kde-apps/kdiff3: add patch fixing build failure with kde-base/kdelibs-4.14.11

Gentoo-bug: 559014

Package-Manager: portage-2.2.20.1

kde-misc/kdiff3/files/kdiff3-0.9.98-kdelibs-4.14.11.patch

@@ -0,0 +1,12 @@
+--- po/CMakeLists.txt
++++ po/CMakeLists.txt
+@@ -1,3 +1,9 @@
++# The pofiles macro creates in some versions same name targets
++# which since cmake 2.8 leads to target clashes.
++# Hence force the old policy for all po directories.
++# http://public.kitware.com/Bug/view.php?id=12952
++cmake_policy(SET CMP0002 OLD)
++
+ find_package(Gettext REQUIRED)
+ if (NOT GETTEXT_MSGMERGE_EXECUTABLE)
+ MESSAGE(FATAL_ERROR "Please install msgmerge binary")

kde-misc/kdiff3/kdiff3-0.9.98-r1.ebuild

@@ -47,6 +47,8 @@ RDEPEND="${CDEPEND}
 
 RESTRICT="!kde? ( test )"
 
+PATCHES=( "${FILESDIR}/${P}-kdelibs-4.14.11.patch" )
+
 src_unpack(){
 	if [[ ${PV} == *9999* ]]; then
 		git-r3_src_unpack