install-reloc: Support multi-binary installation.

[gnulib.git] / m4 / unlinkat.m4

diff --git a/m4/unlinkat.m4 b/m4/unlinkat.m4
index cf735ba..32cfbc1 100644 (file)
--- a/m4/unlinkat.m4
+++ b/m4/unlinkat.m4
@@ -1,5 +1,5 @@
-# unlinkat.m4 serial 1
-dnl Copyright (C) 2004-2012 Free Software Foundation, Inc.
+# unlinkat.m4 serial 2
+dnl Copyright (C) 2004-2013 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -16,15 +16,18 @@ AC_DEFUN([gl_FUNC_UNLINKAT],
   if test $ac_cv_func_unlinkat = no; then
     HAVE_UNLINKAT=0
   else
-    if test $gl_cv_func_lstat_dereferences_slashed_symlink != yes; then
-      # Solaris 9 has *at functions, but uniformly mishandles trailing
-      # slash in all of them.
-      REPLACE_UNLINKAT=1
-    else
-      # GNU/Hurd has unlinkat, but it has the same bug as unlink.
-      if test $REPLACE_UNLINK = 1; then
+    case "$gl_cv_func_lstat_dereferences_slashed_symlink" in
+      *no)
+        # Solaris 9 has *at functions, but uniformly mishandles trailing
+        # slash in all of them.
         REPLACE_UNLINKAT=1
-      fi
-    fi
+        ;;
+      *)
+        # GNU/Hurd has unlinkat, but it has the same bug as unlink.
+        if test $REPLACE_UNLINK = 1; then
+          REPLACE_UNLINKAT=1
+        fi
+        ;;
+    esac
   fi
 ])