2007-12-08 23:42:33 +01:00
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# -*- 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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2008-12-12 23:54:11 +01:00
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AC_INIT([xz], [4.999.6alpha], [lasse.collin@tukaani.org])
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2007-12-08 23:42:33 +01:00
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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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2008-12-12 23:54:11 +01:00
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echo "$PACKAGE_STRING"
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2007-12-08 23:42:33 +01:00
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echo
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echo "System type:"
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# This is needed to know if assembler optimizations can be used.
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AC_CANONICAL_HOST
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2008-08-28 21:53:15 +02:00
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2007-12-08 23:42:33 +01:00
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echo
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echo "Configure options:"
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2008-08-28 21:53:15 +02:00
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#############
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# Debugging #
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#############
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2007-12-08 23:42:33 +01:00
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AC_MSG_CHECKING([if debugging code should be compiled])
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AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [Enable debugging code.]),
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[], enable_debug=no)
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if test "x$enable_debug" = xyes; then
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AC_MSG_RESULT([yes])
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else
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2008-11-19 19:46:52 +01:00
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AC_DEFINE(NDEBUG, 1, [Define to 1 to disable debugging code.])
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2007-12-08 23:42:33 +01:00
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AC_MSG_RESULT([no])
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fi
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2008-08-28 21:53:15 +02:00
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###########
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# Encoder #
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###########
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2007-12-08 23:42:33 +01:00
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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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2008-08-28 21:53:15 +02:00
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###########
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# Decoder #
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###########
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2007-12-08 23:42:33 +01:00
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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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2008-08-28 21:53:15 +02:00
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###########
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# Filters #
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###########
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2008-09-27 18:09:21 +02:00
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m4_define([SUPPORTED_FILTERS], [lzma1,lzma2,subblock,delta,x86,powerpc,ia64,arm,armthumb,sparc])dnl
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2008-08-28 21:53:15 +02:00
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m4_define([SIMPLE_FILTERS], [x86,powerpc,ia64,arm,armthumb,sparc])
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2008-09-27 18:09:21 +02:00
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m4_define([LZ_FILTERS], [lzma1,lzma2])
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2008-08-28 21:53:15 +02:00
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m4_foreach([NAME], [SUPPORTED_FILTERS],
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[enable_filter_[]NAME=no
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enable_encoder_[]NAME=no
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enable_decoder_[]NAME=no
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])dnl
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AC_MSG_CHECKING([which encoders to build])
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AC_ARG_ENABLE([encoders], AC_HELP_STRING([--enable-encoders=LIST],
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[Comma-separated list of encoders to build. Default=all.
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Available encoders:]
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m4_translit(m4_defn([SUPPORTED_FILTERS]), [,], [ ])),
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[], [enable_encoders=SUPPORTED_FILTERS])
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enable_encoders=`echo "$enable_encoders" | sed 's/,/ /g'`
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if test "x$enable_encoders" = xno || test "x$enable_encoders" = x; then
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AC_MSG_RESULT([(none)])
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2007-12-08 23:42:33 +01:00
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else
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2008-08-28 21:53:15 +02:00
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for arg in $enable_encoders
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2007-12-08 23:42:33 +01:00
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do
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2008-08-28 21:53:15 +02:00
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case $arg in m4_foreach([NAME], [SUPPORTED_FILTERS], [
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NAME)
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enable_filter_[]NAME=yes
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enable_encoder_[]NAME=yes
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AC_DEFINE(HAVE_ENCODER_[]m4_toupper(NAME), [1],
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[Define to 1 if] NAME [encoder 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: $arg])
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2007-12-08 23:42:33 +01:00
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;;
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2008-08-28 21:53:15 +02:00
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esac
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done
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AC_MSG_RESULT([$enable_encoders])
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fi
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AC_MSG_CHECKING([which decoders to build])
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AC_ARG_ENABLE([decoders], AC_HELP_STRING([--enable-decoders=LIST],
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[Comma-separated list of decoders to build. Default=all.
