mirror of https://github.com/odrling/Aegisub
309 lines
11 KiB
Plaintext
309 lines
11 KiB
Plaintext
# ===========================================================================
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# http://www.gnu.org/software/autoconf-archive/ax_boost_base.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_BOOST_BASE([MINIMUM-VERSION], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
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#
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# DESCRIPTION
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#
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# Test for the Boost C++ libraries of a particular version (or newer)
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#
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# If no path to the installed boost library is given the macro searchs
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# under /usr, /usr/local, /opt and /opt/local and evaluates the
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# $BOOST_ROOT environment variable. Further documentation is available at
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# <http://randspringer.de/boost/index.html>.
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#
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# This macro calls:
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#
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# AC_SUBST(BOOST_CPPFLAGS) / AC_SUBST(BOOST_LDFLAGS)
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#
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# And sets:
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#
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# HAVE_BOOST
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#
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# LICENSE
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#
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# Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de>
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# Copyright (c) 2009 Peter Adolphs
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#
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# Copying and distribution of this file, with or without modification, are
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# permitted in any medium without royalty provided the copyright notice
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# and this notice are preserved. This file is offered as-is, without any
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# warranty.
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#serial 20
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AC_DEFUN([AX_BOOST_BASE], [
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AC_ARG_WITH([boost],
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[AS_HELP_STRING([--with-boost=PATH], [use Boost library from the specified location])],
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[ac_boost_path="$withval"],
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[ac_boost_path=""])
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AC_ARG_WITH([boost-libdir],
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AS_HELP_STRING([--with-boost-libdir=LIB_DIR],
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[Force given directory for boost libraries.
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Note that this will override library path detection,
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so use this parameter only if default library
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detection fails and you know exactly where your
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boost libraries are located.]),
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[ac_boost_lib_path="$withval"],
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[ac_boost_lib_path=""])
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boost_lib_version_req=ifelse([$1], ,1.20.0,$1)
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boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'`
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boost_lib_version_req_major=`expr $boost_lib_version_req : '\([[0-9]]*\)'`
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boost_lib_version_req_minor=`expr $boost_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'`
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boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
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if test "x$boost_lib_version_req_sub_minor" = "x"; then
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boost_lib_version_req_sub_minor="0"
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fi
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WANT_BOOST_VERSION=`expr $boost_lib_version_req_major \* 100000 \+ $boost_lib_version_req_minor \* 100 \+ $boost_lib_version_req_sub_minor`
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AC_MSG_CHECKING(for boostlib >= $boost_lib_version_req)
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succeeded=no
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dnl On 64-bit systems check for system libraries in both lib64 and lib.
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dnl The former is specified by FHS, but e.g. Debian does not adhere to
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dnl this (as it rises problems for generic multi-arch support).
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dnl The last entry in the list is chosen by default when no libraries
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dnl are found, e.g. when only header-only libraries are installed!
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libsubdirs="lib"
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ax_arch=`uname -m`
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if test $ax_arch = x86_64 -o $ax_arch = ppc64 -o $ax_arch = s390x -o $ax_arch = sparc64; then
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libsubdirs="lib64 lib lib64"
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fi
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dnl first we check the system location for boost libraries
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dnl this location ist chosen if boost libraries are installed with the --layout=system option
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dnl or if you install boost with RPM
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if test "$ac_boost_path" != ""; then
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BOOST_CPPFLAGS="-I$ac_boost_path/include"
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for ac_boost_path_tmp in $libsubdirs; do
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if test -d "$ac_boost_path"/"$ac_boost_path_tmp" ; then
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BOOST_LDFLAGS="-L$ac_boost_path/$ac_boost_path_tmp"
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break
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fi
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done
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elif test "$cross_compiling" != yes; then
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for ac_boost_path_tmp in /usr /usr/local /opt /opt/local ; do
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if test -d "$ac_boost_path_tmp/include/boost" && test -r "$ac_boost_path_tmp/include/boost"; then
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for libsubdir in $libsubdirs ; do
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if ls "$ac_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
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done
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BOOST_LDFLAGS="-L$ac_boost_path_tmp/$libsubdir"
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BOOST_CPPFLAGS="-I$ac_boost_path_tmp/include"
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break;
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fi
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done
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fi
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dnl overwrite ld flags if we have required special directory with
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dnl --with-boost-libdir parameter
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if test "$ac_boost_lib_path" != ""; then
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BOOST_LDFLAGS="-L$ac_boost_lib_path"
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fi
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CPPFLAGS_SAVED="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
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export CPPFLAGS
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LDFLAGS_SAVED="$LDFLAGS"
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LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
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export LDFLAGS
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AC_REQUIRE([AC_PROG_CXX])
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AC_LANG_PUSH(C++)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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@%:@include <boost/version.hpp>
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]], [[
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#if BOOST_VERSION >= $WANT_BOOST_VERSION
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// Everything is okay
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#else
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# error Boost version is too old
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#endif
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]])],[
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AC_MSG_RESULT(yes)
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succeeded=yes
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found_system=yes
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],[
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])
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AC_LANG_POP([C++])
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dnl if we found no boost with system layout we search for boost libraries
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dnl built and installed without the --layout=system option or for a staged(not installed) version
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if test "x$succeeded" != "xyes"; then
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_version=0
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if test "$ac_boost_path" != ""; then
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if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
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for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
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_version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
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V_CHECK=`expr $_version_tmp \> $_version`
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if test "$V_CHECK" = "1" ; then
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_version=$_version_tmp
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fi
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VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
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BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE"
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done
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fi
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else
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if test "$cross_compiling" != yes; then
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for ac_boost_path in /usr /usr/local /opt /opt/local ; do
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if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
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for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
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_version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
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V_CHECK=`expr $_version_tmp \> $_version`
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if test "$V_CHECK" = "1" ; then
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_version=$_version_tmp
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best_path=$ac_boost_path
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fi
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done
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fi
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done
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VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
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BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE"
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if test "$ac_boost_lib_path" = ""; then
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for libsubdir in $libsubdirs ; do
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if ls "$best_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
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done
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BOOST_LDFLAGS="-L$best_path/$libsubdir"
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fi
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fi
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if test "x$BOOST_ROOT" != "x"; then
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for libsubdir in $libsubdirs ; do
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if ls "$BOOST_ROOT/stage/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
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done
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if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/$libsubdir" && test -r "$BOOST_ROOT/stage/$libsubdir"; then
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version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'`
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stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'`
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stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'`
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V_CHECK=`expr $stage_version_shorten \>\= $_version`
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if test "$V_CHECK" = "1" -a "$ac_boost_lib_path" = "" ; then
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AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT)
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BOOST_CPPFLAGS="-I$BOOST_ROOT"
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BOOST_LDFLAGS="-L$BOOST_ROOT/stage/$libsubdir"
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fi
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fi
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fi
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fi
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CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
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export CPPFLAGS
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LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
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export LDFLAGS
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AC_LANG_PUSH(C++)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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@%:@include <boost/version.hpp>
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]], [[
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#if BOOST_VERSION >= $WANT_BOOST_VERSION
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// Everything is okay
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#else
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# error Boost version is too old
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#endif
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]])],[
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AC_MSG_RESULT(yes)
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succeeded=yes
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found_system=yes
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],[
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])
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AC_LANG_POP([C++])
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fi
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if test "$succeeded" != "yes" ; then
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if test "$_version" = "0" ; then
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AC_MSG_NOTICE([[We could not detect the boost libraries (version $boost_lib_version_req_shorten or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option. If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation.]])
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else
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AC_MSG_NOTICE([Your boost libraries seems too old (version $_version).])
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fi
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# execute ACTION-IF-NOT-FOUND (if present):
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ifelse([$3], , :, [$3])
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else
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BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'`
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AC_SUBST(BOOST_CPPFLAGS)
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AC_SUBST(BOOST_LDFLAGS)
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# execute ACTION-IF-FOUND (if present):
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ifelse([$2], , :, [$2])
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fi
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CPPFLAGS="$CPPFLAGS_SAVED"
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LDFLAGS="$LDFLAGS_SAVED"
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])
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AC_DEFUN([AX_BOOST_HEADER_ONLY], [
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CPPFLAGS_SAVED="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
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export CPPFLAGS
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AS_IF([test x$enable_sanity_checks != xno], [
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AC_CACHE_CHECK(
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[whether the boost.$1 library is available],
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ax_cv_boost_$1,
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[AC_LANG_PUSH([C++])
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([[@%:@include <boost/$2>]],
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[[$3;]])],
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[AC_MSG_RESULT(yes)],
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AC_MSG_ERROR([Could not find boost.$1 headers!]))
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AC_LANG_POP([C++])])
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])
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CPPFLAGS="$CPPFLAGS_SAVED"
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])
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AC_DEFUN([AX_BOOST_LIB], [
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AC_ARG_WITH([boost-$1],
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AS_HELP_STRING([--with-boost-$1=LIBNAME],
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[Override the name of the library for boost.$1
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e.g. --with-boost-$1=boost_$1-gcc-mt]),
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[ax_boost_lib="$withval"],
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[ax_boost_lib="boost_$1"])
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CPPFLAGS_SAVED="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
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export CPPFLAGS
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LDFLAGS_SAVED="$LDFLAGS"
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LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
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export LDFLAGS
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AS_IF([test x$enable_sanity_checks != xno], [
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AC_CACHE_CHECK(
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[whether the boost.$1 library is available],
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ax_cv_boost_$1,
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[AC_LANG_PUSH([C++])
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([[@%:@include <boost/$3>]], [[$4;]])],
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[AC_MSG_RESULT(yes)],
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AC_MSG_ERROR([Could not find boost.$1 headers!]))
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AC_LANG_POP([C++])])
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AC_CHECK_LIB($ax_boost_lib, exit, [ax_boost_actual_lib="-l$ax_boost_lib"])
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], [ax_boost_actual_lib="-l$ax_boost_lib"])
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if test "x$ax_boost_actual_lib" = "x"; then
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for lib in `ls -r $BOOSTLIBDIR/libboost_$1* 2>/dev/null | sed 's,.*/lib,,' | sed 's,\..*,,'`; do
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ax_boost_lib=${lib}
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AC_CHECK_LIB($ax_boost_lib, exit, [ax_boost_actual_lib="-l$ax_boost_lib"; break])
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done
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fi
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if test "x$ax_boost_actual_lib" = "x"; then
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for lib in `ls -r $BOOSTLIBDIR/boost_$1* 2>/dev/null | sed 's,.*/,,' | sed -e 's,\..*,,'` ; do
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ax_boost_lib=${lib}
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AC_CHECK_LIB($ax_boost_lib, exit, [ax_boost_actual_lib="-l$ax_boost_lib"; break])
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done
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fi
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if test "x$ax_boost_actual_lib" = "x"; then
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AC_MSG_ERROR(Could not find a working version of the library!)
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fi
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eval $2="$ax_boost_actual_lib"
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AC_SUBST($2)
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CPPFLAGS="$CPPFLAGS_SAVED"
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LDFLAGS="$LDFLAGS_SAVED"
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])
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