diff --git a/patches/xapian_pkgconfig.patch b/patches/xapian_pkgconfig.patch
index 1e7c2dc..ace2ad4 100644
--- a/patches/xapian_pkgconfig.patch
+++ b/patches/xapian_pkgconfig.patch
@@ -1,110 +1,9 @@
-diff -ur xapian-core-1.4.0/configure.ac xapian-core-1.4.0-patched/configure.ac
---- xapian-core-1.4.0/configure.ac	2016-06-25 17:36:49.000000000 +0200
-+++ xapian-core-1.4.0-patched/configure.ac	2017-02-22 17:45:57.066365636 +0100
-@@ -393,22 +393,25 @@
- esac
- 
- dnl We use timer_create() if available to implement a search time limit.
-+use_rt_lib=0
- SAVE_LIBS=$LIBS
--AC_SEARCH_LIBS([timer_create], [rt],
--	       [
-+AC_SEARCH_LIBS([timer_create], [rt], [
-     AC_MSG_CHECKING([for timer_create() usability])
--    AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
-+    AC_COMPILE_IFELSE(
-+      [AC_LANG_PROGRAM(
- [[#if defined _AIX || defined __GNU__
- #error timer_create known not to work
- #endif]])],
--	[AC_MSG_RESULT([yes])
--	XAPIAN_LIBS="$LIBS $XAPIAN_LIBS"
--	AC_DEFINE([HAVE_TIMER_CREATE], [1], [Define to 1 if you have the 'timer_create' function.])]
--	,
--	[AC_MSG_RESULT([no])
--    ])
-+	  [AC_MSG_RESULT([yes])
-+	  XAPIAN_LIBS="$LIBS $XAPIAN_LIBS"
-+	  AC_DEFINE([HAVE_TIMER_CREATE], [1], [Define to 1 if you have the 'timer_create' function.])
-+	  AS_IF([test "$ac_res" != "none required"], use_rt_lib=1)
-+      ],
-+	  [AC_MSG_RESULT([no])]
-+	)
- ])
- LIBS=$SAVE_LIBS
-+AM_CONDITIONAL([USE_RT_LIB], [test "$use_rt_lib" = 1])
- 
- dnl Used by tests/soaktest/soaktest.cc
- AC_CHECK_FUNCS([srandom random])
-diff -ur xapian-core-1.4.0/configure xapian-core-1.4.0-patched/configure
---- xapian-core-1.4.0/configure	2016-06-25 17:39:25.000000000 +0200
-+++ xapian-core-1.4.0-patched/configure	2017-02-22 17:45:44.472585524 +0100
-@@ -671,6 +671,8 @@
- DOCUMENTATION_RULES_FALSE
- DOCUMENTATION_RULES_TRUE
- PERL
-+USE_RT_LIB_FALSE
-+USE_RT_LIB_TRUE
- ldflags
- XAPIAN_LIBS
- XAPIAN_LDFLAGS
-@@ -18247,6 +18249,7 @@
-     ;;
- esac
- 
-+use_rt_lib=0
- SAVE_LIBS=$LIBS
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing timer_create" >&5
- $as_echo_n "checking for library containing timer_create... " >&6; }
-@@ -18320,10 +18323,13 @@
- if ac_fn_cxx_try_compile "$LINENO"; then :
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
- $as_echo "yes" >&6; }
--	XAPIAN_LIBS="$LIBS $XAPIAN_LIBS"
-+	  XAPIAN_LIBS="$LIBS $XAPIAN_LIBS"
- 
- $as_echo "#define HAVE_TIMER_CREATE 1" >>confdefs.h
- 
-+	  if test "$ac_res" != "none required"; then :
-+  use_rt_lib=1
-+fi
- 
- else
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-@@ -18335,6 +18341,14 @@
- fi
- 
- LIBS=$SAVE_LIBS
-+ if test "$use_rt_lib" = 1; then
-+  USE_RT_LIB_TRUE=
-+  USE_RT_LIB_FALSE='#'
-+else
-+  USE_RT_LIB_TRUE='#'
-+  USE_RT_LIB_FALSE=
-+fi
-+
- 
- for ac_func in srandom random
- do :
-@@ -20854,6 +20868,10 @@
- Usually this means the macro was only invoked conditionally." "$LINENO" 5
- fi
- 
-+if test -z "${USE_RT_LIB_TRUE}" && test -z "${USE_RT_LIB_FALSE}"; then
-+  as_fn_error $? "conditional \"USE_RT_LIB\" was never defined.
-+Usually this means the macro was only invoked conditionally." "$LINENO" 5
-+fi
- if test -z "${DOCUMENTATION_RULES_TRUE}" && test -z "${DOCUMENTATION_RULES_FALSE}"; then
-   as_fn_error $? "conditional \"DOCUMENTATION_RULES\" was never defined.
- Usually this means the macro was only invoked conditionally." "$LINENO" 5
 diff -ur xapian-core-1.4.0/pkgconfig/xapian-core.pc.in xapian-core-1.4.0-patched/pkgconfig/xapian-core.pc.in
 --- xapian-core-1.4.0/pkgconfig/xapian-core.pc.in	2016-06-25 17:36:49.000000000 +0200
 +++ xapian-core-1.4.0-patched/pkgconfig/xapian-core.pc.in	2017-02-22 17:09:12.488793901 +0100
-@@ -11,4 +11,6 @@
+@@ -11,4 +11,5 @@
  URL: https://xapian.org/
  Version: @VERSION@
  Cflags: -I${includedir} @abi_affecting_cxxflags@
--Libs: @ldflags@ -L${libdir} -lxapian@LIBRARY_VERSION_SUFFIX@
-+@USE_RT_LIB_TRUE@Libs: @ldflags@ -L${libdir} -lxapian@LIBRARY_VERSION_SUFFIX@ -lrt
-+@USE_RT_LIB_FALSE@Libs: @ldflags@ -L${libdir} -lxapian@LIBRARY_VERSION_SUFFIX@
-+@USE_WIN32_UUID_API_FALSE@Requires: uuid
+ Libs: @ldflags@ -L${libdir} -lxapian@LIBRARY_VERSION_SUFFIX@
++Libs.private: @XAPIAN_LIBS@