--- unix/configure.in
+++ unix/configure.in
@@ -196,7 +196,7 @@
     AC_MSG_RESULT(yes)
 else
     AC_MSG_RESULT([broken, using substitute])
-    LIBOBJS="$LIBOBJS strstr.o"
+    AC_LIBOBJ(strstr)
 fi
 
 #--------------------------------------------------------------------
@@ -221,7 +221,7 @@
 }], , tcl_ok=0, tcl_ok=0)
 if test "$tcl_ok" = 0; then
     test -n "$verbose" && echo "	Adding strtoul.o."
-    LIBOBJS="$LIBOBJS strtoul.o"
+    AC_LIBOBJ(strtoul)
 fi
 
 #--------------------------------------------------------------------
@@ -245,7 +245,7 @@
 }], , tcl_ok=0, tcl_ok=0)
 if test "$tcl_ok" = 0; then
     test -n "$verbose" && echo "	Adding strtod.o."
-    LIBOBJS="$LIBOBJS strtod.o"
+    AC_LIBOBJ(strtod)
 fi
 
 #--------------------------------------------------------------------
@@ -327,7 +327,7 @@
     AC_CHECK_LIB(inet, strncasecmp, tcl_ok=1, tcl_ok=0)
 fi
 if test "$tcl_ok" = 0; then
-    LIBOBJS="$LIBOBJS strncasecmp.o"
+    AC_LIBOBJ(strncasecmp)
 fi
 
 #--------------------------------------------------------------------
--- unix/tcl.m4
+++ unix/tcl.m4
@@ -884,7 +884,7 @@
 
 	    # AIX v<=4.1 has some different flags than 4.2+
 	    if test "$system" = "AIX-4.1" -o "`uname -v`" -lt "4" ; then
-		LIBOBJS="$LIBOBJS tclLoadAix.o"
+		AC_LIBOBJ(tclLoadAix)
 		DL_LIBS="-lld"
 	    fi
 
@@ -1131,7 +1131,7 @@
 	    # is kind of overkill but it works.
 	    # Disable inlining only when one of the
 	    # files in compat/*.c is being linked in.
-	    if test x"${LIBOBJS}" != x ; then
+            if test x"${LIB@&t@OBJS}" != x ; then
 	        EXTRA_CFLAGS="${EXTRA_CFLAGS} -fno-inline"
 	    fi
 
@@ -2245,7 +2245,7 @@
 	    AC_MSG_RESULT(ok)
 	else
 	    AC_MSG_RESULT(buggy)
-	    LIBOBJS="$LIBOBJS fixstrtod.o"
+	    AC_LIBOBJ(fixstrtod)
 	    AC_DEFINE(strtod, fixstrtod)
 	fi
     fi
