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Name: flex
Version: 2.6.4.0.88.9801
Release: alt2

Summary: A fast lexical analyzer generator
License: BSD-3-Clause
Group: Development/Other
Url: https://github.com/westes/flex

# git://git.altlinux.org/gears/f/%name.git
Source: %name-%version-%release.tar

Requires: m4 >= 0:1.4
Conflicts: flex-old

BuildRequires: flex help2man makeinfo
%{?!_without_check:%{?!_disable_check:BuildRequires: gcc-c++}}

%description
flex is a tool for generating scanners: programs which recognized
lexical patterns in text.  flex reads the given input files for a
description of a scanner to generate.  The description is in the form
of pairs of regular expressions and C code, called rules.  flex
generates as output a C source file, lex.yy.c, which defines a routine
yylex().  This file is compiled and linked with the -lfl library
to produce an executable.  When the executable is run, it analyzes
its input for occurrences of the regular expressions.
Whenever it finds one, it executes the corresponding C code.

The behaviour of Flex has undergone a major change since version
2.5.4a.  Flex scanners are now reentrant, you may have multiple
scanners in the same program with differing sets of defaults, and
they play nicer with modern C and C++ compilers.  The Flip side is
that Flex no longer conforms to the POSIX lex behaviour, and the
scanners require conforming implementations when flex is used in ANSI
C mode.  The package flex-old provides the older behaviour.

%prep
%setup -n %name-%version-%release

%build
%{?optflags_lto:%global optflags_lto %optflags_lto -ffat-lto-objects}
%autoreconf
%configure --disable-shared
%make_build CFLAGS="$RPM_OPT_FLAGS -fPIC" dist_doc_DATA=

%install
%makeinstall_std dist_doc_DATA=

ln -s flex %buildroot%_bindir/lex
ln -s libfl.a %buildroot%_libdir/libl.a
ln -s libfl.a %buildroot%_libdir/libfl_pic.a
ln -s flex.1 %buildroot%_man1dir/lex.1
ln -s flex.1 %buildroot%_man1dir/flex++.1

%find_lang %name

%define _unpackaged_files_terminate_build 1
%define _stripped_files_terminate_build 1
%set_verify_elf_method strict

%check
%make_build -k check dist_doc_DATA=

%files -f %name.lang
%doc AUTHORS COPYING NEWS README.md examples
%_bindir/*lex*
%_libdir/lib*.a
%_includedir/*.h
%_pkgconfigdir/libfl.pc
%_mandir/man?/*lex*
%_infodir/flex.info*

%changelog
…
Полный changelog можно просмотреть здесь