diff --git a/contrib/qt/convert-prl-libs-to-cmake.pl b/contrib/qt/convert-prl-libs-to-cmake.pl
index 54897826c..609b9350d 100755
--- a/contrib/qt/convert-prl-libs-to-cmake.pl
+++ b/contrib/qt/convert-prl-libs-to-cmake.pl
@@ -1,133 +1,136 @@
 #!/usr/bin/env perl
 # Copyright (C) 2016 Konstantin Tokarev <annulen@yandex.ru>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
 # 1. Redistributions of source code must retain the above copyright
 #    notice, this list of conditions and the following disclaimer.
 # 2. Redistributions in binary form must reproduce the above copyright
 #    notice, this list of conditions and the following disclaimer in the
 #    documentation and/or other materials provided with the distribution.
 #
 # THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 # THE POSSIBILITY OF SUCH DAMAGE.
 
 use File::Basename;
 use File::Spec;
 use Getopt::Long;
 use Text::ParseWords;
 
 use v5.10;
 
 use strict;
 use warnings;
 
 my $qt_lib;
 my $component_name;
 my $out_name;
 my $compiler;
 
 processArgs();
 
 sub processArgs {
     GetOptions (
         "lib=s" => \$qt_lib,
         "component=s" => \$component_name,
         "out=s" => \$out_name,
         "compiler=s" => \$compiler
     )
 }
 
 my $qt_lib_dir = dirname($qt_lib);
 my $qt_lib_base = fileparse($qt_lib, qr{\..*});
 my $prl_name = File::Spec->join($qt_lib_dir, "$qt_lib_base.prl");
 
 # Some versions of Qt remove the lib prefix on some plateforms.
 if (! -r $prl_name) {
     $qt_lib_base =~ s/^lib//;
     $prl_name = File::Spec->join($qt_lib_dir, "$qt_lib_base.prl");
 }
 
 my $qmake_prl_libs;
 
 open(my $prl, '<', $prl_name) or die "Cannot open $prl_name: $!";
 while (<$prl>) {
     next unless /^QMAKE_PRL_LIBS/;
     chomp;
     if (/^QMAKE_PRL_LIBS\s+=\s+(.*)$/) {
         $qmake_prl_libs = $1;
         last;
     }
 }
 close $prl;
 
 unless ($qmake_prl_libs) {
     print "QMAKE_PRL_LIBS variable is undefined or empty\n";
     exit;
 }
 
 my $prl_libs = squash_prl_libs(shellwords($qmake_prl_libs));
 
 my $template = <<'END_CMAKE';
 get_target_property(_link_libs Qt5::${_component} INTERFACE_LINK_LIBRARIES)
 if (_link_libs)
     set(_list_sep ";")
 else ()
+    # Avoid linking "-l_link_libs_NOTFOUND" if the component's
+    # INTERFACE_LINK_LIBRARY property is empty.
+    set(_link_libs "")
     set(_list_sep "")
 endif ()
 set_target_properties(Qt5::${_component} PROPERTIES
     "INTERFACE_LINK_LIBRARIES" "${_link_libs}${_list_sep}${_libs}")
 set(Qt5${_component}_STATIC_LIB_DEPENDENCIES "${_libs}")
 list(APPEND STATIC_LIB_DEPENDENCIES
     ${Qt5${_component}_STATIC_LIB_DEPENDENCIES}
 )
 unset(_component)
 unset(_libs)
 unset(_list_sep)
 
 END_CMAKE
 
 open(my $out, '>>', $out_name) or die "Cannot open $out_name for writing: $!";
 print $out qq/set(_component "$component_name")\n/;
 print $out qq/set(_libs "$prl_libs")\n/;
 print $out qq/set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "$prl_name")\n/;
 print $out $template;
 close $out;
 
 sub squash_prl_libs {
     my @libs = @_;
     my @result;
     for (my $i = 0; $i < scalar(@libs); ++$i) {
         my $lib = $libs[$i];
         if ($lib eq '-framework') {
             $lib = "$libs[$i] $libs[$i + 1]";
             ++$i;
         }
         $lib =~ s"\$\$\[QT_INSTALL_LIBS\]"$qt_lib_dir"g;
 
         if (lc($compiler) eq 'msvc') {
             # convert backslashes
             $lib =~ s"\\"/"g;
 
             # MSVC doesn't support -L and -l arguments
             if ($lib =~ /^-L(.*)$/) {
                 $lib = "-LIBPATH:$1"
             } else {
                 $lib =~ s/^-l//;
             }
         }
 
         push @result, $lib;
     }
     return join ';', @result;
 }