speed up cmake, rustc, openvpn

CMakeLists.txt

@@ -1,32 +1,13 @@
 cmake_minimum_required(VERSION 3.16)
 project(shrap)
 
-include(FetchContent)
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
-FetchContent_Declare(
-  blake3
-  GIT_REPOSITORY https://github.com/BLAKE3-team/BLAKE3.git
-  GIT_TAG        1.8.3
-)
-FetchContent_MakeAvailable(blake3)
-
-add_library(blake3_lib STATIC
-    ${blake3_SOURCE_DIR}/c/blake3.c
-    ${blake3_SOURCE_DIR}/c/blake3_dispatch.c
-    ${blake3_SOURCE_DIR}/c/blake3_portable.c
-)
-target_compile_definitions(blake3_lib PRIVATE 
-    BLAKE3_NO_SSE2 
-    BLAKE3_NO_SSE41 
-    BLAKE3_NO_AVX2 
-    BLAKE3_NO_AVX512
-)
-target_include_directories(blake3_lib PUBLIC ${blake3_SOURCE_DIR}/c)
+find_package(blake3 REQUIRED)
 
 add_executable(${PROJECT_NAME} src/main.cc)
 
-target_link_libraries(${PROJECT_NAME} PRIVATE blake3_lib)
+target_link_libraries(${PROJECT_NAME} PRIVATE blake3)
 
 set_target_properties(${PROJECT_NAME} PROPERTIES LINK_FLAGS "-static")