Spec file cleanups: Use make_build and make_install macros

https://docs.fedoraproject.org/en-US/packaging-guidelines/#_parallel_make
https://fedoraproject.org/wiki/Perl/Tips#ExtUtils::MakeMake

perl-Math-BigInt-FastCalc.spec

@@ -1,7 +1,7 @@
 Name:           perl-Math-BigInt-FastCalc
 %global cpan_version 0.5009
 Version:        0.500.900
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Math::BigInt::Calc with some XS for more speed
 License:        GPL+ or Artistic
 URL:            https://metacpan.org/release/Math-BigInt-FastCalc
@@ -46,11 +46,12 @@ This Perl module provides support for fast big integer calculations.
 %setup -q -n Math-BigInt-FastCalc-%{cpan_version}
 
 %build
-perl Makefile.PL INSTALLDIRS=vendor NO_PACKLIST=1 OPTIMIZE="$RPM_OPT_FLAGS"
-make %{?_smp_mflags}
+perl Makefile.PL INSTALLDIRS=vendor NO_PACKLIST=1 OPTIMIZE="$RPM_OPT_FLAGS" \
+                 NO_PERLLOCAL=1
+%make_build
 
 %install
-make pure_install DESTDIR=$RPM_BUILD_ROOT
+%make_install
 find $RPM_BUILD_ROOT -type f -name '*.bs' -size 0 -delete
 %{_fixperms} $RPM_BUILD_ROOT/*
 
@@ -66,6 +67,11 @@ make test
 %{_mandir}/man3/*
 
 %changelog
+* Wed Feb 05 2020 Tom Stellard <tstellar@redhat.com> - 0.500.900-3
+- Spec file cleanups: Use make_build and make_install macros
+- https://docs.fedoraproject.org/en-US/packaging-guidelines/#_parallel_make
+- https://fedoraproject.org/wiki/Perl/Tips#ExtUtils::MakeMake
+
 * Thu Jan 30 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.500.900-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild