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14afc71a61
We don't use / link against Boost libraries, so there is no reason for us to try and detect them / muddle with LDFLAGS.
257 lines
11 KiB
Plaintext
257 lines
11 KiB
Plaintext
# ===========================================================================
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# https://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++ headers 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, /opt/local and /opt/homebrew and evaluates
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# the $BOOST_ROOT environment variable. Further documentation is available
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# at <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)
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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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# Note that this macro has been modified compared to upstream.
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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 51
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# example boost program (need to pass version)
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m4_define([_AX_BOOST_BASE_PROGRAM],
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[AC_LANG_PROGRAM([[
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#include <boost/version.hpp>
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]],[[
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(void) ((void)sizeof(char[1 - 2*!!((BOOST_VERSION) < ($1))]));
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]])])
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AC_DEFUN([AX_BOOST_BASE],
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[
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AC_ARG_WITH([boost],
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[AS_HELP_STRING([--with-boost@<:@=ARG@:>@],
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[use Boost library from a standard location (ARG=yes),
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from the specified location (ARG=<path>),
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or disable it (ARG=no)
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@<:@ARG=yes@:>@ ])],
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[
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AS_CASE([$withval],
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[no],[want_boost="no";_AX_BOOST_BASE_boost_path=""],
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[yes],[want_boost="yes";_AX_BOOST_BASE_boost_path=""],
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[want_boost="yes";_AX_BOOST_BASE_boost_path="$withval"])
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],
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[want_boost="yes"])
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BOOST_CPPFLAGS=""
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AS_IF([test "x$want_boost" = "xyes"],
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[_AX_BOOST_BASE_RUNDETECT([$1],[$2],[$3])])
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AC_SUBST(BOOST_CPPFLAGS)
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])
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# convert a version string in $2 to numeric and affect to polymorphic var $1
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AC_DEFUN([_AX_BOOST_BASE_TONUMERICVERSION],[
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AS_IF([test "x$2" = "x"],[_AX_BOOST_BASE_TONUMERICVERSION_req="1.20.0"],[_AX_BOOST_BASE_TONUMERICVERSION_req="$2"])
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_AX_BOOST_BASE_TONUMERICVERSION_req_shorten=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '\([[0-9]]*\.[[0-9]]*\)'`
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_AX_BOOST_BASE_TONUMERICVERSION_req_major=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '\([[0-9]]*\)'`
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AS_IF([test "x$_AX_BOOST_BASE_TONUMERICVERSION_req_major" = "x"],
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[AC_MSG_ERROR([You should at least specify libboost major version])])
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_AX_BOOST_BASE_TONUMERICVERSION_req_minor=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '[[0-9]]*\.\([[0-9]]*\)'`
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AS_IF([test "x$_AX_BOOST_BASE_TONUMERICVERSION_req_minor" = "x"],
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[_AX_BOOST_BASE_TONUMERICVERSION_req_minor="0"])
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_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
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AS_IF([test "X$_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor" = "X"],
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[_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor="0"])
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_AX_BOOST_BASE_TONUMERICVERSION_RET=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req_major \* 100000 \+ $_AX_BOOST_BASE_TONUMERICVERSION_req_minor \* 100 \+ $_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor`
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AS_VAR_SET($1,$_AX_BOOST_BASE_TONUMERICVERSION_RET)
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])
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dnl Run the detection of boost should be run only if $want_boost
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AC_DEFUN([_AX_BOOST_BASE_RUNDETECT],[
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_AX_BOOST_BASE_TONUMERICVERSION(WANT_BOOST_VERSION,[$1])
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succeeded=no
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AC_REQUIRE([AC_CANONICAL_HOST])
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dnl On 64-bit systems check for system libraries in both lib64 and lib.
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dnl The former is specified by FHS, but e.g. Debian does not adhere to
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dnl this (as it rises problems for generic multi-arch support).
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dnl The last entry in the list is chosen by default when no libraries
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dnl are found, e.g. when only header-only libraries are installed!
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AS_CASE([${host_cpu}],
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[x86_64],[libsubdirs="lib64 libx32 lib lib64"],
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[mips*64*],[libsubdirs="lib64 lib32 lib lib64"],
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[ppc64|powerpc64|s390x|sparc64|aarch64|ppc64le|powerpc64le|riscv64|e2k],[libsubdirs="lib64 lib lib64"],
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[libsubdirs="lib"]
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)
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dnl allow for real multi-arch paths e.g. /usr/lib/x86_64-linux-gnu. Give
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dnl them priority over the other paths since, if libs are found there, they
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dnl are almost assuredly the ones desired.
