replace SP*-TAB by TAB, now that we know there are fewer than 8 SP

git grep -l ' 	'|xargs perl -pi -e 's/ +\t/\t/'

26 files changed, 107 insertions, 107 deletions

diff --git a/m4/ax_arg_with_path_style.m4 b/m4/ax_arg_with_path_style.m4
index da908a6..96c7cf1 100644
--- a/m4/ax_arg_with_path_style.m4
+++ b/m4/ax_arg_with_path_style.m4
@@ -95,7 +95,7 @@ AC_DEFUN([AX_ARG_WITH_PATH_STYLE],
    case ",$ac_with_path_style," in
     *,unx,*|*,unix,*|*,bsd,*|*,posix,*) :
 	ac_with_path_style__unx="32" ;;
-    *) 	ac_with_path_style__unx="0" ;;
+    *)	ac_with_path_style__unx="0" ;;
    esac
    case ",$ac_with_path_style," in
     *,dos,*|*,win,*|*,windows,*) :
@@ -105,37 +105,37 @@ AC_DEFUN([AX_ARG_WITH_PATH_STYLE],
    case ",$ac_with_path_style," in
     *,web,*|*,url,*|*,www,*) :
 	ac_with_path_style__url="64" ;;
-    *) 	ac_with_path_style__url="0" ;;
+    *)	ac_with_path_style__url="0" ;;
    esac
    case ",$ac_with_path_style," in
     *,mac,*|*,macintosh,*|*,apple,*) :
 	ac_with_path_style__mac="128" ;;
-    *) 	ac_with_path_style__mac="0" ;;
+    *)	ac_with_path_style__mac="0" ;;
    esac
    case ",$ac_with_path_style," in
     *,def,*|*,define,*|*,special,*) :
 	ac_with_path_style__def="256" ;;
-    *) 	ac_with_path_style__def="0" ;;
+    *)	ac_with_path_style__def="0" ;;
    esac
    case ",$ac_with_path_style," in
     *,also,*|*,strict,*|*,accept,*|*,convert,*) :
 	ac_with_path_style__use="512" ;;
-    *) 	ac_with_path_style__use="0" ;;
+    *)	ac_with_path_style__use="0" ;;
    esac
    case ",$ac_with_path_style," in
     *,sl,*|*,slash,*|*,forwslash,*|*,slashsep,*) :
 	ac_with_path_style__slash="1024" ;;
-    *) 	ac_with_path_style__slash="0" ;;
+    *)	ac_with_path_style__slash="0" ;;
    esac
    case ",$ac_with_path_style," in
     *,sc,*|*,semi,*|*,semisep,*|*,semicolon,*|*,semicolonsep,*) :
 	ac_with_path_style__semic="2048" ;;
-    *) 	ac_with_path_style__semic="0" ;;
+    *)	ac_with_path_style__semic="0" ;;
    esac
    case ",$ac_with_path_style," in
     *,cm,*|*,comma,*|*,commasep,*) :
 	ac_with_path_style__comma="4096" ;;
-    *) 	ac_with_path_style__comma="0" ;;
+    *)	ac_with_path_style__comma="0" ;;
    esac
 
    if test "$ac_with_path_style__unx" != "0" ; then
diff --git a/m4/ax_boost_asio.m4 b/m4/ax_boost_asio.m4
index 6014502..f436e5c 100644
--- a/m4/ax_boost_asio.m4
+++ b/m4/ax_boost_asio.m4
@@ -88,7 +88,7 @@ AC_DEFUN([AX_BOOST_ASIO],
                               $BN-mgw $BN-mgw $BN-mgw-mt $BN-mgw-mt-s $BN-mgw-s ; do
 				    AC_CHECK_LIB($ax_lib, main, [BOOST_ASIO_LIB="-l$ax_lib" AC_SUBST(BOOST_ASIO_LIB) link_thread="yes" break],
                                  [link_thread="no"])
-  				done
+				done
             else
                for ax_lib in $ax_boost_user_asio_lib $BN-$ax_boost_user_asio_lib; do
 				      AC_CHECK_LIB($ax_lib, main,
@@ -106,6 +106,6 @@ AC_DEFUN([AX_BOOST_ASIO],
 		fi
 
 		CPPFLAGS="$CPPFLAGS_SAVED"
-    	LDFLAGS="$LDFLAGS_SAVED"
+	LDFLAGS="$LDFLAGS_SAVED"
 	fi
 ])
diff --git a/m4/ax_boost_date_time.m4 b/m4/ax_boost_date_time.m4
index 577e228..2c77d71 100644
--- a/m4/ax_boost_date_time.m4
+++ b/m4/ax_boost_date_time.m4
@@ -81,14 +81,14 @@ AC_DEFUN([AX_BOOST_DATE_TIME],
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_DATE_TIME_LIB="-l$ax_lib"; AC_SUBST(BOOST_DATE_TIME_LIB) link_date_time="yes"; break],
                                  [link_date_time="no"])
-  				done
+				done
                 if test "x$link_date_time" != "xyes"; then
                 for libextension in `ls $BOOSTLIBDIR/boost_date_time*.{dll,a}* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_date_time.*\)\.dll.*$;\1;' -e 's;^\(boost_date_time.*\)\.a*$;\1;'` ; do
                      ax_lib=${libextension}
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_DATE_TIME_LIB="-l$ax_lib"; AC_SUBST(BOOST_DATE_TIME_LIB) link_date_time="yes"; break],
                                  [link_date_time="no"])
-  				done
+				done
                 fi
 
