replace TAB SP{8} by TAB TAB, repeatedly

17 files changed, 61 insertions, 61 deletions

diff --git a/m4/ax_boost_filesystem.m4 b/m4/ax_boost_filesystem.m4
index 8ae04b7..10b509e 100644
--- a/m4/ax_boost_filesystem.m4
+++ b/m4/ax_boost_filesystem.m4
@@ -94,7 +94,7 @@ AC_DEFUN([AX_BOOST_FILESYSTEM],
                                  [BOOST_FILESYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_FILESYSTEM_LIB) link_filesystem="yes"; break],
                                  [link_filesystem="no"])
 				done
-	            fi
+		    fi
             else
                for ax_lib in $ax_boost_user_filesystem_lib boost_filesystem-$ax_boost_user_filesystem_lib; do
 				      AC_CHECK_LIB($ax_lib, exit,
diff --git a/m4/ax_boost_program_options.m4 b/m4/ax_boost_program_options.m4
index 4432e8b..ddbfae0 100644
--- a/m4/ax_boost_program_options.m4
+++ b/m4/ax_boost_program_options.m4
@@ -63,7 +63,7 @@ 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;]]),
diff --git a/m4/ax_boost_test_exec_monitor.m4 b/m4/ax_boost_test_exec_monitor.m4
index 4a37b29..e0cd9f1 100644
--- a/m4/ax_boost_test_exec_monitor.m4
+++ b/m4/ax_boost_test_exec_monitor.m4
@@ -117,7 +117,7 @@ AC_DEFUN([AX_BOOST_TEST_EXEC_MONITOR],
                        link_test_exec_monitor="no"
                     fi
 
-			        if test "x$link_test_exec_monitor" = "xyes"; then
+				if test "x$link_test_exec_monitor" = "xyes"; then
                         BOOST_TEST_EXEC_MONITOR_LIB="-l$ax_lib"
                         AC_SUBST(BOOST_TEST_EXEC_MONITOR_LIB)
 					    break
diff --git a/m4/ax_boost_thread.m4 b/m4/ax_boost_thread.m4
index d3bf7e1..49f6287 100644
--- a/m4/ax_boost_thread.m4
+++ b/m4/ax_boost_thread.m4
@@ -135,7 +135,7 @@ AC_DEFUN([AX_BOOST_THREAD],
                         else
                            case "x$build_os" in
                               *bsd* )
-			        BOOST_LDFLAGS="-pthread $BOOST_LDFLAGS"
+				BOOST_LDFLAGS="-pthread $BOOST_LDFLAGS"
                               break;
                               ;;
                            esac
diff --git a/m4/ax_boost_unit_test_framework.m4 b/m4/ax_boost_unit_test_framework.m4
index 4ca40cd..fa3e06d 100644
--- a/m4/ax_boost_unit_test_framework.m4
+++ b/m4/ax_boost_unit_test_framework.m4
@@ -66,7 +66,7 @@ AC_DEFUN([AX_BOOST_UNIT_TEST_FRAMEWORK],
         [AC_LANG_PUSH([C++])
 			 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <boost/test/unit_test.hpp>]],
                                     [[using boost::unit_test::test_suite;
-					                 test_suite* test= BOOST_TEST_SUITE( "Unit test example 1" ); return 0;]]),
+							 test_suite* test= BOOST_TEST_SUITE( "Unit test example 1" ); return 0;]]),
                    ax_cv_boost_unit_test_framework=yes, ax_cv_boost_unit_test_framework=no)
          AC_LANG_POP([C++])
 		])
@@ -115,7 +115,7 @@ AC_DEFUN([AX_BOOST_UNIT_TEST_FRAMEWORK],
                        link_unit_test_framework="no"
                     fi
 
-			        if test "x$link_unit_test_framework" = "xyes"; then
+				if test "x$link_unit_test_framework" = "xyes"; then
                         BOOST_UNIT_TEST_FRAMEWORK_LIB="-l$ax_lib"
                         AC_SUBST(BOOST_UNIT_TEST_FRAMEWORK_LIB)
 					    break
diff --git a/m4/ax_c_ifdef.m4 b/m4/ax_c_ifdef.m4
index 7c6233f..9dd5b06 100644
--- a/m4/ax_c_ifdef.m4
+++ b/m4/ax_c_ifdef.m4
@@ -31,7 +31,7 @@ AC_DEFUN([AX_C_IFDEF],
   [AC_COMPILE_IFELSE([#ifndef $1
                       # error "Macro $1 is undefined!"
 		      /* For some compilers (eg. SGI's CC), #error is not
-		         enough...  */
+			 enough...  */
 		      please, do fail
 		      #endif],
 		     [$2], [$3])])
diff --git a/m4/ax_cond_with_level.m4 b/m4/ax_cond_with_level.m4
index 439fadf..e53d2be 100644
--- a/m4/ax_cond_with_level.m4
+++ b/m4/ax_cond_with_level.m4
@@ -91,11 +91,11 @@ if test "$WITH_VAR" != "no"; then
     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" ;;
+		VAR_WITHVAL=7 ;  VAR_WITHDEF="-D""VAR_WITH=7" ;;
     6|6,*|manymore|manymore,*|most)				withval=6
                 VAR_WITHVAL=6 ;  VAR_WITHDEF="-D""VAR_WITH=6" ;;
     5|5,*|somemore|somemore,*|almost)				withval=5
-	        VAR_WITHVAL=5 ;  VAR_WITHDEF="-D""VAR_WITH=5" ;;
+		VAR_WITHVAL=5 ;  VAR_WITHDEF="-D""VAR_WITH=5" ;;
     4|4,*|more|more,*)						withval=4
 		VAR_WITHVAL=4 ;  VAR_WITHDEF="-D""VAR_WITH=4" ;;
     3|3,*|much|somemany,*)					withval=3
@@ -145,11 +145,11 @@ if test "$WITH_VAR" != "no"; then
     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" ;;
+		VAR_WITHVAL=7 ;  VAR_WITHDEF="-D""VAR_WITH=7" ;;
     6|6,*|manymore|manymore,*|most)				withval=6
                 VAR_WITHVAL=6 ;  VAR_WITHDEF="-D""VAR_WITH=6" ;;
     5|5,*|somemore|somemore,*|almost)				withval=5
-	        VAR_WITHVAL=5 ;  VAR_WITHDEF="-D""VAR_WITH=5" ;;
+		VAR_WITHVAL=5 ;  VAR_WITHDEF="-D""VAR_WITH=5" ;;
     4|4,*|more|more,*)						withval=4
 		VAR_WITHVAL=4 ;  VAR_WITHDEF="-D""VAR_WITH=4" ;;
     3|3,*|much|somemany,*)					withval=3
diff --git a/m4/ax_cvs.m4 b/m4/ax_cvs.m4
index f1d662d..feb85c6 100644
--- a/m4/ax_cvs.m4
+++ b/m4/ax_cvs.m4
@@ -276,7 +276,7 @@ ${AX_DOLLAR}(top_builddir)/commitlog: cvsalways
 	/^cvs diff: .* is a new entry/ { print \"\\\\t* ./\" ${AX_DOLLAR}${AX_DOLLAR}3 \" (added)\"; }\' \\
 	> \"${AX_DOLLAR}${AX_DOLLAR}CURR/commitlog.tmp\")
 	@if test -s commitlog.tmp; then \\
-	        echo \"\" >> commitlog.tmp; \\
+		echo \"\" >> commitlog.tmp; \\
 		if test -f ${AX_DOLLAR}(top_builddir)/commitlog; then \\
 			cat ${AX_DOLLAR}(top_builddir)/commitlog >> commitlog.tmp; \\
 		fi; \\
@@ -313,17 +313,17 @@ cvs-rm:
 	    NEWFILES=\"\"; \\
 	    for FILE in \$(FILES); do \\
 		if test -e \"${AX_DOLLAR}${AX_DOLLAR}FILE\"; then \\
-	            rm -i \"${AX_DOLLAR}${AX_DOLLAR}FILE\"; \\
-	        fi; \\
