652 lines
19 KiB
Plaintext
652 lines
19 KiB
Plaintext
# -*- Autoconf -*-
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# Process this file with autoconf to produce a configure script.
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###############################################################################
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#
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# Copyright (C) 2007 Lasse Collin
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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###############################################################################
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# NOTE: Don't add useless checks. autoscan detects this and that, but don't
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# let it confuse you. For example, we don't care about checking for behavior
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# of malloc(), stat(), or lstat(), since we don't use those functions in
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# a way that would cause the problems the autoconf macros check.
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AC_PREREQ(2.61)
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# [LZMA] instead of [LZMA utils] since I prefer to have lzma-version.tar.gz
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# instead of lzma-utils-version.tar.gz.
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AC_INIT([LZMA], [4.42.3alpha], [lasse.collin@tukaani.org])
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AC_CONFIG_SRCDIR([src/liblzma/common/common.h])
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AC_CONFIG_HEADER([config.h])
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echo
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echo "LZMA Utils $PACKAGE_VERSION"
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echo
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echo "System type:"
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# This is needed to know if assembler optimizations can be used.
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AC_CANONICAL_HOST
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echo
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echo "Configure options:"
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# Enable/disable debugging code:
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AC_MSG_CHECKING([if debugging code should be compiled])
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AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [Enable debugging code.]),
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[], enable_debug=no)
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if test "x$enable_debug" = xyes; then
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AC_MSG_RESULT([yes])
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else
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AC_DEFINE(NDEBUG, 1, [Define to disable debugging code.])
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AC_MSG_RESULT([no])
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fi
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# Enable/disable the encoder components:
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AC_MSG_CHECKING([if encoder components should be built])
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AC_ARG_ENABLE(encoder, AC_HELP_STRING([--disable-encoder],
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[Do not build the encoder components.]),
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[], enable_encoder=yes)
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if test "x$enable_encoder" = xyes; then
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AC_DEFINE([HAVE_ENCODER], 1,
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[Define to 1 if encoder components are enabled.])
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AC_MSG_RESULT([yes])
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else
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AC_MSG_RESULT([no])
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fi
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AM_CONDITIONAL(COND_MAIN_ENCODER, test "x$enable_encoder" = xyes)
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# Enable/disable the decoder components:
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AC_MSG_CHECKING([if decoder components should be built])
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AC_ARG_ENABLE(decoder, AC_HELP_STRING([--disable-decoder],
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[Do not build the decoder components.]),
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[], enable_decoder=yes)
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if test "x$enable_decoder" = xyes; then
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AC_DEFINE([HAVE_DECODER], 1,
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[Define to 1 if decoder components are enabled.])
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AC_MSG_RESULT([yes])
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else
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AC_MSG_RESULT([no])
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if test "x$enable_encoder" = xno; then
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AC_MSG_ERROR([Do not disable both encoder and decoder.])
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fi
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fi
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AM_CONDITIONAL(COND_MAIN_DECODER, test "x$enable_decoder" = xyes)
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# Filters
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AC_MSG_CHECKING([which filters to build])
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AC_ARG_ENABLE(filters, AC_HELP_STRING([--enable-filters=],
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[Comma-separated list of filters to build. Default=all.
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Filters used in encoding are needed also in decoding.
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Available filters: copy subblock x86 powerpc ia64
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arm armthumb sparc delta lzma]),
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[], [enable_filters=copy,subblock,x86,powerpc,ia64,arm,armthumb,sparc,delta,lzma])
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enable_filters=`echo "$enable_filters" | sed 's/,/ /g'`
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enable_filters_copy=no
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enable_filters_subblock=no
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enable_filters_x86=no
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enable_filters_powerpc=no
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enable_filters_ia64=no
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enable_filters_arm=no
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enable_filters_armthumb=no
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enable_filters_sparc=no
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enable_filters_delta=no
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enable_filters_lzma=no
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enable_simple_filters=no
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if test "x$enable_filters" = xno || test "x$enable_filters" = x; then
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AC_MSG_RESULT([])
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AC_MSG_ERROR([Please enable at least one filter.])
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else
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for arg in $enable_filters
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do
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case $arg in
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copy)
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enable_filters_copy=yes
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AC_DEFINE([HAVE_FILTER_COPY], 1,
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[Define to 1 if support for the
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Copy filter is enabled.])