             else
@@ -108,6 +108,6 @@ AC_DEFUN([AX_BOOST_DATE_TIME],
 		fi
 
 		CPPFLAGS="$CPPFLAGS_SAVED"
-    	LDFLAGS="$LDFLAGS_SAVED"
+	LDFLAGS="$LDFLAGS_SAVED"
 	fi
 ])
diff --git a/m4/ax_boost_filesystem.m4 b/m4/ax_boost_filesystem.m4
index b9fffde..8ae04b7 100644
--- a/m4/ax_boost_filesystem.m4
+++ b/m4/ax_boost_filesystem.m4
@@ -74,7 +74,7 @@ AC_DEFUN([AX_BOOST_FILESYSTEM],
                                    [[using namespace boost::filesystem;
                                    path my_path( "foo/bar/data.txt" );
                                    return 0;]]),
-    					       ax_cv_boost_filesystem=yes, ax_cv_boost_filesystem=no)
+					       ax_cv_boost_filesystem=yes, ax_cv_boost_filesystem=no)
          AC_LANG_POP([C++])
 		])
 		if test "x$ax_cv_boost_filesystem" = "xyes"; then
@@ -86,14 +86,14 @@ AC_DEFUN([AX_BOOST_FILESYSTEM],
 				    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
+				done
                 if test "x$link_program_options" != "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*$;\1;'` ; do
                      ax_lib=${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
+				done
 	            fi
             else
                for ax_lib in $ax_boost_user_filesystem_lib boost_filesystem-$ax_boost_user_filesystem_lib; do
@@ -112,7 +112,7 @@ AC_DEFUN([AX_BOOST_FILESYSTEM],
 		fi
 
 		CPPFLAGS="$CPPFLAGS_SAVED"
-    		LDFLAGS="$LDFLAGS_SAVED"
+		LDFLAGS="$LDFLAGS_SAVED"
 		LIBS="$LIBS_SAVED"
 	fi
 ])
diff --git a/m4/ax_boost_iostreams.m4 b/m4/ax_boost_iostreams.m4
index 807d12f..8bad151 100644
--- a/m4/ax_boost_iostreams.m4
+++ b/m4/ax_boost_iostreams.m4
@@ -68,7 +68,7 @@ AC_DEFUN([AX_BOOST_IOSTREAMS],
 											 @%:@include <boost/range/iterator_range.hpp>
 											]],
                                   [[std::string  input = "Hello World!";
-       								 namespace io = boost::iostreams;
+								 namespace io = boost::iostreams;
 									 io::filtering_istream  in(boost::make_iterator_range(input));
 									 return 0;
                                    ]]),
@@ -84,14 +84,14 @@ AC_DEFUN([AX_BOOST_IOSTREAMS],
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_IOSTREAMS_LIB="-l$ax_lib"; AC_SUBST(BOOST_IOSTREAMS_LIB) link_iostreams="yes"; break],
                                  [link_iostreams="no"])
-  				done
+				done
                 if test "x$link_iostreams" != "xyes"; then
                 for libextension in `ls $BOOSTLIBDIR/boost_iostreams*.{dll,a}* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_iostreams.*\)\.dll.*$;\1;' -e 's;^\(boost_iostreams.*\)\.a*$;\1;'` ; do
                      ax_lib=${libextension}
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_IOSTREAMS_LIB="-l$ax_lib"; AC_SUBST(BOOST_IOSTREAMS_LIB) link_iostreams="yes"; break],
                                  [link_iostreams="no"])
-  				done
+				done
                 fi
 