-	        if test ! -e \"${AX_DOLLAR}${AX_DOLLAR}FILE\"; then \\
-	            if test \"\$(srcdir)\" != \".\"; then \\
-	                FILE=\`echo \"${AX_DOLLAR}${AX_DOLLAR}FILE\" | \$(SED) -e \'s|^\$(srcdir)|.|\'\`; \\
-	            fi; \\
-	            NEWFILES=\"${AX_DOLLAR}${AX_DOLLAR}NEWFILES ${AX_DOLLAR}${AX_DOLLAR}FILE\"; \\
-	        fi; \\
+		    rm -i \"${AX_DOLLAR}${AX_DOLLAR}FILE\"; \\
+		fi; \\
+		if test ! -e \"${AX_DOLLAR}${AX_DOLLAR}FILE\"; then \\
+		    if test \"\$(srcdir)\" != \".\"; then \\
+			FILE=\`echo \"${AX_DOLLAR}${AX_DOLLAR}FILE\" | \$(SED) -e \'s|^\$(srcdir)|.|\'\`; \\
+		    fi; \\
+		    NEWFILES=\"${AX_DOLLAR}${AX_DOLLAR}NEWFILES ${AX_DOLLAR}${AX_DOLLAR}FILE\"; \\
+		fi; \\
 	    done; \\
 	    if test \"x${AX_DOLLAR}${AX_DOLLAR}NEWFILES\" != \"x\"; then \\
-	        (cd \"\$(srddir)\"; \$(CVS) remove ${AX_DOLLAR}${AX_DOLLAR}NEWFILES; ); \\
+		(cd \"\$(srddir)\"; \$(CVS) remove ${AX_DOLLAR}${AX_DOLLAR}NEWFILES; ); \\
 	    fi; \\
 	else \\
 	    echo \"You must specify the file(s) you want to remove from cvs by using\"; \\
@@ -339,14 +339,14 @@ cvs-add:
 	    NEWFILES=\"\"; \\
 	    for FILE in ${AX_DOLLAR}(FILES); do \\
 		if test -e \"${AX_DOLLAR}${AX_DOLLAR}FILE\"; then \\
-	            if test \"${AX_DOLLAR}(srcdir)\" != \".\"; then \\
-	                FILE=\`echo \"${AX_DOLLAR}${AX_DOLLAR}FILE\" | sed -e \'s|^${AX_DOLLAR}(srcdir)|.|\'\`; \\
-	            fi; \\
+		    if test \"${AX_DOLLAR}(srcdir)\" != \".\"; then \\
+			FILE=\`echo \"${AX_DOLLAR}${AX_DOLLAR}FILE\" | sed -e \'s|^${AX_DOLLAR}(srcdir)|.|\'\`; \\
+		    fi; \\
 		fi; \\
-	        NEWFILES=\"${AX_DOLLAR}${AX_DOLLAR}NEWFILES ${AX_DOLLAR}${AX_DOLLAR}FILE\"; \\
+		NEWFILES=\"${AX_DOLLAR}${AX_DOLLAR}NEWFILES ${AX_DOLLAR}${AX_DOLLAR}FILE\"; \\
 	    done; \\
 	    if test \"x${AX_DOLLAR}${AX_DOLLAR}NEWFILES\" != \"x\"; then \\
-	        cd \"${AX_DOLLAR}(srcdir)\"; \$(CVS) add ${AX_DOLLAR}${AX_DOLLAR}NEWFILES; \\
+		cd \"${AX_DOLLAR}(srcdir)\"; \$(CVS) add ${AX_DOLLAR}${AX_DOLLAR}NEWFILES; \\
 	    fi; \\
 	else \\
 	    echo \"You must specify the file(s) you want to add to cvs by using\"; \\
diff --git a/m4/ax_dist_msi.m4 b/m4/ax_dist_msi.m4
index e149516..8cfc5bf 100644
--- a/m4/ax_dist_msi.m4
+++ b/m4/ax_dist_msi.m4
@@ -43,10 +43,10 @@ if test "x$MSI_SETUP_FILE" != "x"; then
 		  if test "x$enableval" != "x"; then
 		      if test "x$enableval" = "xyes"; then
 			  USING_DIST_MSI=true
-		          AC_MSG_NOTICE([dist-msi support enabled])
+			  AC_MSG_NOTICE([dist-msi support enabled])
 		      elif test "x$enableval" = "xno"; then
 			  USING_DIST_MSI=false
-		          AC_MSG_NOTICE([dist-msi support disabled])
+			  AC_MSG_NOTICE([dist-msi support disabled])
 		      fi
                   fi,
 		  USING_DIST_MSI=true
diff --git a/m4/ax_dist_rpm.m4 b/m4/ax_dist_rpm.m4
index fb03ef6..bc2a8d6 100644
--- a/m4/ax_dist_rpm.m4
+++ b/m4/ax_dist_rpm.m4
@@ -89,12 +89,12 @@ if test "x$AX_HAVE_INSTALL_FILES" = "xtrue"; then
 	    AC_ARG_VAR(PLATFORM_SUFFIX, [A short name for your platform that will be added to the name of the binary RPMs you may choose to create (by running make rpm).  e.g. rh71 for RedHat 7.1, lsb1.3 for a LSB 1.3 compliant system (SuSE 8.2 or RedHat 9), osx103 for OS X 10.3.x, etc])
 	    AC_MSG_CHECKING([rpm platform suffix])
             if test "x$PLATFORM_SUFFIX" != "x"; then
-	        AC_MSG_RESULT([$PLATFORM_SUFFIX])
-	        AC_SUBST([PLATFORM_SUFFIX])
+		AC_MSG_RESULT([$PLATFORM_SUFFIX])
+		AC_SUBST([PLATFORM_SUFFIX])
 		ax_dist_rpm_enabled=true
             else
-	        AC_MSG_RESULT([$PLATFORM_SUFFIX])
-	        AC_MSG_WARN([rpm support disabled... PLATFORM_SUFFIX not set])
+		AC_MSG_RESULT([$PLATFORM_SUFFIX])
+		AC_MSG_WARN([rpm support disabled... PLATFORM_SUFFIX not set])
 	    fi
         else
 	    AC_MSG_NOTICE([rpm support disabled... neither rpmbuild or rpm was found])
@@ -122,9 +122,9 @@ 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)-/ { \\
+		/Released \$(PACKAGE)-/ { \\
 		    gsub( /\$(PACKAGE)-/, \"\", \$${AX_DOLLAR}2 ); \\
 		    split( \$${AX_DOLLAR}2, ver, \".\" ); \\
 		    split( \"\$(VERSION)\", curr_ver, \".\" ); \\
@@ -239,14 +239,14 @@ srpm: \$(PACKAGE)-\$(VERSION)-0.src.rpm
 	done; \\
 	if test -d \"\$\$RPMDIR\"; then \\
 	    for dir in \`ls \"\$\$RPMDIR\"\`; do \\
-	        ls \"\$\${RPMDIR}\$\${dir}/\$(PACKAGE)-\$(VERSION)-0.\$\${dir}.rpm\" > /dev/null 2>&1; \\
+		ls \"\$\${RPMDIR}\$\${dir}/\$(PACKAGE)-\$(VERSION)-0.\$\${dir}.rpm\" > /dev/null 2>&1; \\
 		if test \"\$${AX_DOLLAR}?\" == \"0\"; then \\
 		    cp \"\$\${RPMDIR}\$\${dir}/\$(PACKAGE)-\$(VERSION)-0.\$\${dir}.rpm\" \"\$(top_builddir)/\$(PACKAGE)-\$(VERSION)-0.\$\${dir}.$PLATFORM_SUFFIX.rpm\"; \\
 		    found=true; \\
 		fi; \\
 	    done; \\
 	    if ! \$\$found; then \\
-	        echo \"RPM built but not found.\"; \\
+		echo \"RPM built but not found.\"; \\
 		echo \"Please copy it to \$(top_builddir) manually.\"; \\
 		exit 1; \\
 	    fi; \\
@@ -269,7 +269,7 @@ srpm: \$(PACKAGE)-\$(VERSION)-0.src.rpm
 	EXIT=${AX_DOLLAR}${AX_DOLLAR}?; \\
 	while test \"${AX_DOLLAR}${AX_DOLLAR}EXIT\" == \"0\"; do \\
 	    SRPMDIR=\`echo \"${AX_DOLLAR}${AX_DOLLAR}SRPMDIR\" | \$(GAWK) '/%%{.*}/ \\
-	        { match( ${AX_DOLLAR}${AX_DOLLAR}0, /%%{.*}/, macro ); \\
+		{ match( ${AX_DOLLAR}${AX_DOLLAR}0, /%%{.*}/, macro ); \\
 		  suffix = substr( ${AX_DOLLAR}${AX_DOLLAR}0, RSTART + RLENGTH ); \\
 		  gsub( /{|}/, \"\", macro[ 0 ] ); \\
 		  while( ( getline < \"rpmmacros\" ) > 0 ) \\
@@ -290,7 +290,7 @@ srpm: \$(PACKAGE)-\$(VERSION)-0.src.rpm
 		found=true; \\
 	    fi; \\
 	    if ! ${AX_DOLLAR}${AX_DOLLAR}found; then \\
-	        echo \"SRPM built but not found.\"; \\
+		echo \"SRPM built but not found.\"; \\
 		echo \"Please copy it to ${AX_DOLLAR}(top_builddir) manually.\"; \\
 		exit 1; \\
 	    fi; \\
diff --git a/m4/ax_gcc_option.m4 b/m4/ax_gcc_option.m4
index 302209a..d2936f7 100644
--- a/m4/ax_gcc_option.m4
+++ b/m4/ax_gcc_option.m4
@@ -116,7 +116,7 @@ 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])
+		AC_MSG_RESULT([yes])
 	$4
     ],[
 		AC_MSG_RESULT([no])
diff --git a/m4/ax_install_files.m4 b/m4/ax_install_files.m4
index 480be2f..26282b5 100644
--- a/m4/ax_install_files.m4
+++ b/m4/ax_install_files.m4
@@ -54,13 +54,13 @@ AX_INSTALL_FILES_CLEANFILES = \\
 	cd \"\$\$STAGING\" && find "." ! -type d -print | \\
 	\$(GAWK) ' \\
 	    /^\\.\\/usr\\/local\\/lib/ { \\
-	        sub( /\\.\\/usr\\/local\\/lib/, \"%%{_libdir}\" ); } \\
+		sub( /\\.\\/usr\\/local\\/lib/, \"%%{_libdir}\" ); } \\
 	    /^\\.\\/usr\\/local\\/bin/ { \\
-	        sub( /\\.\\/usr\\/local\\/bin/, \"%%{_bindir}\" ); } \\
+		sub( /\\.\\/usr\\/local\\/bin/, \"%%{_bindir}\" ); } \\
 	    /^\\.\\/usr\\/local\\/include/ { \\
 		sub( /\\.\\/usr\\/local\\/include/, \"%%{_includedir}\" ); } \\
 	    /^\\.\\/usr\\/local\\/share/ { \\
-	        sub( /\\.\\/usr\\/local\\/share/, \"%%{_datadir}\" ); } \\
+		sub( /\\.\\/usr\\/local\\/share/, \"%%{_datadir}\" ); } \\
 	    /^\\.\\/usr\\/local/ { \\
 		sub( /\\.\\/usr\\/local/, \"%%{_prefix}\" ); } \\
 	    /^\\./ { sub( /\\./, \"\" ); } \\
diff --git a/m4/ax_llvm.m4 b/m4/ax_llvm.m4
index 531cb5e..72cd407 100644
--- a/m4/ax_llvm.m4
+++ b/m4/ax_llvm.m4
@@ -64,12 +64,12 @@ AC_ARG_WITH([llvm],
 
 			AC_CACHE_CHECK(can compile with and link with llvm([$1]),
 						   ax_cv_llvm,
-	        [AC_LANG_PUSH([C++])
+		[AC_LANG_PUSH([C++])
 				 AC_LINK_IFELSE(AC_LANG_PROGRAM([[@%:@include <llvm/Module.h>
 													]],
-	                                   [[llvm::Module *M = new llvm::Module("test"); return 0;]]),
-	                   ax_cv_llvm=yes, ax_cv_llvm=no)
-	         AC_LANG_POP([C++])
+					   [[llvm::Module *M = new llvm::Module("test"); return 0;]]),
+			   ax_cv_llvm=yes, ax_cv_llvm=no)
+		 AC_LANG_POP([C++])
 			])
 
