[gn] port c3a302d (SymbolLocator) more

I forgot that lldb/source/Plugins/CMakeLists.txt implicitly builds
all enums via LLDB_ENUM_PLUGINS / Plugins.def.in.

Now the GN build does this for the SymbolLocator plugins too.

(Also fix some minor stuff now that they actually build.)

Author: nico

llvm/utils/gn/secondary/lldb/source/Plugins/BUILD.gn

@@ -160,12 +160,22 @@ lldb_plugins += [
     "//lldb/source/Plugins/SymbolFile/Symtab",
     "SymbolFileSymtab",
   ],
+  [
+    "//lldb/source/Plugins/SymbolLocator/Default",
+    "SymbolLocatorDefault",
+  ],
 ]
 if (current_os == "mac") {
-  lldb_plugins += [ [
-        "//lldb/source/Plugins/SymbolVendor/MacOSX",
-        "SymbolVendorMacOSX",
-      ] ]
+  lldb_plugins += [
+    [
+      "//lldb/source/Plugins/SymbolLocator/DebugSymbols",
+      "SymbolLocatorDebugSymbols",
+    ],
+    [
+      "//lldb/source/Plugins/SymbolVendor/MacOSX",
+      "SymbolVendorMacOSX",
+    ],
+  ]
 }
 lldb_plugins += [
   [

llvm/utils/gn/secondary/lldb/source/Plugins/SymbolLocator/DebugSymbols/BUILD.gn

@@ -1,11 +1,13 @@
 static_library("DebugSymbols") {
-  output_name = "lldbPluginSymbolLocatorDebugSymbols "
+  output_name = "lldbPluginSymbolLocatorDebugSymbols"
   configs += [ "//llvm/utils/gn/build:lldb_code" ]
   deps = [
     "//lldb/source/Core",
     "//lldb/source/Host",
     "//lldb/source/Symbol",
   ]
 
+  # Reaches into Plugins/ObjectFile/wasm.
+  include_dirs = [ "//lldb/source" ]
   sources = [ "SymbolLocatorDebugSymbols.cpp" ]
 }

llvm/utils/gn/secondary/lldb/source/Plugins/SymbolLocator/Default/BUILD.gn

@@ -1,11 +1,13 @@
-static_library("DebugSymbols") {
-  output_name = "lldbPluginSymbolLocatorDefault "
+static_library("Default") {
+  output_name = "lldbPluginSymbolLocatorDefault"
   configs += [ "//llvm/utils/gn/build:lldb_code" ]
   deps = [
     "//lldb/source/Core",
     "//lldb/source/Host",
     "//lldb/source/Symbol",
   ]
 
+  # Reaches into Plugins/ObjectFile/wasm.
+  include_dirs = [ "//lldb/source" ]
   sources = [ "SymbolLocatorDefault.cpp" ]
 }