3
dnl Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2005 Free Software
6
dnl This file is free software; the Free Software Foundation
7
dnl gives unlimited permission to copy and/or distribute it,
8
dnl with or without modifications, as long as this notice is preserved.
12
dnl See if there's a working, system-supplied version of the getline function.
13
dnl We can't just do AC_REPLACE_FUNCS(getline) because some systems
14
dnl have a function by that name in -linet that doesn't have anything
15
dnl to do with the function we need.
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AC_DEFUN([gl_FUNC_GETLINE],
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AC_LIBSOURCES([getline.c, getline.h])
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dnl Persuade glibc <stdio.h> to declare getline().
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AC_REQUIRE([AC_GNU_SOURCE])
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AC_CHECK_DECLS([getline])
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gl_getline_needs_run_time_check=no
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AC_CHECK_FUNC(getline,
27
dnl Found it in some library. Verify that it works.
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gl_getline_needs_run_time_check=yes,
29
am_cv_func_working_getline=no)
30
if test $gl_getline_needs_run_time_check = yes; then
31
AC_CACHE_CHECK([for working getline function], am_cv_func_working_getline,
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[echo fooN |tr -d '\012'|tr N '\012' > conftest.data
38
{ /* Based on a test program from Karl Heuer. */
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FILE *in = fopen ("./conftest.data", "r");
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len = getline (&line, &siz, in);
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exit ((len == 4 && line && strcmp (line, "foo\n") == 0) ? 0 : 1);
48
], am_cv_func_working_getline=yes dnl The library version works.
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, am_cv_func_working_getline=no dnl The library version does NOT work.
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, am_cv_func_working_getline=no dnl We're cross compiling.
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if test $am_cv_func_working_getline = no; then
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dnl We must choose a different name for our function, since on ELF systems
56
dnl a broken getline() in libc.so would override our getline() in
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AC_DEFINE([getline], [gnu_getline],
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[Define to a replacement function name for getline().])
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# Prerequisites of lib/getline.c.
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AC_DEFUN([gl_PREREQ_GETLINE],
added
removed
gl/m4/getline.m4