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;;
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subblock)
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enable_filters_subblock=yes
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AC_DEFINE([HAVE_FILTER_SUBBLOCK], 1,
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[Define to 1 if support for the
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Subblock filter is enabled.])
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;;
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x86)
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enable_filters_x86=yes
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enable_simple_filters=yes
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AC_DEFINE([HAVE_FILTER_X86], 1,
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[Define to 1 if support for the
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x86 (BCJ) filter is enabled.])
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;;
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powerpc)
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enable_filters_powerpc=yes
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enable_simple_filters=yes
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AC_DEFINE([HAVE_FILTER_POWERPC], 1,
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[Define to 1 if support for the
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PowerPC filter is enabled.])
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;;
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ia64)
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enable_filters_ia64=yes
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enable_simple_filters=yes
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AC_DEFINE([HAVE_FILTER_IA64], 1,
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[Define to 1 if support for the
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IA64 filter is enabled.])
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;;
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arm)
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enable_filters_arm=yes
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enable_simple_filters=yes
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AC_DEFINE([HAVE_FILTER_ARM], 1,
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[Define to 1 if support for the
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ARM filter is enabled.])
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;;
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armthumb)
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enable_filters_armthumb=yes
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enable_simple_filters=yes
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AC_DEFINE([HAVE_FILTER_ARMTHUMB], 1,
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[Define to 1 if support for the
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ARMThumb filter is enabled.])
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;;
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sparc)
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enable_filters_sparc=yes
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enable_simple_filters=yes
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AC_DEFINE([HAVE_FILTER_SPARC], 1,
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[Define to 1 if support for the
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SPARC filter is enabled.])
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;;
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delta)
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enable_filters_delta=yes
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AC_DEFINE([HAVE_FILTER_DELTA], 1,
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[Define to 1 if support for the
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Delta filter is enabled.])
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;;
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lzma)
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enable_filters_lzma=yes
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AC_DEFINE([HAVE_FILTER_LZMA], 1,
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[Define to 1 if support for the
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LZMA filter is enabled.])
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;;
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*)
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AC_MSG_RESULT([])
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AC_MSG_ERROR([unknown filter: $arg])
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;;
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esac
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done
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AC_MSG_RESULT([$enable_filters])
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fi
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if test "x$enable_simple_filters" = xyes ; then
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AC_DEFINE([HAVE_FILTER_SIMPLE], 1, [Define to 1 if support for any
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of the so called simple filters is enabled.])
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fi
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AM_CONDITIONAL(COND_FILTER_COPY, test "x$enable_filters_copy" = xyes)
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AM_CONDITIONAL(COND_FILTER_SUBBLOCK, test "x$enable_filters_subblock" = xyes)
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AM_CONDITIONAL(COND_FILTER_X86, test "x$enable_filters_x86" = xyes)
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AM_CONDITIONAL(COND_FILTER_POWERPC, test "x$enable_filters_powerpc" = xyes)
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AM_CONDITIONAL(COND_FILTER_IA64, test "x$enable_filters_ia64" = xyes)
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AM_CONDITIONAL(COND_FILTER_ARM, test "x$enable_filters_arm" = xyes)
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AM_CONDITIONAL(COND_FILTER_ARMTHUMB, test "x$enable_filters_armthumb" = xyes)
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AM_CONDITIONAL(COND_FILTER_SPARC, test "x$enable_filters_sparc" = xyes)
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AM_CONDITIONAL(COND_FILTER_DELTA, test "x$enable_filters_delta" = xyes)
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AM_CONDITIONAL(COND_FILTER_LZMA, test "x$enable_filters_lzma" = xyes)
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AM_CONDITIONAL(COND_MAIN_SIMPLE, test "x$enable_simple_filters" = xyes)
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# Which match finders should be enabled:
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AC_MSG_CHECKING([which match finders to build])
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AC_ARG_ENABLE(match-finders, AC_HELP_STRING([--enable-match-finders=],
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[Comma-separated list of match finders to build. Default=all.
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At least one match finder is required for encoding with
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the LZMA filter.
