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1 | Summary: Parallel bzip2/bunzip2 Filter | |
2 | Name: lbzip2 | |
3 | Version: 0.20 | |
4 | Release: 1 | |
5 | Source0: http://lacos.web.elte.hu/pub/lbzip2/%{name}-%{version}.tar.gz | |
6 | # Source0-md5: 9f5479de40f928e77062a62c8a74d831 | |
7 | Patch1: %{name}-makefile.patch | |
8 | License: GPL v2+ | |
9 | Group: Applications/Archiving | |
10 | URL: http://lacos.hu/ | |
11 | BuildRequires: bzip2-devel | |
12 | BuildRoot: %{tmpdir}/%{name}-%{version}-root-%(id -u -n) | |
13 | ||
14 | %description | |
15 | Lbzip2 is a Pthreads-based parallel bzip2/bunzip2 filter, passable to | |
16 | GNU tar with the --use-compress-program option. | |
17 | ||
18 | It isn't restricted to regular files on input, nor output. Successful | |
19 | splitting for decompression isn't guaranteed, just very likely | |
20 | (failure is detected). Splitting in both modes and compression itself | |
21 | occur with an approximate 900k block size. | |
22 | ||
23 | On an Athlon-64 X2 6000+, lbzip2 was 92% faster than standard bzip2 | |
24 | when compressing, and 45% faster when decompressing (based on wall | |
25 | clock time). | |
26 | ||
27 | Lbzip2 strives to be portable by requiring UNIX 98 APIs only, besides | |
28 | an unmodified libbz2. | |
29 | ||
30 | %prep | |
31 | %setup -q -n %{name} | |
32 | %patch1 | |
33 | ||
34 | %build | |
35 | %{__make} \ | |
36 | CC="%{__cc}" \ | |
37 | OPTFLAGS="%{optflags}" | |
38 | ||
39 | %install | |
40 | rm -rf $RPM_BUILD_ROOT | |
41 | install -D lbzip2 $RPM_BUILD_ROOT%{_bindir}/lbzip2 | |
42 | install -D lbzip2.1 $RPM_BUILD_ROOT%{_mandir}/man1/lbzip2.1 | |
43 | ||
44 | %clean | |
45 | rm -rf "$RPM_BUILD_ROOT" | |
46 | ||
47 | %files | |
48 | %defattr(644,root,root,755) | |
49 | %doc ChangeLog README | |
50 | %attr(755,root,root) %{_bindir}/lbzip2 | |
51 | %{_mandir}/man1/lbzip2.1* |