ok, I will try it. Thanks! : )

在 2020年10月3日星期六,Neal Gompa <ngompa13@gmail.com> 写道:
On Sat, Oct 3, 2020 at 10:18 AM Vitaly Zaitsev via devel
<devel@lists.fedoraproject.org> wrote:
>
> On 03.10.2020 15:47, Ruki Wang wrote:
> > I try `%?set_build_flags` and it works fine.
>
> No, it will not. This command will just force RPM to ignore errors. No
> actual build flags will be forwarded.
>
> You need to create separate SPEC files for Fedora and openSUSE.
>

That's not even close to true. The solution is quite simple for
handling openSUSE Leap.

Instead of "%set_build_flags" or "%?set_build_flags", do the following:

%if 0%{?suse_version} && 0%{?suse_version} < 1550
export CFLAGS="%{optflags}"
export CXXFLAGS="%{optflags}"
%else
%set_build_flags
%endif



--
真実はいつも一つ!/ Always, there's only one truth!
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Ruki Wang 
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