Meta: Move library subdirectory inclusion to the Libraries CMakeLists

It makes more sense to put all the specific libraries there instead
of putting some there and some in the top level CMakeLists.

CMakeLists.txt

@@ -174,28 +174,8 @@ add_library(NoCoverage INTERFACE)
 # "install" these special targets to placate CMake
 install(TARGETS NoCoverage EXPORT LagomTargets)
 
-# AK
 add_subdirectory(AK)
-
-# LibCore dependencies
-add_subdirectory(Libraries/LibTextCodec)
-add_subdirectory(Libraries/LibUnicode)
-add_subdirectory(Libraries/LibRegex)
-add_subdirectory(Libraries/LibURL)
-
-# LibCore
-add_subdirectory(Libraries/LibCore)
-
-# LibMain
-add_subdirectory(Libraries/LibMain)
-
-# LibFileSystem
-# This is needed even if Lagom is not enabled because it is depended upon by code generators.
-add_subdirectory(Libraries/LibFileSystem)
-
-# LibIDL
-# This is used by the BindingsGenerator so needs to always be built.
-add_subdirectory(Libraries/LibIDL)
+add_subdirectory(Libraries)
 
 # Code Generators and other host tools
 if (BUILD_LAGOM_TOOLS)
@@ -218,8 +198,6 @@ compile_ipc(${LADYBIRD_SOURCE_DIR}/Services/WebContent/WebDriverServer.ipc Servi
 compile_ipc(${LADYBIRD_SOURCE_DIR}/Services/WebContent/WebUIClient.ipc Services/WebContent/WebUIClientEndpoint.h)
 compile_ipc(${LADYBIRD_SOURCE_DIR}/Services/WebContent/WebUIServer.ipc Services/WebContent/WebUIServerEndpoint.h)
 
-add_subdirectory(Libraries)
-
 if (ENABLE_FUZZERS)
     add_subdirectory(Meta/Lagom/Fuzzers)
 endif()

Libraries/CMakeLists.txt

@@ -1,3 +1,16 @@
+add_subdirectory(LibCore)
+add_subdirectory(LibFileSystem)
+add_subdirectory(LibIDL)
+add_subdirectory(LibMain)
+add_subdirectory(LibRegex)
+add_subdirectory(LibTextCodec)
+add_subdirectory(LibUnicode)
+add_subdirectory(LibURL)
+
+if (LAGOM_TOOLS_ONLY)
+    return()
+endif()
+
 add_subdirectory(LibCompress)
 add_subdirectory(LibCrypto)
 add_subdirectory(LibDatabase)