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Available match finders: hc3 hc4 bt2 bt3 bt4]), [],
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[enable_match_finders=hc3,hc4,bt2,bt3,bt4])
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enable_match_finders=`echo "$enable_match_finders" | sed 's/,/ /g'`
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enable_match_finders_hc3=no
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enable_match_finders_hc4=no
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enable_match_finders_bt2=no
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enable_match_finders_bt3=no
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enable_match_finders_bt4=no
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if test "x$enable_encoder" = xyes && test "x$enable_filters_lzma" = xyes ; then
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for arg in $enable_match_finders
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do
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case $arg in
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hc3) enable_match_finders_hc3=yes ;;
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hc4) enable_match_finders_hc4=yes ;;
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bt2) enable_match_finders_bt2=yes ;;
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bt3) enable_match_finders_bt3=yes ;;
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bt4) enable_match_finders_bt4=yes ;;
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*)
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AC_MSG_RESULT([])
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AC_MSG_ERROR([unknown match finder: $arg])
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;;
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esac
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done
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AC_MSG_RESULT([$enable_match_finders])
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else
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AC_MSG_RESULT([(none because not building the LZMA encoder)])
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fi
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AM_CONDITIONAL(COND_MF_HC3, test "x$enable_match_finders_hc3" = xyes)
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AM_CONDITIONAL(COND_MF_HC4, test "x$enable_match_finders_hc4" = xyes)
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AM_CONDITIONAL(COND_MF_BT2, test "x$enable_match_finders_bt2" = xyes)
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AM_CONDITIONAL(COND_MF_BT3, test "x$enable_match_finders_bt3" = xyes)
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AM_CONDITIONAL(COND_MF_BT4, test "x$enable_match_finders_bt4" = xyes)
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# Which integrity checks to build
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AC_MSG_CHECKING([which integrity checks to build])
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AC_ARG_ENABLE(checks, AC_HELP_STRING([--enable-checks=],
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[Comma-separated list of integrity checks to build.
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Default=all. Available integrity checks: crc32 crc64 sha256]),
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[], [enable_checks=crc32,crc64,sha256])
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enable_checks=`echo "$enable_checks" | sed 's/,/ /g'`
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enable_checks_crc32=no
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enable_checks_crc64=no
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enable_checks_sha256=no
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if test "x$enable_checks" = xno || test "x$enable_checks" = x; then
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AC_MSG_RESULT([(none)])
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else
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for arg in $enable_checks
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do
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case $arg in
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crc32)
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enable_checks_crc32=yes
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AC_DEFINE([HAVE_CHECK_CRC32], 1,
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[Define to 1 if CRC32 support
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is enabled.])
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;;
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crc64)
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enable_checks_crc64=yes
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AC_DEFINE([HAVE_CHECK_CRC64], 1,
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[Define to 1 if CRC64 support
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is enabled.])
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;;
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sha256)
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enable_checks_sha256=yes
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AC_DEFINE([HAVE_CHECK_SHA256], 1,
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[Define to 1 if SHA256 support
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is enabled.])
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;;
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*)
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AC_MSG_RESULT([])
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AC_MSG_ERROR([unknown integrity check: $arg])
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;;
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esac
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done
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AC_MSG_RESULT([$enable_checks])
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fi
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if test "x$enable_checks_crc32" = xno ; then
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AC_MSG_ERROR([For now, the CRC32 check must always be enabled.])
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fi
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AM_CONDITIONAL(COND_CHECK_CRC32, test "x$enable_checks_crc32" = xyes)
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AM_CONDITIONAL(COND_CHECK_CRC64, test "x$enable_checks_crc64" = xyes)
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AM_CONDITIONAL(COND_CHECK_SHA256, test "x$enable_checks_sha256" = xyes)
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# Assembler optimizations
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AC_MSG_CHECKING([if assembler optimizations should be used])
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AC_ARG_ENABLE(assembler, AC_HELP_STRING([--disable-assembler],
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[Do not use assembler optimizations even if such exist
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for the architecture.]),
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[], [enable_assembler=yes])
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if test "x$enable_assembler" = xyes; then
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case $host_cpu in
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i?86) enable_assembler=x86 ;;
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x86_64) enable_assembler=x86_64 ;;
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*) enable_assembler=no ;;
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esac
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# Darwin has different ABI than GNU+Linux and Solaris,
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# and the assembler code doesn't assemble.
