[nemiver] Import new boost M4 files from upstream



commit bb0b30c1b0749b58efc141167937eb3855957ff5
Author: Fabien Parent <parent f gmail com>
Date:   Tue Jul 8 16:16:07 2014 +0200

    Import new boost M4 files from upstream
    
        * m4/ax_boost_base.m4: Imported from autoconf-archive-2014.02.28,
        * m4/ax_boost_test_exec_monitor.m4: Ditto,
        * m4/ax_boost_unit_test_framework.m4: Ditto.
    
    Signed-off-by: Dodji Seketeli <dodji seketeli org>

 m4/ax_boost_base.m4                |  404 +++++++++++++++++++++---------------
 m4/ax_boost_test_exec_monitor.m4   |    8 +-
 m4/ax_boost_unit_test_framework.m4 |    8 +-
 3 files changed, 243 insertions(+), 177 deletions(-)
---
diff --git a/m4/ax_boost_base.m4 b/m4/ax_boost_base.m4
index 7e3383d..8e6ee9a 100644
--- a/m4/ax_boost_base.m4
+++ b/m4/ax_boost_base.m4
@@ -1,17 +1,19 @@
-##### http://autoconf-archive.cryp.to/ax_boost_base.html
+# ===========================================================================
+#       http://www.gnu.org/software/autoconf-archive/ax_boost_base.html
+# ===========================================================================
 #
 # SYNOPSIS
 #
-#   AX_BOOST_BASE([MINIMUM-VERSION])
+#   AX_BOOST_BASE([MINIMUM-VERSION], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
 #
 # DESCRIPTION
 #
 #   Test for the Boost C++ libraries of a particular version (or newer)
 #
-#   If no path to the installed boost library is given the macro
-#   searchs under /usr, /usr/local, and /opt, and evaluates the
-#   $BOOST_ROOT environment variable. Further documentation is
-#   available at <http://randspringer.de/boost/index.html>.
+#   If no path to the installed boost library is given the macro searchs
+#   under /usr, /usr/local, /opt and /opt/local and evaluates the
+#   $BOOST_ROOT environment variable. Further documentation is available at
+#   <http://randspringer.de/boost/index.html>.
 #
 #   This macro calls:
 #
@@ -21,186 +23,250 @@
 #
 #     HAVE_BOOST
 #
-# LAST MODIFICATION
+# LICENSE
 #
-#   2006-12-28
+#   Copyright (c) 2008 Thomas Porschberg <thomas randspringer de>
+#   Copyright (c) 2009 Peter Adolphs
 #
-# COPYLEFT
-#
-#   Copyright (c) 2006 Thomas Porschberg <thomas randspringer de>
-#
-#   Copying and distribution of this file, with or without
-#   modification, are permitted in any medium without royalty provided
-#   the copyright notice and this notice are preserved.
+#   Copying and distribution of this file, with or without modification, are
+#   permitted in any medium without royalty provided the copyright notice
+#   and this notice are preserved. This file is offered as-is, without any
+#   warranty.
+
+#serial 23
 
 AC_DEFUN([AX_BOOST_BASE],
 [
 AC_ARG_WITH([boost],
-       AS_HELP_STRING([--with-boost@<:@=DIR@:>@], [use boost (default is No) - it is possible to specify the 
root directory for boost (optional)]),
-       [
+  [AS_HELP_STRING([--with-boost@<:@=ARG@:>@],
+    [use Boost library from a standard location (ARG=yes),
+     from the specified location (ARG=<path>),
+     or disable it (ARG=no)
+     @<:@ARG=yes@:>@ ])],
+    [
     if test "$withval" = "no"; then
-               want_boost="no"
+        want_boost="no"
     elif test "$withval" = "yes"; then
         want_boost="yes"
         ac_boost_path=""
     else
-           want_boost="yes"
+        want_boost="yes"
         ac_boost_path="$withval"
-       fi
+    fi
     ],
     [want_boost="yes"])
 
