From ce8bbc196f12ebcfc180e9ab546e9a395afceb88 Mon Sep 17 00:00:00 2001
From: marty1885 <marty188586@gmail.com>
Date: Tue, 26 Oct 2021 08:37:21 +0800
Subject: [PATCH] make sure resolvers are added when C-Ares is manually
 disabled

---
 CMakeLists.txt | 37 +++++++++++++++++++++----------------
 1 file changed, 21 insertions(+), 16 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 49872ef..ade3fe3 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -131,26 +131,31 @@ if(OpenSSL_FOUND)
   target_compile_definitions(${PROJECT_NAME} PRIVATE USE_OPENSSL)
 endif()
 
+set(HAVE_C-ARES NO)
 if (BUILD_C-ARES)
     find_package(c-ares)
     if(c-ares_FOUND)
       message(STATUS "c-ares found!")
-      target_link_libraries(${PROJECT_NAME} PRIVATE c-ares_lib)
-      set(TRANTOR_SOURCES
-          ${TRANTOR_SOURCES}
-          trantor/net/inner/AresResolver.cc)
-      set(private_headers
-          ${private_headers}
-          trantor/net/inner/AresResolver.h)
-    else(c-ares_FOUND)
-      set(TRANTOR_SOURCES
-          ${TRANTOR_SOURCES}
-          trantor/net/inner/NormalResolver.cc)
-      set(private_headers
-          ${private_headers}
-          trantor/net/inner/NormalResolver.h)
-    endif(c-ares_FOUND)
-endif (BUILD_C-ARES)
+      set(HAVE_C-ARES TRUE)
+    endif()
+endif ()
+
+if(HAVE_C-ARES)
+  target_link_libraries(${PROJECT_NAME} PRIVATE c-ares_lib)
+  set(TRANTOR_SOURCES
+      ${TRANTOR_SOURCES}
+      trantor/net/inner/AresResolver.cc)
+  set(private_headers
+      ${private_headers}
+      trantor/net/inner/AresResolver.h)
+else()
+  set(TRANTOR_SOURCES
+      ${TRANTOR_SOURCES}
+      trantor/net/inner/NormalResolver.cc)
+  set(private_headers
+      ${private_headers}
+      trantor/net/inner/NormalResolver.h)
+endif()
 
 find_package(Threads)
 target_link_libraries(${PROJECT_NAME} PUBLIC Threads::Threads)