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
u/build/hurd-boot.scm (set-hurd-device-translators): Setup translators for
netdde, eth{0,1}.  Create /servers/socket/{inet,inet6} symlinks.

Signed-off-by: Josselin Poiret &lt;dev@jpoiret.xyz&gt;
</span></span></td><td>Janneke Nieuwenhuizen</td></tr>
<tr><td><span title='2023-07-13 18:58:58 +0200'>2023-07-13</span></td><td><a href='/guix/commit/gnu/build/hurd-boot.scm?id=fe873fb417258e66d74d416745bdc1bfd7f0eba4'>hurd-boot: Setup pci-arbiter and rumpdisk translators.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/build/hurd-boot.scm (make-hurd-device-nodes): Create "servers/bus/pci.
(set-hurd-device-translators): Create transators for pci-arbiter, rumpdisk,
and /dev/wd0..3s1..4.

Signed-off-by: Josselin Poiret &lt;dev@jpoiret.xyz&gt;
</span></span></td><td>Janneke Nieuwenhuizen</td></tr>
<tr><td><span title='2023-05-17 22:26:06 +0200'>2023-05-17</span></td><td><a href='/guix/commit/gnu/build/hurd-boot.scm?id=e041801e615d9194505d30093a7fdc8ac1d4a929'>hurd-boot: Symlink /hurd before setting up translators.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/build/hurd-boot.scm (boot-hurd-system): Symlink /hurd before setting up
translators.

Reviewed-by: Janneke Nieuwenhuizen &lt;janneke@gnu.org&gt;
</span></span></td><td>Josselin Poiret</td></tr>
<tr><td><span title='2022-12-24 00:45:47 +0100'>2022-12-24</span></td><td><a href='/guix/commit/gnu/build/hurd-boot.scm?id=69fc67b6bbd84bae2dfda1dcfc667946a368298a'>hurd-boot: Fix list of devices with translators.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes a regression introduced in
450f7740283ce160a7482d1c75e6e0ab17f2a6f0 and
e3c6575ee93741a43003cd1aa4663151dd90b9f5, which introduced
unquote-splicing without changing quote to quasiquote.

* gnu/build/hurd-boot.scm (set-hurd-device-translators)[devices]: Use
quasiquote, note quote.
</span></span></td><td>Ludovic Courtès</td></tr>