gdb: change single_displaced_buffer_manager into multiple_displaced_buffer_manager

[deliverable/binutils-gdb.git] / gdb / ptrace.m4

diff --git a/gdb/ptrace.m4 b/gdb/ptrace.m4
index ca2b7c63d96756c9213da3b2f4b924890bd0aae3..0fcd855aa8fd44f9614b0aced6f7649af733060e 100644 (file)
--- a/gdb/ptrace.m4
+++ b/gdb/ptrace.m4
@@ -1,4 +1,4 @@
-dnl Copyright (C) 2012-2016 Free Software Foundation, Inc.
+dnl Copyright (C) 2012-2020 Free Software Foundation, Inc.
 dnl
 dnl This file is part of GDB.
 dnl
@@ -22,12 +22,6 @@ AC_DEFUN([GDB_AC_PTRACE],
 
 AC_CHECK_HEADERS([sys/ptrace.h ptrace.h])
 
-# Needs to be tested in C++ mode, to detect whether we need to cast
-# the first argument to enum __ptrace_request.
-if test "$enable_build_with_cxx" = "yes"; then
-    AC_LANG_PUSH([C++])
-fi
-
 gdb_ptrace_headers='
 #include <sys/types.h>
 #if HAVE_SYS_PTRACE_H
@@ -37,11 +31,7 @@ gdb_ptrace_headers='
 # include <unistd.h>
 #endif
 '
-# There is no point in checking if we don't have a prototype.
-AC_CHECK_DECLS(ptrace, [], [
-  : ${gdb_cv_func_ptrace_ret='int'}
-  : ${gdb_cv_func_ptrace_args='int,int,long,long'}
-], $gdb_ptrace_headers)
+
 # Check return type.  Varargs (used on GNU/Linux) conflict with the
 # empty argument list, so check for that explicitly.
 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
@@ -97,8 +87,4 @@ if test -n "$[5]"; then
   AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
     [Define to the type of arg 5 for ptrace.])
 fi
-
-if test "$enable_build_with_cxx" = "yes"; then
-    AC_LANG_POP([C++])
-fi
 ])