Boost.Math does not support 'long double' of ppc64le

See https://github.com/boostorg/math/pull/524

boost.spec

@@ -42,7 +42,7 @@ Name: boost
 %global real_name boost
 Summary: The free peer-reviewed portable C++ source libraries
 Version: 1.76.0
-Release: 0%{?dist}
+Release: 1%{?dist}
 License: Boost and MIT and Python
 
 # Replace each . with _ in %%{version}
@@ -1064,10 +1064,16 @@ fi
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_math_c99.so.%{sonamever}
 %{_libdir}/libboost_math_c99f.so.%{sonamever}
+%ifnarch ppc64 ppc64le
+# long double not supported for this platform
 %{_libdir}/libboost_math_c99l.so.%{sonamever}
+%endif
 %{_libdir}/libboost_math_tr1.so.%{sonamever}
 %{_libdir}/libboost_math_tr1f.so.%{sonamever}
+%ifnarch ppc64 ppc64le
+# long double not supported for this platform
 %{_libdir}/libboost_math_tr1l.so.%{sonamever}
+%endif
 
 %files nowide
 %license LICENSE_1_0.txt
@@ -1281,6 +1287,9 @@ fi
 %{_mandir}/man1/b2.1*
 
 %changelog
+* Thu Aug 05 2021 Thomas Rodgers <trodgers@redhat.com> - 1.76.0-2
+- Boost.Math does not support 'long double' of ppc64le
+  See https://github.com/boostorg/math/pull/524
 * Wed Aug 04 2021 Thomas Rodgers <trodgers@redhat.com> - 1.76.0-1
 - Rebase to 1.75.0
   See https://fedoraproject.org/wiki/Changes/F35Boost176