X11TK: Add Arabic/Hebrew/Farsi support by increasing font size slightly and using FriBidi. (#14134)

cmake/sdlchecks.cmake

@@ -511,6 +511,35 @@ macro(CheckX11)
   cmake_pop_check_state()
 endmacro()
 
+macro(CheckFribidi)
+  if(SDL_FRIBIDI)
+    set(FRIBIDI_PKG_CONFIG_SPEC fribidi)
+    set(PC_FRIBIDI_FOUND FALSE)
+    if(PKG_CONFIG_FOUND)
+      pkg_check_modules(PC_FRIBIDI IMPORTED_TARGET ${FRIBIDI_PKG_CONFIG_SPEC})
+    endif()
+    if(PC_FRIBIDI_FOUND)
+      set(HAVE_FRIBIDI TRUE)
+      set(HAVE_FRIBIDI_H 1)
+      sdl_sources(
+        "${SDL3_SOURCE_DIR}/src/core/unix/SDL_fribidi.c"
+        "${SDL3_SOURCE_DIR}/src/core/unix/SDL_fribidi.h"
+      )
+      if(SDL_FRIBIDI_SHARED AND NOT HAVE_SDL_LOADSO)
+        message(WARNING "You must have SDL_LoadObject() support for dynamic fribidi loading")
+      endif()
+      FindLibraryAndSONAME("fribidi" LIBDIRS ${PC_FRIBIDI_LIBRARY_DIRS})
+      if(SDL_FRIBIDI_SHARED AND FRIBIDI_LIB AND HAVE_SDL_LOADSO)
+        set(SDL_FRIBIDI_DYNAMIC "\"${FRIBIDI_LIB_SONAME}\"")
+        set(HAVE_FRIBIDI_SHARED TRUE)
+        sdl_include_directories(PRIVATE SYSTEM $<TARGET_PROPERTY:PkgConfig::PC_FRIBIDI,INTERFACE_INCLUDE_DIRECTORIES>)
+      else()
+        sdl_link_dependency(fribidi LIBS PkgConfig::PC_FRIBIDI PKG_CONFIG_PREFIX PC_FRIBIDI PKG_CONFIG_SPECS ${FRIBIDI_PKG_CONFIG_SPEC})
+      endif()
+    endif()
+  endif()
+endmacro()
+
 macro(WaylandProtocolGen _SCANNER _CODE_MODE _XML _PROTL)
     set(_WAYLAND_PROT_C_CODE "${CMAKE_CURRENT_BINARY_DIR}/wayland-generated-protocols/${_PROTL}-protocol.c")
     set(_WAYLAND_PROT_H_CODE "${CMAKE_CURRENT_BINARY_DIR}/wayland-generated-protocols/${_PROTL}-client-protocol.h")