cmake_minimum_required(VERSION 3.16)

if (POLICY CMP0074)
    cmake_policy(SET CMP0074 NEW)
endif ()
if (POLICY CMP0077)
    cmake_policy(SET CMP0077 NEW)
endif ()

# Fix "unrecognized escape" issues when passing CMAKE_MODULE_PATH on Windows.
if (DEFINED CMAKE_MODULE_PATH)
    file(TO_CMAKE_PATH "${CMAKE_MODULE_PATH}" CMAKE_MODULE_PATH)
endif ()
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")

project(xrpl)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

include(CompilationEnv)

if (is_gcc)
    # GCC-specific fixes
    add_compile_options(-Wno-unknown-pragmas -Wno-subobject-linkage)
    # -Wno-subobject-linkage can be removed when we upgrade GCC version to at least 13.3
elseif (is_clang)
    # Clang-specific fixes
    add_compile_options(-Wno-unknown-warning-option) # Ignore unknown warning options
elseif (is_msvc)
    # MSVC-specific fixes
    add_compile_options(/wd4068) # Ignore unknown pragmas
endif ()

# Enable ccache to speed up builds.
include(Ccache)

# make GIT_COMMIT_HASH define available to all sources
find_package(Git)
if (Git_FOUND)
    execute_process(COMMAND ${GIT_EXECUTABLE} --git-dir=${CMAKE_CURRENT_SOURCE_DIR}/.git rev-parse HEAD
                    OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE gch)
    if (gch)
        set(GIT_COMMIT_HASH "${gch}")
        message(STATUS gch: ${GIT_COMMIT_HASH})
        add_definitions(-DGIT_COMMIT_HASH="${GIT_COMMIT_HASH}")
    endif ()

    execute_process(COMMAND ${GIT_EXECUTABLE} --git-dir=${CMAKE_CURRENT_SOURCE_DIR}/.git rev-parse --abbrev-ref HEAD
                    OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE gb)
    if (gb)
        set(GIT_BRANCH "${gb}")
        message(STATUS gb: ${GIT_BRANCH})
        add_definitions(-DGIT_BRANCH="${GIT_BRANCH}")
    endif ()
endif () # git

if (thread_safety_analysis)
    add_compile_options(-Wthread-safety -D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS
                        -DXRPL_ENABLE_THREAD_SAFETY_ANNOTATIONS)
    add_compile_options("-stdlib=libc++")
    add_link_options("-stdlib=libc++")
endif ()

include(CheckCXXCompilerFlag)
include(FetchContent)
include(ExternalProject)
include(CMakeFuncs) # must come *after* ExternalProject b/c it overrides one function in EP
if (target)
    message(FATAL_ERROR "The target option has been removed - use native cmake options to control build")
endif ()

include(XrplSanity)
include(XrplVersion)
include(XrplSettings)
# this check has to remain in the top-level cmake because of the early return statement
if (packages_only)
    if (NOT TARGET rpm)
        message(FATAL_ERROR "packages_only requested, but targets were not created - is docker installed?")
    endif ()
    return()
endif ()
include(XrplCompiler)
include(XrplSanitizers)
include(XrplInterface)

option(only_docs "Include only the docs target?" FALSE)
include(XrplDocs)
if (only_docs)
    return()
endif ()

include(deps/Boost)

add_subdirectory(external/antithesis-sdk)
find_package(date REQUIRED)
find_package(ed25519 REQUIRED)
find_package(gRPC REQUIRED)
find_package(LibArchive REQUIRED)
find_package(lz4 REQUIRED)
find_package(nudb REQUIRED)
find_package(OpenSSL REQUIRED)
find_package(secp256k1 REQUIRED)
find_package(SOCI REQUIRED)
find_package(SQLite3 REQUIRED)
find_package(xxHash REQUIRED)

target_link_libraries(
    xrpl_libs
    INTERFACE ed25519::ed25519
              lz4::lz4
              OpenSSL::Crypto
              OpenSSL::SSL
              secp256k1::secp256k1
              soci::soci
              SQLite::SQLite3)

option(rocksdb "Enable RocksDB" ON)
if (rocksdb)
    find_package(RocksDB REQUIRED)
    set_target_properties(RocksDB::rocksdb PROPERTIES INTERFACE_COMPILE_DEFINITIONS XRPL_ROCKSDB_AVAILABLE=1)
    target_link_libraries(xrpl_libs INTERFACE RocksDB::rocksdb)
endif ()

# Work around changes to Conan recipe for now.
if (TARGET nudb::core)
    set(nudb nudb::core)
elseif (TARGET NuDB::nudb)
    set(nudb NuDB::nudb)
else ()
    message(FATAL_ERROR "unknown nudb target")
endif ()
target_link_libraries(xrpl_libs INTERFACE ${nudb})

if (coverage)
    include(XrplCov)
endif ()

set(PROJECT_EXPORT_SET XrplExports)
include(XrplCore)
include(XrplInstall)
include(XrplValidatorKeys)

if (tests)
    include(CTest)
    add_subdirectory(src/tests/libxrpl)
endif ()