Accepting request 1177177 from openSUSE:Factory:RISCV

- cxx-flags.patch: Remove unsupported compiler flag

OBS-URL: https://build.opensuse.org/request/show/1177177
OBS-URL: https://build.opensuse.org/package/show/devel:libraries:c_c++/xtensor-python?expand=0&rev=3

xtensor-python.spec

@@ -24,6 +24,7 @@ License:        BSD-3-Clause
 URL:            https://github.com/xtensor-stack/xtensor-python
 Source0:        https://github.com/xtensor-stack/xtensor-python/archive/refs/tags/%{version}/%{name}-%{version}.tar.gz
 Patch0:         0001-Install-as-arch-independent.patch
+Patch1:         cxx-flags.patch
 BuildRequires:  cmake
 BuildRequires:  doctest-devel
 BuildRequires:  doxygen