a7e9b6a17b
This adds --with-gzip, --with-bzip2 etc. switches to the configure, so that one can do, e.g. ./configure --with-bzip2=lbzip2 and have lbzip2 executed whenever user calls `tar --bzip2'. * acinclude.m4: New file. * configure.ac: Add TAR_COMPR_PROGRAM invocations for the supported compressors. * src/buffer.c (magic): Use *_COMPRESSOR defines instead of hardcoded program names. * src/suffix.c (compression_suffixes): Likewise.
27 lines
1.2 KiB
Plaintext
27 lines
1.2 KiB
Plaintext
dnl Special Autoconf macros for GNU Tar -*- autoconf -*-
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dnl Copyright (C) 2009 Free Software Foundation, Inc.
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dnl
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dnl GNU tar is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation; either version 3, or (at your option)
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dnl any later version.
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dnl
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dnl GNU tar is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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dnl GNU General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU General Public License along
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dnl with GNU tar. If not, see <http://www.gnu.org/licenses/>.
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AC_DEFUN([TAR_COMPR_PROGRAM],[
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m4_pushdef([tar_compr_define],translit($1,[a-z+-],[A-ZX_])[_PROGRAM])
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m4_pushdef([tar_compr_var],[tar_cv_compressor_]translit($1,[+-],[x_]))
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AC_ARG_WITH([--with-]$1,
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AC_HELP_STRING([--with-]$1[=PROG],
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[use PROG as ]$1[ compressor program]),
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[tar_compr_var=${withvar}],
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[tar_compr_var=m4_if($2,,$1,$2)])
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AC_DEFINE_UNQUOTED(tar_compr_define, "$tar_compr_var",
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[Define to the program name of ]$1[ compressor program])])
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