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case $host_os in
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darwin*) enable_assembler=no ;;
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*) ;;
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esac
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fi
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case $enable_assembler in
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x86)
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AC_DEFINE([HAVE_ASM_X86], 1,
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[Define to 1 if using x86 assembler optimizations.])
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;;
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x86_64)
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AC_DEFINE([HAVE_ASM_X86_64], 1,
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[Define to 1 if using x86_64 assembler optimizations.])
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;;
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no)
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;;
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*)
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AC_MSG_RESULT([])
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AC_MSG_ERROR([--enable-assembler accepts only \`yes', \`no', or \`x86'.])
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;;
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esac
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AC_MSG_RESULT([$enable_assembler])
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AM_CONDITIONAL(COND_ASM_X86, test "x$enable_assembler" = xx86)
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# Size optimization
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AC_MSG_CHECKING([if small size is preferred over speed])
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AC_ARG_ENABLE(small, AC_HELP_STRING([--enable-small],
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[Omit precomputed tables to make liblzma a few kilobytes
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smaller. This will increase startup time of applications
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slightly, because the tables need to be computed first.]),
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[], [enable_small=no])
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if test "x$enable_small" = xyes; then
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AC_DEFINE([HAVE_SMALL], 1, [Define to 1 if optimizing for size.])
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elif test "x$enable_small" != xno; then
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AC_MSG_RESULT([])
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AC_MSG_ERROR([--enable-small accepts only \`yes' or \`no'])
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fi
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AC_MSG_RESULT([$enable_small])
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AM_CONDITIONAL(COND_SMALL, test "x$enable_small" = xyes)
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###############################################################################
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# Checks for programs.
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###############################################################################
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echo
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echo "Initializing Automake:"
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# There's no C++ or Fortran in LZMA Utils:
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CXX=no
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F77=no
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AM_INIT_AUTOMAKE
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AC_PROG_LN_S
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AM_PROG_CC_C_O
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AM_PROG_AS
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AC_USE_SYSTEM_EXTENSIONS
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echo
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echo "Threading support:"
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ACX_PTHREAD
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CC="$PTHREAD_CC"
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echo
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echo "Initializing Libtool:"
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AC_PROG_LIBTOOL
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###############################################################################
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# Checks for libraries.
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###############################################################################
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echo
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echo "Initializing gettext:"
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AM_GNU_GETTEXT_VERSION([0.16.1])
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AM_GNU_GETTEXT([external])
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###############################################################################
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# Checks for header files.
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###############################################################################
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echo
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echo "System headers and functions:"
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# There is currently no workarounds in this package if some of
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# these headers are missing.
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AC_CHECK_HEADERS([fcntl.h limits.h sys/time.h],
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[],
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[AC_MSG_ERROR([Required header file(s) are missing.])])
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# If any of these headers are missing, things should still work correctly:
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AC_CHECK_HEADERS([assert.h errno.h byteswap.h sys/param.h sys/sysctl.h],
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[], [], [
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#ifdef HAVE_SYS_PARAM_H
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# include <sys/param.h>
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#endif
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])
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###############################################################################
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# Checks for typedefs, structures, and compiler characteristics.
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###############################################################################
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AC_C_INLINE
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AC_C_RESTRICT
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AC_HEADER_STDBOOL
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AC_TYPE_UINT8_T
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AC_TYPE_INT32_T
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AC_TYPE_UINT32_T
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AC_TYPE_INT64_T
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AC_TYPE_UINT64_T
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AC_TYPE_UINTPTR_T
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AC_CHECK_SIZEOF([unsigned long])
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AC_CHECK_SIZEOF([size_t])
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# The command line tool can copy high resolution timestamps if such
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# information is availabe in struct stat. Otherwise one second accuracy
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# is used. Most systems seem to have st_xtim but BSDs have st_xtimespec.
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AC_CHECK_MEMBERS([struct stat.st_atim.tv_nsec, struct stat.st_mtim.tv_nsec,
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struct stat.st_atimespec.tv_nsec, struct stat.st_mtimespec.tv_nsec])
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# It is very unlikely that you want to build liblzma without
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# large file support.
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AC_SYS_LARGEFILE
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# At the moment, the only endian-dependent part should be the integrity checks.
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AC_C_BIGENDIAN
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###############################################################################
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# Checks for library functions.
