eclass/ELT-patches/relink/1.4.0a-GCC3.0-2

--- ltmain.sh	Wed Oct  3 02:05:35 2001
+++ ltmain.sh	Wed Oct  3 05:16:14 2001
@@ -754,6 +754,7 @@
     linker_flags=
     dllsearchpath=
     lib_search_path=`pwd`
+    inst_prefix_dir=
 
     avoid_version=no
     dlfiles=
@@ -884,6 +885,11 @@
 	  prev=
 	  continue
 	  ;;
+        inst_prefix)
+	  inst_prefix_dir="$arg"
+	  prev=
+	  continue
+	  ;;
 	release)
 	  release="-$arg"
 	  prev=
@@ -985,6 +991,11 @@
 	continue
 	;;
 
+      -inst-prefix-dir)
+	prev=inst_prefix
+	continue
+	;;
+
       # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:*
       # so, if we see these flags be careful not to treat them like -L
       -L[A-Z][A-Z]*:*)
@@ -1866,6 +1877,7 @@
 
 	  if test "$linkmode" = prog || test "$mode" = relink; then
 	    add_shlibpath=
+	    add_prefix_dir=
 	    add_dir=
 	    add=
 	    # Finalize command for both is simple: just hardcode it.
@@ -1886,10 +1898,22 @@
 	      add="-l$name"
 	    fi
 
-	    if test $linkmode = prog; then
+	    if test -n "$inst_prefix_dir"; then
+	      case "$libdir" in
+	      [\\/]*)
+		add_prefix_dir="-L$inst_prefix_dir$libdir"
+		;;
+	      esac
+	    fi
+
+	    # add_prefix_dir must be appended instead, otherwise it can
+	    # possibly be overrided by any hardcoded -L/... path in deplibs
+	    if test "$linkmode" = prog; then
+	      test -n "$add_prefix_dir" && finalize_deplibs="$finalize_deplibs $add_prefix_dir"
 	      test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs"
 	      test -n "$add" && finalize_deplibs="$add $finalize_deplibs"
 	    else
+	      test -n "$add_prefix_dir" && deplibs="$deplibs $add_prefix_dir"
 	      test -n "$add_dir" && deplibs="$add_dir $deplibs"
 	      test -n "$add" && deplibs="$add $deplibs"
 	    fi
@@ -3856,7 +3880,7 @@
       for tag in $taglist; do
         tagopts="$tagopts --tag $tag"
       done
-      relink_command="(cd `pwd`; $SHELL $0$tagopts --mode=relink $libtool_args)"
+      relink_command="(cd `pwd`; $SHELL $0$tagopts --mode=relink $libtool_args @inst_prefix_dir@)"
       relink_command=`$echo "X$relink_command" | $Xsed -e "$sed_quote_subst"`
 
       # Only create the output if not a dry run.
@@ -4157,6 +4181,24 @@
 	dir="$dir$objdir"
 
 	if test -n "$relink_command"; then
+	  # Determine the prefix the user has applied to our future dir.
+	  inst_prefix_dir=`$echo "$destdir" | sed "s%$libdir\$%%"`
+
+	  # Don't allow the user to place us outside of our expected
+	  # location b/c this prevents finding dependent libraries that
+	  # are installed to the same prefix.
+	  if test "$inst_prefix_dir" = "$destdir"; then
+	    $echo "$modename: error: cannot install \`$file' to a directory not ending in $libdir" 1>&2
+	    exit 1
+	  fi
+
+	  if test -n "$inst_prefix_dir"; then
+	    # Stick the inst_prefix_dir data into the link command.
+	    relink_command=`$echo "$relink_command" | sed "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"`
+	  else
+	    relink_command=`$echo "$relink_command" | sed "s%@inst_prefix_dir@%%"`
+	  fi
+
 	  $echo "$modename: warning: relinking \`$file'" 1>&2
 	  $show "$relink_command"
 	  if $run eval "$relink_command"; then :