diff --git a/libyui.spec b/libyui.spec
index 4c85c07..576f301 100644
--- a/libyui.spec
+++ b/libyui.spec
@@ -1,3 +1,5 @@
+%undefine __cmake_in_source_build
+
 %global major_so_ver 8
 
 # Place rpm-macros into proper location.
@@ -9,9 +11,6 @@
 # Define libsuffix.
 %global libsuffix yui
 
-# CMake-builds go out-of-tree.
-%global _cmake_build_subdir build-%{_target_platform}
-
 
 Name:		lib%{libsuffix}
 Version:	3.3.3
@@ -69,31 +68,27 @@ brief examples how to build a UI using %{name}.
 
 
 %build
-%{__mkdir} -p %{_cmake_build_subdir}
-pushd %{_cmake_build_subdir}
 %cmake							\
 	-DYPREFIX=%{_prefix}				\
 	-DLIB_DIR=%{_libdir}				\
 	-DCMAKE_BUILD_TYPE=RELEASE			\
 	-DRESPECT_FLAGS=ON				\
 	-DSKIP_LATEX=ON					\
-	..
+	%{nil}
 
-%make_build
-%make_build docs
-popd
+%cmake_build
+%cmake_build --target docs
 
 
 %install
-pushd %{_cmake_build_subdir}
-%{__mkdir} -p	%{buildroot}%{_libdir}/%{libsuffix}	\
+mkdir -p	%{buildroot}%{_libdir}/%{libsuffix}	\
 		%{buildroot}%{_datadir}/%{name}/theme
 
-%make_install
+%cmake_install
 
 # Create a macro for use in other spec-files.
-%{__mkdir} -p %{buildroot}/%{macrosdir}
-%{__cat} << EOF > %{buildroot}/%{macrosdir}/macros.%{name}
+mkdir -p %{buildroot}/%{macrosdir}
+cat << EOF > %{buildroot}/%{macrosdir}/macros.%{name}
 %_%{name}_major_so_ver %{major_so_ver}
 %_%{name}_datadir %%{_datadir}/%{name}
 %_%{name}_includedir %%{_includedir}/%{libsuffix}
@@ -102,19 +97,18 @@ pushd %{_cmake_build_subdir}
 EOF
 
 # Delete obsolete files.
-%{__rm} -rf	%{buildroot}%{_defaultdocdir}		\
-		../examples/{CMake*,.gitignore}		\
-		doc/html/*.m*
+rm -rf	%{buildroot}%{_defaultdocdir}		\
+		examples/{CMake*,.gitignore}		\
+		%{_vpath_builddir}/doc/html/*.m*
 
 # Install documentation.
-%{__mkdir} -p	%{buildroot}%{?_pkgdocdir}
-%{__cp} -a	../README.md ../package/libyui.changes	\
-		../examples/ doc/html/			\
+mkdir -p	%{buildroot}%{?_pkgdocdir}
+cp -a	README.md package/libyui.changes	\
+		examples/ %{_vpath_builddir}/doc/html/			\
 		%{buildroot}%{?_pkgdocdir}
 
 # Hard-link documentation.
 %{_bindir}/hardlink -cv %{buildroot}%{?_pkgdocdir}/html
-popd
 
 
 %ldconfig_scriptlets