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532759a593
* bootstrap, Makefile.am, gnulib/*: Import more gnulib modules for use by MinGW Windows port.
48 lines
1.6 KiB
Plaintext
48 lines
1.6 KiB
Plaintext
# getpass.m4 serial 10
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dnl Copyright (C) 2002-2003, 2005-2006 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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# Provide a getpass() function if the system doesn't have it.
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AC_DEFUN([gl_FUNC_GETPASS],
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[
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AC_REPLACE_FUNCS(getpass)
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AC_CHECK_DECLS_ONCE(getpass)
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if test $ac_cv_func_getpass = no; then
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gl_PREREQ_GETPASS
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fi
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])
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# Provide the GNU getpass() implementation. It supports passwords of
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# arbitrary length (not just 8 bytes as on HP-UX).
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AC_DEFUN([gl_FUNC_GETPASS_GNU],
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[
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AC_CHECK_DECLS_ONCE(getpass)
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dnl TODO: Detect when GNU getpass() is already found in glibc.
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AC_LIBOBJ(getpass)
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gl_PREREQ_GETPASS
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dnl We must choose a different name for our function, since on ELF systems
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dnl an unusable getpass() in libc.so would override our getpass() if it is
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dnl compiled into a shared library.
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AC_DEFINE([getpass], [gnu_getpass],
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[Define to a replacement function name for getpass().])
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])
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# Prerequisites of lib/getpass.c.
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AC_DEFUN([gl_PREREQ_GETPASS], [
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AC_CHECK_HEADERS_ONCE(stdio_ext.h termios.h)
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AC_CHECK_FUNCS_ONCE(__fsetlocking tcgetattr tcsetattr)
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AC_CHECK_DECLS([__fsetlocking],,,
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[#include <stdio.h>
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#if HAVE_STDIO_EXT_H
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#include <stdio_ext.h>
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#endif])
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AC_CHECK_DECLS_ONCE([fflush_unlocked])
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AC_CHECK_DECLS_ONCE([flockfile])
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AC_CHECK_DECLS_ONCE([fputs_unlocked])
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AC_CHECK_DECLS_ONCE([funlockfile])
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AC_CHECK_DECLS_ONCE([putc_unlocked])
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:
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])
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