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Available decoders are the same as available encoders.]),
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[], [enable_decoders=SUPPORTED_FILTERS])
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enable_decoders=`echo "$enable_decoders" | sed 's/,/ /g'`
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if test "x$enable_decoders" = xno || test "x$enable_decoders" = x; then
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AC_MSG_RESULT([(none)])
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else
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for arg in $enable_decoders
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do
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case $arg in m4_foreach([NAME], [SUPPORTED_FILTERS], [
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NAME)
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enable_filter_[]NAME=yes
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enable_decoder_[]NAME=yes
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AC_DEFINE(HAVE_DECODER_[]m4_toupper(NAME), [1],
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[Define to 1 if] NAME [decoder is enabled.])
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;;])
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2007-12-08 23:42:33 +01:00
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*)
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AC_MSG_RESULT([])
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AC_MSG_ERROR([unknown filter: $arg])
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;;
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esac
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done
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2008-08-28 21:53:15 +02:00
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2008-09-27 18:09:21 +02:00
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# LZMA2 requires that LZMA1 is enabled.
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test "x$enable_encoder_lzma2" = xyes && enable_encoder_lzma1=yes
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test "x$enable_decoder_lzma2" = xyes && enable_decoder_lzma1=yes
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2008-08-28 21:53:15 +02:00
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AC_MSG_RESULT([$enable_decoders])
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2007-12-08 23:42:33 +01:00
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fi
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2008-08-28 21:53:15 +02:00
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2008-09-27 18:09:21 +02:00
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if test "x$enable_encoder_lzma2$enable_encoder_lzma1" = xyesno \
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|| test "x$enable_decoder_lzma2$enable_decoder_lzma1" = xyesno; then
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AC_MSG_ERROR([LZMA2 requires that LZMA1 is also enabled.])
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2007-12-08 23:42:33 +01:00
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fi
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2008-08-28 21:53:15 +02:00
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m4_foreach([NAME], [SUPPORTED_FILTERS],
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[AM_CONDITIONAL(COND_FILTER_[]m4_toupper(NAME), test "x$enable_filter_[]NAME" = xyes)
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AM_CONDITIONAL(COND_ENCODER_[]m4_toupper(NAME), test "x$enable_encoder_[]NAME" = xyes)
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AM_CONDITIONAL(COND_DECODER_[]m4_toupper(NAME), test "x$enable_decoder_[]NAME" = xyes)
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])dnl
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# The so called "simple filters" share common code.
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enable_filter_simple=no
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enable_encoder_simple=no
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enable_decoder_simple=no
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m4_foreach([NAME], [SIMPLE_FILTERS],
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[test "x$enable_filter_[]NAME" = xyes && enable_filter_simple=yes
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test "x$enable_encoder_[]NAME" = xyes && enable_encoder_simple=yes
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test "x$enable_decoder_[]NAME" = xyes && enable_decoder_simple=yes
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])dnl
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AM_CONDITIONAL(COND_FILTER_SIMPLE, test "x$enable_filter_simple" = xyes)
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AM_CONDITIONAL(COND_ENCODER_SIMPLE, test "x$enable_encoder_simple" = xyes)
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AM_CONDITIONAL(COND_DECODER_SIMPLE, test "x$enable_decoder_simple" = xyes)
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# LZ-based filters share common code.
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enable_filter_lz=no
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enable_encoder_lz=no
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enable_decoder_lz=no
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m4_foreach([NAME], [LZ_FILTERS],
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[test "x$enable_filter_[]NAME" = xyes && enable_filter_lz=yes
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test "x$enable_encoder_[]NAME" = xyes && enable_encoder_lz=yes
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test "x$enable_decoder_[]NAME" = xyes && enable_decoder_lz=yes
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])dnl
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AM_CONDITIONAL(COND_FILTER_LZ, test "x$enable_filter_lz" = xyes)
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AM_CONDITIONAL(COND_ENCODER_LZ, test "x$enable_encoder_lz" = xyes)
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AM_CONDITIONAL(COND_DECODER_LZ, test "x$enable_decoder_lz" = xyes)
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#################
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# Match finders #
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#################
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m4_define([SUPPORTED_MATCH_FINDERS], [hc3,hc4,bt2,bt3,bt4])
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m4_foreach([NAME], [SUPPORTED_MATCH_FINDERS],
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[enable_match_finder_[]NAME=no
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])
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2007-12-08 23:42:33 +01:00
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AC_MSG_CHECKING([which match finders to build])
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2008-06-18 17:02:10 +02:00
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AC_ARG_ENABLE(match-finders, AC_HELP_STRING([--enable-match-finders=LIST],
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2007-12-08 23:42:33 +01:00
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[Comma-separated list of match finders to build. Default=all.
