DRAFT CMake Build System Support

cmake/bitcoin-build-config.h.in

@@ -0,0 +1,150 @@
+// Copyright (c) 2023-present The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or https://opensource.org/license/mit/.
+
+#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 "@CLIENT_NAME@"
+
+/* Copyright year */
+#define COPYRIGHT_YEAR @COPYRIGHT_YEAR@
+
+/* Define this symbol to build code that uses ARMv8 SHA-NI intrinsics */
+#cmakedefine ENABLE_ARM_SHANI 1
+
+/* Define this symbol to build code that uses AVX2 intrinsics */
+#cmakedefine ENABLE_AVX2 1
+
+/* Define if external signer support is enabled */
+#cmakedefine ENABLE_EXTERNAL_SIGNER 1
+
+/* Define this symbol to build code that uses SSE4.1 intrinsics */
+#cmakedefine ENABLE_SSE41 1
+
+/* Define to 1 to enable tracepoints for Userspace, Statically Defined Tracing
+   */
+#cmakedefine ENABLE_TRACING 1
+
+/* Define to 1 to enable wallet functions. */
+#cmakedefine ENABLE_WALLET 1
+
+/* Define this symbol to build code that uses x86 SHA-NI intrinsics */
+#cmakedefine ENABLE_X86_SHANI 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 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 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 CLIENT_BUGREPORT "@CLIENT_BUGREPORT@"
+
+/* Define to the full name of this package. */
+#define CLIENT_NAME "@CLIENT_NAME@"
+
+/* Define to the home page for this package. */
+#define CLIENT_URL "@PROJECT_HOMEPAGE_URL@"
+
+/* Define to the version of this package. */
+#define CLIENT_VERSION_STRING "@CLIENT_VERSION_STRING@"
+
+/* Define to 1 if strerror_r returns char *. */
+#cmakedefine STRERROR_R_CHAR_P 1
+
+/* Define if BDB support should be compiled in */
+#cmakedefine USE_BDB 1
+
+/* Define if dbus support should be compiled in */
+#cmakedefine USE_DBUS 1
+
+/* Define if QR support should be compiled in */
+#cmakedefine USE_QRCODE 1
+
+/* Define if sqlite support should be compiled in */
+#cmakedefine USE_SQLITE 1
+
+#endif //BITCOIN_CONFIG_H

cmake/ccache.cmake

@@ -0,0 +1,28 @@
+# Copyright (c) 2023-present The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or https://opensource.org/license/mit/.
+
+if(NOT MSVC)
+  find_program(CCACHE_EXECUTABLE ccache)
+  if(CCACHE_EXECUTABLE)
+    execute_process(
+      COMMAND readlink -f ${CMAKE_CXX_COMPILER}
+      OUTPUT_VARIABLE compiler_resolved_link
+      ERROR_QUIET
+      OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    if(CCACHE_EXECUTABLE STREQUAL compiler_resolved_link AND NOT WITH_CCACHE)
+      list(APPEND configure_warnings
+        "Disabling ccache was attempted using -DWITH_CCACHE=${WITH_CCACHE}, but ccache masquerades as the compiler."
+      )
+      set(WITH_CCACHE ON)
+    elseif(WITH_CCACHE)
+      list(APPEND CMAKE_C_COMPILER_LAUNCHER ${CCACHE_EXECUTABLE})
+      list(APPEND CMAKE_CXX_COMPILER_LAUNCHER ${CCACHE_EXECUTABLE})
+    endif()
+  else()
+    set(WITH_CCACHE OFF)
+  endif()
+endif()
+
+mark_as_advanced(CCACHE_EXECUTABLE)

cmake/cov_tool_wrapper.sh.in

@@ -0,0 +1,5 @@
+# Copyright (c) 2024-present The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or https://opensource.org/license/mit/.
+
+exec @COV_TOOL@ "$@"

cmake/crc32c.cmake

@@ -0,0 +1,123 @@
+# Copyright (c) 2023-present The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or https://opensource.org/license/mit/.
+
+# 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("${SSE42_CXXFLAGS}" "
+  #include <cstdint>
+  #if defined(_MSC_VER)
+  #include <intrin.h>
+  #elif defined(__GNUC__) && defined(__SSE4_2__)
+  #include <nmmintrin.h>
+  #endif
+
+  int main() {
+    uint64_t l = 0;
+    l = _mm_crc32_u8(l, 0);
+    l = _mm_crc32_u32(l, 0);
+    l = _mm_crc32_u64(l, 0);
+    return l;
+  }
+  " HAVE_SSE42
+)
+
+# Check for ARMv8 w/ CRC and CRYPTO extensions support in the compiler.
+set(ARM64_CRC_CXXFLAGS -march=armv8-a+crc+crypto)
+check_cxx_source_compiles_with_flags("${ARM64_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_common INTERFACE)
+target_compile_definitions(crc32c_common INTERFACE
+  HAVE_BUILTIN_PREFETCH=$<BOOL:${HAVE_BUILTIN_PREFETCH}>
+  HAVE_MM_PREFETCH=$<BOOL:${HAVE_MM_PREFETCH}>
+  HAVE_STRONG_GETAUXVAL=$<BOOL:${HAVE_STRONG_GETAUXVAL}>
+  BYTE_ORDER_BIG_ENDIAN=$<STREQUAL:${CMAKE_CXX_BYTE_ORDER},BIG_ENDIAN>
+  HAVE_SSE42=$<BOOL:${HAVE_SSE42}>
+  HAVE_ARM64_CRC32C=$<BOOL:${HAVE_ARM64_CRC32C}>
+)
+target_link_libraries(crc32c_common INTERFACE
+  core_interface
+)
+
+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_include_directories(crc32c
+  PUBLIC
+    $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src/crc32c/include>
+)
+target_link_libraries(crc32c PRIVATE crc32c_common)
+set_target_properties(crc32c PROPERTIES EXPORT_COMPILE_COMMANDS OFF)
+
+if(HAVE_SSE42)
+  add_library(crc32c_sse42 STATIC EXCLUDE_FROM_ALL
+    ${PROJECT_SOURCE_DIR}/src/crc32c/src/crc32c_sse42.cc
+  )
+  target_compile_options(crc32c_sse42 PRIVATE ${SSE42_CXXFLAGS})
+  target_link_libraries(crc32c_sse42 PRIVATE crc32c_common)
+  set_target_properties(crc32c_sse42 PROPERTIES EXPORT_COMPILE_COMMANDS OFF)
+  target_link_libraries(crc32c PRIVATE crc32c_sse42)
+endif()
+
+if(HAVE_ARM64_CRC32C)
+  add_library(crc32c_arm64 STATIC EXCLUDE_FROM_ALL
+    ${PROJECT_SOURCE_DIR}/src/crc32c/src/crc32c_arm64.cc
+  )
+  target_compile_options(crc32c_arm64 PRIVATE ${ARM64_CRC_CXXFLAGS})
+  target_link_libraries(crc32c_arm64 PRIVATE crc32c_common)
+  set_target_properties(crc32c_arm64 PROPERTIES EXPORT_COMPILE_COMMANDS OFF)
+  target_link_libraries(crc32c PRIVATE crc32c_arm64)
+endif()