+
+AC_ARG_WITH([boost-libdir],
+        AS_HELP_STRING([--with-boost-libdir=LIB_DIR],
+        [Force given directory for boost libraries. Note that this will override library path detection, so 
use this parameter only if default library detection fails and you know exactly where your boost libraries 
are located.]),
+        [
+        if test -d "$withval"
+        then
+                ac_boost_lib_path="$withval"
+        else
+                AC_MSG_ERROR(--with-boost-libdir expected directory name)
+        fi
+        ],
+        [ac_boost_lib_path=""]
+)
+
 if test "x$want_boost" = "xyes"; then
-       boost_lib_version_req=ifelse([$1], ,1.20.0,$1)
-       boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'`
-       boost_lib_version_req_major=`expr $boost_lib_version_req : '\([[0-9]]*\)'`
-       boost_lib_version_req_minor=`expr $boost_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'`
-       boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
-       if test "x$boost_lib_version_req_sub_minor" = "x" ; then
-               boost_lib_version_req_sub_minor="0"
-       fi
-       WANT_BOOST_VERSION=`expr $boost_lib_version_req_major \* 100000 \+  $boost_lib_version_req_minor \* 
100 \+ $boost_lib_version_req_sub_minor`
-       AC_MSG_CHECKING(for boostlib >= $boost_lib_version_req)
-       succeeded=no
-
-       # Some systems like Fedora/RHEL put system libraries under
-       # /usr/lib64 when setup in 64 bits. We need to detect that.
-       LIBDIRNAME=lib
-       is_64_bits=$(uname -m | grep 64 | wc -l)
-       if (test $is_64_bits -ne 0) && (test -f /etc/redhat-release); then
-          LIBDIRNAME=lib64
-       fi
-
-       dnl first we check the system location for boost libraries
-       dnl this location ist chosen if boost libraries are installed with the --layout=system option
-       dnl or if you install boost with RPM
-       if test "$ac_boost_path" != ""; then            
-               BOOST_LDFLAGS="-L$ac_boost_path/$LIBDIRNAME"
-               BOOST_CPPFLAGS="-I$ac_boost_path/include"
-       else
-               for ac_boost_path_tmp in /usr /usr/local /opt ; do
-                       if test -d "$ac_boost_path_tmp/include/boost" && test -r 
"$ac_boost_path_tmp/include/boost"; then
-                               BOOST_LDFLAGS="-L$ac_boost_path_tmp/$LIBDIRNAME"
-                               BOOST_CPPFLAGS="-I$ac_boost_path_tmp/include"
-                               break;
-                       fi
-               done
-       fi
-
-       CPPFLAGS_SAVED="$CPPFLAGS"
-       CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
-       export CPPFLAGS
-
-       LDFLAGS_SAVED="$LDFLAGS"
-       LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
-       export LDFLAGS
-
-       AC_LANG_PUSH(C++)
-       AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
-       @%:@include <boost/version.hpp>
-       ]], [[
-       #if BOOST_VERSION >= $WANT_BOOST_VERSION
-       // Everything is okay
-       #else
-       #  error Boost version is too old
-       #endif
-       ]])],[
+    boost_lib_version_req=ifelse([$1], ,1.20.0,$1)
+    boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'`
+    boost_lib_version_req_major=`expr $boost_lib_version_req : '\([[0-9]]*\)'`
+    boost_lib_version_req_minor=`expr $boost_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'`
+    boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
+    if test "x$boost_lib_version_req_sub_minor" = "x" ; then
+        boost_lib_version_req_sub_minor="0"
+        fi
+    WANT_BOOST_VERSION=`expr $boost_lib_version_req_major \* 100000 \+  $boost_lib_version_req_minor \* 100 
\+ $boost_lib_version_req_sub_minor`
+    AC_MSG_CHECKING(for boostlib >= $boost_lib_version_req)
+    succeeded=no
+
+    dnl On 64-bit systems check for system libraries in both lib64 and lib.
+    dnl The former is specified by FHS, but e.g. Debian does not adhere to
+    dnl this (as it rises problems for generic multi-arch support).
+    dnl The last entry in the list is chosen by default when no libraries
+    dnl are found, e.g. when only header-only libraries are installed!
+    libsubdirs="lib"
+    ax_arch=`uname -m`
+    case $ax_arch in
+      x86_64|ppc64|s390x|sparc64|aarch64)
+        libsubdirs="lib64 lib lib64"
+        ;;
+    esac
+
+    dnl allow for real multi-arch paths e.g. /usr/lib/x86_64-linux-gnu. Give
+    dnl them priority over the other paths since, if libs are found there, they
+    dnl are almost assuredly the ones desired.
+    AC_REQUIRE([AC_CANONICAL_HOST])
+    libsubdirs="lib/${host_cpu}-${host_os} $libsubdirs"
+
+    case ${host_cpu} in
+      i?86)
+        libsubdirs="lib/i386-${host_os} $libsubdirs"
+        ;;
+    esac
+
+    dnl first we check the system location for boost libraries
+    dnl this location ist chosen if boost libraries are installed with the --layout=system option
+    dnl or if you install boost with RPM
+    if test "$ac_boost_path" != ""; then
+        BOOST_CPPFLAGS="-I$ac_boost_path/include"
+        for ac_boost_path_tmp in $libsubdirs; do
+                if test -d "$ac_boost_path"/"$ac_boost_path_tmp" ; then
+                        BOOST_LDFLAGS="-L$ac_boost_path/$ac_boost_path_tmp"
+                        break
+                fi
+        done
+    elif test "$cross_compiling" != yes; then
+        for ac_boost_path_tmp in /usr /usr/local /opt /opt/local ; do