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At least one match finder is required for encoding with
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2008-09-27 18:09:21 +02:00
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the LZMA1 and LZMA2 filters. Available match finders:]
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2008-08-28 21:53:15 +02:00
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m4_translit(m4_defn([SUPPORTED_MATCH_FINDERS]), [,], [ ])), [],
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[enable_match_finders=SUPPORTED_MATCH_FINDERS])
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2007-12-08 23:42:33 +01:00
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enable_match_finders=`echo "$enable_match_finders" | sed 's/,/ /g'`
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2008-08-28 21:53:15 +02:00
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if test "x$enable_encoder" = xyes && test "x$enable_encoder_lz" = xyes ; then
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2007-12-08 23:42:33 +01:00
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for arg in $enable_match_finders
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do
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2008-08-28 21:53:15 +02:00
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case $arg in m4_foreach([NAME], [SUPPORTED_MATCH_FINDERS], [
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NAME)
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enable_match_finder_[]NAME=yes
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AC_DEFINE(HAVE_MF_[]m4_toupper(NAME), [1],
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[Define to 1 to enable] NAME [match finder.])
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;;])
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2007-12-08 23:42:33 +01:00
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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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2008-08-28 21:53:15 +02:00
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AC_MSG_RESULT([(none because not building any LZ-based encoder)])
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2007-12-08 23:42:33 +01:00
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fi
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2008-08-28 21:53:15 +02:00
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####################
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# Integrity checks #
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####################
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m4_define([SUPPORTED_CHECKS], [crc32,crc64,sha256])
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m4_foreach([NAME], [SUPPORTED_FILTERS],
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[enable_check_[]NAME=no
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])dnl
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2007-12-08 23:42:33 +01:00
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AC_MSG_CHECKING([which integrity checks to build])
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2008-06-18 17:02:10 +02:00
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AC_ARG_ENABLE(checks, AC_HELP_STRING([--enable-checks=LIST],
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2007-12-08 23:42:33 +01:00
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[Comma-separated list of integrity checks to build.
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2008-08-28 21:53:15 +02:00
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Default=all. Available integrity checks:]
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m4_translit(m4_defn([SUPPORTED_CHECKS]), [,], [ ])),
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[], [enable_checks=SUPPORTED_CHECKS])
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2007-12-08 23:42:33 +01:00
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enable_checks=`echo "$enable_checks" | sed 's/,/ /g'`
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if test "x$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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2008-08-28 21:53:15 +02:00
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case $arg in m4_foreach([NAME], [SUPPORTED_CHECKS], [
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NAME)
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enable_check_[]NAME=yes
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AC_DEFINE(HAVE_CHECK_[]m4_toupper(NAME), [1],
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[Define to 1 if] NAME
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[integrity check is enabled.])
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;;])
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2007-12-08 23:42:33 +01:00
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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$enable_checks_crc32" = xno ; then
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AC_MSG_ERROR([For now, the CRC32 check must always be enabled.])
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fi
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2008-08-28 21:53:15 +02:00
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m4_foreach([NAME], [SUPPORTED_CHECKS],
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[AM_CONDITIONAL(COND_CHECK_[]m4_toupper(NAME), test "x$enable_check_[]NAME" = xyes)
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])dnl
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###########################
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# Assembler optimizations #
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###########################
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2007-12-08 23:42:33 +01:00
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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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2008-06-18 17:02:10 +02:00
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[], [enable_assembler=yes])
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2007-12-08 23:42:33 +01:00
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if test "x$enable_assembler" = xyes; then
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case $host_cpu in
|
2008-01-15 12:29:14 +01:00
|
|
|
i?86) enable_assembler=x86 ;;
|
|
|
|
x86_64) enable_assembler=x86_64 ;;
|
|
|
|
*) enable_assembler=no ;;
