diff --git a/CMakeLists.txt b/CMakeLists.txt
index f183a22..fc18e0d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@ list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
 set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-set(RBF_CPP_FLAGS "-pthread -std=c++11 -W -Wall -Wextra -Wpointer-arith -Wunused -Wwrite-strings -openmp -Wno-unknown-pragmas -Wno-unused-function -O3")
+set(RBF_CPP_FLAGS "-pthread -std=c++11 -W -Wall -Wextra -Wpointer-arith -Wunused -Wwrite-strings -openmp -Wno-unknown-pragmas -Wno-unused-function -O3 -fPIC")
 #set(WARN_ALL_THINGS "-fdiagnostics-color=always -Wall -Wcast-align -Wcast-qual -Wconversion -Wctor-dtor-privacy -Wdisabled-optimization -Wdouble-promotion -Wextra -Wformat=2 -Winit-self -Wlogical-op -Wmissing-declarations -Wmissing-include-dirs -Wno-sign-conversion -Wnoexcept -Wold-style-cast -Woverloaded-virtual -Wpedantic -Wredundant-decls -Wshadow -Wstrict-aliasing=1 -Wstrict-null-sentinel -Wstrict-overflow=5 -Wswitch-default -Wundef -Wno-unknown-pragmas -Wuseless-cast") 
 
 #set(WARN_ALL_THINGS "-fdiagnostics-color=always -Wall -Wcast-align -Wcast-qual -Wconversion -Wctor-dtor-privacy -Wdisabled-optimization -Wdouble-promotion -Wduplicated-branches -Wduplicated-cond -Wextra -Wformat=2 -Winit-self -Wlogical-op -Wmissing-declarations -Wmissing-include-dirs -Wno-sign-conversion -Wnoexcept -Wnull-dereference -Wold-style-cast -Woverloaded-virtual -Wpedantic -Wredundant-decls -Wrestrict -Wshadow -Wstrict-aliasing=1 -Wstrict-null-sentinel -Wstrict-overflow=5 -Wswitch-default -Wundef -Wno-unknown-pragmas -Wuseless-cast") 
@@ -17,7 +17,7 @@ set(RBF_CPP_FLAGS "-pthread -std=c++11 -W -Wall -Wextra -Wpointer-arith -Wunused
 #set(OPT_FLAGS "-O3 -g -ffast-math -fPIC -funroll-loops -mmmx -msse -msse2 -msse3 -msse4 -msse4.2 -march=native -fno-strict-aliasing")
 #set(OPT_FLAGS "-fprofile-generate -O3 -DNDEBUG -funroll-loops -mmmx -msse -msse2 -msse3 -msse4 -msse4.2 -march=native -fno-strict-aliasing")
 #set(OPT_FLAGS "-fprofile-use -fprofile-correction -O3 -DNDEBUG -funroll-loops -mmmx -msse -msse2 -msse3 -msse4 -msse4.2 -march=native -fno-strict-aliasing")
-set(DEBUG_FLAGS "-pg -g -gstabs")
+set(DEBUG_FLAGS "-g")
 
 set(RBF_CPP_FLAGS "${KSW_FLAGS} ${DEBUG_FLAGS} ${RBF_CPP_FLAGS} ${OPT_FLAGS}")