             else
@@ -111,6 +111,6 @@ AC_DEFUN([AX_BOOST_IOSTREAMS],
 		fi
 
 		CPPFLAGS="$CPPFLAGS_SAVED"
-    	LDFLAGS="$LDFLAGS_SAVED"
+	LDFLAGS="$LDFLAGS_SAVED"
 	fi
 ])
diff --git a/m4/ax_boost_program_options.m4 b/m4/ax_boost_program_options.m4
index 91e51e2..4432e8b 100644
--- a/m4/ax_boost_program_options.m4
+++ b/m4/ax_boost_program_options.m4
@@ -63,12 +63,12 @@ AC_DEFUN([AX_BOOST_PROGRAM_OPTIONS],
 		AC_CACHE_CHECK([whether the Boost::Program_Options library is available],
 					   ax_cv_boost_program_options,
 					   [AC_LANG_PUSH(C++)
- 		                AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <boost/program_options.hpp>
+		                AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <boost/program_options.hpp>
                                                           ]],
                                   [[boost::program_options::options_description generic("Generic options");
                                    return 0;]]),
                            ax_cv_boost_program_options=yes, ax_cv_boost_program_options=no)
-			       		AC_LANG_POP([C++])
+					AC_LANG_POP([C++])
 		])
 		if test "$ax_cv_boost_program_options" = yes; then
 				AC_DEFINE(HAVE_BOOST_PROGRAM_OPTIONS,,[define if the Boost::PROGRAM_OPTIONS library is available])
@@ -79,14 +79,14 @@ AC_DEFUN([AX_BOOST_PROGRAM_OPTIONS],
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_PROGRAM_OPTIONS_LIB="-l$ax_lib"; AC_SUBST(BOOST_PROGRAM_OPTIONS_LIB) link_program_options="yes"; break],
                                  [link_program_options="no"])
-  				done
+				done
                 if test "x$link_program_options" != "xyes"; then
                 for libextension in `ls $BOOSTLIBDIR/boost_program_options*.dll* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_program_options.*\)\.dll.*$;\1;'` `ls $BOOSTLIBDIR/boost_program_options*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_program_options.*\)\.a*$;\1;'` ; do
                      ax_lib=${libextension}
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_PROGRAM_OPTIONS_LIB="-l$ax_lib"; AC_SUBST(BOOST_PROGRAM_OPTIONS_LIB) link_program_options="yes"; break],
                                  [link_program_options="no"])
-  				done
+				done
                 fi
                 else
                   for ax_lib in $ax_boost_user_program_options_lib boost_program_options-$ax_boost_user_program_options_lib; do
@@ -103,6 +103,6 @@ AC_DEFUN([AX_BOOST_PROGRAM_OPTIONS],
 				fi
 		fi
 		CPPFLAGS="$CPPFLAGS_SAVED"
-    	LDFLAGS="$LDFLAGS_SAVED"
+	LDFLAGS="$LDFLAGS_SAVED"
 	fi
 ])
diff --git a/m4/ax_boost_python.m4 b/m4/ax_boost_python.m4
index 2bb75d1..fa7cc98 100644
--- a/m4/ax_boost_python.m4
+++ b/m4/ax_boost_python.m4
@@ -67,8 +67,8 @@ ac_cv_boost_python,
  #include <boost/python/module.hpp>
  using namespace boost::python;
  BOOST_PYTHON_MODULE(test) { throw "Boost::Python test."; }]],
- 			   [[return 0;]]),
-  			   ac_cv_boost_python=yes, ac_cv_boost_python=no)
+			   [[return 0;]]),
+			   ac_cv_boost_python=yes, ac_cv_boost_python=no)
  AC_LANG_RESTORE
  CPPFLAGS=$CPPFLAGS_SAVE
 ])
diff --git a/m4/ax_boost_regex.m4 b/m4/ax_boost_regex.m4
index 29e31e6..2f1170c 100644
--- a/m4/ax_boost_regex.m4
+++ b/m4/ax_boost_regex.m4
@@ -80,14 +80,14 @@ AC_DEFUN([AX_BOOST_REGEX],
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_REGEX_LIB="-l$ax_lib"; AC_SUBST(BOOST_REGEX_LIB) link_regex="yes"; break],
                                  [link_regex="no"])
-  				done
+				done
                 if test "x$link_regex" != "xyes"; then
                 for libextension in `ls $BOOSTLIBDIR/boost_regex*.{dll,a}* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_regex.*\)\.dll.*$;\1;' -e 's;^\(boost_regex.*\)\.a*$;\1;'` ; do
                      ax_lib=${libextension}
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_REGEX_LIB="-l$ax_lib"; AC_SUBST(BOOST_REGEX_LIB) link_regex="yes"; break],
                                  [link_regex="no"])
-  				done
+				done
                 fi
 
             else
@@ -106,6 +106,6 @@ AC_DEFUN([AX_BOOST_REGEX],
 		fi
 
 		CPPFLAGS="$CPPFLAGS_SAVED"
-    	LDFLAGS="$LDFLAGS_SAVED"
+	LDFLAGS="$LDFLAGS_SAVED"
 	fi
 ])
diff --git a/m4/ax_boost_serialization.m4 b/m4/ax_boost_serialization.m4
index 78fe72b..d72089d 100644
--- a/m4/ax_boost_serialization.m4
+++ b/m4/ax_boost_serialization.m4
@@ -85,14 +85,14 @@ AC_DEFUN([AX_BOOST_SERIALIZATION],
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_SERIALIZATION_LIB="-l$ax_lib"; AC_SUBST(BOOST_SERIALIZATION_LIB) link_serialization="yes"; break],
                                  [link_serialization="no"])
-  				done
+				done
                 if test "x$link_serialization" != "xyes"; then
                 for libextension in `ls $BOOSTLIBDIR/boost_serialization*.{dll,a}* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_serialization.*\)\.dll.*$;\1;' -e 's;^\(boost_serialization.*\)\.a*$;\1;'` ; do
                      ax_lib=${libextension}
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_SERIALIZATION_LIB="-l$ax_lib"; AC_SUBST(BOOST_SERIALIZATION_LIB) link_serialization="yes"; break],
                                  [link_serialization="no"])
-  				done
+				done
                 fi
 
             else
@@ -112,6 +112,6 @@ AC_DEFUN([AX_BOOST_SERIALIZATION],
 		fi
 
 		CPPFLAGS="$CPPFLAGS_SAVED"
-    	LDFLAGS="$LDFLAGS_SAVED"
+	LDFLAGS="$LDFLAGS_SAVED"
 	fi
 ])
diff --git a/m4/ax_boost_signals.m4 b/m4/ax_boost_signals.m4
index b845cbc..3c4af73 100644
--- a/m4/ax_boost_signals.m4
+++ b/m4/ax_boost_signals.m4
@@ -82,14 +82,14 @@ AC_DEFUN([AX_BOOST_SIGNALS],
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_SIGNALS_LIB="-l$ax_lib"; AC_SUBST(BOOST_SIGNALS_LIB) link_signals="yes"; break],
                                  [link_signals="no"])
-  				done
+				done
                 if test "x$link_signals" != "xyes"; then
                 for libextension in `ls $BOOSTLIBDIR/boost_signals*.{dll,a}* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_signals.*\)\.dll.*$;\1;' -e 's;^\(boost_signals.*\)\.a*$;\1;'` ; do
                      ax_lib=${libextension}
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_SIGNALS_LIB="-l$ax_lib"; AC_SUBST(BOOST_SIGNALS_LIB) link_signals="yes"; break],
                                  [link_signals="no"])
-  				done
+				done
                 fi
 