+            if test -d "$ac_boost_path_tmp/include/boost" && test -r "$ac_boost_path_tmp/include/boost"; then
+                for libsubdir in $libsubdirs ; do
+                    if ls "$ac_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
+                done
+                BOOST_LDFLAGS="-L$ac_boost_path_tmp/$libsubdir"
+                BOOST_CPPFLAGS="-I$ac_boost_path_tmp/include"
+                break;
+            fi
+        done
+    fi
+
+    dnl overwrite ld flags if we have required special directory with
+    dnl --with-boost-libdir parameter
+    if test "$ac_boost_lib_path" != ""; then
+       BOOST_LDFLAGS="-L$ac_boost_lib_path"
+    fi
+
+    CPPFLAGS_SAVED="$CPPFLAGS"
+    CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
+    export CPPFLAGS
+
+    LDFLAGS_SAVED="$LDFLAGS"
+    LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
+    export LDFLAGS
+
+    AC_REQUIRE([AC_PROG_CXX])
+    AC_LANG_PUSH(C++)
+        AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+    @%:@include <boost/version.hpp>
+    ]], [[
+    #if BOOST_VERSION >= $WANT_BOOST_VERSION
+    // Everything is okay
+    #else
+    #  error Boost version is too old
+    #endif
+    ]])],[
         AC_MSG_RESULT(yes)
-       succeeded=yes
-       found_system=yes
-               ],[
-               ])
-       AC_LANG_POP([C++])
-
-
-
-       dnl if we found no boost with system layout we search for boost libraries
-       dnl built and installed without the --layout=system option or for a staged(not installed) version
-       if test "x$succeeded" != "xyes"; then
-               _version=0
-               if test "$ac_boost_path" != ""; then
-                               BOOST_LDFLAGS="-L$ac_boost_path/lib"
-                       if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
-                               for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
-                                       _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 
's/\/include\/boost-//' | sed 's/_/./'`
-                                       V_CHECK=`expr $_version_tmp \> $_version`
-                                       if test "$V_CHECK" = "1" ; then
-                                               _version=$_version_tmp
-                                       fi
-                                       VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
-                                       BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE"
-                               done
-                       fi
-               else
-                       for ac_boost_path in /usr /usr/local /opt ; do
-                               if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
-                                       for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
-                                               _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 
's/\/include\/boost-//' | sed 's/_/./'`
-                                               V_CHECK=`expr $_version_tmp \> $_version`
-                                               if test "$V_CHECK" = "1" ; then
-                                                       _version=$_version_tmp
-                                                       best_path=$ac_boost_path
-                                               fi
-                                       done
-                               fi
-                       done
-
-                       VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
-                       BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE"
-                       BOOST_LDFLAGS="-L$best_path/lib"
-
-                       if test "x$BOOST_ROOT" != "x"; then
-                               if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d 
"$BOOST_ROOT/stage/lib" && test -r "$BOOST_ROOT/stage/lib"; then
-                                       version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'`
-                                       stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'`
-                                       stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'`
-                                       V_CHECK=`expr $stage_version_shorten \>\= $_version`
-                                       if test "$V_CHECK" = "1" ; then
-                                               AC_MSG_NOTICE(We will use a staged boost library from 
$BOOST_ROOT)
-                                               BOOST_CPPFLAGS="-I$BOOST_ROOT"
-                                               BOOST_LDFLAGS="-L$BOOST_ROOT/stage/lib"
-                                       fi
-                               fi
-                       fi
-               fi
-
-               CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
-               export CPPFLAGS
-               LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
-               export LDFLAGS
-
-               AC_LANG_PUSH(C++)
-               AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
-               @%:@include <boost/version.hpp>
-               ]], [[
-               #if BOOST_VERSION >= $WANT_BOOST_VERSION
-               // Everything is okay
-               #else
-               #  error Boost version is too old
-               #endif