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AS_CASE([${host_cpu}],
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[i?86],[multiarch_libsubdir="lib/i386-${host_os}"],
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[armv7l],[multiarch_libsubdir="lib/arm-${host_os}"],
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[multiarch_libsubdir="lib/${host_cpu}-${host_os}"]
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)
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dnl first we check the system location for boost libraries
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dnl this location is chosen if boost libraries are installed with the --layout=system option
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dnl or if you install boost with RPM
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AS_IF([test "x$_AX_BOOST_BASE_boost_path" != "x"],[
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AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION) includes in "$_AX_BOOST_BASE_boost_path/include"])
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AS_IF([test -d "$_AX_BOOST_BASE_boost_path/include" && test -r "$_AX_BOOST_BASE_boost_path/include"],[
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AC_MSG_RESULT([yes])
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BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path/include"
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for _AX_BOOST_BASE_boost_path_tmp in $multiarch_libsubdir $libsubdirs; do
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AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION) lib path in "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp"])
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AS_IF([test -d "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp" && test -r "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp" ],[
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AC_MSG_RESULT([yes])
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break;
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],
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[AC_MSG_RESULT([no])])
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done],[
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AC_MSG_RESULT([no])])
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],[
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if test X"$cross_compiling" = Xyes; then
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search_libsubdirs=$multiarch_libsubdir
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else
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search_libsubdirs="$multiarch_libsubdir $libsubdirs"
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fi
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for _AX_BOOST_BASE_boost_path_tmp in /usr /usr/local /opt /opt/local /opt/homebrew ; do
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if test -d "$_AX_BOOST_BASE_boost_path_tmp/include/boost" && test -r "$_AX_BOOST_BASE_boost_path_tmp/include/boost" ; then
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for libsubdir in $search_libsubdirs ; do
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if ls "$_AX_BOOST_BASE_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
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done
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BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path_tmp/include"
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break;
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fi
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done
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])
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AC_MSG_CHECKING([for Boost headers >= $1 ($WANT_BOOST_VERSION)])
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CPPFLAGS_SAVED="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
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export CPPFLAGS
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AC_REQUIRE([AC_PROG_CXX])
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AC_LANG_PUSH(C++)
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AC_COMPILE_IFELSE([_AX_BOOST_BASE_PROGRAM($WANT_BOOST_VERSION)],[
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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$succeeded" != "xyes" ; then
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CPPFLAGS="$CPPFLAGS_SAVED"
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BOOST_CPPFLAGS=
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_version=0
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if test -n "$_AX_BOOST_BASE_boost_path" ; then
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if test -d "$_AX_BOOST_BASE_boost_path" && test -r "$_AX_BOOST_BASE_boost_path"; then
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for i in `ls -d $_AX_BOOST_BASE_boost_path/include/boost-* 2>/dev/null`; do
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_version_tmp=`echo $i | sed "s#$_AX_BOOST_BASE_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
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V_CHECK=`expr $_version_tmp \> $_version`
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if test "x$V_CHECK" = "x1" ; then
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_version=$_version_tmp
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fi
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VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
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BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path/include/boost-$VERSION_UNDERSCORE"
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done
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dnl if nothing found search for layout used in Windows distributions
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if test -z "$BOOST_CPPFLAGS"; then
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if test -d "$_AX_BOOST_BASE_boost_path/boost" && test -r "$_AX_BOOST_BASE_boost_path/boost"; then
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BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path"
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fi
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fi
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fi
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else
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if test "x$cross_compiling" != "xyes" ; then
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for _AX_BOOST_BASE_boost_path in /usr /usr/local /opt /opt/local /opt/homebrew ; do
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if test -d "$_AX_BOOST_BASE_boost_path" && test -r "$_AX_BOOST_BASE_boost_path" ; then
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for i in `ls -d $_AX_BOOST_BASE_boost_path/include/boost-* 2>/dev/null`; do
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_version_tmp=`echo $i | sed "s#$_AX_BOOST_BASE_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
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V_CHECK=`expr $_version_tmp \> $_version`
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if test "x$V_CHECK" = "x1" ; then
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_version=$_version_tmp
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best_path=$_AX_BOOST_BASE_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-$VERSION_UNDERSCORE"
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fi
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if test -n "$BOOST_ROOT" ; 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 \>\= $_version`
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if test "x$V_CHECK" = "x1" ; 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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fi
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fi
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fi
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fi
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CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
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export CPPFLAGS
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AC_LANG_PUSH(C++)
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AC_COMPILE_IFELSE([_AX_BOOST_BASE_PROGRAM($WANT_BOOST_VERSION)],[
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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 "x$succeeded" != "xyes" ; then
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if test "x$_version" = "x0" ; then
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AC_MSG_NOTICE([[We could not detect the boost libraries (version $1 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 to 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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AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available])
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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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])
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