|
|
|
|
esac
|
|
|
|
# Darwin has different ABI than GNU+Linux and Solaris,
|
|
|
|
# and the assembler code doesn't assemble.
|
|
|
|
case $host_os in
|
|
|
|
darwin*) enable_assembler=no ;;
|
|
|
|
*) ;;
|
2007-12-08 23:42:33 +01:00
|
|
|
esac
|
|
|
|
fi
|
|
|
|
case $enable_assembler in
|
2008-01-15 12:29:14 +01:00
|
|
|
x86)
|
2008-01-09 19:05:57 +01:00
|
|
|
AC_DEFINE([HAVE_ASM_X86], 1,
|
|
|
|
[Define to 1 if using x86 assembler optimizations.])
|
|
|
|
;;
|
2008-01-15 12:29:14 +01:00
|
|
|
x86_64)
|
|
|
|
AC_DEFINE([HAVE_ASM_X86_64], 1,
|
|
|
|
[Define to 1 if using x86_64 assembler optimizations.])
|
|
|
|
;;
|
|
|
|
no)
|
|
|
|
;;
|
2007-12-08 23:42:33 +01:00
|
|
|
*)
|
|
|
|
AC_MSG_RESULT([])
|
2008-08-28 21:53:15 +02:00
|
|
|
AC_MSG_ERROR([--enable-assembler accepts only \`yes', \`no', \`x86', or \`x86_64'.])
|
2007-12-08 23:42:33 +01:00
|
|
|
;;
|
|
|
|
esac
|
|
|
|
AC_MSG_RESULT([$enable_assembler])
|
|
|
|
AM_CONDITIONAL(COND_ASM_X86, test "x$enable_assembler" = xx86)
|
2008-08-28 21:53:15 +02:00
|
|
|
AM_CONDITIONAL(COND_ASM_X86_64, test "x$enable_assembler" = xx86_64)
|
|
|
|
|
|
|
|
|
|
|
|
################################
|
|
|
|
# Fast unaligned memory access #
|
|
|
|
################################
|
2007-12-08 23:42:33 +01:00
|
|
|
|
2008-06-18 17:02:10 +02:00
|
|
|
AC_MSG_CHECKING([if unaligned memory access should be used])
|
|
|
|
AC_ARG_ENABLE(unaligned-access, AC_HELP_STRING([--enable-unaligned-access],
|
|
|
|
[Enable if the system supports *fast* unaligned memory access
|
|
|
|
with 16-bit and 32-bit integers. By default, this is enabled
|
|
|
|
only on x86, x86_64, and big endian PowerPC.]),
|
|
|
|
[], [enable_unaligned_access=auto])
|
|
|
|
if test "x$enable_unaligned_access" = xauto ; then
|
|
|
|
case $host_cpu in
|
|
|
|
i?86|x86_64|powerpc|powerpc64)
|
|
|
|
enable_unaligned_access=yes
|
|
|
|
;;
|
|
|
|
*)
|
|
|
|
enable_unaligned_access=no
|
|
|
|
;;
|
|
|
|
esac
|
|
|
|
fi
|
|
|
|
if test "x$enable_unaligned_access" = xyes ; then
|
|
|
|
AC_DEFINE([HAVE_FAST_UNALIGNED_ACCESS], [1], [Define to 1 if
|
|
|
|
the system supports fast unaligned memory access.])
|
|
|
|
AC_MSG_RESULT([yes])
|
|
|
|
else
|
|
|
|
AC_MSG_RESULT([no])
|
|
|
|
fi
|
|
|
|
|
2008-08-28 21:53:15 +02:00
|
|
|
|
|
|
|
#####################
|
|
|
|
# Size optimization #
|
|
|
|
#####################
|
|
|
|
|
2007-12-08 23:42:33 +01:00
|
|
|
AC_MSG_CHECKING([if small size is preferred over speed])
|
|
|
|
AC_ARG_ENABLE(small, AC_HELP_STRING([--enable-small],
|
2008-08-28 21:53:15 +02:00
|
|
|
[Make liblzma smaller and a little slower.
