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(HAVE_LIBC_STACK_END): New check, to be used in libguile/gc_os_dep.c

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This commit is contained in:
Marius Vollmer 2003-06-09 22:08:25 +00:00
parent 216cb3b5fc
commit 5eb040aa8b
1 changed files with 13 additions and 1 deletions
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14
configure.in
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@ -1,7 +1,7 @@
dnl configuration script for Guile
dnl Process this file with autoconf to produce configure.
dnl
dnl Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
dnl Copyright (C) 1998, 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
dnl
dnl This file is part of GUILE
dnl
@ -324,6 +324,18 @@ AC_CHECK_FUNCS(sethostent gethostent endhostent dnl
inet_lnaof inet_makeaddr inet_netof hstrerror dnl
inet_pton inet_ntop)
AC_MSG_CHECKING(for __libc_stack_end)
AC_TRY_LINK([extern char *__libc_stack_end;],
[char *p = __libc_stack_end;],
have_libc_stack_end=yes,
have_libc_stack_end=no)
AC_MSG_RESULT($have_libc_stack_end)
if test $have_libc_stack_end = yes; then
AC_DEFINE(HAVE_LIBC_STACK_END, 1,
[Define if you have the __libc_stack_end variable.])
fi
dnl Some systems do not declare this. Some systems do declare it, as a
dnl macro. With cygwin it may be in a DLL.