diff --git a/m4/m4_ax_boost_filesystem.m4 b/m4/ax_boost_filesystem.m4
index 18df8f4..aebcbf7 100644
--- m4/m4_ax_boost_filesystem.m4
+++ m4/m4_ax_boost_filesystem.m4
@@ -31,7 +31,7 @@
 #   and this notice are preserved. This file is offered as-is, without any
 #   warranty.
 
-#serial 22
+#serial 24
 
 AC_DEFUN([AX_BOOST_FILESYSTEM],
 [
@@ -81,14 +81,14 @@ AC_DEFUN([AX_BOOST_FILESYSTEM],
 			AC_DEFINE(HAVE_BOOST_FILESYSTEM,,[define if the Boost::Filesystem library is available])
             BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'`
             if test "x$ax_boost_user_filesystem_lib" = "x"; then
-                for libextension in `ls $BOOSTLIBDIR/libboost_filesystem*.so* $BOOSTLIBDIR/libboost_filesystem*.dylib* $BOOSTLIBDIR/libboost_filesystem*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_filesystem.*\)\.so.*$;\1;' -e 's;^lib\(boost_filesystem.*\)\.a*$;\1;' -e 's;^lib\(boost_filesystem.*\)\.dylib$;\1;'` ; do
+                for libextension in `ls $BOOSTLIBDIR/libboost_filesystem*.so* $BOOSTLIBDIR/libboost_filesystem*.dylib* $BOOSTLIBDIR/libboost_filesystem*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_filesystem.*\)\.\(dylib\|a\|so\).*$;\1;' | tac` ; do
                      ax_lib=${libextension}
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_FILESYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_FILESYSTEM_LIB) link_filesystem="yes"; break],
                                  [link_filesystem="no"])
 				done
                 if test "x$link_filesystem" != "xyes"; then
-                for libextension in `ls $BOOSTLIBDIR/boost_filesystem*.{dll,a}* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_filesystem.*\)\.dll.*$;\1;' -e 's;^\(boost_filesystem.*\)\.a*$;\1;'` ; do
+                for libextension in `ls $BOOSTLIBDIR/boost_filesystem*.dll* $BOOSTLIBDIR/boost_filesystem*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_filesystem.*\)\.\(dll\|a\).*$;\1;' | tac` ; do
                      ax_lib=${libextension}
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_FILESYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_FILESYSTEM_LIB) link_filesystem="yes"; break],
diff --git a/m4/m4_ax_boost_system.m4 b/m4/ax_boost_system.m4
index 7fbf6d3..bf82391 100644
--- m4/m4_ax_boost_system.m4
+++ m4/m4_ax_boost_system.m4
@@ -83,14 +83,14 @@ AC_DEFUN([AX_BOOST_SYSTEM],
 
 			LDFLAGS_SAVE=$LDFLAGS
             if test "x$ax_boost_user_system_lib" = "x"; then
-                for libextension in `ls $BOOSTLIBDIR/libboost_system*.so* $BOOSTLIBDIR/libboost_system*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_system.*\)\.so.*$;\1;' -e 's;^lib\(boost_system.*\)\.a*$;\1;'` ; do
+                for libextension in `ls $BOOSTLIBDIR/libboost_system*.a* $BOOSTLIBDIR/libboost_system*.so* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_system.*\)\.\(so\|a\).*$;\1;' | tac` ; do
                      ax_lib=${libextension}
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_SYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_SYSTEM_LIB) link_system="yes"; break],
                                  [link_system="no"])
 				done
                 if test "x$link_system" != "xyes"; then
-                for libextension in `ls $BOOSTLIBDIR/boost_system*.{dll,a}* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_system.*\)\.dll.*$;\1;' -e 's;^\(boost_system.*\)\.a*$;\1;'` ; do
+                for libextension in `ls $BOOSTLIBDIR/boost_system*.{dll,a}* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_system.*\)\.\(dll\|a\).*$;\1;' | tac` ; do
                      ax_lib=${libextension}
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_SYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_SYSTEM_LIB) link_system="yes"; break],
diff --git a/src/logmill.cpp b/src/logmill.cpp
index 8fc6153..2a9afd9 100644
--- src/logmill.cpp
+++ src/logmill.cpp
@@ -176,7 +176,7 @@ RCommitLog* RLogMill::fetchLog(std::string& log_format) {
                     logfile = repo_path.string();
                 }
             }
-        } catch(boost::filesystem3::filesystem_error& error) {
+        } catch(boost::filesystem::filesystem_error& error) {
         }
     }