Update to new out-of-source build mechanism

akonadi.spec

@@ -1,3 +1,5 @@
+# Force out of source build
+%undefine __cmake_in_source_build
 
 # base pkg default to SQLITE now, install -mysql if you want that instead
 %global database_backend SQLITE
@@ -76,17 +78,12 @@ Requires: %{name}%{?_isa} = %{version}-%{release}
 
 
 %build
-mkdir %{_target_platform}
-pushd %{_target_platform}
-%{cmake} .. \
-  -DCMAKE_BUILD_TYPE:STRING="Release"
-popd
-
-make %{?_smp_mflags} -C %{_target_platform}
+%cmake -DCMAKE_BUILD_TYPE:STRING="Release"
+%cmake_build
 
 
 %install
-make install/fast DESTDIR=$RPM_BUILD_ROOT -C %{_target_platform}
+%cmake_install
 
 ## unpackaged files
 rm -fv %{buildroot}%{_datadir}/mime/packages/akonadi-mime.xml