|
|
|
|
This is disabled by default to optimize for speed.]),
|
2008-06-18 17:02:10 +02:00
|
|
|
[], [enable_small=no])
|
2007-12-08 23:42:33 +01:00
|
|
|
if test "x$enable_small" = xyes; then
|
|
|
|
AC_DEFINE([HAVE_SMALL], 1, [Define to 1 if optimizing for size.])
|
|
|
|
elif test "x$enable_small" != xno; then
|
|
|
|
AC_MSG_RESULT([])
|
|
|
|
AC_MSG_ERROR([--enable-small accepts only \`yes' or \`no'])
|
|
|
|
fi
|
|
|
|
AC_MSG_RESULT([$enable_small])
|
|
|
|
AM_CONDITIONAL(COND_SMALL, test "x$enable_small" = xyes)
|
|
|
|
|
2008-08-28 21:53:15 +02:00
|
|
|
|
2008-01-06 20:47:17 +01:00
|
|
|
###############################################################################
|
|
|
|
# Checks for programs.
|
|
|
|
###############################################################################
|
|
|
|
|
2007-12-08 23:42:33 +01:00
|
|
|
echo
|
|
|
|
echo "Initializing Automake:"
|
|
|
|
|
2008-04-25 12:32:35 +02:00
|
|
|
AM_INIT_AUTOMAKE([1.10 foreign tar-v7 filename-length-max=99])
|
2008-01-06 20:47:17 +01:00
|
|
|
AC_PROG_LN_S
|
2008-05-11 13:17:21 +02:00
|
|
|
|
|
|
|
AC_PROG_CC_C99
|
|
|
|
if test x$ac_cv_prog_cc_c99 = xno ; then
|
|
|
|
AC_MSG_ERROR([No C99 compiler was found.])
|
|
|
|
fi
|
|
|
|
|
2007-12-08 23:42:33 +01:00
|
|
|
AM_PROG_CC_C_O
|
|
|
|
AM_PROG_AS
|
2008-01-06 20:47:17 +01:00
|
|
|
AC_USE_SYSTEM_EXTENSIONS
|
2007-12-08 23:42:33 +01:00
|
|
|
|
|
|
|
echo
|
|
|
|
echo "Threading support:"
|
|
|
|
ACX_PTHREAD
|
|
|
|
CC="$PTHREAD_CC"
|
|
|
|
|
|
|
|
echo
|
|
|
|
echo "Initializing Libtool:"
|
2008-05-11 13:17:21 +02:00
|
|
|
CXX=no
|
|
|
|
F77=no
|
2007-12-08 23:42:33 +01:00
|
|
|
AC_PROG_LIBTOOL
|
|
|
|
|
|
|
|
|
|
|
|
###############################################################################
|
|
|
|
# Checks for libraries.
|
|
|
|
###############################################################################
|
|
|
|
|
|
|
|
echo
|
|
|
|
echo "Initializing gettext:"
|
|
|
|
AM_GNU_GETTEXT_VERSION([0.16.1])
|
|
|
|
AM_GNU_GETTEXT([external])
|
|
|
|
|
|
|
|
###############################################################################
|
|
|
|
# Checks for header files.
|
|
|
|
###############################################################################
|
|
|
|
|
|
|
|
echo
|
|
|
|
echo "System headers and functions:"
|
|
|
|
|
|
|
|
# There is currently no workarounds in this package if some of
|
|
|
|
# these headers are missing.
|
|
|
|
AC_CHECK_HEADERS([fcntl.h limits.h sys/time.h],
|
|
|
|
[],
|
|
|
|
[AC_MSG_ERROR([Required header file(s) are missing.])])
|
|
|
|
|
|
|
|
# If any of these headers are missing, things should still work correctly:
|
2008-11-19 19:46:52 +01:00
|
|
|
AC_CHECK_HEADERS([sys/param.h sys/sysctl.h byteswap.h],
|
2007-12-08 23:42:33 +01:00
|
|
|
[], [], [
|
|
|
|
#ifdef HAVE_SYS_PARAM_H
|
|
|
|
# include <sys/param.h>
|
|
|
|
#endif
|
|
|
|
])
