[Build] Now build externally, out of the source directory.

stdair.spec

@@ -1,5 +1,6 @@
 #
 %global mydocs __tmp_docdir
+%global mybuild _tmp_builddir
 #
 Name:           stdair
 Version:        0.45.0
@@ -61,12 +62,17 @@ online (http://%{name}.org).
 
 
 %build
-%cmake .
+mkdir -p %{mybuild}
+pushd %{mybuild}
+%cmake ..
 make %{?_smp_mflags}
+popd
 
 %install
 rm -rf $RPM_BUILD_ROOT
+pushd %{mybuild}
 make install DESTDIR=$RPM_BUILD_ROOT
+popd
 
 # Fix some permissions
 find $RPM_BUILD_ROOT%{_libexecdir}/%{name} -type f -name '*.sh' -exec chmod +x {} \;
@@ -76,7 +82,9 @@ mv $RPM_BUILD_ROOT%{_docdir}/%{name}-%{version}/html %{mydocs}
 rm -f %{mydocs}/html/installdox
 
 %check
+pushd %{mybuild}
 ctest
+popd
 
 %clean
 rm -rf $RPM_BUILD_ROOT