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###############################################################################
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# Gnulib replacements as needed
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gl_GETOPT
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# Functions that are not mandatory i.e. we have alternatives for them
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# or we can just drop some functionality:
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AC_CHECK_FUNCS([memcpy memmove memset futimes futimesat])
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# Check how to find out the amount of physical memory in the system. The
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# lzma command line tool uses this to automatically limits its memory usage.
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# - sysconf() gives all the needed info on GNU+Linux and Solaris.
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# - BSDs use sysctl().
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AC_MSG_CHECKING([how to detect the amount of physical memory])
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AC_COMPILE_IFELSE([
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#include <unistd.h>
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int
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main()
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{
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long i;
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i = sysconf(_SC_PAGESIZE);
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i = sysconf(_SC_PHYS_PAGES);
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return 0;
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}
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], [
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AC_DEFINE([HAVE_PHYSMEM_SYSCONF], 1,
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[Define to 1 if the amount of physical memory can be detected
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with sysconf(_SC_PAGESIZE) and sysconf(_SC_PHYS_PAGES).])
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AC_MSG_RESULT([sysconf])
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], [
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
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#include <sys/types.h>
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#ifdef HAVE_SYS_PARAM_H
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# include <sys/param.h>
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#endif
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#include <sys/sysctl.h>
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int
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main()
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{
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int name[2] = { CTL_HW, HW_PHYSMEM };
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unsigned long mem;
|
|
size_t mem_ptr_size = sizeof(mem);
|
|
sysctl(name, 2, &mem, &mem_ptr_size, NULL, NULL);
|
|
return 0;
|
|
}
|
|
]])], [
|
|
AC_DEFINE([HAVE_PHYSMEM_SYSCTL], 1,
|
|
[Define to 1 if the amount of physical memory can be detected
|
|
with sysctl().])
|
|
AC_MSG_RESULT([sysctl])
|
|
], [
|
|
AC_MSG_RESULT([unknown])
|
|
])])
|
|
|
|
# Check how to find out the number of available CPU cores in the system.
|
|
# sysconf(_SC_NPROCESSORS_ONLN) works on most systems, except that BSDs
|
|
# use sysctl().
|
|
AC_MSG_CHECKING([how to detect the number of available CPU cores])
|
|
AC_COMPILE_IFELSE([
|
|
#include <unistd.h>
|
|
int
|
|
main()
|
|
{
|
|
long i;
|
|
i = sysconf(_SC_NPROCESSORS_ONLN);
|
|
return 0;
|
|
}
|
|
], [
|
|
AC_DEFINE([HAVE_NCPU_SYSCONF], 1,
|
|
[Define to 1 if the number of available CPU cores can be
|
|
detected with sysconf(_SC_NPROCESSORS_ONLN).])
|
|
AC_MSG_RESULT([sysconf])
|
|
], [
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
|
|
#include <sys/types.h>
|
|
#ifdef HAVE_SYS_PARAM_H
|
|
# include <sys/param.h>
|
|
#endif
|
|
#include <sys/sysctl.h>
|
|
int
|
|
main()
|
|
{
|
|
int name[2] = { CTL_HW, HW_NCPU };
|
|
int cpus;
|
|
size_t cpus_size = sizeof(cpus);
|
|
sysctl(name, 2, &cpus, &cpus_size, NULL, NULL);
|
|
return 0;
|
|
}
|
|
]])], [
|
|
AC_DEFINE([HAVE_NCPU_SYSCTL], 1,
|
|
[Define to 1 if the number of available CPU cores can be
|
|
detected with sysctl().])
|
|
AC_MSG_RESULT([sysctl])
|
|
], [
|
|
AC_MSG_RESULT([unknown])
|
|
])])
|
|
|
|
|
|
###############################################################################
|
|
# If using GCC, set some additional CFLAGS:
|
|
###############################################################################
|
|
|
|
Wno_uninitialized=no
|
|
|
|
if test "x$GCC" = xyes ; then
|
|
echo
|
|
echo "GCC extensions:"
|
|
gl_VISIBILITY
|
|
if test -n "$CFLAG_VISIBILITY" ; then
|
|
CFLAGS="$CFLAG_VISIBILITY $CFLAGS"
|
|
fi
|
|
|
|
# -Wno-uninitialized is needed with -Werror with SHA256 code
|
|
# to omit a bogus warning.
|
|
AC_MSG_CHECKING([if $CC accepts -Wno-uninitialized])
|
|
OLD_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -Wno-uninitialized"
|
|
AC_COMPILE_IFELSE([void foo(void) { }], [Wno_uninitialized=yes])
|
|
CFLAGS="$OLD_CFLAGS"
|
|
AC_MSG_RESULT([$Wno_uninitialized])
|
|
|
|
# Enable as much warnings as possible. These commented warnings won't
|
|
# work for LZMA Utils though:
|
|
# * -Wunreachable-code breaks several assert(0) cases, which are
|
|
# backed up with "return LZMA_PROG_ERROR".
|
|
# * -Wcast-qual would break various things where we need a non-const
|
|
# pointer although we don't modify anything through it.
|
|
# * -Wcast-align breaks optimized CRC32 and CRC64 implementation
|
|
# on some architectures (not on x86), where this warning is bogus,
|
|
# because we take care of correct alignment.
|
|
# * -Winline, -Wdisabled-optimization, -Wunsafe-loop-optimizations
|
|
# don't seem so useful here; at least the last one gives some
|
|
# warnings which are not bugs.
|
|
#
|
|
# The flags are in reverse order below so they end up in "beautiful"
|
|
# order on the actual command line.
|
|
for NEW_FLAG in \
|
|
-Wredundant-decls \
|
|
-Wmissing-noreturn \
|
|
-Wmissing-declarations \
|
|
-Wmissing-prototypes \
|
|
-Wold-style-definition \
|
|
-Wstrict-prototypes \
|
|
-Waggregate-return \
|
|
-Wwrite-strings \
|
|
-Wbad-function-cast \
|
|
-Wpointer-arith \
|
|
-Wshadow \
|
|
-Wfloat-equal \
|
|
-Wstrict-aliasing=2 \
|
|
-Winit-self \
|
|
-Wformat=2 \
|
|
-Wextra \
|
|
-Wall \
|
|
-pedantic \
|
|
-std=c99
|
|
do
|
|
AC_MSG_CHECKING([if $CC accepts $NEW_FLAG])
|
|
OLD_CFLAGS="$CFLAGS"
|
|
CFLAGS="$NEW_FLAG $CFLAGS"
|
|
AC_COMPILE_IFELSE([void foo(void) { }], [
|
|
AC_MSG_RESULT([yes])
|
|
], [
|
|
CFLAGS="$OLD_CFLAGS"
|
|
AC_MSG_RESULT([no])
|
|
])
|
|
done
|
|
|
|
AC_ARG_ENABLE([werror],
|
|
AC_HELP_STRING([--enable-werror], [Enable -Werror to abort
|
|
compilation on all compiler warnings.]),
|
|
[], [enable_werror=no])
|
|
if test "x$enable_werror" = "xyes"; then
|
|
CFLAGS="-Werror $CFLAGS"
|
|
fi
|
|
fi
|
|
|
|
AM_CONDITIONAL([COND_WNO_UNINITIALIZED], test "x$Wno_uninitialized" = "xyes")
|
|
|
|
|
|
###############################################################################
|
|
# Create the makefiles and config.h
|
|
###############################################################################
|
|
|
|
echo
|
|
|
|
# Don't build the lib directory at all if we don't need any replacement
|
|
# functions.
|
|
AM_CONDITIONAL([COND_GNULIB], test -n "$LIBOBJS")
|
|
|
|
AC_CONFIG_FILES([
|
|
Doxyfile
|
|
Makefile
|
|
po/Makefile.in
|
|
lib/Makefile
|
|
src/Makefile
|
|
src/liblzma/lzma.pc
|
|
src/liblzma/Makefile
|
|
src/liblzma/api/Makefile
|
|
src/liblzma/common/Makefile
|
|
src/liblzma/check/Makefile
|
|
src/liblzma/lz/Makefile
|
|
src/liblzma/lzma/Makefile
|
|
src/liblzma/simple/Makefile
|
|
src/liblzma/subblock/Makefile
|
|
src/liblzma/rangecoder/Makefile
|
|
src/lzma/Makefile
|
|
src/lzmadec/Makefile
|
|
src/scripts/Makefile
|
|
tests/Makefile
|
|
])
|
|
|
|
AC_OUTPUT
|