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Last change
on this file was 3611, checked in by bird, 14 months ago |
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vendor/sed/current: GNU sed 4.9 (sed-4.9.tar.xz sha256:6e226b732e1cd739464ad6862bd1a1aba42d7982922da7a53519631d24975181)
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File size:
1.2 KB
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| 1 | # See if we need to provide obstacks.
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| 2 |
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| 3 | dnl Copyright 1996-2022 Free Software Foundation, Inc.
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| 4 | dnl This file is free software; the Free Software Foundation
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| 5 | dnl gives unlimited permission to copy and/or distribute it,
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| 6 | dnl with or without modifications, as long as this notice is preserved.
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| 7 |
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| 8 | dnl Autoconf's AC_FUNC_OBSTACK is marked obsolete since version 2.70.
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| 9 | dnl We provide our own macro here.
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| 10 |
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| 11 | AC_DEFUN([gl_FUNC_OBSTACK],
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| 12 | [
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| 13 | AC_CACHE_CHECK([for obstacks that work with any size object],
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| 14 | [gl_cv_func_obstack],
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| 15 | [AC_LINK_IFELSE(
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| 16 | [AC_LANG_PROGRAM(
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| 17 | [[#include "obstack.h"
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| 18 | void *obstack_chunk_alloc (size_t n) { return 0; }
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| 19 | void obstack_chunk_free (void *p) { }
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| 20 | /* Check that an internal function returns size_t, not int. */
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| 21 | size_t _obstack_memory_used (struct obstack *);
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| 22 | ]],
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| 23 | [[struct obstack mem;
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| 24 | obstack_init (&mem);
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| 25 | obstack_free (&mem, 0);
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| 26 | ]])],
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| 27 | [gl_cv_func_obstack=yes],
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| 28 | [gl_cv_func_obstack=no])])
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| 29 | if test "$gl_cv_func_obstack" = yes; then
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| 30 | AC_DEFINE([HAVE_OBSTACK], 1,
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| 31 | [Define to 1 if the system has obstacks that work with any size object.])
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| 32 | fi
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| 33 | ])
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