diff -ur kde-runtime-17.08.3/kioslave/CMakeLists.txt kde-runtime-17.08.3-nfs-libtirpc/kioslave/CMakeLists.txt

--- kde-runtime-17.08.3/kioslave/CMakeLists.txt	2017-10-01 03:02:55.000000000 +0200

+++ kde-runtime-17.08.3-nfs-libtirpc/kioslave/CMakeLists.txt	2018-01-10 19:24:08.159572514 +0100

@@ -52,11 +52,13 @@

    add_subdirectory( floppy )

    add_subdirectory( finger )

    add_subdirectory( man )

-   check_include_files(rpc/rpc.h HAVE_RPC_RPC_H)

-   add_feature_info("NFS kioslave" HAVE_RPC_RPC_H "The RPC library is needed to build the NFS kioslave")

-   if(HAVE_RPC_RPC_H)

+   pkg_check_modules(TIRPC libtirpc)

+   include_directories(${TIRPC_INCLUDE_DIRS})

+   set(CMAKE_REQUIRED_LIBRARIES ${TIRPC_LIBRARIES})

+   add_feature_info("NFS kioslave" TIRPC_FOUND "The RPC library is needed to build the NFS kioslave")

+   if(TIRPC_FOUND)

      add_subdirectory( nfs )

-   endif(HAVE_RPC_RPC_H)

+   endif(TIRPC_FOUND)

 endif(NOT WIN32)

 if(SAMBA_FOUND OR WIN32 AND NOT WINCE)

diff -ur kde-runtime-17.08.3/kioslave/nfs/CMakeLists.txt kde-runtime-17.08.3-nfs-libtirpc/kioslave/nfs/CMakeLists.txt

--- kde-runtime-17.08.3/kioslave/nfs/CMakeLists.txt	2017-10-01 03:02:55.000000000 +0200

+++ kde-runtime-17.08.3-nfs-libtirpc/kioslave/nfs/CMakeLists.txt	2018-01-10 19:23:52.437813784 +0100

@@ -10,6 +10,7 @@

     message(FATAL_ERROR "Could not find 64-bit XDR datatype functions!")

 endif (NOT HAVE_XDR_U_INT64_T AND NOT HAVE_XDR_UINT64_T AND NOT HAVE_XDR_U_HYPER AND NOT HAVE_XDR_U_LONGLONG_T)

+add_definitions(-D_DEFAULT_SOURCE)

 if (HAVE_XDR_U_INT64_T)

     add_definitions(-DHAVE_XDR_U_INT64_T)

 endif (HAVE_XDR_U_INT64_T)

@@ -31,7 +32,7 @@

 kde4_add_plugin(kio_nfs ${kio_nfs_PART_SRCS})

-target_link_libraries(kio_nfs   ${KDE4_KIO_LIBS})

+target_link_libraries(kio_nfs   ${KDE4_KIO_LIBS} ${TIRPC_LIBRARIES})

 install(TARGETS kio_nfs  DESTINATION ${PLUGIN_INSTALL_DIR} )