Fix FTBFS due to missing buildreq perl-devel

- Fix FTBFS due to missing buildreq perl-devel
- Simplify find command using -empty and -delete
- Use %{_fixperms} macro rather than our own chmod incantation
- Make %files list more explicit

perl-Digest-CRC.spec

@@ -1,15 +1,20 @@
 Name:           perl-Digest-CRC
 Version:        0.21
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Generic CRC functions
 Group:          Development/Libraries
 License:        Public Domain
 URL:            http://search.cpan.org/dist/Digest-CRC
 Source0:        http://search.cpan.org/CPAN/authors/id/O/OL/OLIMAUL/Digest-CRC-%{version}.tar.gz
 # Build
+BuildRequires:  coreutils
+BuildRequires:  findutils
+BuildRequires:  gcc
+BuildRequires:  make
 BuildRequires:  perl
+BuildRequires:  perl-devel
 BuildRequires:  perl(Config)
-BuildRequires:  perl(ExtUtils::MakeMaker)
+BuildRequires:  perl(ExtUtils::MakeMaker) >= 6.76
 # Runtime
 BuildRequires:  perl(DynaLoader)
 BuildRequires:  perl(Exporter)
@@ -18,6 +23,7 @@ BuildRequires:  perl(Symbol)
 BuildRequires:  perl(vars)
 # Tests only
 BuildRequires:  perl(Fcntl)
+# Dependencies
 Requires:       perl(:MODULE_COMPAT_%(eval "$(perl -V:version)"; echo $version))
 Requires:       perl(DynaLoader)
 Requires:       perl(Symbol)
@@ -35,19 +41,25 @@ make %{?_smp_mflags}
 
 %install
 make pure_install DESTDIR=%{buildroot}
-find %{buildroot} -type f -name '*.bs' -size 0 -exec rm -f {} +
-chmod -R u+w %{buildroot}/*
+find %{buildroot} -type f -name '*.bs' -empty -delete
+%{_fixperms} %{buildroot}
 
 %check
 make test
 
 %files
 %doc Changes README
-%{perl_vendorarch}/auto/*
-%{perl_vendorarch}/Digest
-%{_mandir}/man3/*.3*
+%{perl_vendorarch}/auto/Digest/
+%{perl_vendorarch}/Digest/
+%{_mandir}/man3/Digest::CRC.3*
 
 %changelog
+* Tue Apr 19 2016 Paul Howarth <paul@city-fan.org> - 0.21-5
+- Fix FTBFS due to missing buildreq perl-devel
+- Simplify find command using -empty and -delete
+- Use %%{_fixperms} macro rather than our own chmod incantation
+- Make %%files list more explicit
+
 * Thu Feb 04 2016 Fedora Release Engineering <releng@fedoraproject.org> - 0.21-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild