unlink, remove: detect FreeBSD bug

[gnulib.git] / m4 / link-follow.m4

diff --git a/m4/link-follow.m4 b/m4/link-follow.m4
index 48885ea..d2c5dd9 100644 (file)
--- a/m4/link-follow.m4
+++ b/m4/link-follow.m4
@@ -1,4 +1,4 @@
-# serial 14
+# serial 15
 dnl Run a program to determine whether link(2) follows symlinks.
 dnl Set LINK_FOLLOWS_SYMLINKS accordingly.
 
@@ -47,16 +47,16 @@ AC_DEFUN([gl_FUNC_LINK_FOLLOWS_SYMLINK],
 
          /* Create a symlink to the regular file. */
          if (symlink (file, sym))
-           abort ();
+           return 2;
 
          /* Create a hard link to that symlink.  */
          if (link (sym, hard))
-           abort ();
+           return 3;
 
          if (lstat (hard, &sb_hard))
-           abort ();
+           return 4;
          if (lstat (file, &sb_file))
-           abort ();
+           return 5;
 
          /* If the dev/inode of hard and file are the same, then
             the link call followed the symlink.  */
@@ -67,6 +67,7 @@ AC_DEFUN([gl_FUNC_LINK_FOLLOWS_SYMLINK],
        [gl_cv_func_link_follows_symlink=yes], dnl Followed link/compile failed
        [gl_cv_func_link_follows_symlink=unknown] dnl We're cross compiling.
       )
+      rm -f conftest.file conftest.sym conftest.hard
     ])
     case $gl_cv_func_link_follows_symlink in
       yes) gl_link_follows_symlinks=1 ;;