strtoumax: Avoid link error on OSF/1 with DTK cc.

[gnulib.git] / m4 / fdopendir.m4

diff --git a/m4/fdopendir.m4 b/m4/fdopendir.m4
index f192a62..f0d8cfa 100644 (file)
--- a/m4/fdopendir.m4
+++ b/m4/fdopendir.m4
@@ -1,4 +1,4 @@
-# serial 5
+# serial 8
 # See if we need to provide fdopendir.
 
 dnl Copyright (C) 2009-2011 Free Software Foundation, Inc.
@@ -17,9 +17,6 @@ AC_DEFUN([gl_FUNC_FDOPENDIR],
     ]])
   AC_CHECK_FUNCS_ONCE([fdopendir])
   if test $ac_cv_func_fdopendir = no; then
-    AC_LIBOBJ([openat-proc])
-    AC_LIBOBJ([fdopendir])
-    gl_REPLACE_DIRENT_H
     HAVE_FDOPENDIR=0
   else
     AC_CACHE_CHECK([whether fdopendir works],
@@ -29,7 +26,11 @@ AC_DEFUN([gl_FUNC_FDOPENDIR],
 #include <fcntl.h>
 #include <unistd.h>
 #if !HAVE_DECL_FDOPENDIR
-extern DIR *fdopendir (int);
+extern
+# ifdef __cplusplus
+"C"
+# endif
+DIR *fdopendir (int);
 #endif
 ]], [int result = 0;
      int fd = open ("conftest.c", O_RDONLY);
@@ -42,8 +43,6 @@ extern DIR *fdopendir (int);
          [gl_cv_func_fdopendir_works="guessing no"])])
     if test "$gl_cv_func_fdopendir_works" != yes; then
       REPLACE_FDOPENDIR=1
-      gl_REPLACE_DIRENT_H
-      AC_LIBOBJ([fdopendir])
     fi
   fi
 ])