Improve compatibility with new CMake macro

Signed-off-by: Igor Raits <ignatenkobrain@fedoraproject.org>

kde-cli-tools.spec

@@ -1,3 +1,4 @@
+%undefine __cmake_in_source_build
 Name:    kde-cli-tools
 Version: 5.19.3
 Release: 1%{?dist}
@@ -67,16 +68,12 @@ Conflicts: kde-runtime-docs < 14.12.3-2
 
 
 %build
-mkdir %{_target_platform}
-pushd %{_target_platform}
-%{cmake_kf5} ..
-popd
-
-make %{?_smp_mflags} -C %{_target_platform}
+%{cmake_kf5}
+%cmake_build
 
 
 %install
-make install/fast DESTDIR=%{buildroot} -C %{_target_platform}
+%cmake_install
 %find_lang kdeclitools_qt --with-qt --with-kde --all-name
 
 ln -s %{_kf5_libexecdir}/kdesu %{buildroot}%{_bindir}/kdesu