diff --git a/kdesdk-4.2.0-kompare-qt45-crash.patch b/kdesdk-4.2.0-kompare-qt45-crash.patch
new file mode 100644
index 0000000..e02a2ed
--- /dev/null
+++ b/kdesdk-4.2.0-kompare-qt45-crash.patch
@@ -0,0 +1,13 @@
+Index: kompare/libdiff2/komparemodellist.cpp
+===================================================================
+--- kompare/libdiff2/komparemodellist.cpp	(Revision 924538)
++++ kompare/libdiff2/komparemodellist.cpp	(Revision 924539)
+@@ -468,7 +468,7 @@
+ 		emit error( m_diffProcess->stdErr() );
+ 	}
+ 
+-	delete m_diffProcess;
++	m_diffProcess->deleteLater();
+ 	m_diffProcess = 0;
+ }
+ 
diff --git a/kdesdk.spec b/kdesdk.spec
index 94fb586..3cfa583 100644
--- a/kdesdk.spec
+++ b/kdesdk.spec
@@ -1,6 +1,6 @@
 Name:           kdesdk
 Version:        4.2.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        The KDE Software Development Kit (SDK)
 
 Group:          User Interface/Desktops
@@ -9,6 +9,10 @@ License:        GPLv2
 URL:            http://www.kde.org/
 Source0:        ftp://ftp.kde.org/pub/kde/stable/%{version}/src/%{name}-%{version}.tar.bz2
 # upstream patches
+# fix Kompare crash with Qt 4.5 (kde#182792)
+# http://websvn.kde.org/?view=rev&revision=924539
+# part of 4.2.1 mass backport: http://websvn.kde.org/?view=rev&revision=928150
+Patch100:       kdesdk-4.2.0-kompare-qt45-crash.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildRequires:  kdepimlibs-devel >= %{version}
@@ -82,6 +86,7 @@ xml2pot
 %setup -q
 
 # upstream patches
+%patch100 -p0 -b .kompare-qt45-crash
 
 %build
 mkdir -p %{_target_platform}
@@ -215,6 +220,9 @@ rm -rf %{buildroot}
 
 
 %changelog
+* Thu Feb 19 2009 Kevin Kofler <Kevin@tigcc.ticalc.org> 4.2.0-2
+- fix Kompare crash with Qt 4.5 (kde#182792)
+
 * Thu Jan 22 2009 Than Ngo <than@redhat.com> - 4.2.0-1
 - 4.2.0