Build: Allow efsw to be built independently of WITH_DYNAMIC_LINKING option (#30019)

(cherry picked from commit 6a5fa255fe053796588684e3876f6047cf92a08f)

4 files changed, 149 insertions, 141 deletions

diff --git a/cmake/options.cmake b/cmake/options.cmake
index 05d8e9e0d68..9233575aad5 100644
--- a/cmake/options.cmake
+++ b/cmake/options.cmake
@@ -37,6 +37,7 @@ option(TOOLS            "Build map/vmap/mmap extraction/assembler tools"
 option(USE_SCRIPTPCH    "Use precompiled headers when compiling scripts"              1)
 option(USE_COREPCH      "Use precompiled headers when compiling servers"              1)
 option(WITH_DYNAMIC_LINKING "Enable dynamic library linking."                         0)
+option(WITH_FILESYSTEM_WATCHER "Include filesystem watcher library"                   0)
 IsDynamicLinkingRequired(WITH_DYNAMIC_LINKING_FORCED)
 if(WITH_DYNAMIC_LINKING AND WITH_DYNAMIC_LINKING_FORCED)
   set(WITH_DYNAMIC_LINKING_FORCED OFF)
@@ -46,6 +47,9 @@ if(WITH_DYNAMIC_LINKING OR WITH_DYNAMIC_LINKING_FORCED)
 else()
   set(BUILD_SHARED_LIBS OFF)
 endif()
+if(WITH_FILESYSTEM_WATCHER OR BUILD_SHARED_LIBS)
+  set(BUILD_EFSW ON)
+endif()
 option(WITH_WARNINGS    "Show all warnings during compile"                            0)
 option(WITH_WARNINGS_AS_ERRORS "Treat warnings as errors"                             0)
 option(WITH_COREDEBUG   "Include additional debug-code in core"                       0)
@@ -55,8 +59,8 @@ option(COPY_CONF        "Copy authserver and worldserver .conf.dist files to the
 set(WITH_SOURCE_TREE    "hierarchical" CACHE STRING "Build the source tree for IDE's.")
 set_property(CACHE WITH_SOURCE_TREE PROPERTY STRINGS no flat hierarchical hierarchical-folders)
 option(WITHOUT_GIT      "Disable the GIT testing routines"                            0)
-option(BUILD_TESTING    "Build test suite" 0)
+option(BUILD_TESTING    "Build test suite"                                            0)
 
 if(UNIX)
-  option(USE_LD_GOLD    "Use GNU gold linker"                                        0)
+  option(USE_LD_GOLD    "Use GNU gold linker"                                         0)
 endif()
diff --git a/dep/CMakeLists.txt b/dep/CMakeLists.txt
index 234995298c8..0aa598ca464 100644
--- a/dep/CMakeLists.txt
+++ b/dep/CMakeLists.txt
@@ -31,10 +31,13 @@ if(SERVERS)
   add_subdirectory(readline)
   add_subdirectory(gsoap)
   add_subdirectory(rapidjson)
-  add_subdirectory(efsw)
   add_subdirectory(protobuf)
 endif()
 
+if(SERVERS AND BUILD_EFSW)
+  add_subdirectory(efsw)
+endif()
+
 if(TOOLS)
   add_subdirectory(CascLib)
 endif()
diff --git a/dep/efsw/CMakeLists.txt b/dep/efsw/CMakeLists.txt
index aba29c55905..2e6da4168ea 100644
--- a/dep/efsw/CMakeLists.txt
+++ b/dep/efsw/CMakeLists.txt
@@ -1,154 +1,150 @@
-if (BUILD_SHARED_LIBS)
-  add_library(efsw STATIC)
+add_library(efsw STATIC)
 
-  if(WIN32)
-    set(efsw_platform_dir "win")
-  else()
-    set(efsw_platform_dir "posix")
-  endif()
+if(WIN32)
+  set(efsw_platform_dir "win")
+else()
+  set(efsw_platform_dir "posix")
+endif()
+
+target_sources(efsw
+  PRIVATE
+    src/efsw/Debug.cpp
+    src/efsw/DirectorySnapshot.cpp
+    src/efsw/DirectorySnapshotDiff.cpp
+    src/efsw/DirWatcherGeneric.cpp
+    src/efsw/FileInfo.cpp
+    src/efsw/FileSystem.cpp
+    src/efsw/FileWatcher.cpp
+    src/efsw/FileWatcherCWrapper.cpp
+    src/efsw/FileWatcherGeneric.cpp
+    src/efsw/FileWatcherImpl.cpp
+    src/efsw/Log.cpp
+    src/efsw/String.cpp
+    src/efsw/System.cpp
+    src/efsw/Watcher.cpp
+    src/efsw/WatcherGeneric.cpp
+    src/efsw/platform/${efsw_platform_dir}/FileSystemImpl.cpp
+    src/efsw/platform/${efsw_platform_dir}/SystemImpl.cpp)
+
+target_sources(efsw
+  PUBLIC
+    FILE_SET HEADERS
+    BASE_DIRS include
+    FILES
+      include/efsw/efsw.h
+      include/efsw/efsw.hpp)
 
