yum install rpm-build

     rpmbuild -ba nginx.spec //会报错，没有文件或目录

    vi webrtc-server.spec

    Name: webrtc-server
    Version: 1.0	
    Release: 1.0
    Summary: webrtc-server
    Group: System	
    License: GPL
    BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
    Requires: etcd redis supervisor
    
    %description
    webrtc-server
    
    %prep
    echo "do not"
    
    %install
    cp -ar %{_sourcedir}/opt %{buildroot}/
    
    chmod 755 %{buildroot}/opt/dispatch/bin/dispatch
    chmod 755 %{buildroot}/opt/signal_a/bin/sdn-signal-server
    chmod 755 %{buildroot}/opt/record/bin/sdn-record-server
    chmod 755 %{buildroot}/opt/record/data
    
    mkdir -p  %{buildroot}/var/log/signal_a
    install -m 755 %{_sourcedir}/server.log %{buildroot}/var/log/signal_a/server.log
    mkdir -p  %{buildroot}/var/log/record
    install -m 755 %{_sourcedir}/server.log %{buildroot}/var/log/record/server.log
    
    mkdir -p %{buildroot}/etc/supervisord.d
    install -m 755 %{_sourcedir}/dispatch.conf %{buildroot}/etc/supervisord.d/dispatch.conf
    install -m 755 %{_sourcedir}/signal-a.conf %{buildroot}/etc/supervisord.d/signal-a.conf
    install -m 755 %{_sourcedir}/record.conf %{buildroot}/etc/supervisord.d/record.conf
    
    %files
    %defattr(-,root,root,-)
    /opt/dispatch
    /opt/signal_a
    /opt/record
    
    %doc
    /etc/supervisord.d/dispatch.conf
    /etc/supervisord.d/signal-a.conf
    /etc/supervisord.d/record.conf
    /var/log/record/server.log
    /var/log/signal_a/server.log
    
    %pre
    %post
    supervisorctl update
    
    %preun
    rm -rf /opt/dispatch
    rm -rf /opt/signal_a
    rm -rf /opt/record
    rm -rf /var/log/signal_a
    rm -rf /var/log/record
    
    %changelog
    * Wed Jan 19 2022 <157****0273@126.com> - 1.0.0.1
    - your writing

    rpmbuild -bb webrtc.spec