diff --git a/CMakeLists.txt b/CMakeLists.txt
index e5a433f..76641fe 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,8 +1,11 @@
-cmake_minimum_required(VERSION 3.10)
+cmake_minimum_required(VERSION 3.14)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 project(cgproxy VERSION 0.16)
+
+include(GNUInstallDirs)
+
 add_compile_options(-Wall -Wextra -Wpedantic -Wno-unused-result -Wno-unused-parameter)
 
 # for clangd
@@ -12,8 +15,6 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 option(build_tools OFF)
 option(build_test  OFF)
 
-set(basic_permission OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
-
 add_subdirectory(src)
 add_subdirectory(pack)
 if (build_tools)
@@ -23,23 +24,19 @@ if (build_test)
     add_subdirectory(test)
 endif()
 
-install(FILES cgproxyd DESTINATION /usr/bin PERMISSIONS ${basic_permission})
-install(FILES cgnoproxy DESTINATION /usr/bin PERMISSIONS ${basic_permission})
-install(FILES cgproxy.service DESTINATION /usr/lib/systemd/system/)
-install(FILES config.json DESTINATION /etc/cgproxy/)
-install(FILES cgroup-tproxy.sh DESTINATION /usr/share/cgproxy/scripts/ PERMISSIONS ${basic_permission})
-install(FILES readme.md DESTINATION /usr/share/doc/cgproxy/)
+# instal scripts and other things
+install(PROGRAMS cgproxyd TYPE BIN)
+install(PROGRAMS cgnoproxy TYPE BIN)
+install(PROGRAMS cgroup-tproxy.sh DESTINATION /usr/share/cgproxy/scripts/)
+install(FILES cgproxy.service DESTINATION ${CMAKE_INSTALL_LIBDIR}/systemd/system/)
+install(FILES config.json DESTINATION ${CMAKE_INSTALL_SYSCONFDIR}/cgproxy/)
+install(FILES readme.md DESTINATION ${CMAKE_INSTALL_DOCDIR}/cgproxy/)
 
 # man pages
-set(man_gz
-${PROJECT_BINARY_DIR}/cgproxyd.1.gz
-${PROJECT_BINARY_DIR}/cgproxy.1.gz
-${PROJECT_BINARY_DIR}/cgnoproxy.1.gz
-)
-add_custom_target(man
+set(man_gz ${PROJECT_SOURCE_DIR}/man/cgproxyd.1.gz ${PROJECT_SOURCE_DIR}/man/cgproxy.1.gz ${PROJECT_SOURCE_DIR}/man/cgnoproxy.1.gz)
+add_custom_command(OUTPUT ${man_gz}
     COMMAND gzip -fk cgproxyd.1 cgproxy.1 cgnoproxy.1
-    COMMAND mv *.gz ${PROJECT_BINARY_DIR}
     WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/man
 )
-add_dependencies(main man)
-install(FILES ${man_gz} DESTINATION /usr/share/man/man1/)
+add_custom_target(man ALL DEPENDS ${man_gz})
+install(FILES ${man_gz} DESTINATION ${CMAKE_INSTALL_MANDIR}/man1/)
diff --git a/execsnoop-libbpf/Makefile b/execsnoop-libbpf/Makefile
index 9e2909b..7203add 100644
--- a/execsnoop-libbpf/Makefile
+++ b/execsnoop-libbpf/Makefile
@@ -67,12 +67,12 @@ $(OUTPUT)/%.bpf.o: %.bpf.c $(LIBBPF_OBJ) $(wildcard %.h) vmlinux.h | $(OUTPUT)
 vmlinux.h:
 	$(Q)$(BPFTOOL) btf dump file /sys/kernel/btf/vmlinux format c > vmlinux.h
 
-$(LIBBPF_OBJ): patch
-	$(Q)cd $(LIBBPF_DIR) && make DESTDIR=${OUTPUT} prefix=$(OUTPUT) install install_headers
+$(LIBBPF_OBJ):
+	$(Q)cd $(LIBBPF_DIR) && make DESTDIR=${OUTPUT} prefix=$(OUTPUT) CPPFLAGS="-fPIC" install install_headers
 
-patch: | $(LIBBPF_DIR)/Makefile
-	@echo "patching libbpf-fPIC.patch"
-	$(Q)cd libbpf/src && patch -p1 --forward -i ../../libbpf-fPIC.patch || true
+# patch: | $(LIBBPF_DIR)/Makefile
+# 	@echo "patching libbpf-fPIC.patch"
+# 	$(Q)cd libbpf/src && patch -p1 --forward -i ../../libbpf-fPIC.patch || true
 
 # build libexecsnoop.so
 $(LIBSO): execsnoop_share.cpp $(OUTPUT)/execsnoop.skel.h $(LIBBPF_OBJ) $(COMMON_OBJ) | $(OUTPUT) 
diff --git a/readme.md b/readme.md
index c6e50f8..c0c1208 100644
--- a/readme.md
+++ b/readme.md
@@ -55,8 +55,7 @@ Main feature:
 ## How to install
 
 ```bash
-cd execsnoop-libbpf && make CFLAGS="-O2 -Wall -s" libexecsnoop.so
-mkdir build && cd build && cmake -DCMAKE_BUILD_TYPE=Release .. && make install
+mkdir build && cd build && cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/ .. && make install
 ```
 
 - It is alreay in [archlinux AUR](https://aur.archlinux.org/packages/?K=cgproxy). 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 2cc975e..d9574b4 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -10,6 +10,14 @@ add_executable(main main.cpp
 target_link_libraries(main PRIVATE nlohmann_json::nlohmann_json Threads::Threads ${CMAKE_DL_LIBS})
 set_target_properties(main PROPERTIES LINKER_LANGUAGE CXX)
 set_target_properties(main PROPERTIES OUTPUT_NAME cgproxy)
+install(TARGETS main RUNTIME)
 
-install(TARGETS main DESTINATION /usr/bin PERMISSIONS ${basic_permission})
-install(FILES ../execsnoop-libbpf/libexecsnoop.so DESTINATION /usr/lib/cgproxy/ PERMISSIONS ${basic_permission})
\ No newline at end of file
+# execsnoop related
+set(execsnoop ${PROJECT_SOURCE_DIR}/execsnoop-libbpf/libexecsnoop.so)
+add_custom_command(OUTPUT ${execsnoop}
+COMMAND make CFLAGS=\"-O2 -Wall -s -DNDEBUG\" libexecsnoop.so
+WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/execsnoop-libbpf
+BYPRODUCTS ${PROJECT_SOURCE_DIR}/execsnoop-libbpf/build
+)
+add_custom_target(execsnoop ALL DEPENDS ${execsnoop})
+install(PROGRAMS ${execsnoop} DESTINATION ${CMAKE_INSTALL_LIBDIR}/cgproxy/)
\ No newline at end of file