Fix FTBFS due to missing buildreq perl-devel

- Fix FTBFS due to missing buildreq perl-devel
- Simplify find command using -empty and -delete
- Drop redundant Group: tag

perl-Math-BigInt-GMP.spec

@@ -1,9 +1,8 @@
 Name:           perl-Math-BigInt-GMP
 Version:        1.49
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Use the GMP library for Math::BigInt routines
 License:        GPL+ or Artistic
-Group:          Development/Libraries
 URL:            http://search.cpan.org/dist/Math-BigInt-GMP/
 Source0:        http://search.cpan.org/CPAN/authors/id/P/PJ/PJACKLAM/Math-BigInt-GMP-%{version}.tar.gz
 # Module Build
@@ -13,6 +12,7 @@ BuildRequires:  gcc
 BuildRequires:  gmp-devel
 BuildRequires:  make
 BuildRequires:  perl
+BuildRequires:  perl-devel
 BuildRequires:  perl(Config)
 BuildRequires:  perl(Exporter)
 BuildRequires:  perl(ExtUtils::MakeMaker) >= 6.75
@@ -63,7 +63,7 @@ make %{?_smp_mflags}
 
 %install
 make install DESTDIR=%{buildroot}
-find %{buildroot} -type f -name '*.bs' -size 0 -exec rm -f {} \;
+find %{buildroot} -type f -name '*.bs' -empty -delete
 %{_fixperms} %{buildroot}
 
 %check
@@ -77,6 +77,11 @@ make test
 %{_mandir}/man3/Math::BigInt::GMP.3*
 
 %changelog
+* Thu Apr 21 2016 Paul Howarth <paul@city-fan.org> - 1.49-3
+- Fix FTBFS due to missing buildreq perl-devel
+- Simplify find command using -empty and -delete
+- Drop redundant Group: tag
+
 * Thu Feb 04 2016 Fedora Release Engineering <releng@fedoraproject.org> - 1.49-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild