diff --git a/toonz/cmake/FindSuperLU.cmake b/toonz/cmake/FindSuperLU.cmake
index e9ca2a0..e3c3447 100644
--- a/toonz/cmake/FindSuperLU.cmake
+++ b/toonz/cmake/FindSuperLU.cmake
@@ -1,13 +1,37 @@
-# preferred homebrew's directories.
+
+if(WITH_SYSTEM_SUPERLU)
+    # depend on CMake's defaults
+    set(_header_hints)
+    set(_header_suffixes
+        superlu
+    )
+    set(_lib_suffixes)
+else()
+    # preferred homebrew's directories.
+    set(_header_hints
+        ${THIRDPARTY_LIBS_HINTS}
+    )
+    set(_header_suffixes
+        superlu43/4.3_1/include/superlu
+        superlu/SuperLU_4.1/include
+    )
+    set(_lib_hints
+        ${THIRDPARTY_LIBS_HINTS}
+    )
+    set(_lib_suffixes
+        lzo/2.09/lib
+        lzo/2.03/lib/LZO_lib
+    )
+endif()
+
 find_path(
     SUPERLU_INCLUDE_DIR
     NAMES
         slu_Cnames.h
     HINTS
-        ${THIRDPARTY_LIBS_HINTS}
+        ${_header_hints}
     PATH_SUFFIXES
-        superlu43/4.3_1/include/superlu
-        superlu/SuperLU_4.1/include
+        ${_header_suffixes}
 )
 
 find_library(
@@ -17,10 +41,9 @@ find_library(
         libsuperlu.a
         libsuperlu_4.1.a
     HINTS
-        ${THIRDPARTY_LIBS_HINTS}
+        ${_lib_hints}
     PATH_SUFFIXES
-        superlu43/4.3_1/lib
-        superlu
+        ${_lib_suffixes}
 )
 
 message("***** SuperLU Header path:" ${SUPERLU_INCLUDE_DIR})
@@ -40,3 +63,8 @@ mark_as_advanced(
     SUPERLU_LIBRARY
     SUPERLU_INCLUDE_DIR
 )
+
+unset(_header_hints)
+unset(_header_suffixes)
+unset(_lib_hints)
+unset(_lib_suffixes)
diff --git a/toonz/sources/CMakeLists.txt b/toonz/sources/CMakeLists.txt
index 7a82659..54e172b 100644
--- a/toonz/sources/CMakeLists.txt
+++ b/toonz/sources/CMakeLists.txt
@@ -37,10 +37,13 @@ option_defaults_init(
 # customize...
 if(WIN32)
     set(_init_SYSTEM_LZO                     OFF)
+    set(_init_SYSTEM_SUPERLU                 OFF)
 elseif(APPLE)
     set(_init_SYSTEM_LZO                     OFF)
+    set(_init_SYSTEM_SUPERLU                 OFF)
 elseif(UNIX)
     set(_init_SYSTEM_LZO                     ON)
+    set(_init_SYSTEM_SUPERLU                 ON)
 endif()
 
 
@@ -48,6 +51,7 @@ endif()
 # Build Options
 
 option(WITH_SYSTEM_LZO "Use the system LZO library instead of 'thirdpary'" ${_init_SYSTEM_LZO})
+option(WITH_SYSTEM_SUPERLU "Use the system SuperLU library instead of 'thirdpary'" ${_init_SYSTEM_SUPERLU})
 
 # avoid using again
 option_defaults_clear()