-               ]])],[
-               AC_MSG_RESULT(yes)
-               succeeded=yes
-               found_system=yes
-                       ],[
-               ])
-               AC_LANG_POP([C++])
-       fi
-
-       if test "$succeeded" != "yes" ; then
-               if test "$_version" = "0" ; then
-                       AC_MSG_ERROR([[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.]])
-               else
-                       AC_MSG_NOTICE([Your boost libraries seems to old (version $_version).])
-               fi
-       else
-               AC_SUBST(BOOST_CPPFLAGS)
-               AC_SUBST(BOOST_LDFLAGS)
-               AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available])
-       fi
-
-        CPPFLAGS="$CPPFLAGS_SAVED"
-               LDFLAGS="$LDFLAGS_SAVED"
+    succeeded=yes
+    found_system=yes
+        ],[
+        ])
+    AC_LANG_POP([C++])
+
+
+
+    dnl if we found no boost with system layout we search for boost libraries
+    dnl built and installed without the --layout=system option or for a staged(not installed) version
+    if test "x$succeeded" != "xyes"; then
+        _version=0
+        if test "$ac_boost_path" != ""; then
+            if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
+                for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
+                    _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 
's/_/./'`
+                    V_CHECK=`expr $_version_tmp \> $_version`
+                    if test "$V_CHECK" = "1" ; then
+                        _version=$_version_tmp
+                    fi
+                    VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
+                    BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE"
+                done
+            fi
+        else
+            if test "$cross_compiling" != yes; then
+                for ac_boost_path in /usr /usr/local /opt /opt/local ; do
+                    if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
+                        for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
+                            _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | 
sed 's/_/./'`
+                            V_CHECK=`expr $_version_tmp \> $_version`
+                            if test "$V_CHECK" = "1" ; then
+                                _version=$_version_tmp
+                                best_path=$ac_boost_path
+                            fi
+                        done
+                    fi
+                done
+
+                VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
+                BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE"
+                if test "$ac_boost_lib_path" = ""; then
+                    for libsubdir in $libsubdirs ; do
+                        if ls "$best_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
+                    done
+                    BOOST_LDFLAGS="-L$best_path/$libsubdir"
+                fi
+            fi
+
+            if test "x$BOOST_ROOT" != "x"; then
+                for libsubdir in $libsubdirs ; do
+                    if ls "$BOOST_ROOT/stage/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
+                done
+                if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/$libsubdir" 
&& test -r "$BOOST_ROOT/stage/$libsubdir"; then
+                    version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'`
+                    stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'`
+                        stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'`
+                    V_CHECK=`expr $stage_version_shorten \>\= $_version`
+                    if test "$V_CHECK" = "1" -a "$ac_boost_lib_path" = "" ; then
+                        AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT)
+                        BOOST_CPPFLAGS="-I$BOOST_ROOT"
+                        BOOST_LDFLAGS="-L$BOOST_ROOT/stage/$libsubdir"
+                    fi
+                fi
+            fi
+        fi
+
+        CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
+        export CPPFLAGS
+        LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
+        export LDFLAGS
+
+        AC_LANG_PUSH(C++)
+            AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+        @%:@include <boost/version.hpp>
+        ]], [[
+        #if BOOST_VERSION >= $WANT_BOOST_VERSION
+        // Everything is okay
+        #else
+        #  error Boost version is too old
+        #endif
+        ]])],[
+            AC_MSG_RESULT(yes)
+        succeeded=yes
+        found_system=yes
+            ],[
+            ])
+        AC_LANG_POP([C++])
+    fi
+
+    if test "$succeeded" != "yes" ; then
+        if test "$_version" = "0" ; then
+            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.]])
+        else
+            AC_MSG_NOTICE([Your boost libraries seems to old (version $_version).])
+        fi
+        # execute ACTION-IF-NOT-FOUND (if present):
+        ifelse([$3], , :, [$3])
+    else
+        AC_SUBST(BOOST_CPPFLAGS)
+        AC_SUBST(BOOST_LDFLAGS)
+        AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available])
+        # execute ACTION-IF-FOUND (if present):
+        ifelse([$2], , :, [$2])
+    fi
+
+    CPPFLAGS="$CPPFLAGS_SAVED"
+    LDFLAGS="$LDFLAGS_SAVED"
 fi
 