             else
@@ -109,6 +109,6 @@ AC_DEFUN([AX_BOOST_SIGNALS],
 		fi
 
 		CPPFLAGS="$CPPFLAGS_SAVED"
-    	LDFLAGS="$LDFLAGS_SAVED"
+	LDFLAGS="$LDFLAGS_SAVED"
 	fi
 ])
diff --git a/m4/ax_boost_system.m4 b/m4/ax_boost_system.m4
index a6b61be..430881c 100644
--- a/m4/ax_boost_system.m4
+++ b/m4/ax_boost_system.m4
@@ -88,14 +88,14 @@ AC_DEFUN([AX_BOOST_SYSTEM],
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_SYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_SYSTEM_LIB) link_system="yes"; break],
                                  [link_system="no"])
-  				done
+				done
                 if test "x$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*$;\1;'` ; do
                      ax_lib=${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
+				done
                 fi
 
             else
@@ -115,6 +115,6 @@ AC_DEFUN([AX_BOOST_SYSTEM],
 		fi
 
 		CPPFLAGS="$CPPFLAGS_SAVED"
-    	LDFLAGS="$LDFLAGS_SAVED"
+	LDFLAGS="$LDFLAGS_SAVED"
 	fi
 ])
diff --git a/m4/ax_boost_test_exec_monitor.m4 b/m4/ax_boost_test_exec_monitor.m4
index 689a438..4a37b29 100644
--- a/m4/ax_boost_test_exec_monitor.m4
+++ b/m4/ax_boost_test_exec_monitor.m4
@@ -75,7 +75,7 @@ AC_DEFUN([AX_BOOST_TEST_EXEC_MONITOR],
             BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'`
 
             if test "x$ax_boost_user_test_exec_monitor_lib" = "x"; then
- 			saved_ldflags="${LDFLAGS}"
+			saved_ldflags="${LDFLAGS}"
 
                 for monitor_library in `ls $BOOSTLIBDIR/libboost_test_exec_monitor*.so* $BOOSTLIBDIR/libboost_test_exec_monitor*.a* 2>/dev/null` ; do
                     if test -r $monitor_library ; then
@@ -98,12 +98,12 @@ AC_DEFUN([AX_BOOST_TEST_EXEC_MONITOR],
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_TEST_EXEC_MONITOR_LIB="-l$ax_lib"; AC_SUBST(BOOST_TEST_EXEC_MONITOR_LIB) link_test_exec_monitor="yes"; break],
                                  [link_test_exec_monitor="no"])
-  				done
+				done
                 fi
 
             else
                 link_test_exec_monitor="no"
- 			saved_ldflags="${LDFLAGS}"
+			saved_ldflags="${LDFLAGS}"
                 for ax_lib in boost_test_exec_monitor-$ax_boost_user_test_exec_monitor_lib $ax_boost_user_test_exec_monitor_lib ; do
                    if test "x$link_test_exec_monitor" = "xyes"; then
                       break;
@@ -134,6 +134,6 @@ AC_DEFUN([AX_BOOST_TEST_EXEC_MONITOR],
 		fi
 
 		CPPFLAGS="$CPPFLAGS_SAVED"
-    	LDFLAGS="$LDFLAGS_SAVED"
+	LDFLAGS="$LDFLAGS_SAVED"
 	fi
 ])
diff --git a/m4/ax_boost_thread.m4 b/m4/ax_boost_thread.m4
index 76ee890..d3bf7e1 100644
--- a/m4/ax_boost_thread.m4
+++ b/m4/ax_boost_thread.m4
@@ -69,7 +69,7 @@ AC_DEFUN([AX_BOOST_THREAD],
 			 CXXFLAGS_SAVE=$CXXFLAGS
 
 			 if test "x$build_os" = "xsolaris" ; then
-  				 CXXFLAGS="-pthreads $CXXFLAGS"
+				 CXXFLAGS="-pthreads $CXXFLAGS"
 			 elif test "x$build_os" = "xming32" ; then
 				 CXXFLAGS="-mthreads $CXXFLAGS"
 			 else
@@ -109,14 +109,14 @@ AC_DEFUN([AX_BOOST_THREAD],
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_THREAD_LIB="-l$ax_lib"; AC_SUBST(BOOST_THREAD_LIB) link_thread="yes"; break],
                                  [link_thread="no"])
-  				done
+				done
                 if test "x$link_thread" != "xyes"; then
                 for libextension in `ls $BOOSTLIBDIR/boost_thread*.dll* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_thread.*\)\.dll.*$;\1;'` `ls $BOOSTLIBDIR/boost_thread*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_thread.*\)\.a*$;\1;'` ; do
                      ax_lib=${libextension}
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_THREAD_LIB="-l$ax_lib"; AC_SUBST(BOOST_THREAD_LIB) link_thread="yes"; break],
                                  [link_thread="no"])
-  				done
+				done
                 fi
 
