testsuite: fix analyzer C++ failures on Solaris [PR111475]

[thirdparty/gcc.git] / libiberty / aclocal.m4

diff --git a/libiberty/aclocal.m4 b/libiberty/aclocal.m4
index b6c611e132d018f0e9dac75e5a9a4482ff24336e..364fb6bc3b46baf7453b611105b87baeefaa45e9 100644 (file)
--- a/libiberty/aclocal.m4
+++ b/libiberty/aclocal.m4
@@ -1,85 +1,24 @@
-dnl See whether strncmp reads past the end of its string parameters.
-dnl On some versions of SunOS4 at least, strncmp reads a word at a time
-dnl but erroneously reads past the end of strings.  This can cause
-dnl a SEGV in some cases.
-AC_DEFUN(libiberty_AC_FUNC_STRNCMP,
-[AC_REQUIRE([AC_FUNC_MMAP])
-AC_CACHE_CHECK([for working strncmp], ac_cv_func_strncmp_works,
-[AC_TRY_RUN([
-/* Test by Jim Wilson and Kaveh Ghazi.
-   Check whether strncmp reads past the end of its string parameters. */
-#include <sys/types.h>
-
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-
-#ifdef HAVE_SYS_MMAN_H
-#include <sys/mman.h>
-#endif
-
-#ifndef MAP_ANON
-#ifdef MAP_ANONYMOUS
-#define MAP_ANON MAP_ANONYMOUS
-#else
-#define MAP_ANON MAP_FILE
-#endif
-#endif
-
-#ifndef MAP_FILE
-#define MAP_FILE 0
-#endif
-#ifndef O_RDONLY
-#define O_RDONLY 0
-#endif
-
-#define MAP_LEN 0x10000
-
-main ()
-{
-#if defined(HAVE_MMAP) || defined(HAVE_MMAP_ANYWHERE)
-  char *p;
-  int dev_zero;
-
-  dev_zero = open ("/dev/zero", O_RDONLY);
-  if (dev_zero < 0)
-    exit (1);
-  
-  p = (char *) mmap (0, MAP_LEN, PROT_READ|PROT_WRITE,
-                    MAP_ANON|MAP_PRIVATE, dev_zero, 0);
-  if (p == (char *)-1)
-    exit (2);
-  else
-    {
-      char *string = "__si_type_info";
-      char *q = (char *) p + MAP_LEN - strlen (string) - 2;
-      char *r = (char *) p + 0xe;
-
-      strcpy (q, string);
-      strcpy (r, string);
-      strncmp (r, q, 14);
-    }
-#endif /* HAVE_MMAP || HAVE_MMAP_ANYWHERE */
-  exit (0);
-}
-], ac_cv_func_strncmp_works=yes, ac_cv_func_strncmp_works=no,
-  ac_cv_func_strncmp_works=no)
-rm -f core core.* *.core])
-if test $ac_cv_func_strncmp_works = no ; then
-  LIBOBJS="$LIBOBJS strncmp.o"
-fi
-])
-
-dnl See if errno must be declared even when <errno.h> is included.
-AC_DEFUN(libiberty_AC_DECLARE_ERRNO,
-[AC_CACHE_CHECK(whether errno must be declared, libiberty_cv_declare_errno,
-[AC_TRY_COMPILE(
-[#include <errno.h>],
-[int x = errno;],
-libiberty_cv_declare_errno=no,
-libiberty_cv_declare_errno=yes)])
-if test $libiberty_cv_declare_errno = yes
-then AC_DEFINE(NEED_DECLARATION_ERRNO, 1,
-  [Define if errno must be declared even when <errno.h> is included.])
-fi
-])
+# generated automatically by aclocal 1.15.1 -*- Autoconf -*-
+
+# Copyright (C) 1996-2017 Free Software Foundation, Inc.
+
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
+m4_include([../config/acx.m4])
+m4_include([../config/cet.m4])
+m4_include([../config/enable.m4])
+m4_include([../config/gcc-plugin.m4])
+m4_include([../config/hwcaps.m4])
+m4_include([../config/no-executables.m4])
+m4_include([../config/override.m4])
+m4_include([../config/picflag.m4])
+m4_include([../config/warnings.m4])
+m4_include([acinclude.m4])