refactor: replace boost filesystem with std filesystem

.gitignore

@@ -9,7 +9,6 @@ third-party/cryptopp-CRYPTOPP_7_0_0
 third-party/downloads
 third-party/grpc
 third-party/mongoose-*
-src/remote-cartesi-machine-proxy
 src/remote-cartesi-machine
 src/jsonrpc-remote-cartesi-machine
 src/merkle-tree-hash

Dockerfile

@@ -7,8 +7,8 @@ ARG SANITIZE=no
 RUN apt-get update && \
     DEBIAN_FRONTEND="noninteractive" apt-get install --no-install-recommends -y \
         build-essential vim wget git clang-tidy-15 clang-format-15 lcov \
-        libreadline-dev libboost-filesystem1.81-dev libssl-dev libc-ares-dev zlib1g-dev \
-        ca-certificates automake libtool patchelf cmake pkg-config lua5.4 liblua5.4-dev \
+        libboost1.81-dev libssl-dev \
+        ca-certificates automake libtool patchelf pkg-config lua5.4 liblua5.4-dev \
         libgrpc++-dev libprotobuf-dev protobuf-compiler-grpc \
         luarocks libcrypto++-dev && \
         update-alternatives --install /usr/bin/clang-format clang-format /usr/bin/clang-format-15 120 && \

README.md

@@ -32,9 +32,8 @@ Obs: Please note that Apple Clang Version number does not follow upstream LLVM/C
 
 ```
 apt-get install build-essential wget git clang-tidy-15 clang-format-15 \
-        libreadline-dev libboost-context1.81-dev \
-        libboost-filesystem1.81-dev libssl-dev libc-ares-dev zlib1g-dev \
-        ca-certificates automake libtool patchelf cmake pkg-config lua5.4 liblua5.4-dev \
+        libboost1.81-dev libssl-dev \
+        ca-certificates automake libtool patchelf pkg-config lua5.4 liblua5.4-dev \
         libgrpc++-dev libprotobuf-dev protobuf-compiler-grpc \
         luarocks libcrypto++-dev
 
@@ -48,7 +47,7 @@ sudo luarocks install --lua-version=5.4 luaposix
 
 ##### MacPorts
 ```
-sudo port install clang-15 automake boost libtool wget cmake pkgconfig grpc zlib openssl lua libcryptopp lua-luarocks
+sudo port install clang-15 automake boost libtool wget pkgconfig grpc openssl lua libcryptopp lua-luarocks
 
 sudo luarocks install --lua-version=5.4 lpeg
 sudo luarocks install --lua-version=5.4 dkjson
@@ -59,7 +58,7 @@ sudo luarocks install --lua-version=5.4 luaposix
 
