gnu: aegisub: Fix build.

* gnu/packages/patches/aegisub-boost81.patch: New patch.
* gnu/packages/video.scm (aegisub)[source]: Add it.
* gnu/local.mk (dist_patch_DATA): Register patch.

Change-Id: I0249944bf1bd9fc5a303c44c92b0b4c3e01da14b

gnu/local.mk

@@ -935,6 +935,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/aegis-test-fixup-2.patch            	\
   %D%/packages/patches/aegisub-icu59-include-unistr.patch	\
   %D%/packages/patches/aegisub-boost68.patch			\
+  %D%/packages/patches/aegisub-boost81.patch			\
   %D%/packages/patches/aegisub-make43.patch			\
   %D%/packages/patches/agda-categories-remove-incompatible-flags.patch	\
   %D%/packages/patches/agda-categories-use-find.patch	\

gnu/packages/patches/aegisub-boost81.patch

@@ -0,0 +1,62 @@
+Source: https://gitlab.archlinux.org/archlinux/packaging/packages/aegisub/-/blob/main/boost-1.81.0.patch
+From 12e1e5ee64afb7cfb5a43a998774642bc1eeede6 Mon Sep 17 00:00:00 2001
+From: Evangelos Foutras <foutrelis@archlinux.org>
+Date: Sat, 21 Jan 2023 18:00:10 +0000
+Subject: [PATCH] Fix build with boost 1.81.0
+---
+diff --git a/libaegisub/include/libaegisub/lua/utils.h b/libaegisub/include/libaegisub/lua/utils.h
+index c5a65d6e4..f4921d582 100644
+--- a/libaegisub/include/libaegisub/lua/utils.h
++++ b/libaegisub/include/libaegisub/lua/utils.h
+@@ -87,7 +87,10 @@ int exception_wrapper(lua_State *L) {
+
+ template<typename T>
+ void set_field(lua_State *L, const char *name, T value) {
+-	push_value(L, value);
++	if constexpr(std::is_convertible<T, std::string>::value)
++            push_value(L, static_cast<std::string>(value));
++	else
++            push_value(L, value);
+ 	lua_setfield(L, -2, name);
+ }
+
+diff --git a/src/auto4_lua.cpp b/src/auto4_lua.cpp
+index 245689679..6d479b2c3 100644
+--- a/src/auto4_lua.cpp
++++ b/src/auto4_lua.cpp
+@@ -115,7 +115,8 @@ namespace {
+ 	int get_translation(lua_State *L)
+ 	{
+ 		wxString str(check_wxstring(L, 1));
+-		push_value(L, _(str).utf8_str());
++		const char* val = static_cast<const char*>( _(str).utf8_str());
++		push_value(L, val);
+ 		return 1;
+ 	}
+
+diff --git a/src/command/video.cpp b/src/command/video.cpp
+index fb2bcb0ba..77e3e9ca7 100644
+--- a/src/command/video.cpp
++++ b/src/command/video.cpp
+@@ -475,7 +475,7 @@ static void save_snapshot(agi::Context *c, bool raw) {
+ 		// If where ever that is isn't defined, we can't save there
+ 		if ((basepath == "\\") || (basepath == "/")) {
+ 			// So save to the current user's home dir instead
+-			basepath = wxGetHomeDir().c_str();
++			basepath = static_cast<const char*>(wxGetHomeDir().c_str());
+ 		}
+ 	}
+ 	// Actual fixed (possibly relative) path, decode it
+diff --git a/src/dialog_attachments.cpp b/src/dialog_attachments.cpp
+index 38ff53027..e30339f81 100644
+--- a/src/dialog_attachments.cpp
++++ b/src/dialog_attachments.cpp
+@@ -161,7 +161,7 @@ void DialogAttachments::OnExtract(wxCommandEvent &) {
+
+ 	// Multiple or single?
+ 	if (listView->GetNextSelected(i) != -1)
+-		path = wxDirSelector(_("Select the path to save the files to:"), to_wx(OPT_GET("Path/Fonts Collector Destination")->GetString())).c_str();
++		path = static_cast<const char*>(wxDirSelector(_("Select the path to save the files to:"), to_wx(OPT_GET("Path/Fonts Collector Destination")->GetString())).c_str());
+ 	else {
+ 		path = SaveFileSelector(
+ 			_("Select the path to save the file to:"),

gnu/packages/video.scm

@@ -5428,7 +5428,8 @@ programmers to access a standard API to open and decompress media files.")
                 "11b83qazc8h0iidyj1rprnnjdivj1lpphvpa08y53n42bfa36pn5"))
               (patches (search-patches "aegisub-icu59-include-unistr.patch"
                                        "aegisub-make43.patch"
-                                       "aegisub-boost68.patch"))))
+                                       "aegisub-boost68.patch"
+                                       "aegisub-boost81.patch"))))
     (build-system gnu-build-system)
     (arguments
      `(#:configure-flags