Modify verify.h to pacify gcc -Wredundant_decls.

[gnulib.git] / m4 / symlink.m4

diff --git a/m4/symlink.m4 b/m4/symlink.m4
index abea045..3d14e69 100644 (file)
--- a/m4/symlink.m4
+++ b/m4/symlink.m4
@@ -1,7 +1,7 @@
-# serial 1
+# serial 2
 # See if we need to provide symlink replacement.
 
-dnl Copyright (C) 2009 Free Software Foundation, Inc.
+dnl Copyright (C) 2009, 2010 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.
@@ -13,8 +13,8 @@ AC_DEFUN([gl_FUNC_SYMLINK],
   AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
   AC_CHECK_FUNCS_ONCE([symlink])
   dnl The best we can do on mingw is provide a dummy that always fails, so
-  dnl that compilation can proceed with fewer ifdefs.  On Solaris 9, we
-  dnl want to fix a bug with trailing slash handling.
+  dnl that compilation can proceed with fewer ifdefs.  On Solaris 9 and
+  dnl FreeBSD 7.2, we want to fix a bug with trailing slash handling.
   if test $ac_cv_func_symlink = no; then
     HAVE_SYMLINK=0
     AC_LIBOBJ([symlink])
@@ -24,9 +24,12 @@ AC_DEFUN([gl_FUNC_SYMLINK],
       [AC_RUN_IFELSE(
          [AC_LANG_PROGRAM(
            [[#include <unistd.h>
-]], [[return !symlink ("a", "conftest.link/");]])],
+]], [[if (!symlink ("a", "conftest.link/")) return 1;
+      if (symlink ("conftest.f", "conftest.lnk2")) return 2;
+      if (!symlink ("a", "conftest.lnk2/")) return 3;]])],
          [gl_cv_func_symlink_works=yes], [gl_cv_func_symlink_works=no],
-         [gl_cv_func_symlink_works="guessing no"])])
+         [gl_cv_func_symlink_works="guessing no"])
+      rm -f conftest.f conftest.link conftest.lnk2])
     if test "$gl_cv_func_symlink_works" != yes; then
       REPLACE_SYMLINK=1
       AC_LIBOBJ([symlink])