- Use -fno-strict-aliasing as nxc.c is not strict-aliasing safe

netcdf.spec

@@ -1,6 +1,6 @@
 Name:           netcdf
 Version:        4.7.3
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Libraries for the Unidata network Common Data Form
 
 License:        NetCDF
@@ -170,6 +170,7 @@ NetCDF parallel openmpi static libraries
 %global _configure ../configure
 #Common configure options
 export LDFLAGS="%{__global_ldflags} -L%{_libdir}/hdf"
+export CFLAGS="%{optflags} -fno-strict-aliasing"
 %global configure_opts \\\
            --enable-shared \\\
            --enable-netcdf-4 \\\
@@ -339,6 +340,9 @@ done
 
 
 %changelog
+* Tue Dec 15 2020 Jeff Law <law@redhat.com> - 4.7.3-5
+- Use -fno-strict-aliasing as nxc.c is not strict-aliasing safe
+
 * Sun Sep  6 2020 Orion Poplawski <orion@nwra.com> - 4.7.3-4
 - Work around UCX segfault issue (FTBFS bz#1864189)