|
|
|
|
|
2008-11-19 19:46:52 +01:00
|
|
|
# Even if we have byteswap.h, we may lack the specific macros/functions.
|
|
|
|
if test x$ac_cv_header_byteswap_h = xyes ; then
|
|
|
|
m4_foreach([FUNC], [bswap_16,bswap_32,bswap_64], [
|
|
|
|
AC_MSG_CHECKING([if FUNC is available])
|
|
|
|
AC_LINK_IFELSE([AC_LANG_SOURCE([
|
|
|
|
#include <byteswap.h>
|
|
|
|
int
|
|
|
|
main(void)
|
|
|
|
{
|
|
|
|
FUNC[](42);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
])], [
|
|
|
|
AC_DEFINE(HAVE_[]m4_toupper(FUNC), [1],
|
|
|
|
[Define to 1 if] FUNC [is available.])
|
|
|
|
AC_MSG_RESULT([yes])
|
|
|
|
], [AC_MSG_RESULT([no])])
|
|
|
|
|
|
|
|
])dnl
|
|
|
|
fi
|
|
|
|
|
2007-12-08 23:42:33 +01:00
|
|
|
|
|
|
|
###############################################################################
|
|
|
|
# Checks for typedefs, structures, and compiler characteristics.
|
|
|
|
###############################################################################
|
|
|
|
|
2008-05-11 13:17:21 +02:00
|
|
|
dnl We don't need these as long as we need a C99 compiler anyway.
|
|
|
|
dnl AC_C_INLINE
|
|
|
|
dnl AC_C_RESTRICT
|
2007-12-08 23:42:33 +01:00
|
|
|
|
2008-01-06 15:27:41 +01:00
|
|
|
AC_HEADER_STDBOOL
|
|
|
|
|
|
|
|
AC_TYPE_UINT8_T
|
2008-11-19 22:55:22 +01:00
|
|
|
AC_TYPE_UINT16_T
|
2008-01-06 15:27:41 +01:00
|
|
|
AC_TYPE_INT32_T
|
|
|
|
AC_TYPE_UINT32_T
|
|
|
|
AC_TYPE_INT64_T
|
|
|
|
AC_TYPE_UINT64_T
|
|
|
|
AC_TYPE_UINTPTR_T
|
|
|
|
|
|
|
|
AC_CHECK_SIZEOF([size_t])
|
|
|
|
|
2007-12-08 23:42:33 +01:00
|
|
|
# The command line tool can copy high resolution timestamps if such
|
|
|
|
# information is availabe in struct stat. Otherwise one second accuracy
|
2008-11-19 19:46:52 +01:00
|
|
|
# is used.
|
|
|
|
AC_CHECK_MEMBERS([
|
|
|
|
struct stat.st_atim.tv_nsec,
|
|
|
|
struct stat.st_atimespec.tv_nsec,
|
|
|
|
struct stat.st_atimensec,
|
|
|
|
struct stat.st_uatime,
|
|
|
|
struct stat.st_atim.st__tim.tv_nsec])
|
2007-12-08 23:42:33 +01:00
|
|
|
|
|
|
|
AC_SYS_LARGEFILE
|
|
|
|
AC_C_BIGENDIAN
|
|
|
|
|
|
|
|
|
|
|
|
###############################################################################
|
|
|
|
# Checks for library functions.
|
|
|
|
###############################################################################
|
|
|
|
|
|
|
|
# Gnulib replacements as needed
|
|
|
|
gl_GETOPT
|
|
|
|
|
2008-11-19 19:46:52 +01:00
|
|
|
# Find the best function to set timestamps.
|
|
|
|
AC_CHECK_FUNCS([futimens futimes futimesat utimes utime], [break])