 ])
diff --git a/m4/ax_boost_test_exec_monitor.m4 b/m4/ax_boost_test_exec_monitor.m4
index 61f105d..3875561 100644
--- a/m4/ax_boost_test_exec_monitor.m4
+++ b/m4/ax_boost_test_exec_monitor.m4
@@ -30,7 +30,7 @@
 #   and this notice are preserved. This file is offered as-is, without any
 #   warranty.
 
-#serial 18
+#serial 20
 
 AC_DEFUN([AX_BOOST_TEST_EXEC_MONITOR],
 [
@@ -77,9 +77,9 @@ AC_DEFUN([AX_BOOST_TEST_EXEC_MONITOR],
             if test "x$ax_boost_user_test_exec_monitor_lib" = "x"; then
                        saved_ldflags="${LDFLAGS}"
 
-                for monitor_library in `ls $BOOSTLIBDIR/libboost_test_exec_monitor*.so* 
$BOOSTLIBDIR/libboost_test_exec_monitor*.a* 2>/dev/null` ; do
+                for monitor_library in `ls $BOOSTLIBDIR/libboost_test_exec_monitor*.so* 
$BOOSTLIBDIR/libboost_test_exec_monitor*.dylib* $BOOSTLIBDIR/libboost_test_exec_monitor*.a* 2>/dev/null` ; do
                     if test -r $monitor_library ; then
-                       libextension=`echo $monitor_library | sed 's,.*/,,' | sed -e 
's;^lib\(boost_test_exec_monitor.*\)\.so.*$;\1;' -e 's;^lib\(boost_test_exec_monitor.*\)\.a*$;\1;'`
+                       libextension=`echo $monitor_library | sed 's,.*/,,' | sed -e 
's;^lib\(boost_test_exec_monitor.*\)\.so.*$;\1;' -e 's;^lib\(boost_test_exec_monitor.*\)\.dylib.*$;\1;' -e 
's;^lib\(boost_test_exec_monitor.*\)\.a.*$;\1;'`
                        ax_lib=${libextension}
                        link_test_exec_monitor="yes"
                     else
@@ -93,7 +93,7 @@ AC_DEFUN([AX_BOOST_TEST_EXEC_MONITOR],
                                  fi
                 done
                 if test "x$link_test_exec_monitor" != "xyes"; then
-                for libextension in `ls $BOOSTLIBDIR/boost_test_exec_monitor*.{dll,a}* 2>/dev/null | sed 
's,.*/,,' | sed -e 's;^\(boost_test_exec_monitor.*\)\.dll.*$;\1;' -e 
's;^\(boost_test_exec_monitor.*\)\.a*$;\1;'` ; do
+                for libextension in `ls $BOOSTLIBDIR/boost_test_exec_monitor*.dll* 
$BOOSTLIBDIR/boost_test_exec_monitor*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 
's;^\(boost_test_exec_monitor.*\)\.dll.*$;\1;' -e 's;^\(boost_test_exec_monitor.*\)\.a.*$;\1;'` ; do
                      ax_lib=${libextension}
                                    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_TEST_EXEC_MONITOR_LIB="-l$ax_lib"; 
AC_SUBST(BOOST_TEST_EXEC_MONITOR_LIB) link_test_exec_monitor="yes"; break],
diff --git a/m4/ax_boost_unit_test_framework.m4 b/m4/ax_boost_unit_test_framework.m4
index c8e823d..1115f55 100644
--- a/m4/ax_boost_unit_test_framework.m4
+++ b/m4/ax_boost_unit_test_framework.m4
@@ -29,7 +29,7 @@
 #   and this notice are preserved. This file is offered as-is, without any
 #   warranty.
 
