forked from pool/perl-constant-defer
77 lines
2.5 KiB
RPMSpec
77 lines
2.5 KiB
RPMSpec
#
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# spec file for package perl-constant-defer
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#
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# Copyright (c) 2015 SUSE LINUX GmbH, Nuernberg, Germany.
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#
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# All modifications and additions to the file contributed by third parties
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# remain the property of their copyright owners, unless otherwise agreed
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# upon. The license for this file, and modifications and additions to the
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# file, is the same license as for the pristine package itself (unless the
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# license for the pristine package is not an Open Source License, in which
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# case the license is the MIT License). An "Open Source License" is a
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# license that conforms to the Open Source Definition (Version 1.9)
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# published by the Open Source Initiative.
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# Please submit bugfixes or comments via http://bugs.opensuse.org/
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#
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Name: perl-constant-defer
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Version: 6
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Release: 0
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#Upstream: GPL-1.0+
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%define cpan_name constant-defer
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Summary: Constant Subs with Deferred Value Calculation
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License: GPL-3.0+
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Group: Development/Libraries/Perl
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Url: http://search.cpan.org/dist/constant-defer/
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Source0: http://www.cpan.org/authors/id/K/KR/KRYDE/%{cpan_name}-%{version}.tar.gz
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Source1: cpanspec.yml
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Source100: README.md
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BuildArch: noarch
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BuildRoot: %{_tmppath}/%{name}-%{version}-build
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BuildRequires: perl
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BuildRequires: perl-macros
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%{perl_requires}
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%description
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'constant::defer' creates a subroutine which on the first call runs given
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code to calculate its value, and on any subsequent calls just returns that
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value, like a constant. The value code is discarded once run, allowing it
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to be garbage collected.
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Deferring a calculation is good if it might take a lot of work or produce a
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big result but is only needed sometimes or only well into a program run. If
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it's never needed then the value code never runs.
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A deferred constant is generally not inlined or folded (see the
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perlop/Constant Folding manpage) since it's not a single scalar value. In
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the current implementation a deferred constant becomes a plain constant
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after the first use, so may inline etc in code compiled after that (see the
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/IMPLEMENTATION manpage below).
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See _examples/simple.pl_ in the constant-defer source code for a complete
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sample program.
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%prep
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%setup -q -n %{cpan_name}-%{version}
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find . -type f -print0 | xargs -0 chmod 644
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%build
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%{__perl} Makefile.PL INSTALLDIRS=vendor
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%{__make} %{?_smp_mflags}
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%check
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%{__make} test
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%install
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%perl_make_install
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%perl_process_packlist
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%perl_gen_filelist
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%files -f %{name}.files
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%defattr(-,root,root,755)
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%doc Changes COPYING examples README
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%changelog
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