diff --git a/aclocal.m4 b/aclocal.m4
index ed27013ad78..1745d16f1c0 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -22,13 +22,17 @@ dnl configuration script generated by Autoconf, you may include it
 dnl under the same distribution terms that you use for the rest of
 dnl that program.
 
-dnl **** Get the programs used by WINE_GET_SONAME ****
+dnl **** Initialize the programs used by other checks ****
 dnl
 dnl Usage: WINE_PATH_SONAME_TOOLS
+dnl Usage: WINE_PATH_PKG_CONFIG
 dnl
 AC_DEFUN([WINE_PATH_SONAME_TOOLS],
 [AC_PATH_PROG(LDD,ldd,true,/sbin:/usr/sbin:$PATH)
-AC_CHECK_TOOLS(READELF,[readelf],true)])
+AC_CHECK_TOOL(READELF,[readelf],true)])
+
+AC_DEFUN([WINE_PATH_PKG_CONFIG],
+[AC_CHECK_TOOL(PKG_CONFIG,[pkg-config])])
 
 dnl **** Extract the soname of a library ****
 dnl
@@ -61,6 +65,25 @@ AS_IF([test "x]AS_VAR_GET(ac_Lib)[" = "x"],
 m4_popdef([ac_lib_pattern])dnl
 AS_VAR_POPDEF([ac_Lib])])
 
+dnl **** Get flags from pkg-config or alternate xxx-config program ****
+dnl
+dnl Usage: WINE_PACKAGE_FLAGS(var,pkg-name,[default-lib,[cflags-alternate,libs-alternate]])
+dnl
+AC_DEFUN([WINE_PACKAGE_FLAGS],
+[AC_REQUIRE([WINE_PATH_PKG_CONFIG])dnl
+AC_ARG_VAR([$1]_CFLAGS, [C compiler flags for $2, overriding pkg-config])dnl
+AS_IF([test -n "$[$1]_CFLAGS"],[],
+      [test -n "$PKG_CONFIG"],
+      [[$1]_CFLAGS=`$PKG_CONFIG --cflags [$2] 2>/dev/null`])
+m4_ifval([$4],[[$1]_CFLAGS=[$]{[$1]_CFLAGS:-`[$4] 2>/dev/null`}])
+CPPFLAGS="$CPPFLAGS $[$1]_CFLAGS"
+AC_ARG_VAR([$1]_LIBS, [Linker flags for $2, overriding pkg-config])dnl
+AS_IF([test -n "$[$1]_LIBS"],[],
+      [test -n "$PKG_CONFIG"],
+      [[$1]_LIBS=`$PKG_CONFIG --libs [$2] 2>/dev/null`])
+m4_ifval([$5],[[$1]_LIBS=[$]{[$1]_LIBS:-`[$5] 2>/dev/null`}])
+m4_ifval([$3],[[$1]_LIBS=[$]{[$1]_LIBS:-"$3"}])])
+
 dnl **** Link C code with an assembly file ****
 dnl
 dnl Usage: WINE_TRY_ASM_LINK(asm-code,includes,function,[action-if-found,[action-if-not-found]])
diff --git a/configure b/configure
index a82ab7f374c..6592696416a 100755
--- a/configure
+++ b/configure
@@ -664,9 +664,11 @@ sane_devel
 GNUTLSINCL
 HALINCL
 DBUSINCL
-XSLTINCL
-XML2INCL
-XML2LIBS
+XSLT_LIBS
+XSLT_CFLAGS
+XML2_LIBS
+XML2_CFLAGS
+PKG_CONFIG
 X_EXTRA_LIBS
 X_LIBS
 X_PRE_LIBS
@@ -693,7 +695,6 @@ LIBWINE_RULES
 SOCKETLIBS
 DLLWRAP
 DLLTOOL
-ac_ct_READELF
 READELF
 LDD
 LDRPATH_LOCAL
@@ -710,7 +711,6 @@ MSGFMT
 ICOTOOL
 CONVERT
 RSVG
-PKG_CONFIG
 FONTFORGE
 LINTFLAGS
 LINT
@@ -859,7 +859,11 @@ CXX
 CXXFLAGS
 CCC
 CPP
-XMKMF'
+XMKMF
+XML2_CFLAGS
+XML2_LIBS
+XSLT_CFLAGS
+XSLT_LIBS'
 
 
 # Initialize some variables set by options.
@@ -1547,6 +1551,10 @@ Some influential environment variables:
   CXXFLAGS    C++ compiler flags
   CPP         C preprocessor
   XMKMF       Path to xmkmf, Makefile generator for X Window System
+  XML2_CFLAGS C compiler flags for libxml-2.0, overriding pkg-config
+  XML2_LIBS   Linker flags for libxml-2.0, overriding pkg-config
+  XSLT_CFLAGS C compiler flags for libxslt, overriding pkg-config
+  XSLT_LIBS   Linker flags for libxslt, overriding pkg-config
 
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
@@ -4919,49 +4927,6 @@ fi
 done
 test -n "$FONTFORGE" || FONTFORGE="false"
 
-for ac_prog in pkg-config
-do
-  # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_PKG_CONFIG+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$PKG_CONFIG"; then
-  ac_cv_prog_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_PKG_CONFIG="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-PKG_CONFIG=$ac_cv_prog_PKG_CONFIG
-if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-  test -n "$PKG_CONFIG" && break
-done
-test -n "$PKG_CONFIG" || PKG_CONFIG="false"
-
 for ac_prog in rsvg
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
@@ -6333,10 +6298,8 @@ fi
 
 
 if test -n "$ac_tool_prefix"; then
-  for ac_prog in readelf
-  do
-    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
-set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+  # Extract the first word of "${ac_tool_prefix}readelf", so it can be a program name with args.
+set dummy ${ac_tool_prefix}readelf; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
 if ${ac_cv_prog_READELF+:} false; then :
@@ -6352,7 +6315,7 @@ do
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
   if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_READELF="$ac_tool_prefix$ac_prog"
+    ac_cv_prog_READELF="${ac_tool_prefix}readelf"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
@@ -6372,15 +6335,11 @@ $as_echo "no" >&6; }
 fi
 
 
-    test -n "$READELF" && break
-  done
 fi
-if test -z "$READELF"; then
+if test -z "$ac_cv_prog_READELF"; then
   ac_ct_READELF=$READELF
-  for ac_prog in readelf
-do
-  # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
+  # Extract the first word of "readelf", so it can be a program name with args.
+set dummy readelf; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
 if ${ac_cv_prog_ac_ct_READELF+:} false; then :
@@ -6396,7 +6355,7 @@ do
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
   if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_READELF="$ac_prog"
+    ac_cv_prog_ac_ct_READELF="readelf"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
@@ -6415,10 +6374,6 @@ else
 $as_echo "no" >&6; }
 fi
 
-
-  test -n "$ac_ct_READELF" && break
-done
-
   if test "x$ac_ct_READELF" = x; then
     READELF="true"
   else
@@ -6430,6 +6385,8 @@ ac_tool_warned=yes ;;
 esac
     READELF=$ac_ct_READELF
   fi
+else
+  READELF="$ac_cv_prog_READELF"
 fi
 
 
@@ -9583,24 +9540,115 @@ fi
 test "x$ac_cv_lib_OpenCL_clGetPlatformInfo" != xyes && enable_opencl=${enable_opencl:-no}
 
 
-XML2LIBS=""
-
-XML2INCL=""
-
-XSLTINCL=""
-
 if test "x$with_xml" != "xno"
 then
     ac_save_CPPFLAGS="$CPPFLAGS"
-    if test "$PKG_CONFIG" != "false"
-    then
-        ac_xml_libs="`$PKG_CONFIG --libs libxml-2.0 2>/dev/null`"
-        ac_xml_cflags="`$PKG_CONFIG --cflags libxml-2.0 2>/dev/null`"
-    else
-        ac_xml_libs="`xml2-config --libs 2>/dev/null`"
-        ac_xml_cflags="`xml2-config --cflags  2>/dev/null`"
-    fi
-    CPPFLAGS="$CPPFLAGS $ac_xml_cflags"
+    if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args.
+set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_PKG_CONFIG+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$PKG_CONFIG"; then
+  ac_cv_prog_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_PKG_CONFIG="${ac_tool_prefix}pkg-config"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+PKG_CONFIG=$ac_cv_prog_PKG_CONFIG
+if test -n "$PKG_CONFIG"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
+$as_echo "$PKG_CONFIG" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_PKG_CONFIG"; then
+  ac_ct_PKG_CONFIG=$PKG_CONFIG
+  # Extract the first word of "pkg-config", so it can be a program name with args.
+set dummy pkg-config; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_PKG_CONFIG+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_PKG_CONFIG"; then
+  ac_cv_prog_ac_ct_PKG_CONFIG="$ac_ct_PKG_CONFIG" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_PKG_CONFIG="pkg-config"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_PKG_CONFIG=$ac_cv_prog_ac_ct_PKG_CONFIG
+if test -n "$ac_ct_PKG_CONFIG"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_PKG_CONFIG" >&5
+$as_echo "$ac_ct_PKG_CONFIG" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_PKG_CONFIG" = x; then
+    PKG_CONFIG=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    PKG_CONFIG=$ac_ct_PKG_CONFIG
+  fi
+else
+  PKG_CONFIG="$ac_cv_prog_PKG_CONFIG"
+fi
+
+if test -n "$XML2_CFLAGS"; then :
+
+elif test -n "$PKG_CONFIG"; then :
+  XML2_CFLAGS=`$PKG_CONFIG --cflags libxml-2.0 2>/dev/null`
+fi
+XML2_CFLAGS=${XML2_CFLAGS:-`xml2-config --cflags 2>/dev/null`}
+CPPFLAGS="$CPPFLAGS $XML2_CFLAGS"
+if test -n "$XML2_LIBS"; then :
+
+elif test -n "$PKG_CONFIG"; then :
+  XML2_LIBS=`$PKG_CONFIG --libs libxml-2.0 2>/dev/null`
+fi
+XML2_LIBS=${XML2_LIBS:-`xml2-config --libs 2>/dev/null`}
+XML2_LIBS=${XML2_LIBS:-"-lxml2"}
     for ac_header in libxml/parser.h libxml/xmlsave.h libxml/SAX2.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
@@ -9622,7 +9670,7 @@ if ${ac_cv_lib_xml2_xmlParseMemory+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lxml2 $ac_xml_libs $LIBS"
+LIBS="-lxml2 $XML2_LIBS $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -9656,8 +9704,8 @@ if test "x$ac_cv_lib_xml2_xmlParseMemory" = xyes; then :
 
 $as_echo "#define HAVE_LIBXML2 1" >>confdefs.h
 
-             XML2LIBS="$ac_xml_libs"
-             XML2INCL="$ac_xml_cflags"
+else
+  XML2_LIBS=""
 fi
 
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for xmlReadMemory in -lxml2" >&5
@@ -9666,7 +9714,7 @@ if ${ac_cv_lib_xml2_xmlReadMemory+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lxml2 $ac_xml_libs $LIBS"
+LIBS="-lxml2 $XML2_LIBS $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -9708,7 +9756,7 @@ if ${ac_cv_lib_xml2_xmlNewDocPI+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lxml2 $ac_xml_libs $LIBS"
+LIBS="-lxml2 $XML2_LIBS $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -9750,7 +9798,7 @@ if ${ac_cv_lib_xml2_xmlSchemaSetParserStructuredErrors+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lxml2 $ac_xml_libs $LIBS"
+LIBS="-lxml2 $XML2_LIBS $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -9792,7 +9840,7 @@ if ${ac_cv_lib_xml2_xmlSchemaSetValidStructuredErrors+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lxml2 $ac_xml_libs $LIBS"
+LIBS="-lxml2 $XML2_LIBS $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -9834,7 +9882,7 @@ if ${ac_cv_lib_xml2_xmlFirstElementChild+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lxml2 $ac_xml_libs $LIBS"
+LIBS="-lxml2 $XML2_LIBS $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -9878,6 +9926,9 @@ $as_echo "#define HAVE_XMLDOC_PROPERTIES 1" >>confdefs.h
 
 fi
 
+    else
+        XML2_CFLAGS=""
+        XML2_LIBS=""
     fi
     CPPFLAGS="$ac_save_CPPFLAGS"
 fi
@@ -9892,16 +9943,21 @@ fi
 
 if test "x$with_xslt" != "xno"
 then
-    if test "$PKG_CONFIG" != "false"
-    then
-        ac_xslt_libs="`$PKG_CONFIG --libs libxslt 2>/dev/null`"
-        ac_xslt_cflags="`$PKG_CONFIG --cflags libxslt 2>/dev/null`"
-    else
-        ac_xslt_libs="`xslt-config --libs 2>/dev/null`"
-        ac_xslt_cflags="`xslt-config --cflags 2>/dev/null`"
-    fi
     ac_save_CPPFLAGS="$CPPFLAGS"
-    CPPFLAGS="$CPPFLAGS $ac_xslt_cflags"
+    if test -n "$XSLT_CFLAGS"; then :
+
+elif test -n "$PKG_CONFIG"; then :
+  XSLT_CFLAGS=`$PKG_CONFIG --cflags libxslt 2>/dev/null`
+fi
+XSLT_CFLAGS=${XSLT_CFLAGS:-`xslt-config --cflags 2>/dev/null`}
+CPPFLAGS="$CPPFLAGS $XSLT_CFLAGS"
+if test -n "$XSLT_LIBS"; then :
+
+elif test -n "$PKG_CONFIG"; then :
+  XSLT_LIBS=`$PKG_CONFIG --libs libxslt 2>/dev/null`
+fi
+XSLT_LIBS=${XSLT_LIBS:-`xslt-config --libs 2>/dev/null`}
+XSLT_LIBS=${XSLT_LIBS:-"-lxml2"}
     for ac_header in libxslt/pattern.h libxslt/transform.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
@@ -9927,7 +9983,7 @@ if ${ac_cv_lib_soname_xslt+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_soname_save_LIBS=$LIBS
-LIBS="-lxslt $ac_xslt_libs $LIBS"
+LIBS="-lxslt $XSLT_LIBS $LIBS"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -9972,8 +10028,10 @@ cat >>confdefs.h <<_ACEOF
 #define SONAME_LIBXSLT "$ac_cv_lib_soname_xslt"
 _ACEOF
 
-       XSLTINCL="$ac_xslt_cflags"
+
 fi
+    else
+        XSLT_CFLAGS=""
     fi
 fi
 if test "x$ac_cv_lib_soname_xslt" = "x"; then :
diff --git a/configure.ac b/configure.ac
index 3115784b6c6..4f75317de61 100644
--- a/configure.ac
+++ b/configure.ac
@@ -286,7 +286,6 @@ AC_SUBST(LINTFLAGS)
 
 dnl Check for various programs
 AC_CHECK_PROGS(FONTFORGE, fontforge, false)
-AC_CHECK_PROGS(PKG_CONFIG, pkg-config, false)
 AC_CHECK_PROGS(RSVG, rsvg, false)
 AC_CHECK_PROGS(CONVERT, convert, false)
 AC_CHECK_PROGS(ICOTOOL, icotool, false)
@@ -1268,40 +1267,30 @@ test "x$ac_cv_lib_OpenCL_clGetPlatformInfo" != xyes && enable_opencl=${enable_op
 
 dnl **** Check for libxml2 ****
 
-AC_SUBST(XML2LIBS,"")
-AC_SUBST(XML2INCL,"")
-AC_SUBST(XSLTINCL,"")
 if test "x$with_xml" != "xno"
 then
     ac_save_CPPFLAGS="$CPPFLAGS"
-    if test "$PKG_CONFIG" != "false"
-    then
-        ac_xml_libs="`$PKG_CONFIG --libs libxml-2.0 2>/dev/null`"
-        ac_xml_cflags="`$PKG_CONFIG --cflags libxml-2.0 2>/dev/null`"
-    else
-        ac_xml_libs="`xml2-config --libs 2>/dev/null`"
-        ac_xml_cflags="`xml2-config --cflags  2>/dev/null`"
-    fi
-    CPPFLAGS="$CPPFLAGS $ac_xml_cflags"
+    WINE_PACKAGE_FLAGS(XML2,[libxml-2.0],[-lxml2],[xml2-config --cflags],[xml2-config --libs])
     AC_CHECK_HEADERS([libxml/parser.h libxml/xmlsave.h libxml/SAX2.h])
     if test "$ac_cv_header_libxml_parser_h" = "yes" -a "$ac_cv_header_libxml_xmlsave_h" = "yes" -a "$ac_cv_header_libxml_SAX2_h" = "yes"
     then
         AC_CHECK_LIB(xml2, xmlParseMemory,
-            [AC_DEFINE(HAVE_LIBXML2, 1, [Define if you have the libxml2 library])
-             XML2LIBS="$ac_xml_libs"
-             XML2INCL="$ac_xml_cflags"],,$ac_xml_libs)
+            [AC_DEFINE(HAVE_LIBXML2, 1, [Define if you have the libxml2 library])],[XML2_LIBS=""],[$XML2_LIBS])
         AC_CHECK_LIB(xml2, xmlReadMemory,
-            [AC_DEFINE(HAVE_XMLREADMEMORY,1,[Define if libxml2 has the xmlReadMemory function])],,$ac_xml_libs)
+            [AC_DEFINE(HAVE_XMLREADMEMORY,1,[Define if libxml2 has the xmlReadMemory function])],,[$XML2_LIBS])
         AC_CHECK_LIB(xml2, xmlNewDocPI,
-            [AC_DEFINE(HAVE_XMLNEWDOCPI,1,[Define if libxml2 has the xmlNewDocPI function])],,$ac_xml_libs)
+            [AC_DEFINE(HAVE_XMLNEWDOCPI,1,[Define if libxml2 has the xmlNewDocPI function])],,[$XML2_LIBS])
         AC_CHECK_LIB(xml2, xmlSchemaSetParserStructuredErrors,
-            [AC_DEFINE(HAVE_XMLSCHEMASSETPARSERSTRUCTUREDERRORS,1,[Define if libxml2 has the xmlSchemaSetParserStructuredErrors function])],,$ac_xml_libs)
+            [AC_DEFINE(HAVE_XMLSCHEMASSETPARSERSTRUCTUREDERRORS,1,[Define if libxml2 has the xmlSchemaSetParserStructuredErrors function])],,[$XML2_LIBS])
         AC_CHECK_LIB(xml2, xmlSchemaSetValidStructuredErrors,
-            [AC_DEFINE(HAVE_XMLSCHEMASSETVALIDSTRUCTUREDERRORS,1,[Define if libxml2 has the xmlSchemaSetValidStructuredErrors function])],,$ac_xml_libs)
+            [AC_DEFINE(HAVE_XMLSCHEMASSETVALIDSTRUCTUREDERRORS,1,[Define if libxml2 has the xmlSchemaSetValidStructuredErrors function])],,[$XML2_LIBS])
         AC_CHECK_LIB(xml2, xmlFirstElementChild,
-            [AC_DEFINE(HAVE_XMLFIRSTELEMENTCHILD,1,[Define if libxml2 has the xmlFirstElementChild function])],,$ac_xml_libs)
+            [AC_DEFINE(HAVE_XMLFIRSTELEMENTCHILD,1,[Define if libxml2 has the xmlFirstElementChild function])],,[$XML2_LIBS])
         AC_CHECK_TYPE([xmlDocProperties],
             [AC_DEFINE(HAVE_XMLDOC_PROPERTIES,1,[Define if libxml2 has the xmlDocProperties enum])],,[[#include <libxml/tree.h>]])
+    else
+        XML2_CFLAGS=""
+        XML2_LIBS=""
     fi
     CPPFLAGS="$ac_save_CPPFLAGS"
 fi
@@ -1310,16 +1299,8 @@ WINE_WARNING_WITH(xml,[test "$ac_cv_lib_xml2_xmlParseMemory" != "yes"],
 
 if test "x$with_xslt" != "xno"
 then
-    if test "$PKG_CONFIG" != "false"
-    then
-        ac_xslt_libs="`$PKG_CONFIG --libs libxslt 2>/dev/null`"
-        ac_xslt_cflags="`$PKG_CONFIG --cflags libxslt 2>/dev/null`"
-    else
-        ac_xslt_libs="`xslt-config --libs 2>/dev/null`"
-        ac_xslt_cflags="`xslt-config --cflags 2>/dev/null`"
-    fi
     ac_save_CPPFLAGS="$CPPFLAGS"
-    CPPFLAGS="$CPPFLAGS $ac_xslt_cflags"
+    WINE_PACKAGE_FLAGS(XSLT,[libxslt],[-lxml2],[xslt-config --cflags],[xslt-config --libs])
     AC_CHECK_HEADERS([libxslt/pattern.h libxslt/transform.h],,,
     [#ifdef HAVE_LIBXSLT_PATTERN_H
 # include <libxslt/pattern.h>
@@ -1327,8 +1308,9 @@ then
     CPPFLAGS="$ac_save_CPPFLAGS"
     if test "$ac_cv_header_libxslt_transform_h" = "yes"
     then
-        WINE_CHECK_SONAME(xslt,xsltCompilePattern,
-                         [XSLTINCL="$ac_xslt_cflags"],,[$ac_xslt_libs])
+        WINE_CHECK_SONAME(xslt,xsltCompilePattern,,,[$XSLT_LIBS])
+    else
+        XSLT_CFLAGS=""
     fi
 fi
 WINE_WARNING_WITH(xslt,[test "x$ac_cv_lib_soname_xslt" = "x"],
diff --git a/dlls/msxml3/Makefile.in b/dlls/msxml3/Makefile.in
index acd571fdb74..4c9d00a4cd5 100644
--- a/dlls/msxml3/Makefile.in
+++ b/dlls/msxml3/Makefile.in
@@ -1,8 +1,8 @@
 EXTRADEFS = -DCOM_NO_WINDOWS_H
 MODULE    = msxml3.dll
 IMPORTS   = uuid urlmon shlwapi oleaut32 ole32 user32 advapi32
-EXTRALIBS = @XML2LIBS@
-EXTRAINCL = @XML2INCL@ @XSLTINCL@
+EXTRALIBS = @XML2_LIBS@
+EXTRAINCL = @XML2_CFLAGS@ @XSLT_CFLAGS@
 
 C_SRCS = \
 	attribute.c \