Merge pull request #3156 from rpv-tomsk/dns

dns plugin: Do not use headers from glibc

diff --combined configure.ac
index 7454fb4,172d4e1..7cdf2c7
--- 1/configure.ac
--- 2/configure.ac
+++ b/configure.ac
@@@ -635,16 -635,6 +635,6 @@@ f
  
  # }}}
  
- # For the dns plugin
- AC_CHECK_HEADERS([arpa/nameser.h])
- AC_CHECK_HEADERS([arpa/nameser_compat.h], [], [],
-   [[
-     #if HAVE_ARPA_NAMESER_H
-     # include <arpa/nameser.h>
-     #endif
-   ]]
- )
- 
  AC_CHECK_HEADERS([net/if_arp.h], [], [],
    [[
      #if HAVE_SYS_SOCKET_H
@@@ -4771,7 -4761,7 +4761,7 @@@ if test "$PYTHON_CONFIG" != ""; the
    if test $? -ne 0; then
      with_libpython="no"
    fi
 -  LIBPYTHON_LIBS="`${PYTHON_CONFIG} --libs`"
 +  LIBPYTHON_LIBS="`${PYTHON_CONFIG} --libs --embed`" || LIBPYTHON_LIBS="`${PYTHON_CONFIG} --libs`"
    if test $? -ne 0; then
      with_libpython="no"
    fi