doc: use ASCII in .texi files where UTF-8 isn't needed

[gnulib.git] / m4 / unlink-busy.m4

diff --git a/m4/unlink-busy.m4 b/m4/unlink-busy.m4
index 2f5f273..c45648d 100644 (file)
--- a/m4/unlink-busy.m4
+++ b/m4/unlink-busy.m4
@@ -1,32 +1,40 @@
-#serial 7
+#serial 12

 
 dnl From J. David Anglin.
 
 dnl HPUX and other systems can't unlink shared text that is being executed.
 
 
 dnl From J. David Anglin.
 
 dnl HPUX and other systems can't unlink shared text that is being executed.
 

+# Copyright (C) 2000-2001, 2004, 2007, 2009-2014 Free Software Foundation, Inc.
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+

 AC_DEFUN([gl_FUNC_UNLINK_BUSY_TEXT],
 [dnl
   AC_CACHE_CHECK([whether a running program can be unlinked],
 AC_DEFUN([gl_FUNC_UNLINK_BUSY_TEXT],
 [dnl
   AC_CACHE_CHECK([whether a running program can be unlinked],

-    jm_cv_func_unlink_busy_text,
+    gl_cv_func_unlink_busy_text,

     [
     [

-      AC_TRY_RUN([
-        main (argc, argv)
-          int argc;
-          char **argv;
-        {
-          if (!argc)
-            exit (-1);
-          exit (unlink (argv[0]));
-        }
-       ],
-      jm_cv_func_unlink_busy_text=yes,
-      jm_cv_func_unlink_busy_text=no,
-      jm_cv_func_unlink_busy_text=no
+      AC_RUN_IFELSE(
+        [AC_LANG_SOURCE(
+           [AC_INCLUDES_DEFAULT[
+            int
+            main (int argc, char **argv)
+            {
+              int result = 0;
+              if (argc == 0)
+                result |= 1;
+              else if (unlink (argv[0]) != 0)
+                result |= 2;
+              return result;
+            }]])],
+      gl_cv_func_unlink_busy_text=yes,
+      gl_cv_func_unlink_busy_text=no,
+      gl_cv_func_unlink_busy_text=no

       )
     ]
   )
 
       )
     ]
   )
 

-  if test $jm_cv_func_unlink_busy_text = no; then
+  if test $gl_cv_func_unlink_busy_text = no; then

     INSTALL=$ac_install_sh
   fi
 ])
     INSTALL=$ac_install_sh
   fi
 ])