diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5c8cd2a8..e25dbbff 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -801,10 +801,10 @@ if(STATIC_BUILD_DO_NOT_USE)
   add_link_options(-static -static-libgcc)
 endif(STATIC_BUILD_DO_NOT_USE)
 
-add_library(mkdwarfs_main src/mkdwarfs_main.cpp)
-add_library(dwarfsck_main src/dwarfsck_main.cpp)
-add_library(dwarfsbench_main src/dwarfsbench_main.cpp)
-add_library(dwarfsextract_main src/dwarfsextract_main.cpp)
+add_library(mkdwarfs_main OBJECT src/mkdwarfs_main.cpp)
+add_library(dwarfsck_main OBJECT src/dwarfsck_main.cpp)
+add_library(dwarfsbench_main OBJECT src/dwarfsbench_main.cpp)
+add_library(dwarfsextract_main OBJECT src/dwarfsextract_main.cpp)
 
 add_executable(mkdwarfs src/mkdwarfs.cpp)
 add_executable(dwarfsck src/dwarfsck.cpp)
diff --git a/cmake/thrift_library.cmake b/cmake/thrift_library.cmake
index dc6277a9..5a29ccc6 100644
--- a/cmake/thrift_library.cmake
+++ b/cmake/thrift_library.cmake
@@ -132,7 +132,7 @@ function(add_cpp2_thrift_library idlfile)
   endif()
 
   if(NOT _THRIFT_NO_LIBRARY)
-    add_library(${_THRIFT_TARGET} ${_THRIFT_LIB_SRC})
+    add_library(${_THRIFT_TARGET} OBJECT ${_THRIFT_LIB_SRC})
     target_include_directories(${_THRIFT_TARGET} PUBLIC
         ${CMAKE_CURRENT_BINARY_DIR}/thrift
         ${_THRIFT_GENERATED_DIR}/thrift