diff --git a/CMakeLists.txt b/CMakeLists.txt
index b3a5a8d..cbb6d37 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -44,19 +44,19 @@ enable_testing()
 # CONFIGS
 ###############################################################################
 
-set(STACK_DETAILS_BACKTRACE_SYMBOL FALSE CACHE BOOL "Use backtrace symbol")
-set(STACK_DETAILS_DW FALSE CACHE BOOL "Use libdw")
-set(STACK_DETAILS_BFD FALSE CACHE BOOL "Use libbfd")
+set(STACK_DETAILS_BACKTRACE_SYMBOL FALSE)
+set(STACK_DETAILS_DW FALSE)
+set(STACK_DETAILS_BFD FALSE)
 
-set(STACK_WALKING_UNWIND TRUE CACHE BOOL "Use unwind for stack walking")
-set(STACK_WALKING_BACKTRACE FALSE CACHE BOOL "Use backtrace for stack walking")
+set(STACK_WALKING_UNWIND FALSE)
+set(STACK_WALKING_BACKTRACE FALSE)
 
 find_library(BACKWARD_LIBDW_PATH dw)
 find_library(BACKWARD_LIBBFD_PATH bfd)
-if(NOT BACKWARD_LIBDW_PATH STREQUAL "BACKWARD_LIBDW_PATH-NOTFOUND")
+if(NOT (BACKWARD_LIBDW_PATH STREQUAL "BACKWARD_LIBDW_PATH-NOTFOUND" OR BACKWARD_LIBDW_PATH STREQUAL ""))
 	set(STACK_DETAILS_DW TRUE)
 	list(APPEND backward_LIBRARIES ${BACKWARD_LIBDW_PATH})
-elseif(NOT BACKWARD_LIBBFD_PATH STREQUAL "BACKWARD_LIBBFD_PATH-NOTFOUND")
+elseif(NOT (BACKWARD_LIBBFD_PATH STREQUAL "BACKWARD_LIBBFD_PATH-NOTFOUND" OR BACKWARD_LIBBFD_PATH STREQUAL ""))
 	set(STACK_DETAILS_BFD TRUE)
 	list(APPEND backward_LIBRARIES ${BACKWARD_LIBBFD_PATH})
 else()
@@ -65,7 +65,7 @@ else()
 endif()
 
 find_library(BACKWARD_LIBUNWIND_PATH unwind)
-if(NOT BACKWARD_LIBUNWIND_PATH STREQUAL "BACKWARD_LIBUNWIND_PATH-NOTFOUND")
+if(NOT (BACKWARD_LIBUNWIND_PATH STREQUAL "BACKWARD_LIBUNWIND_PATH-NOTFOUND" OR BACKWARD_LIBUNWIND_PATH STREQUAL ""))
 	set(STACK_WALKING_UNWIND TRUE)
 	list(APPEND backward_LIBRARIES ${BACKWARD_LIBUNWIND_PATH})
 else()