-#serial 17
+#serial 19
 
 AC_DEFUN([AX_BOOST_UNIT_TEST_FRAMEWORK],
 [
@@ -76,9 +76,9 @@ AC_DEFUN([AX_BOOST_UNIT_TEST_FRAMEWORK],
 
             if test "x$ax_boost_user_unit_test_framework_lib" = "x"; then
                        saved_ldflags="${LDFLAGS}"
-                for monitor_library in `ls $BOOSTLIBDIR/libboost_unit_test_framework*.so* 
$BOOSTLIBDIR/libboost_unit_test_framework*.a* 2>/dev/null` ; do
+                for monitor_library in `ls $BOOSTLIBDIR/libboost_unit_test_framework*.so* 
$BOOSTLIBDIR/libboost_unit_test_framework*.dylib* $BOOSTLIBDIR/libboost_unit_test_framework*.a* 2>/dev/null` 
; do
                     if test -r $monitor_library ; then
-                       libextension=`echo $monitor_library | sed 's,.*/,,' | sed -e 
's;^lib\(boost_unit_test_framework.*\)\.so.*$;\1;' -e 's;^lib\(boost_unit_test_framework.*\)\.a*$;\1;'`
+                       libextension=`echo $monitor_library | sed 's,.*/,,' | sed -e 
's;^lib\(boost_unit_test_framework.*\)\.so.*$;\1;' -e 's;^lib\(boost_unit_test_framework.*\)\.dylib.*$;\1;' 
-e 's;^lib\(boost_unit_test_framework.*\)\.a.*$;\1;'`
                        ax_lib=${libextension}
                        link_unit_test_framework="yes"
                     else
@@ -92,7 +92,7 @@ AC_DEFUN([AX_BOOST_UNIT_TEST_FRAMEWORK],
                                    fi
                 done
                 if test "x$link_unit_test_framework" != "xyes"; then
-                for libextension in `ls $BOOSTLIBDIR/boost_unit_test_framework*.{dll,a}* 2>/dev/null  | sed 
's,.*/,,' | sed -e 's;^\(boost_unit_test_framework.*\)\.dll.*$;\1;' -e 
's;^\(boost_unit_test_framework.*\)\.a*$;\1;'` ; do
+                for libextension in `ls $BOOSTLIBDIR/boost_unit_test_framework*.dll* 
$BOOSTLIBDIR/boost_unit_test_framework*.a* 2>/dev/null  | sed 's,.*/,,' | sed -e 
's;^\(boost_unit_test_framework.*\)\.dll.*$;\1;' -e 's;^\(boost_unit_test_framework.*\)\.a.*$;\1;'` ; do
                      ax_lib=${libextension}
                                    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_UNIT_TEST_FRAMEWORK_LIB="-l$ax_lib"; 
AC_SUBST(BOOST_UNIT_TEST_FRAMEWORK_LIB) link_unit_test_framework="yes"; break],


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