             else
@@ -144,6 +144,6 @@ AC_DEFUN([AX_BOOST_THREAD],
 		fi
 
 		CPPFLAGS="$CPPFLAGS_SAVED"
-    	LDFLAGS="$LDFLAGS_SAVED"
+	LDFLAGS="$LDFLAGS_SAVED"
 	fi
 ])
diff --git a/m4/ax_boost_unit_test_framework.m4 b/m4/ax_boost_unit_test_framework.m4
index 4ddf244..4ca40cd 100644
--- a/m4/ax_boost_unit_test_framework.m4
+++ b/m4/ax_boost_unit_test_framework.m4
@@ -75,7 +75,7 @@ AC_DEFUN([AX_BOOST_UNIT_TEST_FRAMEWORK],
             BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'`
 
             if test "x$ax_boost_user_unit_test_framework_lib" = "x"; then
- 			saved_ldflags="${LDFLAGS}"
+			saved_ldflags="${LDFLAGS}"
                 for monitor_library in `ls $BOOSTLIBDIR/libboost_unit_test_framework*.so* $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*$;\1;'`
@@ -97,11 +97,11 @@ AC_DEFUN([AX_BOOST_UNIT_TEST_FRAMEWORK],
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_UNIT_TEST_FRAMEWORK_LIB="-l$ax_lib"; AC_SUBST(BOOST_UNIT_TEST_FRAMEWORK_LIB) link_unit_test_framework="yes"; break],
                                  [link_unit_test_framework="no"])
-  				done
+				done
                 fi
             else
                 link_unit_test_framework="no"
- 			saved_ldflags="${LDFLAGS}"
+			saved_ldflags="${LDFLAGS}"
                 for ax_lib in boost_unit_test_framework-$ax_boost_user_unit_test_framework_lib $ax_boost_user_unit_test_framework_lib ; do
                    if test "x$link_unit_test_framework" = "xyes"; then
                       break;
@@ -132,6 +132,6 @@ AC_DEFUN([AX_BOOST_UNIT_TEST_FRAMEWORK],
 		fi
 
 		CPPFLAGS="$CPPFLAGS_SAVED"
-    	LDFLAGS="$LDFLAGS_SAVED"
+	LDFLAGS="$LDFLAGS_SAVED"
 	fi
 ])
diff --git a/m4/ax_boost_wave.m4 b/m4/ax_boost_wave.m4
index 9b4d959..8739e0b 100644
--- a/m4/ax_boost_wave.m4
+++ b/m4/ax_boost_wave.m4
@@ -86,14 +86,14 @@ AC_DEFUN([AX_BOOST_WAVE],
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_WAVE_LIB="-l$ax_lib"; AC_SUBST(BOOST_WAVE_LIB) link_wave="yes"; break],
                                  [link_wave="no"])
-  				done
+				done
                 if test "x$link_wave" != "xyes"; then
                 for libextension in `ls $BOOSTLIBDIR/boost_wave*.{dll,a}* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_wave.*\)\.dll.*$;\1;' -e 's;^\(boost_wave.*\)\.a*$;\1;'` ; do
                      ax_lib=${libextension}
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_WAVE_LIB="-l$ax_lib"; AC_SUBST(BOOST_WAVE_LIB) link_wave="yes"; break],
                                  [link_wave="no"])
-  				done
+				done
                 fi
 
             else
@@ -120,7 +120,7 @@ AC_DEFUN([AX_BOOST_WAVE],
 
 
 		CPPFLAGS="$CPPFLAGS_SAVED"
-   		LDFLAGS="$LDFLAGS_SAVED"
+		LDFLAGS="$LDFLAGS_SAVED"
 		LIBS="$LIBS_SAVED"
 
 	fi
diff --git a/m4/ax_boost_wserialization.m4 b/m4/ax_boost_wserialization.m4
index 60c2b71..6e5dde7 100644
--- a/m4/ax_boost_wserialization.m4
+++ b/m4/ax_boost_wserialization.m4
@@ -84,14 +84,14 @@ AC_DEFUN([AX_BOOST_WSERIALIZATION],
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_WSERIALIZATION_LIB="-l$ax_lib"; AC_SUBST(BOOST_WSERIALIZATION_LIB) link_wserialization="yes"; break],
                                  [link_wserialization="no"])
-  				done
+				done
                 if test "x$link_wserialization" != "xyes"; then
                 for libextension in `ls $BOOSTLIBDIR/boost_wserialization*.{dll,a}* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_wserialization.*\)\.dll.*$;\1;' -e 's;^\(boost_wserialization.*\)\.a*$;\1;'` ; do
                      ax_lib=${libextension}
 				    AC_CHECK_LIB($ax_lib, exit,
                                  [BOOST_WSERIALIZATION_LIB="-l$ax_lib"; AC_SUBST(BOOST_WSERIALIZATION_LIB) link_wserialization="yes"; break],
                                  [link_wserialization="no"])
-  				done
+				done
                 fi
 
