--- CMakeLists.txt.orig	2017-01-17 23:43:27 UTC
+++ CMakeLists.txt
@@ -462,7 +462,8 @@ INSTALL(TARGETS h2o
     LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
 
 IF (NOT WITHOUT_LIBS)
-    INSTALL(DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} FILES_MATCHING PATTERN "*.h")
+    INSTALL(DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} FILES_MATCHING PATTERN "*.h"
+        EXCLUDE PATTERN "h2o" EXCLUDE PATTERN "h2o/socket")
     IF (LIBUV_FOUND)
         INSTALL(FILES "${CMAKE_BINARY_DIR}/libh2o.pc" DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
     ENDIF ()
