diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0b80890cb..ff4b9ceee 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,7 +37,7 @@ if(WIN32)
     add_subdirectory(deps/dlfcn-win32/src ${CMAKE_BINARY_DIR}/dlfcn-win32)
 endif()
 
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D__STDC_FORMAT_MACROS  -std=gnu++17")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D__STDC_FORMAT_MACROS  -fPIC -std=gnu++17")
 
 
 ##########
@@ -162,7 +162,7 @@ list(APPEND CMAKE_MODULE_PATH ${LLVM_LIBRARY_DIR}/cmake/mlir)
 include(TableGen) # required by AddMLIR
 include(AddLLVM)
 include(AddMLIR)
-include(HandleLLVMOptions) # human-friendly error message
+# include(HandleLLVMOptions) # human-friendly error message
 
 include_directories(${MLIR_INCLUDE_DIRS})
 include_directories(${PROJECT_SOURCE_DIR}/include)
@@ -174,18 +174,15 @@ add_subdirectory(lib)
 
 add_library(triton SHARED ${PYTHON_SRC})
 
-find_package(PythonLibs REQUIRED)
+# find_package(PythonLibs REQUIRED)
 
 target_link_libraries(triton
+  ${PYTHON_LIBRARIES}
   TritonIR
   TritonDriver
-  # TritonCodeGen
-
   # optimizations
   MLIRPass
   MLIRTransforms
-
-  ${PYTHON_LIBRARIES}
 )
 
 target_link_options(triton PRIVATE ${LLVM_LDFLAGS})
diff --git a/include/triton/driver/error.h b/include/triton/driver/error.h
index 6502b7493..c3168c1ad 100755
--- a/include/triton/driver/error.h
+++ b/include/triton/driver/error.h
@@ -19,7 +19,8 @@ namespace triton
   namespace nvrtc
   {
 
-#define TRITON_CREATE_NVRTC_EXCEPTION(name, msg) class name: public std::exception { public: const char * what() const throw(){ return "NVRTC: Error- " msg; } }
+#define TRITON_CREATE_NVRTC_EXCEPTION(name, msg) \
+class name: public std::exception { public: const char * what() const throw() override { return "NVRTC: Error- " msg; } }
 
   TRITON_CREATE_NVRTC_EXCEPTION(out_of_memory              ,"out of memory");
   TRITON_CREATE_NVRTC_EXCEPTION(program_creation_failure   ,"program creation failure");
@@ -38,7 +39,8 @@ namespace triton
   {
   class base: public std::exception{};
 
-#define TRITON_CREATE_CUDA_EXCEPTION(name, msg) class name: public base { public:const char * what() const throw(){ return "CUDA: Error- " msg; } }
+#define TRITON_CREATE_CUDA_EXCEPTION(name, msg) \
+class name: public base { public:const char * what() const throw() override { return "CUDA: Error- " msg; } }
 
 
   TRITON_CREATE_CUDA_EXCEPTION(invalid_value                   ,"invalid value");
@@ -106,7 +108,8 @@ namespace triton
   {
   class base: public std::exception{};
 
-#define TRITON_CREATE_CUBLAS_EXCEPTION(name, msg) class name: public base { public: const char * what() const throw(){ return "CUBLAS: Error- " msg; } }
+#define TRITON_CREATE_CUBLAS_EXCEPTION(name, msg) \
+class name: public base { public: const char * what() const throw() override { return "CUBLAS: Error- " msg; } }
 
   TRITON_CREATE_CUBLAS_EXCEPTION(not_initialized              ,"not initialized");
   TRITON_CREATE_CUBLAS_EXCEPTION(alloc_failed                 ,"alloc failed");
@@ -124,7 +127,8 @@ namespace triton
 
   namespace cudnn
   {
-#define TRITON_CREATE_CUDNN_EXCEPTION(name, msg) class name: public std::exception { public: const char * what() const throw(){ return "CUDNN: Error- " msg; } }
+#define TRITON_CREATE_CUDNN_EXCEPTION(name, msg) \
+class name: public std::exception { public: const char * what() const throw() override { return "CUDNN: Error- " msg; } }
 
   TRITON_CREATE_CUDNN_EXCEPTION(not_initialized              ,"not initialized");
   TRITON_CREATE_CUDNN_EXCEPTION(alloc_failed                 ,"allocation failed");
@@ -148,7 +152,8 @@ namespace triton
   {
   class base: public std::exception{};
 
-#define TRITON_CREATE_HIP_EXCEPTION(name, msg) class name: public base { public:const char * what() const throw(){ return "HIP: Error- " msg; } }
+#define TRITON_CREATE_HIP_EXCEPTION(name, msg) \
+class name: public base { public:const char * what() const throw() override { return "HIP: Error- " msg; } }
 
 
   TRITON_CREATE_HIP_EXCEPTION(invalid_value                   ,"invalid value");