Add CXXFLAGS

slop.spec.in

@@ -23,6 +23,7 @@ from the user and prints the region to stdout.
 %autosetup -n %{name}-%{version}
 
 %build
+CXXFLAGS="${CXXFLAGS:-%{optflags}}"; export CXXFLAGS
 cmake -DCMAKE_INSTALL_PREFIX="/usr" ./
 
 %install