smokekde 4.9.90-1 is not built with $RPM_*_FLAGS: http://kojipkgs.fedoraproject.org/packages/smokekde/4.9.90/1.fc19/data/logs/x86_64/build.log $RPM_OPT_FLAGS were used in 4.9.4-1 so that part is a regression, but neither is built with $RPM_LD_FLAGS, apparently because %cmake_kde4 fails to set $LDFLAGS (see bug 737386). http://kojipkgs.fedoraproject.org/packages/smokekde/4.9.4/1.fc18/data/logs/x86_64/build.log
https://bugs.kde.org/show_bug.cgi?id=315774
%changelog * Mon Feb 25 2013 Rex Dieter <rdieter> 4.10.0-2 - don't override CXXFLAGS (#884839, kde#315774)