xz/xz.spec

%define major 5
%define lname lzma
%define libname %mklibname %{lname} %{major}
%define devname %mklibname %{lname} -d

%define gitdate 0

Summary:	XZ utils
Name:		xz
Version:	5.2.9
Release:	1
License:	Public Domain
Group:		Archiving/Compression
Url:		https://tukaani.org/xz/
Source0:	https://tukaani.org/xz/%{name}-%{version}.tar.xz
Source1:		xzme
Patch0:		xz-5.2.0-text-tune.patch
Patch1:		xz-5.2.9-man-page-day.patch
# clearlinux
Patch2:		speedup.patch
Patch3:		default-threading.patch
Patch4:		io-size.patch
# Needed by check suite
BuildRequires:	diffutils
%rename	lzma
%rename	lzma-utils

%description
XZ provides very high compression ratio and fast decompression. The core of
the XZ utils is Igor Pavlov's LZMA SDK containing the actual LZMA
encoder/decoder. LZMA utils add a few scripts which provide gzip-like
command line interface and a couple of other XZ related tools. It also
provides:
- Average compression ratio 30% better than that of gzip and 15% better than
   that of bzip2.
- Decompression speed is only little slower than that of gzip, being two to
   five times faster than bzip2.
- In fast mode, compresses faster than bzip2 with a comparable compression
   ratio.
- Achieving the best compression ratios takes four to even twelve times longer
  than with bzip2. However. this doesn't affect decompressing speed.
- Very similar command line interface than what gzip and bzip2 have.

%files -f %{name}.lang
%doc %{_docdir}/%{name}
%{_bindir}/*
%{_mandir}/man1/*
%{_mandir}/*/man1

#----------------------------------------------------------------------------

%package -n	%{libname}
Summary:	Libraries for decoding XZ/LZMA compression
Group:		System/Libraries
# Compat with Fedora/RH
Provides:		xz-libs = %{EVRD}

%description -n	%{libname}
Libraries for decoding XZ/LZMA compression.

%files -n %{libname}
%doc COPYING
/%{_lib}/liblzma.so.%{major}*

#----------------------------------------------------------------------------

%package -n	%{devname}
Summary:	Devel libraries & headers for liblzma
Group:		Development/C
Requires:	%{libname} = %{EVRD}
Provides:		%{lname}-devel = %{EVRD}
Provides:		lib%{lname}-devel = %{EVRD}
Provides:		%{name}-devel = %{EVRD}

%description -n %{devname}
Devel libraries & headers for liblzma.

%files -n %{devname}
%doc COPYING
%{_includedir}/%{lname}.h
%dir %{_includedir}/%{lname}
%{_includedir}/%{lname}/*.h
%{_libdir}/*.so
%{_libdir}/*.a
%{_libdir}/pkgconfig/lib%{lname}.pc

#----------------------------------------------------------------------------

%prep
%autosetup -p1

# Patch3 turns on multithreading by default, but there are memory limits on 32 bit
# and xz(1) and liblzma do not control it by themselves
# https://bugzilla.redhat.com/show_bug.cgi?id=1196786
# https://github.com/rpm-software-management/rpm/commit/a60f36a55cff3331e8bef3a1ab95c87d313911bb
# It makes xz fail in various places, e.g. when building the Linux kernel
%if "%{__isa_bits}" != "64"
%patch3 -p1 -R
%endif

%build
%config_update
export CONFIGURE_TOP=`pwd`
mkdir objs
pushd objs
	CFLAGS="%{optflags} -O3 -funroll-loops" \
	%configure --enable-static
	%make
popd


%install
%makeinstall_std -C objs

install -d %{buildroot}/%{_lib}
mv %{buildroot}%{_libdir}/*.so.* %{buildroot}/%{_lib}/
rm -f %{buildroot}%{_libdir}/liblzma.so
ln -sr %{buildroot}/%{_lib}/liblzma.so.%{major} %{buildroot}%{_libdir}/liblzma.so

install -m755 %{SOURCE1} -D %{buildroot}%{_bindir}/xzme

%find_lang %{name}


%check
make check -C objs