@@ 0,0 1,97 @@
+Fixes for Boost compatibility.
+This patch comes from Gentoo:
+ portage/media-gfx/prusaslicer/files/prusaslicer-2.5.0_alpha2-boost-fixes.patch
+
+--- a/src/hints/HintsToPot.cpp
++++ b/src/hints/HintsToPot.cpp
+@@ -1,6 +1,7 @@
+ #include <iostream>
+ #include <vector>
+ #include <string>
++#include <boost/nowide/fstream.hpp>
+ #include <boost/filesystem.hpp>
+ #include <boost/dll.hpp>
+ #include <boost/property_tree/ini_parser.hpp>
+@@ -9,7 +10,7 @@
+ 
+ bool write_to_pot(boost::filesystem::path path, const std::vector<std::pair<std::string, std::string>>& data)
+ {
+-	boost::filesystem::ofstream file(std::move(path), std::ios_base::app);
++	boost::nowide::ofstream file(std::move(path), std::ios_base::app);
+ 	for (const auto& element : data)
+ 	{
+ 		//Example of .pot element 
+--- a/src/libslic3r/Preset.cpp
++++ b/src/libslic3r/Preset.cpp
+@@ -25,6 +25,7 @@
+ #include <stdexcept>
+ #include <unordered_map>
+ #include <boost/format.hpp>
++#include <boost/nowide/fstream.hpp>
+ #include <boost/filesystem.hpp>
+ #include <boost/filesystem/fstream.hpp>
+ #include <boost/algorithm/string.hpp>
+@@ -84,7 +85,7 @@ ConfigFileType guess_config_file_type(const ptree &tree)
+ VendorProfile VendorProfile::from_ini(const boost::filesystem::path &path, bool load_all)
+ {
+     ptree tree;
+-    boost::filesystem::ifstream ifs(path);
++    boost::nowide::ifstream ifs(path);
+     boost::property_tree::read_ini(ifs, tree);
+     return VendorProfile::from_ini(tree, path, load_all);
+ }
+--- a/src/slic3r/GUI/DesktopIntegrationDialog.cpp
++++ b/src/slic3r/GUI/DesktopIntegrationDialog.cpp
+@@ -10,6 +10,7 @@
+ #include "libslic3r/Platform.hpp"
+ #include "libslic3r/Config.hpp"
+ 
++#include <boost/nowide/fstream.hpp>
+ #include <boost/filesystem.hpp>
+ #include <boost/log/trivial.hpp>
+ #include <boost/dll/runtime_symbol_info.hpp>
+@@ -503,4 +504,4 @@ DesktopIntegrationDialog::~DesktopIntegrationDialog()
+ 
+ } // namespace GUI
+ } // namespace Slic3r
+-#endif // __linux__
+\ No newline at end of file
++#endif // __linux__
+--- a/src/slic3r/GUI/GUI_App.cpp
++++ b/src/slic3r/GUI/GUI_App.cpp
+@@ -13,6 +13,7 @@
+ #include <cstdlib>
+ #include <regex>
+ #include <string_view>
++#include <boost/nowide/fstream.hpp>
+ #include <boost/algorithm/string/predicate.hpp>
+ #include <boost/algorithm/string.hpp>
+ #include <boost/format.hpp>
+--- a/src/slic3r/GUI/HintNotification.cpp
++++ b/src/slic3r/GUI/HintNotification.cpp
+@@ -15,6 +15,7 @@
+ #include "libslic3r/PrintConfig.hpp"
+ 
+ #include <boost/algorithm/string/replace.hpp>
++#include <boost/nowide/fstream.hpp>
+ #include <boost/filesystem.hpp>
+ #include <boost/nowide/fstream.hpp>
+ #include <boost/log/trivial.hpp>
+@@ -65,7 +66,7 @@ inline void push_style_color(ImGuiCol idx, const ImVec4& col, bool fading_out, f
+ 
+ void write_used_binary(const std::vector<std::string>& ids)
+ {
+-	boost::filesystem::ofstream file((boost::filesystem::path(data_dir()) / "cache" / "hints.cereal"), std::ios::binary);
++	boost::nowide::ofstream file((boost::filesystem::path(data_dir()) / "cache" / "hints.cereal"), std::ios::binary);
+ 	cereal::BinaryOutputArchive archive(file);
+ 		HintsCerealData cd { ids };
+ 	try
+@@ -84,7 +85,7 @@ void read_used_binary(std::vector<std::string>& ids)
+ 		BOOST_LOG_TRIVIAL(warning) << "Failed to load to hints.cereal. File does not exists. " << path.string();
+ 		return;
+ 	}
+-	boost::filesystem::ifstream file(path);
++	boost::nowide::ifstream file(path);
+ 	cereal::BinaryInputArchive archive(file);
+ 	HintsCerealData cd;
+ 	try


@@ 0,0 1,17 @@
+This patch comes from Gentoo:
+ portage/media-gfx/prusaslicer/files/prusaslicer-2.5.0_rc1-fix-tests.patch
+
+--- a/tests/fff_print/test_data.cpp
++++ b/tests/fff_print/test_data.cpp
+@@ -4,10 +4,9 @@
+ #include "libslic3r/GCodeReader.hpp"
+ #include "libslic3r/Config.hpp"
+ #include "libslic3r/Print.hpp"
+-#include "libslic3r/Format/OBJ.hpp"
+-#include "libslic3r/Format/STL.hpp"
+
+ #include <cstdlib>
++#include <fstream>
+ #include <string>
+
+ #include <boost/nowide/cstdio.hpp>


@@ 0,0 1,52 @@
+Fix for building with cereal>=1.3.1.
+This patch comes from Gentoo:
+ portage/media-gfx/prusaslicer/files/prusaslicer-2.5.0_rc1-cereal-1.3.1.patch
+
+--- a/src/CMakeLists.txt
++++ b/src/CMakeLists.txt
+@@ -127,7 +127,7 @@
+     set_target_properties(PrusaSlicer PROPERTIES OUTPUT_NAME "prusa-slicer")
+ endif ()
+
+-target_link_libraries(PrusaSlicer libslic3r cereal)
++target_link_libraries(PrusaSlicer libslic3r libcereal)
+
+ if (APPLE)
+ #    add_compile_options(-stdlib=libc++)
+--- a/src/slic3r/CMakeLists.txt
++++ b/src/slic3r/CMakeLists.txt
+@@ -260,7 +260,7 @@
+
+ encoding_check(libslic3r_gui)
+
+-target_link_libraries(libslic3r_gui libslic3r avrdude cereal imgui GLEW::GLEW OpenGL::GL hidapi libcurl ${wxWidgets_LIBRARIES})
++target_link_libraries(libslic3r_gui libslic3r avrdude libcereal imgui GLEW::GLEW OpenGL::GL hidapi libcurl ${wxWidgets_LIBRARIES})
+
+ if (MSVC)
+     target_link_libraries(libslic3r_gui Setupapi.lib)
+--- a/src/libslic3r/CMakeLists.txt
++++ b/src/libslic3r/CMakeLists.txt
+@@ -395,7 +395,7 @@
+ target_link_libraries(libslic3r
+     libnest2d
+     admesh
+-    cereal
++    libcereal
+     libigl
+     miniz
+     boost_libs
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -446,6 +446,12 @@
+
+ # Find the Cereal serialization library
+ find_package(cereal REQUIRED)
++add_library(libcereal INTERFACE)
++if (NOT TARGET cereal::cereal)
++    target_link_libraries(libcereal INTERFACE cereal)
++else()
++    target_link_libraries(libcereal INTERFACE cereal::cereal)
++endif()
+
+ # l10n
+ set(L10N_DIR "${SLIC3R_RESOURCES_DIR}/localization")