 			if test "x$ax_cv_llvm" = "xyes"; then
diff --git a/m4/ax_pthread.m4 b/m4/ax_pthread.m4
index 164391e..3b19a63 100644
--- a/m4/ax_pthread.m4
+++ b/m4/ax_pthread.m4
@@ -199,8 +199,8 @@ for flag in $ax_pthread_flags; do
         # functions on Solaris that doesn't have a non-functional libc stub.
         # We try pthread_create on general principles.
         AC_TRY_LINK([#include <pthread.h>
-	             static void routine(void* a) {a=0;}
-	             static void* start_routine(void* a) {return a;}],
+		     static void routine(void* a) {a=0;}
+		     static void* start_routine(void* a) {return a;}],
                     [pthread_t th; pthread_attr_t attr;
                      pthread_create(&th,0,start_routine,0);
                      pthread_join(th, 0);
diff --git a/m4/ax_python_devel.m4 b/m4/ax_python_devel.m4
index 5441161..b3b0084 100644
--- a/m4/ax_python_devel.m4
+++ b/m4/ax_python_devel.m4
@@ -254,7 +254,7 @@ EOD`
 	AC_MSG_CHECKING([for Python site-packages path])
 	if test -z "$PYTHON_SITE_PKG"; then
 		PYTHON_SITE_PKG=`$PYTHON -c "import distutils.sysconfig; \
-		        print (distutils.sysconfig.get_python_lib(0,0));"`
+			print (distutils.sysconfig.get_python_lib(0,0));"`
 	fi
 	AC_MSG_RESULT([$PYTHON_SITE_PKG])
 	AC_SUBST([PYTHON_SITE_PKG])
diff --git a/m4/ax_set_default_paths_system.m4 b/m4/ax_set_default_paths_system.m4
index 8ae1d4d..529069f 100644
--- a/m4/ax_set_default_paths_system.m4
+++ b/m4/ax_set_default_paths_system.m4
@@ -63,11 +63,11 @@ case "$prefix:$ac_default_prefix" in
         else
            case "$PATH" in
               *:/usr/local/cross-tools/$target_alias/bin:*)
-	          ac_default_prefix="/usr/local/cross-tools/$target_alias" ;;
+		  ac_default_prefix="/usr/local/cross-tools/$target_alias" ;;
               *:/usr/local/$target_alias/bin:*)
-	          ac_default_prefix="/usr/local/$target_alias" ;;
+		  ac_default_prefix="/usr/local/$target_alias" ;;
               *:/usr/local/$target_cpu-$target_os/bin:*)
-	          ac_default_prefix="/usr/local/$target_cpu-$target_os" ;;
+		  ac_default_prefix="/usr/local/$target_cpu-$target_os" ;;
               *)
                   ac_default_prefix="/programs" ;;
            esac
@@ -90,7 +90,7 @@ case ${result} in
      # help-files shall be set with --infodir, docprefix is datadir
      docprefix="${datadir}"
      mandir=`echo $mandir \
-	                     |sed -e 's:^..prefix./man$:${datadir}/info:'`
+			     |sed -e 's:^..prefix./man$:${datadir}/info:'`
      includedir=`echo $includedir \
                 |sed -e 's:^..prefix./include$:${datadir}/include:'`
      # other state files (but /etc) are moved to datadir
diff --git a/m4/ax_sys_perlsharpbang.m4 b/m4/ax_sys_perlsharpbang.m4
index 80b2367..a646747 100644
--- a/m4/ax_sys_perlsharpbang.m4
+++ b/m4/ax_sys_perlsharpbang.m4
@@ -69,9 +69,9 @@ AC_DEFUN([AX_SYS_PERLSHARPBANG],[dnl
    AC_ARG_WITH(perl-shebang,
                 AS_HELP_STRING([--with-perl-shebang],
            [override what perl thinks is the way for the kernel to start it (seldom needed)]dnl
-		           ),
+			   ),
 		[opt_perl_shebang="$withval"]dnl
-		            ,dnl
+			    ,dnl
 		[opt_perl_shebang="not_set"]dnl
     )dnl
 
@@ -79,8 +79,8 @@ AC_DEFUN([AX_SYS_PERLSHARPBANG],[dnl
 		   ax_cv_opt_perl_shebang,
 		  [ case "$opt_perl_shebang" in
 		      not_set  ) ax_cv_opt_perl_shebang=''
-		               ;;
-		         *     )
+			       ;;
+			 *     )
 	ax_cv_opt_perl_shebang=`echo "$opt_perl_shebang" | sed -e's|^#!\s*\(.*\)$|\1|'`
 		    esac
 		  ]dnl
@@ -100,17 +100,17 @@ AC_DEFUN([AX_SYS_PERLSHARPBANG],[dnl
    negclass="[[^']]"; dnl
 # must leave this comment:  m4 will remove the outer brackets for us, heheh
    AC_CACHE_CHECK([for kernel sharpbang invocation to start perl],
-	          ac_cv_sys_kernshrpbang_perl,
+		  ac_cv_sys_kernshrpbang_perl,
 	[_somian_kspb_perl=`echo "$_somian_shbangperl" | sed -ne"s|.*='\($negclass*\)';$|\1|p"`
 	if test "x$_somian_kspb_perl" == x
 	  then _somian_ksbp_warn_empty='durnit'
 	  else
 	  case "A$_somian_kspb_perl" in
-	         A#!*perl* )
+		 A#!*perl* )
            ac_cv_sys_kernshrpbang_perl=`echo "$_somian_kspb_perl" | sed -e's|#!\(.*\)$|\1|'`
 			;;
-	             A*    )  _somian_ksbp_warn_defau='trouble'
-		              ac_cv_sys_kernshrpbang_perl="$PERLINTERP"
+		     A*    )  _somian_ksbp_warn_defau='trouble'
+			      ac_cv_sys_kernshrpbang_perl="$PERLINTERP"
 	  esac
 	fi
 ])dnl Done with testing sharpbang