c_sse42.cc
+    APPEND PROPERTY COMPILE_OPTIONS ${SSE42_CXXFLAGS}
+  )
+endif()
+
+if(HAVE_ARM64_CRC32C)
+  target_sources(crc32c PRIVATE ${PROJECT_SOURCE_DIR}/src/crc32c/src/crc32c_arm64.cc)
+  set_property(SOURCE ${PROJECT_SOURCE_DIR}/src/crc32c/src/crc32c_arm64.cc
+    APPEND PROPERTY COMPILE_OPTIONS ${ARM_CRC_CXXFLAGS}
+  )
+endif()
+
+target_link_libraries(crc32c PRIVATE core_base_interface)