Modernize a spec file

.rpmlint

@@ -0,0 +1,2 @@
+from Config import *
+addFilter("spelling-error .* unmanaged");

xosd.spec

@@ -1,18 +1,23 @@
 Name:           xosd
 Version:        2.2.14
-Release:        27%{?dist}
+Release:        28%{?dist}
 Summary:        On-screen display library for X
-Group:          System Environment/Libraries
 License:        GPLv2+
 URL:            http://sourceforge.net/projects/libxosd/
 Source:         http://downloads.sourceforge.net/libxosd/%{name}-%{version}.tar.gz
 Patch0:         %{name}-aclocal18.patch
 Patch1:         %{name}-2.2.14-Do-not-install-some-manual-pages-twice.patch
+BuildRequires:  autoconf
+BuildRequires:  automake
+BuildRequires:  coreutils
+# glibc-common for iconv
+BuildRequires:  glibc-common
+BuildRequires:  libtool
 BuildRequires:  libX11-devel
 BuildRequires:  libXext-devel
 BuildRequires:  libXinerama-devel
-# Update config.sub to support aarch64, bug #926836
-BuildRequires:  autoconf automake libtool
+BuildRequires:  make
+BuildRequires:  perl-interpreter
 # As of 2.2.14, the default font *must* be found, even if not used (#183971)
 Requires:       xorg-x11-fonts-base
 # XMMS is dead, gdk-pixbuf-0 is dead. Dropping xmms plug-in.
@@ -26,7 +31,6 @@ the effect of an On Screen Display, like your TV/VCR etc.
 
 %package        devel
 Summary:        Development files for the XOSD on-screen display library
-Group:          Development/Libraries
 Requires:       %{name}%{?_isa} = %{version}-%{release}
 Requires:       libX11-devel
 Requires:       libXext-devel
@@ -40,9 +44,10 @@ on-screen display.
 %setup -q
 %patch0 -p0
 %patch1 -p1
-# Update config.sub to support aarch64, bug #926836
+# XMMS is dead, gdk-pixbuf-0 is dead. Dropping xmms plug-in.
 sed -i -e '/AM_PATH_GTK/,+1 d' -e '/AM_PATH_XMMS/,+1 d' \
     -e '/AM_PATH_GDK_PIXBUF/,+1 d' configure.ac
+# Update config.sub to support aarch64, bug #926836
 autoreconf -i -f
 for f in ChangeLog man/xosd_{create,destroy,display,is_onscreen,set_bar_length}.3 ; do
     iconv -f iso-8859-1 -t utf-8 "$f" > "${f}.utf8"
@@ -50,7 +55,6 @@ for f in ChangeLog man/xosd_{create,destroy,display,is_onscreen,set_bar_length}.
     mv "${f}.utf8" "$f"
 done
 
-
 %build
 %configure --disable-dependency-tracking --disable-static \
     --disable-gtktest --disable-gdk_pixbuftest \
@@ -58,8 +62,7 @@ done
     --disable-beep_media_player_plugin\
     --enable-xinerama
 make %{?_smp_mflags}
-%{__perl} -pi -e "s|$RPM_OPT_FLAGS\\s*|| ; s|\\s*-Wall||" script/xosd-config
-
+perl -pi -e "s|$RPM_OPT_FLAGS\\s*|| ; s|\\s*-Wall||" script/xosd-config
 
 %install
 make install DESTDIR=$RPM_BUILD_ROOT
@@ -67,14 +70,11 @@ rm -f $RPM_BUILD_ROOT{%{_libdir},%{xmms_plugdir}}/*.la
 # Pixmaps are needed only by unsupported XMMS plug-in.
 rm -rf $RPM_BUILD_ROOT%{_datadir}/%{name}
 
-
-%post -p /sbin/ldconfig
-
-%postun -p /sbin/ldconfig
-
+%ldconfig_scriptlets
 
 %files
-%doc AUTHORS ChangeLog COPYING README TODO
+%license COPYING
+%doc AUTHORS ChangeLog README TODO
 %{_bindir}/osd_cat
 %{_libdir}/libxosd.so.*
 %{_mandir}/man1/osd_cat.1*
@@ -88,6 +88,9 @@ rm -rf $RPM_BUILD_ROOT%{_datadir}/%{name}
 %{_mandir}/man3/xosd*.3*
 
 %changelog
+* Fri Mar 23 2018 Petr Pisar <ppisar@redhat.com> - 2.2.14-28
+- Modernize a spec file
+
 * Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 2.2.14-27
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild