Reduce macro indirection in spec file

cairomm.spec

@@ -15,7 +15,7 @@ URL:            https://www.cairographics.org
 License:        LGPLv2+
 
 %global src_base https://www.cairographics.org/releases
-Source0:        %{src_base}/%{name}-%{version}.tar.xz
+Source0:        %{src_base}/cairomm-%{version}.tar.xz
 # No keyring with authorized GPG signing keys is published
 # (https://gitlab.freedesktop.org/freedesktop/freedesktop/-/issues/331), but we
 # are able to verify the signature using the key for Kjell Ahlstedt from
@@ -65,7 +65,7 @@ BuildRequires:  boost-devel
 # package providing the new 1.16 API/ABI series. This virtual Provides is
 # therefore no longer required, as dependent packages requiring the 1.0 API/ABI
 # may safely require cairomm and its subpackages.
-Provides:       %{name}%{apiver}%{?_isa} = %{version}-%{release}
+Provides:       cairomm%{apiver}%{?_isa} = %{version}-%{release}
 
 %description
 This library provides a C++ interface to cairo.
@@ -74,30 +74,31 @@ The API/ABI version series is %{apiver}.
 
 
 %package        devel
-Summary:        Development files for %{name}
-Requires:       %{name}%{?_isa} = %{version}-%{release}
+Summary:        Development files for cairomm
+Requires:       cairomm%{?_isa} = %{version}-%{release}
 
-Provides:       %{name}%{apiver}-devel%{?_isa} = %{version}-%{release}
+Provides:       cairomm%{apiver}-devel%{?_isa} = %{version}-%{release}
 
 %description    devel
-The %{name}-devel package contains libraries and header files for developing
-applications that use %{name}.
+The cairomm-devel package contains libraries and header files for developing
+applications that use cairomm.
 
 The API/ABI version series is %{apiver}.
 
 
 %package        doc
-Summary:        Documentation for %{name}
+Summary:        Documentation for cairomm
 BuildArch:      noarch
+
 Requires:       libstdc++-docs
 Requires:       libsigc++20-doc
 
-Provides:       %{name}%{apiver}-doc = %{version}-%{release}
+Provides:       cairomm%{apiver}-doc = %{version}-%{release}
 
 %description    doc
-Documentation for %{name} can be viewed either through the devhelp
+Documentation for cairomm can be viewed either through the devhelp
 documentation browser or through a web browser at
-%{_datadir}/doc/%{name}-%{apiver}/.
+%{_docdir}/cairomm-%{apiver}/.
 
 The API/ABI version series is %{apiver}.
 
@@ -108,11 +109,11 @@ The API/ABI version series is %{apiver}.
 workdir="$(mktemp --directory)"
 gpg2 --homedir="${workdir}" --yes --import '%{SOURCE2}'
 gpg2 --homedir="${workdir}" --export --export-options export-minimal \
-    > %{name}.gpg
+    > cairomm.gpg
 rm -rf "${workdir}"
 
 %{gpgverify} \
-    --keyring='%{name}.gpg' --signature='%{SOURCE1}' --data='%{SOURCE0}'
+    --keyring='cairomm.gpg' --signature='%{SOURCE1}' --data='%{SOURCE0}'
 
 %autosetup
 # We must remove the jQuery/jQueryUI bundle with precompiled/minified/bundled
@@ -122,8 +123,8 @@ rm -rf "${workdir}"
 # the documentation. While we are at it, we might as well rebuild the devhelp
 # XML too.
 rm -rf untracked/docs/reference/html
-rm untracked/docs/reference/%{name}-%{apiver}.tag \
-   untracked/docs/reference/%{name}-%{apiver}.devhelp2
+rm untracked/docs/reference/cairomm-%{apiver}.tag \
+   untracked/docs/reference/cairomm-%{apiver}.devhelp2
 
 
 %build
@@ -141,9 +142,9 @@ rm untracked/docs/reference/%{name}-%{apiver}.tag \
 %meson_install
 find %{buildroot} -type f -name '*.la' -print -delete
 
-install -t %{buildroot}%{_datadir}/doc/%{name}-%{apiver} -m 0644 -p \
+install -t %{buildroot}%{_docdir}/cairomm-%{apiver} -m 0644 -p \
     AUTHORS ChangeLog MAINTAINERS NEWS README
-cp -rp examples %{buildroot}%{_datadir}/doc/%{name}-%{apiver}/
+cp -rp examples %{buildroot}%{_docdir}/cairomm-%{apiver}/
 
 
 %check
@@ -152,21 +153,21 @@ cp -rp examples %{buildroot}%{_datadir}/doc/%{name}-%{apiver}/
 
 %files
 %license COPYING
-%{_libdir}/lib%{name}-%{apiver}.so.%{so_version}
-%{_libdir}/lib%{name}-%{apiver}.so.%{so_version}.*
+%{_libdir}/libcairomm-%{apiver}.so.%{so_version}
+%{_libdir}/libcairomm-%{apiver}.so.%{so_version}.*
 
 
 %files devel
-%{_includedir}/%{name}-%{apiver}
-%{_libdir}/lib%{name}-%{apiver}.so
-%{_libdir}/pkgconfig/%{name}-%{apiver}.pc
-%{_libdir}/pkgconfig/%{name}-*-%{apiver}.pc
-%{_libdir}/%{name}-%{apiver}
+%{_includedir}/cairomm-%{apiver}
+%{_libdir}/libcairomm-%{apiver}.so
+%{_libdir}/pkgconfig/cairomm-%{apiver}.pc
+%{_libdir}/pkgconfig/cairomm-*-%{apiver}.pc
+%{_libdir}/cairomm-%{apiver}
 
 
 %files doc
 %license COPYING
-%doc %{_datadir}/doc/%{name}-%{apiver}/
+%doc %{_docdir}/cairomm-%{apiver}/
 %doc %{_datadir}/devhelp/