Common subdirectories: a/.bcr and b/.bcr
Common subdirectories: a/.github and b/.github
diff -u a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt	2024-05-21 12:50:37.738318520 -0500
+++ b/CMakeLists.txt	2024-05-21 12:49:59.914226871 -0500
@@ -350,7 +350,7 @@
 target_compile_options(hwy PRIVATE ${HWY_FLAGS})
 set_property(TARGET hwy PROPERTY POSITION_INDEPENDENT_CODE ON)
 set_target_properties(hwy PROPERTIES VERSION ${LIBRARY_VERSION} SOVERSION ${LIBRARY_SOVERSION})
-target_include_directories(hwy PUBLIC
+target_include_directories(hwy SYSTEM PUBLIC
     $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}>
     $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
 target_compile_features(hwy PUBLIC cxx_std_11)
@@ -370,7 +370,7 @@
 target_compile_options(hwy_contrib PRIVATE ${HWY_FLAGS})
 set_property(TARGET hwy_contrib PROPERTY POSITION_INDEPENDENT_CODE ON)
 set_target_properties(hwy_contrib PROPERTIES VERSION ${LIBRARY_VERSION} SOVERSION ${LIBRARY_SOVERSION})
-target_include_directories(hwy_contrib PUBLIC
+target_include_directories(hwy_contrib SYSTEM PUBLIC
     $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}>
     $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
 target_compile_features(hwy_contrib PUBLIC cxx_std_11)
Common subdirectories: a/cmake and b/cmake
Common subdirectories: a/debian and b/debian
Common subdirectories: a/docs and b/docs
Common subdirectories: a/g3doc and b/g3doc
Common subdirectories: a/hwy and b/hwy