File project.diff of Package pgbouncer

--- pgbouncer.spec.orig
+++ pgbouncer.spec
@@ -53,25 +53,22 @@ BuildRequires:  sysuser-tools
 %{systemd_ordering}
 Recommends:     logrotate
 
+BuildRequires:  declarative-macros
+BuildSystem:    autotools
+BuildOption:    --bindir=%{_sbindir}
+BuildOption:    --docdir=%{_defaultdocdir}/%{name}
+BuildOption:    --enable-evdns
+BuildOption:    --with-pam
+BuildOption:    --with-systemd
+BuildOption:    --with-root-ca-file=%{_sysconfdir}/ssl/ca-bundle.pem
+
 %description
 Lightweight connection pooler for PostgreSQL.
 
-%prep
-%autosetup -p1
-
-%build
-%configure \
-  --bindir=%{_sbindir} \
-  --docdir=%{_defaultdocdir}/%{name} \
-  --enable-evdns \
-  --with-pam \
-  --with-systemd \
-  --with-root-ca-file=%{_sysconfdir}/ssl/ca-bundle.pem
-%make_build
+%build -a
 %sysusers_generate_pre %{SOURCE5} %{name}
 
-%install
-%make_install V=1
+%install -a
 install -m 0644 \
     AUTHORS COPYRIGHT *.md \
     doc/*.md etc/mkauth.py \