Fix <check> typo, add a bit about fdstat.

diff --git a/libtool b/libtool
index 5d2e9f855a2a50ab1aa2649d8aa9b838eeda5d11..6b90082ab20e3d09fb83e86fcc47adf74ff5d53a 100755 (executable)
--- a/libtool
+++ b/libtool
@@ -463,6 +463,8 @@ do
   --mode) prevopt="--mode" prev=mode ;;
   --mode=*) mode="$optarg" ;;
 
+  --preserve-dup-deps) duplicate_deps="yes" ;;
+
   --quiet | --silent)
     show=:
     ;;
@@ -1043,6 +1045,7 @@ compiler."
     linker_flags=
     dllsearchpath=
     lib_search_path=`pwd`
+    inst_prefix_dir=
 
     avoid_version=no
     dlfiles=
@@ -1173,6 +1176,11 @@ compiler."
          prev=
          continue
          ;;
+        inst_prefix)
+         inst_prefix_dir="$arg"
+         prev=
+         continue
+         ;;
        release)
          release="-$arg"
          prev=
@@ -1274,6 +1282,11 @@ compiler."
        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]*:*)
@@ -1616,11 +1629,32 @@ compiler."
     # Find all interdependent deplibs by searching for libraries
     # that are linked more than once (e.g. -la -lb -la)
     for deplib in $deplibs; do
-      case "$libs " in
-      *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
-      esac
+      if test "X$duplicate_deps" = "Xyes" ; then
+       case "$libs " in
+       *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
+       esac
+      fi
       libs="$libs $deplib"
     done
+
+    if test "$linkmode" = lib; then
+      libs="$predeps $libs $compiler_lib_search_path $postdeps"
+
+      # Compute libraries that are listed more than once in $predeps
+      # $postdeps and mark them as special (i.e., whose duplicates are
+      # not to be eliminated).
+      pre_post_deps=
+      if test "X$duplicate_deps" = "Xyes" ; then
+       for pre_post_dep in $predeps $postdeps; do
+         case "$pre_post_deps " in
+         *" $pre_post_dep "*) specialdeplibs="$specialdeplibs $pre_post_deps" ;;
+         esac
+         pre_post_deps="$pre_post_deps $pre_post_dep"
+       done
+      fi
+      pre_post_deps=
+    fi
+
     deplibs=
     newdependency_libs=
     newlib_search_path=
@@ -1841,9 +1875,11 @@ compiler."
            tmp_libs=
            for deplib in $dependency_libs; do
              deplibs="$deplib $deplibs"
-             case "$tmp_libs " in
-             *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
-             esac
+              if test "X$duplicate_deps" = "Xyes" ; then
+               case "$tmp_libs " in
+               *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
+               esac
+              fi
              tmp_libs="$tmp_libs $deplib"
            done
          elif test "$linkmode" != prog && test "$linkmode" != lib; then
@@ -1966,9 +2002,11 @@ compiler."
              # or/and link against static libraries
              newdependency_libs="$deplib $newdependency_libs"
            fi
-           case "$tmp_libs " in
-           *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
-           esac
+           if test "X$duplicate_deps" = "Xyes" ; then
+             case "$tmp_libs " in
+             *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
+             esac
+           fi
            tmp_libs="$tmp_libs $deplib"
          done # for deplib
          continue
@@ -2160,7 +2198,16 @@ compiler."
            if test "$hardcode_direct" = yes; then
              add="$libdir/$linklib"
            elif test "$hardcode_minus_L" = yes; then
-             add_dir="-L$libdir"
+             # Try looking first in the location we're being installed to.
+             add_dir=
+             if test -n "$inst_prefix_dir"; then
+               case "$libdir" in
+               [\\/]*)
+                 add_dir="-L$inst_prefix_dir$libdir"
+                 ;;
+               esac
+             fi
+             add_dir="$add_dir -L$libdir"
              add="-l$name"
            elif test "$hardcode_shlibpath_var" = yes; then
              case :$finalize_shlibpath: in
@@ -2170,7 +2217,16 @@ compiler."
              add="-l$name"
            else
              # We cannot seem to hardcode it, guess we'll fake it.
-             add_dir="-L$libdir"
+             # Try looking first in the location we're being installed to.
+             add_dir=
+             if test -n "$inst_prefix_dir"; then
+               case "$libdir" in
+               [\\/]*)
+                 add_dir="-L$inst_prefix_dir$libdir"
+                 ;;
+               esac
+             fi
+             add_dir="$add_dir -L$libdir"
              add="-l$name"
            fi
 
@@ -2267,9 +2323,11 @@ compiler."
          tmp_libs=
          for deplib in $dependency_libs; do
            newdependency_libs="$deplib $newdependency_libs"
-           case "$tmp_libs " in
-           *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
-           esac
+           if test "X$duplicate_deps" = "Xyes" ; then
+             case "$tmp_libs " in
+             *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
+             esac
+           fi
            tmp_libs="$tmp_libs $deplib"
          done
 
@@ -4144,7 +4202,7 @@ fi\
        fi
       done
       # Quote the link command for shipping.
-      relink_command="(cd `pwd`; $SHELL $0 --mode=relink $libtool_args)"
+      relink_command="(cd `pwd`; $SHELL $0 --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.
@@ -4445,12 +4503,30 @@ relink_command=\"$relink_command\""
        dir="$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 :
          else
            $echo "$modename: error: relink \`$file' with the above command before installing it" 1>&2
-           continue
+           exit 1
          fi
        fi