 ##### Homebrew
 ```
-brew install llvm@15 automake boost libomp wget cmake cryptopp pkg-config grpc zlib openssl [email protected] luarocks
+brew install llvm@15 automake boost wget cryptopp pkg-config grpc openssl [email protected] luarocks
 luarocks --lua-dir=$(brew --prefix)/opt/[email protected] install lpeg
 luarocks --lua-dir=$(brew --prefix)/opt/[email protected] install dkjson
 luarocks --lua-dir=$(brew --prefix)/opt/[email protected] install luasocket

src/Makefile

@@ -85,8 +85,7 @@ $(error Neither Homebrew nor MacPorts is installed)
 endif
 endif
 
-BOOST_FILESYSTEM_LIB_Darwin:=$(BOOST_LIB_DIR_Darwin) -lboost_system-mt -lboost_filesystem-mt
-BOOST_PROCESS_LIB_Darwin:=-lpthread
+PTHREAD_LIB_Darwin:=-lpthread
 LIBCARTESI_Darwin=libcartesi-$(EMULATOR_VERSION_MAJOR).$(EMULATOR_VERSION_MINOR).dylib
 LIBCARTESI_LDFLAGS_Darwin=-dynamiclib -undefined dynamic_lookup -install_name '@rpath/$(LIBCARTESI_Darwin)'
 LIBCARTESI_TESTS_LDFLAGS_Darwin=-Wl,-rpath,$(CURDIR)
@@ -105,9 +104,8 @@ CC_Linux=gcc
 CXX_Linux=g++
 INCS_Linux=
 FS_LIB_Linux=-lstdc++fs
-BOOST_FILESYSTEM_LIB_Linux:=-lboost_system -lboost_filesystem
-BOOST_PROCESS_LIB_Linux:=-lpthread
-BOOST_INC_Linux=
+PTHREAD_LIB_Linux:=-lpthread
+BOOST_INC_Linux:=
 CRYPTOPP_LIB_Linux:=-lcryptopp
 CRYPTOPP_INC_Linux:=
 GRPC_INC_Linux:=$(shell pkg-config --cflags-only-I grpc++)
@@ -129,9 +127,8 @@ PROFILE_DATA_Linux=
 CC=$(CC_$(UNAME))
 CXX=$(CXX_$(UNAME))
 SOLDFLAGS:=$(SOLDFLAGS_$(UNAME)) $(GCLDFLAGS)
-BOOST_PROCESS_LIB=$(BOOST_PROCESS_LIB_$(UNAME))
-BOOST_FILESYSTEM_LIB=$(BOOST_FILESYSTEM_LIB_$(UNAME))
-BOOST_INC=$(BOOST_INC_$(UNAME))
+PTHREAD_LIB:=$(PTHREAD_LIB_$(UNAME))
+BOOST_INC:=$(BOOST_INC_$(UNAME))
 CRYPTOPP_LIB=$(CRYPTOPP_LIB_$(UNAME))
 CRYPTOPP_INC=$(CRYPTOPP_INC_$(UNAME))
 GRPC_INC:=$(GRPC_INC_$(UNAME))
@@ -156,7 +153,7 @@ LUACARTESI_GRPC_LIBS:=$(LIBCARTESI_LIB) $(CRYPTOPP_LIB) $(LIBCARTESI_GRPC_LIB)
 LUACARTESI_JSONRPC_LIBS:=$(LIBCARTESI_LIB) $(CRYPTOPP_LIB)
 REMOTE_CARTESI_MACHINE_LIBS:=$(CRYPTOPP_LIB) $(GRPC_LIB) $(PROTOBUF_LIB)
 JSONRPC_REMOTE_CARTESI_MACHINE_LIBS:=$(CRYPTOPP_LIB)
-TEST_MACHINE_C_API_LIBS:=$(LIBCARTESI_LIB) $(CRYPTOPP_LIB) $(LIBCARTESI_GRPC_LIB) $(BOOST_PROCESS_LIB) $(BOOST_FILESYSTEM_LIB)
+TEST_MACHINE_C_API_LIBS:=$(LIBCARTESI_LIB) $(CRYPTOPP_LIB) $(LIBCARTESI_GRPC_LIB) $(PTHREAD_LIB)
 HASH_LIBS:=$(CRYPTOPP_LIB)
 
 #DEFS+= -DMT_ALL_DIRTY

src/test-machine-c-api.cpp

@@ -1,10 +1,9 @@
 #define BOOST_TEST_MODULE Machine C API test // NOLINT(cppcoreguidelines-macro-usage)
+#define BOOST_TEST_NO_OLD_TOOLS
 
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wunused-parameter"
 #include <boost/endian/conversion.hpp>
-#include <boost/filesystem.hpp>
-#include <boost/filesystem/operations.hpp>
 #include <boost/process.hpp>
 #include <boost/process/search_path.hpp>
 #include <boost/test/included/unit_test.hpp>
@@ -424,8 +423,7 @@ std::ostream &boost_test_print_type(std::ostream &ostr, const cm_machine_config
 // NOLINTNEXTLINE(cppcoreguidelines-special-member-functions)
 class serialized_machine_fixture : public ordinary_machine_fixture {
 public:
-    serialized_machine_fixture() :
-        _machine_config_path{boost::filesystem::temp_directory_path() / boost::filesystem::unique_path()} {
+    serialized_machine_fixture() : _machine_config_path{std::filesystem::temp_directory_path() / "machine"} {
         char *err_msg{};
         int error_code = cm_store(_machine, _machine_config_path.string().c_str(), &err_msg);
         BOOST_CHECK_EQUAL(error_code, CM_ERROR_OK);
@@ -437,7 +435,7 @@ class serialized_machine_fixture : public ordinary_machine_fixture {
     }
 
 protected:
-    boost::filesystem::path _machine_config_path;
+    std::filesystem::path _machine_config_path;
 
     auto _load_config() const {
         std::ifstream ifs(_config_dir(), std::ios::binary);
@@ -478,8 +476,7 @@ BOOST_FIXTURE_TEST_CASE_NOLINT(load_machine_invalid_config_version_test, seriali
 
 class store_file_fixture : public ordinary_machine_fixture {
 public:
-    store_file_fixture() :
-        _broken_machine_path{(boost::filesystem::temp_directory_path() / boost::filesystem::unique_path()).string()} {}
+    store_file_fixture() : _broken_machine_path{(std::filesystem::temp_directory_path() / "machine").string()} {}
 
     ~store_file_fixture() {
         std::filesystem::remove_all(_broken_machine_path);
@@ -2462,7 +2459,11 @@ static bool wait_for_server(cm_grpc_machine_stub *stub, int retries = 10) {
 class grpc_machine_fixture_with_server : public grpc_machine_fixture {
 public:
     grpc_machine_fixture_with_server() {
-        boost::process::spawn(boost::process::search_path("remote-cartesi-machine"), "127.0.0.1:5001", m_server_group);
+        auto process_path = std::filesystem::current_path() / "remote-cartesi-machine";
+        if (!std::filesystem::exists(process_path)) {
+            process_path = "/usr/bin/remote-cartesi-machine";
+        }
+        boost::process::spawn(process_path.string(), "127.0.0.1:5001", m_server_group);
         BOOST_CHECK(wait_for_server(m_stub));
     }
     ~grpc_machine_fixture_with_server() override = default;

tools/template/control.template

@@ -5,7 +5,7 @@ Homepage: https://docs.cartesi.io/machine/host/cmdline/
 Architecture: ARG_ARCH
 Maintainer: Machine Reference Unit <https://discord.com/channels/600597137524391947/1107965671976992878>
 Provides: machine-emulator
-Depends: libboost-context1.81.0, libboost-filesystem1.81.0, libreadline8, openssl, libc-ares2, zlib1g, ca-certificates, libgomp1, lua5.4, libcrypto++8, libprotobuf32, libgrpc++1.51
+Depends: lua5.4, libcrypto++8, libprotobuf32, libgrpc++1.51
 Section: devel
 Priority: optional
 Multi-Arch: foreign