|
2007-12-08 23:42:33 +01:00
|
|
|
|
|
|
|
# Check how to find out the amount of physical memory in the system. The
|
2008-12-12 23:54:11 +01:00
|
|
|
# xz command line tool uses this to automatically limit its memory usage.
|
2007-12-08 23:42:33 +01:00
|
|
|
# - sysconf() gives all the needed info on GNU+Linux and Solaris.
|
|
|
|
# - BSDs use sysctl().
|
|
|
|
AC_MSG_CHECKING([how to detect the amount of physical memory])
|
2008-11-19 19:46:52 +01:00
|
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
|
2007-12-08 23:42:33 +01:00
|
|
|
#include <unistd.h>
|
|
|
|
int
|
|
|
|
main()
|
|
|
|
{
|
|
|
|
long i;
|
|
|
|
i = sysconf(_SC_PAGESIZE);
|
|
|
|
i = sysconf(_SC_PHYS_PAGES);
|
|
|
|
return 0;
|
|
|
|
}
|
2008-11-19 19:46:52 +01:00
|
|
|
]])], [
|
2007-12-08 23:42:33 +01:00
|
|
|
AC_DEFINE([HAVE_PHYSMEM_SYSCONF], 1,
|
|
|
|
[Define to 1 if the amount of physical memory can be detected
|
|
|
|
with sysconf(_SC_PAGESIZE) and sysconf(_SC_PHYS_PAGES).])
|
|
|
|
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_PHYSMEM };
|
|
|
|
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])
|
2008-11-19 19:46:52 +01:00
|
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
|
2007-12-08 23:42:33 +01:00
|
|
|
#include <unistd.h>
|
|
|
|
int
|
|
|
|
main()
|
|
|
|
{
|
|
|
|
long i;
|
|
|
|
i = sysconf(_SC_NPROCESSORS_ONLN);
|
|
|
|
return 0;
|
|
|
|
}
|
2008-11-19 19:46:52 +01:00
|
|
|
]])], [
|
2007-12-08 23:42:33 +01:00
|
|
|
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
|
|
|
|
|
2008-01-07 22:14:25 +01:00
|
|
|
if test "x$GCC" = xyes ; then
|
2007-12-08 23:42:33 +01:00
|
|
|
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
|
2008-12-12 23:54:11 +01:00
|
|
|
# work for this package though:
|
2007-12-08 23:42:33 +01:00
|
|
|
# * -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.
|
2007-12-10 14:02:50 +01:00
|
|
|
# * -Winline, -Wdisabled-optimization, -Wunsafe-loop-optimizations
|
|
|
|
# don't seem so useful here; at least the last one gives some
|
|
|
|
# warnings which are not bugs.
|
2008-01-05 18:42:04 +01:00
|
|
|
#
|
|
|
|
# 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 \
|
2008-12-12 21:43:21 +01:00
|
|
|
-Wlogical-op \
|
2008-01-05 18:42:04 +01:00
|
|
|
-Wwrite-strings \
|
|
|
|
-Wbad-function-cast \
|
|
|
|
-Wpointer-arith \
|
|
|
|
-Wshadow \
|
2008-12-12 21:43:21 +01:00
|
|
|
-Wundef \
|
2008-01-05 18:42:04 +01:00
|
|
|
-Wfloat-equal \
|
2008-12-12 21:43:21 +01:00
|
|
|
-Wstrict-aliasing \
|
|
|
|
-Wmissing-include-dirs \
|
2008-01-05 18:42:04 +01:00
|
|
|
-Winit-self \
|
|
|
|
-Wformat=2 \
|
|
|
|
-Wextra \
|
2008-12-12 21:43:21 +01:00
|
|
|
-Wall
|
2007-12-08 23:42:33 +01:00
|
|
|
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
|
2008-08-28 21:53:15 +02:00
|
|
|
src/liblzma/rangecoder/Makefile
|
2007-12-08 23:42:33 +01:00
|
|
|
src/liblzma/lz/Makefile
|
|
|
|
src/liblzma/lzma/Makefile
|
|
|
|
src/liblzma/subblock/Makefile
|
2008-08-28 21:53:15 +02:00
|
|
|
src/liblzma/delta/Makefile
|
|
|
|
src/liblzma/simple/Makefile
|
2008-11-19 22:52:24 +01:00
|
|
|
src/xz/Makefile
|
|
|
|
src/xzdec/Makefile
|
2007-12-08 23:42:33 +01:00
|
|
|
src/scripts/Makefile
|
|
|
|
tests/Makefile
|
2008-01-18 19:18:08 +01:00
|
|
|
debug/Makefile
|
2007-12-08 23:42:33 +01:00
|
|
|
])
|
|
|
|
|
|
|
|
AC_OUTPUT
|