Rework Tor bundling

cmake/TorQrcGenerator.cmake

@@ -0,0 +1,19 @@
+if (TOR_DIR)
+    FILE(GLOB TOR_FILES LIST_DIRECTORIES false ${TOR_DIR}/*)
+
+    foreach(FILE ${TOR_FILES})
+        cmake_path(GET FILE FILENAME FILE_REL)
+        list(APPEND QRC_LIST "        <file>assets/tor/${FILE_REL}</file>")
+
+        if (FILE_REL STREQUAL "tor" OR FILE_REL STREQUAL "tor.exe")
+            set(TOR_BIN_FOUND 1)
+        endif()
+    endforeach()
+
+    if (NOT TOR_BIN_FOUND)
+        message(FATAL_ERROR "TOR_DIR was specified but the Tor binary could not be found")
+    endif()
+endif()
+
+list(JOIN QRC_LIST "\n" QRC_DATA)
+configure_file("cmake/assets_tor.qrc" "${CMAKE_CURRENT_SOURCE_DIR}/src/assets_tor.qrc")

cmake/assets_tor.qrc

@@ -0,0 +1,5 @@
+<!DOCTYPE RCC><RCC version="1.0">
+    <qresource prefix="/">
+@QRC_DATA@
+    </qresource>
+</RCC>