             else
@@ -111,6 +111,6 @@ AC_DEFUN([AX_BOOST_WSERIALIZATION],
 		fi
 
 		CPPFLAGS="$CPPFLAGS_SAVED"
-    	LDFLAGS="$LDFLAGS_SAVED"
+	LDFLAGS="$LDFLAGS_SAVED"
 	fi
 ])
diff --git a/m4/ax_cc_maxopt.m4 b/m4/ax_cc_maxopt.m4
index e88d7e0..8ef4324 100644
--- a/m4/ax_cc_maxopt.m4
+++ b/m4/ax_cc_maxopt.m4
@@ -91,7 +91,7 @@ if test "$ac_test_CFLAGS" != "set"; then
            xlc_opt="-qtune=auto"
 	 fi
          AX_CHECK_COMPILER_FLAGS($xlc_opt,
- 		CFLAGS="-O3 -qansialias -w $xlc_opt",
+		CFLAGS="-O3 -qansialias -w $xlc_opt",
                [CFLAGS="-O3 -qansialias -w"
                 echo "******************************************************"
                 echo "*  You seem to have the IBM  C compiler.  It is      *"
diff --git a/m4/ax_cond_with_level.m4 b/m4/ax_cond_with_level.m4
index 1c3c6a4..439fadf 100644
--- a/m4/ax_cond_with_level.m4
+++ b/m4/ax_cond_with_level.m4
@@ -88,24 +88,24 @@ if test "$WITH_VAR" != "no"; then
   case "$WITH_VAR" in
     9|9,*|ultrasome|ultrasome,*|insane)				withval=9
 		VAR_WITHVAL=9 ;  VAR_WITHDEF="-D""VAR_WITH=9" ;;
-    8|8,*|ultra|ultra,*|experimental) 				withval=8
+    8|8,*|ultra|ultra,*|experimental)				withval=8
                 VAR_WITHVAL=8 ;  VAR_WITHDEF="-D""VAR_WITH=8" ;;
     7|7,*|muchmore|somemanymore|somemanymore,*|all)		withval=7
 	        VAR_WITHVAL=7 ;  VAR_WITHDEF="-D""VAR_WITH=7" ;;
-    6|6,*|manymore|manymore,*|most) 				withval=6
+    6|6,*|manymore|manymore,*|most)				withval=6
                 VAR_WITHVAL=6 ;  VAR_WITHDEF="-D""VAR_WITH=6" ;;
-    5|5,*|somemore|somemore,*|almost) 				withval=5
+    5|5,*|somemore|somemore,*|almost)				withval=5
 	        VAR_WITHVAL=5 ;  VAR_WITHDEF="-D""VAR_WITH=5" ;;
-    4|4,*|more|more,*) 						withval=4
+    4|4,*|more|more,*)						withval=4
 		VAR_WITHVAL=4 ;  VAR_WITHDEF="-D""VAR_WITH=4" ;;
     3|3,*|much|somemany,*)					withval=3
 		VAR_WITHVAL=3 ;  VAR_WITHDEF="-D""VAR_WITH=3" ;;
-    2|2,*|many|many,*) 						withval=2
+    2|2,*|many|many,*)						withval=2
 		VAR_WITHVAL=2 ;  VAR_WITHDEF="-D""VAR_WITH=2" ;;
-    1|1,*|some|some,*) 						withval=1
+    1|1,*|some|some,*)						withval=1
 		VAR_WITHVAL=1 ;  VAR_WITHDEF="-D""VAR_WITH=1" ;;
-      *) 							withval=-
- 	       AC_MSG_ERROR([dnl
+      *)							withval=-
+	       AC_MSG_ERROR([dnl
  bad value of --with-$1 option, choose a number or some|many|more|all... ])
   esac
 else								withval=0
@@ -142,24 +142,24 @@ if test "$WITH_VAR" != "no"; then
   case "$WITH_VAR" in
     9|9,*|ultrasome|ultrasome,*|insane)				withval=9
 		VAR_WITHVAL=9 ;  VAR_WITHDEF="-D""VAR_WITH=9" ;;
-    8|8,*|ultra|ultra,*|experimental) 				withval=8
+    8|8,*|ultra|ultra,*|experimental)				withval=8
                 VAR_WITHVAL=8 ;  VAR_WITHDEF="-D""VAR_WITH=8" ;;
     7|7,*|muchmore|somemanymore|somemanymore,*|all)		withval=7
 	        VAR_WITHVAL=7 ;  VAR_WITHDEF="-D""VAR_WITH=7" ;;
-    6|6,*|manymore|manymore,*|most) 				withval=6
+    6|6,*|manymore|manymore,*|most)				withval=6
                 VAR_WITHVAL=6 ;  VAR_WITHDEF="-D""VAR_WITH=6" ;;
-    5|5,*|somemore|somemore,*|almost) 				withval=5
+    5|5,*|somemore|somemore,*|almost)				withval=5
 	        VAR_WITHVAL=5 ;  VAR_WITHDEF="-D""VAR_WITH=5" ;;
-    4|4,*|more|more,*) 						withval=4
+    4|4,*|more|more,*)						withval=4
 		VAR_WITHVAL=4 ;  VAR_WITHDEF="-D""VAR_WITH=4" ;;
     3|3,*|much|somemany,*)					withval=3
 		VAR_WITHVAL=3 ;  VAR_WITHDEF="-D""VAR_WITH=3" ;;
-    2|2,*|many|many,*) 						withval=2
+    2|2,*|many|many,*)						withval=2
 		VAR_WITHVAL=2 ;  VAR_WITHDEF="-D""VAR_WITH=2" ;;
-    1|1,*|some|some,*) 						withval=1
+    1|1,*|some|some,*)						withval=1
 		VAR_WITHVAL=1 ;  VAR_WITHDEF="-D""VAR_WITH=1" ;;
-      *) 							withval=-
- 	       AC_MSG_ERROR([dnl
+      *)							withval=-
+	       AC_MSG_ERROR([dnl
  bad value of --with-$1 option, choose a number or some|many|more|all... ])
   esac
 dnl -- the additional line is here --
diff --git a/m4/ax_cvs.m4 b/m4/ax_cvs.m4
index 0278dc0..f1d662d 100644
--- a/m4/ax_cvs.m4
+++ b/m4/ax_cvs.m4
@@ -101,9 +101,9 @@ fi
 AC_ARG_ENABLE(cvs-support,
 	      AS_HELP_STRING(--enable-cvs-support[=ARG],
 			     [enable cvs support.  Used by the $PACKAGE developers.
-		  	      ARG can be "yes" or "no".  If the CVSROOT is found,
+			      ARG can be "yes" or "no".  If the CVSROOT is found,
 			      then the default is yes,
-		  	      otherwise the default is no.]),
+			      otherwise the default is no.]),
 	      AX_USING_CVS=$enableval )
 