+target_sources(efsw
+  PRIVATE
+    FILE_SET efsw_private_headers
+    TYPE HEADERS
+    BASE_DIRS src
+    FILES
+      src/efsw/Atomic.hpp
+      src/efsw/base.hpp
+      src/efsw/Debug.hpp
+      src/efsw/DirectorySnapshot.hpp
+      src/efsw/DirectorySnapshotDiff.hpp
+      src/efsw/DirWatcherGeneric.hpp
+      src/efsw/FileInfo.hpp
+      src/efsw/FileSystem.hpp
+      src/efsw/FileWatcherGeneric.hpp
+      src/efsw/FileWatcherImpl.hpp
+      src/efsw/Lock.hpp
+      src/efsw/Mutex.hpp
+      src/efsw/sophist.h
+      src/efsw/String.hpp
+      src/efsw/System.hpp
+      src/efsw/Thread.hpp
+      src/efsw/Utf.hpp
+      src/efsw/Watcher.hpp
+      src/efsw/WatcherGeneric.hpp
+      src/efsw/platform/platformimpl.hpp
+      src/efsw/platform/${efsw_platform_dir}/FileSystemImpl.hpp
+      src/efsw/platform/${efsw_platform_dir}/SystemImpl.hpp)
+
+if (APPLE)
   target_sources(efsw
     PRIVATE
-      src/efsw/Debug.cpp
-      src/efsw/DirectorySnapshot.cpp
-      src/efsw/DirectorySnapshotDiff.cpp
-      src/efsw/DirWatcherGeneric.cpp
-      src/efsw/FileInfo.cpp
-      src/efsw/FileSystem.cpp
-      src/efsw/FileWatcher.cpp
-      src/efsw/FileWatcherCWrapper.cpp
-      src/efsw/FileWatcherGeneric.cpp
-      src/efsw/FileWatcherImpl.cpp
-      src/efsw/Log.cpp
-      src/efsw/String.cpp
-      src/efsw/System.cpp
-      src/efsw/Watcher.cpp
-      src/efsw/WatcherGeneric.cpp
-      src/efsw/platform/${efsw_platform_dir}/FileSystemImpl.cpp
-      src/efsw/platform/${efsw_platform_dir}/SystemImpl.cpp)
-
+      src/efsw/FileWatcherFSEvents.cpp
+      src/efsw/FileWatcherKqueue.cpp
+      src/efsw/WatcherFSEvents.cpp
+      src/efsw/WatcherKqueue.cpp)
   target_sources(efsw
-    PUBLIC
-      FILE_SET HEADERS
-      BASE_DIRS include
+    PRIVATE
+      FILE_SET efsw_private_headers
+      TYPE HEADERS
+      BASE_DIRS src
       FILES
-        include/efsw/efsw.h
-        include/efsw/efsw.hpp)
-
+        src/efsw/FileWatcherFSEvents.hpp
+        src/efsw/FileWatcherKqueue.hpp
+        src/efsw/WatcherFSEvents.hpp
+        src/efsw/WatcherKqueue.hpp)
+  target_link_libraries(efsw
+    PRIVATE
+      $<LINK_LIBRARY:FRAMEWORK,CoreFoundation>
+      $<LINK_LIBRARY:FRAMEWORK,CoreServices>)
+elseif (WIN32)
+  target_sources(efsw
+    PRIVATE
+      src/efsw/FileWatcherWin32.cpp
+      src/efsw/WatcherWin32.cpp)
   target_sources(efsw
     PRIVATE
       FILE_SET efsw_private_headers
       TYPE HEADERS
       BASE_DIRS src
       FILES
-        src/efsw/Atomic.hpp
-        src/efsw/base.hpp
-        src/efsw/Debug.hpp
-        src/efsw/DirectorySnapshot.hpp
-        src/efsw/DirectorySnapshotDiff.hpp
-        src/efsw/DirWatcherGeneric.hpp
-        src/efsw/FileInfo.hpp
-        src/efsw/FileSystem.hpp
-        src/efsw/FileWatcherGeneric.hpp
-        src/efsw/FileWatcherImpl.hpp
-        src/efsw/Lock.hpp
-        src/efsw/Mutex.hpp
-        src/efsw/sophist.h
-        src/efsw/String.hpp
-        src/efsw/System.hpp
-        src/efsw/Thread.hpp
-        src/efsw/Utf.hpp
-        src/efsw/Watcher.hpp
-        src/efsw/WatcherGeneric.hpp
-        src/efsw/platform/platformimpl.hpp
-        src/efsw/platform/${efsw_platform_dir}/FileSystemImpl.hpp
-        src/efsw/platform/${efsw_platform_dir}/SystemImpl.hpp)
-
-  if (APPLE)
-    target_sources(efsw
-      PRIVATE
-        src/efsw/FileWatcherFSEvents.cpp
-        src/efsw/FileWatcherKqueue.cpp
-        src/efsw/WatcherFSEvents.cpp
-        src/efsw/WatcherKqueue.cpp)
-    target_sources(efsw
-      PRIVATE
-        FILE_SET efsw_private_headers
-        TYPE HEADERS
-        BASE_DIRS src
-        FILES
-          src/efsw/FileWatcherFSEvents.hpp
-          src/efsw/FileWatcherKqueue.hpp
-          src/efsw/WatcherFSEvents.hpp
