Don’t add -I${CMAKE_SOURCE_DIR}/third_party when compiling

Third party headers are supposed to be included by “#include
third_party/...”.

diff --git a/src/third_party/CMakeLists.txt b/src/third_party/CMakeLists.txt
index 7c62046a129e0e18f3ac1d73e09d2795f6b56f01..3ed7158c873b6941dbb3336da65014861f7faa54 100644 (file)
--- a/src/third_party/CMakeLists.txt
+++ b/src/third_party/CMakeLists.txt
@@ -39,7 +39,7 @@ endif()
 # Treat third party headers as system files (no warning for those headers).
 target_include_directories(
   third_party_lib
-  PRIVATE ${CMAKE_BINARY_DIR} . SYSTEM INTERFACE .)
+  PRIVATE ${CMAKE_BINARY_DIR} . SYSTEM)
 
 target_link_libraries(third_party_lib PRIVATE standard_settings)
 target_link_libraries(third_party_lib INTERFACE blake3)