Modernize a spec file

perl-MIME-Charset.spec

@@ -9,10 +9,9 @@ Source0:        https://cpan.metacpan.org/authors/id/N/NE/NEZUMI/MIME-Charset-%{
 Patch0:         MIME-Charset-1.012-Do-not-install-modules-from-the-Internet.patch
 BuildArch:      noarch
 BuildRequires:  coreutils
-BuildRequires:  findutils
 BuildRequires:  make
-BuildRequires:  perl-interpreter
 BuildRequires:  perl-generators
+BuildRequires:  perl-interpreter
 BuildRequires:  perl(inc::Module::Install)
 BuildRequires:  perl(Module::Install::Metadata)
 BuildRequires:  perl(Module::Install::Win32)
@@ -36,7 +35,6 @@ BuildRequires:  perl(Test)
 BuildRequires:  perl(Test::More)
 # Optional tests:
 BuildRequires:  perl(Test::Pod) >= 1.00
-BuildRequires:  sed
 Requires:       perl(:MODULE_COMPAT_%(eval "`perl -V:version`"; echo $version))
 
 # Filter under-specified symbols
@@ -51,16 +49,15 @@ messages on Internet.
 %patch0 -p1
 # Remove bundled modules
 rm -rf ./inc
-sed -i -e '/^inc\//d' MANIFEST
+perl -i -ne 'print $_ unless m{^inc/}' MANIFEST
 
 %build
-perl Makefile.PL INSTALLDIRS=vendor
-make %{?_smp_mflags}
+perl Makefile.PL INSTALLDIRS=vendor NO_PACKLIST=1 NO_PERLLOCAL=1
+%{make_build}
 
 %install
-make pure_install DESTDIR=$RPM_BUILD_ROOT
-find $RPM_BUILD_ROOT -type f -name .packlist -exec rm -f {} \;
-%{_fixperms} $RPM_BUILD_ROOT/*
+%{make_install}
+%{_fixperms} %{buildroot}/*
 
 %check
 make test