 if test "x$AX_USING_CVS" != "xno"; then
@@ -160,7 +160,7 @@ if test "x$AX_USING_CVS" != "xno"; then
     AC_MSG_CHECKING([CVSROOT])
     if test -e "$srcdir/CVS/Root"; then
         CVSROOT=`cat $srcdir/CVS/Root`;
-    	AC_MSG_RESULT([$CVSROOT])
+	AC_MSG_RESULT([$CVSROOT])
     else
 	AC_MSG_RESULT([not found])
         if test "x$AX_USING_CVS" = "x"; then
diff --git a/m4/ax_dist_msi.m4 b/m4/ax_dist_msi.m4
index 1982e12..e149516 100644
--- a/m4/ax_dist_msi.m4
+++ b/m4/ax_dist_msi.m4
@@ -42,10 +42,10 @@ if test "x$MSI_SETUP_FILE" != "x"; then
                                   "yes" or "no".  The default is "yes"]),
 		  if test "x$enableval" != "x"; then
 		      if test "x$enableval" = "xyes"; then
-		     	  USING_DIST_MSI=true
+			  USING_DIST_MSI=true
 		          AC_MSG_NOTICE([dist-msi support enabled])
 		      elif test "x$enableval" = "xno"; then
-		     	  USING_DIST_MSI=false
+			  USING_DIST_MSI=false
 		          AC_MSG_NOTICE([dist-msi support disabled])
 		      fi
                   fi,
diff --git a/m4/ax_dist_rpm.m4 b/m4/ax_dist_rpm.m4
index e2a07d2..fb03ef6 100644
--- a/m4/ax_dist_rpm.m4
+++ b/m4/ax_dist_rpm.m4
@@ -79,15 +79,15 @@ if test "x$AX_HAVE_INSTALL_FILES" = "xtrue"; then
 	AC_CONFIG_FILES([$1])
 	AC_ARG_VAR(EDITOR, [default text editor])
 	if test "x$EDITOR" = "x"; then
-   	    AC_CHECK_PROGS(EDITOR,[vim vi emacs])
+	    AC_CHECK_PROGS(EDITOR,[vim vi emacs])
 	fi
 	AC_ARG_VAR(RPM, [rpm executable to use])
 	if test "x$RPM" = "x"; then
-   	    AC_CHECK_PROGS(RPM,[rpmbuild rpm echo])
+	    AC_CHECK_PROGS(RPM,[rpmbuild rpm echo])
 	fi
 	if test "x$RPM" != "x"; then
 	    AC_ARG_VAR(PLATFORM_SUFFIX, [A short name for your platform that will be added to the name of the binary RPMs you may choose to create (by running make rpm).  e.g. rh71 for RedHat 7.1, lsb1.3 for a LSB 1.3 compliant system (SuSE 8.2 or RedHat 9), osx103 for OS X 10.3.x, etc])
-     	    AC_MSG_CHECKING([rpm platform suffix])
+	    AC_MSG_CHECKING([rpm platform suffix])
             if test "x$PLATFORM_SUFFIX" != "x"; then
 	        AC_MSG_RESULT([$PLATFORM_SUFFIX])
 	        AC_SUBST([PLATFORM_SUFFIX])
@@ -97,7 +97,7 @@ if test "x$AX_HAVE_INSTALL_FILES" = "xtrue"; then
 	        AC_MSG_WARN([rpm support disabled... PLATFORM_SUFFIX not set])
 	    fi
         else
-    	    AC_MSG_NOTICE([rpm support disabled... neither rpmbuild or rpm was found])
+	    AC_MSG_NOTICE([rpm support disabled... neither rpmbuild or rpm was found])
 	fi
     else
         AC_MSG_RESULT([not found])
@@ -122,7 +122,7 @@ AX_DIST_RPM_CLEANFILES = \$(top_builddir)/RPMChangeLog \$(AX_INSTALL_FILES_CLEAN
                     if( stop ) exit; \\
 		    split( \$${AX_DOLLAR}1, date, \"-\" ); \\
 		    \$${AX_DOLLAR}1 = strftime( \"%%a %%b %%d %%Y\", \\
-		       	            mktime( date[ 1 ] \" \" date[ 2 ] \" \" date [ 3 ] \" 00 00 00\" ) ); \\
+			            mktime( date[ 1 ] \" \" date[ 2 ] \" \" date [ 3 ] \" 00 00 00\" ) ); \\
                     print \"* \" \$${AX_DOLLAR}0; } \\
 	        /Released \$(PACKAGE)-/ { \\
 		    gsub( /\$(PACKAGE)-/, \"\", \$${AX_DOLLAR}2 ); \\
@@ -199,11 +199,11 @@ create-rpmmacros:
 	    echo \"%%_specdir       %%{_rpmtopdir}SPECS/\" >> ~/.rpmmacros; \\
 	    echo \"%%_srcrpmdir     %%{_rpmtopdir}SRPMS/\" >> ~/.rpmmacros; \\
 	    if test \"x$EDITOR\" = "x"; then \\
-	    	echo \"Error: no editor specified or found.\"; \\
-	    	echo \"Please edit ~/.rpmmacros manually\"; \\
+		echo \"Error: no editor specified or found.\"; \\
+		echo \"Please edit ~/.rpmmacros manually\"; \\
 	    else \\
-	    	$EDITOR ~/.rpmmacros; \\
-	    	exit \$\$?; \\
+		$EDITOR ~/.rpmmacros; \\
+		exit \$\$?; \\
 	    fi \\
 	fi
 
diff --git a/m4/ax_gcc_option.m4 b/m4/ax_gcc_option.m4
index 3a337b2..302209a 100644
--- a/m4/ax_gcc_option.m4
+++ b/m4/ax_gcc_option.m4
@@ -116,11 +116,11 @@ EOF
     AC_TRY_COMMAND(cat conftest.c 1>&AS_MESSAGE_LOG_FD)
 
     AS_IF([ AC_TRY_COMMAND($CC $2 $1 -c conftest.c 1>&AS_MESSAGE_LOG_FD) ],[
-   	        AC_MSG_RESULT([yes])
-    	$4
+	        AC_MSG_RESULT([yes])
+	$4
     ],[
-   		AC_MSG_RESULT([no])
-    	$5
+		AC_MSG_RESULT([no])
+	$5
     ])
   ],[
     AC_MSG_RESULT([no gcc available])
diff --git a/m4/ax_lib_gcrypt.m4 b/m4/ax_lib_gcrypt.m4
index 76cf1fb..c1d96ad 100644
--- a/m4/ax_lib_gcrypt.m4
+++ b/m4/ax_lib_gcrypt.m4
@@ -101,7 +101,7 @@ AC_DEFUN([AX_LIB_GCRYPT],[
     ],[
       # complain only if explicitely required
       if test "$ac_with_gcrypt" = "yes" ; then
-      	AC_MSG_ERROR([cannot configure required gcrypt library])
+	AC_MSG_ERROR([cannot configure required gcrypt library])
       fi
     ])
   fi
diff --git a/m4/ax_llvm.m4 b/m4/ax_llvm.m4
index 55ccd52..531cb5e 100644
--- a/m4/ax_llvm.m4
+++ b/m4/ax_llvm.m4
@@ -77,7 +77,7 @@ AC_ARG_WITH([llvm],
 			fi
 
 			CPPFLAGS="$CPPFLAGS_SAVED"
-	    	LDFLAGS="$LDFLAGS_SAVED"
+		LDFLAGS="$LDFLAGS_SAVED"
 		else
 			succeeded=no
 		fi
diff --git a/m4/ax_prog_cc_char_subscripts.m4 b/m4/ax_prog_cc_char_subscripts.m4
index 40f8dfa..f424830 100644
--- a/m4/ax_prog_cc_char_subscripts.m4
+++ b/m4/ax_prog_cc_char_subscripts.m4
@@ -71,15 +71,15 @@ EOF
   dnl GCC
   if test "$GCC" = "yes";
   then
-      	if test -z "$hard"; then
-      	   CV="-funsigned-char -Wno-char-subscripts"
-    	else
-      	   CV="-funsigned-char -Wno-char-subscripts"
-    	fi
+	if test -z "$hard"; then
+	   CV="-funsigned-char -Wno-char-subscripts"
+	else
+	   CV="-funsigned-char -Wno-char-subscripts"
+	fi
 
-    	if test -n "`${CC-cc} -c $CV conftest.c 2>&1`" ; then
+	if test -n "`${CC-cc} -c $CV conftest.c 2>&1`" ; then
            CV="suppressed: did not work"
-    	fi
+	fi
 
   dnl Solaris C compiler
 	# Solaris sunpro has no option for unsignedchar but
@@ -96,9 +96,9 @@ EOF
 	CV="-unsigned"
 
 	rm conftest.o
-    	if test -n "`${CC-cc} -c $CV conftest.c 2>&1`" ; then
+	if test -n "`${CC-cc} -c $CV conftest.c 2>&1`" ; then
            CV="suppressed: did not work"
-    	fi
+	fi
 
   dnl C for AIX Compiler
 
diff --git a/m4/ax_python_devel.m4 b/m4/ax_python_devel.m4
index c4ed314..5441161 100644
--- a/m4/ax_python_devel.m4
+++ b/m4/ax_python_devel.m4
@@ -119,7 +119,7 @@ to something else than an empty string.
 			ver = sys.version.split ()[[0]]; \
 			print (ver $1)"`
 		if test "$ac_supports_python_ver" = "True"; then
-	   	   AC_MSG_RESULT([yes])
+		   AC_MSG_RESULT([yes])
 		else
 			AC_MSG_RESULT([no])
 			AC_MSG_ERROR([this package requires Python $1.
@@ -152,9 +152,9 @@ $ac_distutils_result])
 	AC_MSG_CHECKING([for Python include path])
 	if test -z "$PYTHON_CPPFLAGS"; then
 		python_path=`$PYTHON -c "import distutils.sysconfig; \
-   			print (distutils.sysconfig.get_python_inc ());"`
+			print (distutils.sysconfig.get_python_inc ());"`
 		if test -n "${python_path}"; then
-		   	python_path="-I$python_path"
+			python_path="-I$python_path"
 		fi
 		PYTHON_CPPFLAGS=$python_path
 	fi