-          src/efsw/WatcherKqueue.hpp)
-    target_link_libraries(efsw
-      PRIVATE
-        $<LINK_LIBRARY:FRAMEWORK,CoreFoundation>
-        $<LINK_LIBRARY:FRAMEWORK,CoreServices>)
-  elseif (WIN32)
-    target_sources(efsw
-      PRIVATE
-        src/efsw/FileWatcherWin32.cpp
-        src/efsw/WatcherWin32.cpp)
-    target_sources(efsw
-      PRIVATE
-        FILE_SET efsw_private_headers
-        TYPE HEADERS
-        BASE_DIRS src
-        FILES
-          src/efsw/FileWatcherWin32.hpp
-          src/efsw/WatcherWin32.hpp)
-  elseif (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
-    target_sources(efsw
-      PRIVATE
-        src/efsw/FileWatcherInotify.cpp
-        src/efsw/WatcherInotify.cpp)
-    target_sources(efsw
-      PRIVATE
-        FILE_SET efsw_private_headers
-        TYPE HEADERS
-        BASE_DIRS src
-        FILES
-          src/efsw/FileWatcherInotify.hpp
-          src/efsw/WatcherInotify.hpp)
-    find_path(EFSW_INOTIFY_H
-      NAMES
-        sys/inotify.h
-      NO_CACHE
+        src/efsw/FileWatcherWin32.hpp
+        src/efsw/WatcherWin32.hpp)
+elseif (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
+  target_sources(efsw
+    PRIVATE
+      src/efsw/FileWatcherInotify.cpp
+      src/efsw/WatcherInotify.cpp)
+  target_sources(efsw
+    PRIVATE
+      FILE_SET efsw_private_headers
+      TYPE HEADERS
+      BASE_DIRS src
+      FILES
+        src/efsw/FileWatcherInotify.hpp
+        src/efsw/WatcherInotify.hpp)
+  find_path(EFSW_INOTIFY_H
+    NAMES
+      sys/inotify.h
+    NO_CACHE
+  )
+  if (EFSW_INOTIFY_H STREQUAL "EFSW_INOTIFY_H-NOTFOUND")
+    list (APPEND EFSW_CPP_SOURCE
+      src/efsw/inotify-nosys.h
     )
-    if (EFSW_INOTIFY_H STREQUAL "EFSW_INOTIFY_H-NOTFOUND")
-      list (APPEND EFSW_CPP_SOURCE
-        src/efsw/inotify-nosys.h
-      )
-      target_compile_definitions(efsw
-        PRIVATE
-          EFSW_INOTIFY_NOSYS)
-    endif()
-  elseif (${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
-    target_sources(efsw
-      PRIVATE
-        src/efsw/FileWatcherKqueue.cpp
-        src/efsw/WatcherKqueue.cpp)
-    target_sources(efsw
+    target_compile_definitions(efsw
       PRIVATE
-        FILE_SET efsw_private_headers
-        TYPE HEADERS
-        BASE_DIRS src
-        FILES
-          src/efsw/FileWatcherKqueue.hpp
-          src/efsw/WatcherKqueue.hpp)
+        EFSW_INOTIFY_NOSYS)
   endif()
-
-  target_link_libraries(efsw
+elseif (${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
+  target_sources(efsw
+    PRIVATE
+      src/efsw/FileWatcherKqueue.cpp
+      src/efsw/WatcherKqueue.cpp)
+  target_sources(efsw
     PRIVATE
-      trinity-dependency-interface
-    PUBLIC
-      threads)
+      FILE_SET efsw_private_headers
+      TYPE HEADERS
+      BASE_DIRS src
+      FILES
+        src/efsw/FileWatcherKqueue.hpp
+        src/efsw/WatcherKqueue.hpp)
+endif()
+
+target_link_libraries(efsw
+  PRIVATE
+    trinity-dependency-interface
+  PUBLIC
+    threads)
 
-  set_target_properties(efsw
-    PROPERTIES
-      FOLDER
-        "dep")
-else ()
-  add_library(efsw INTERFACE IMPORTED GLOBAL)
-endif ()
+set_target_properties(efsw
+  PROPERTIES
+    FOLDER
+      "dep")
diff --git a/src/server/game/CMakeLists.txt b/src/server/game/CMakeLists.txt
index ab35bd74d94..3236af94485 100644
--- a/src/server/game/CMakeLists.txt
+++ b/src/server/game/CMakeLists.txt
@@ -44,10 +44,15 @@ target_include_directories(game
 target_link_libraries(game
   PRIVATE
     trinity-core-interface
-    efsw
   PUBLIC
     game-interface)
 
+if(TARGET efsw)
+  target_link_libraries(game
+    PRIVATE
+      efsw)
+endif()
+
 set_target_properties(game
   PROPERTIES
     COMPILE_WARNING_AS_ERROR ${WITH_WARNINGS_AS_ERRORS}