mirror of
https://git.code.sf.net/p/quake/quake2forge
synced 2024-12-12 13:42:21 +00:00
61 lines
1.5 KiB
Text
61 lines
1.5 KiB
Text
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dnl $Id$
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dnl
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dnl Copyright (c) 2002 The Quakeforge Project.
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dnl Checks if function/macro va_copy() is available
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dnl Defines HAVE_VA_COPY on success.
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AC_DEFUN(AC_FUNC_VA_COPY,
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[AC_CACHE_CHECK([for va_copy], ac_cv_func_va_copy,
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[AC_TRY_LINK([
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#ifdef HAVE_STDARG_H
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# include <stdarg.h>
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#else
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# include <varargs.h>
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#endif],
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[
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va_list a, b;
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va_copy(a, b);],
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[ac_cv_func_va_copy=yes],
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[ac_cv_func_va_copy=no])])
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if test $ac_cv_func_va_copy = yes; then
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AC_DEFINE(HAVE_VA_COPY, 1, [Define if va_copy is available])
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fi])
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dnl Checks if function/macro __va_copy() is available
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dnl Defines HAVE__VA_COPY on success.
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AC_DEFUN(AC_FUNC__VA_COPY,
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[AC_CACHE_CHECK([for __va_copy], ac_cv_func__va_copy,
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[AC_TRY_LINK([
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#ifdef HAVE_STDARG_H
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# include <stdarg.h>
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#else
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# include <varargs.h>
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#endif],
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[
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va_list a,b;
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__va_copy(a, b);],
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[ac_cv_func__va_copy=yes],
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[ac_cv_func__va_copy=no])])
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if test $ac_cv_func__va_copy = yes; then
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AC_DEFINE(HAVE__VA_COPY, 1, [Define if __va_copy is available])
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fi])
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dnl Checks if va_list is an array
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dnl Devines VA_LIST_IS_ARRAY on success
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AC_DEFUN(AC_TYPE_VA_LIST,
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[AC_CACHE_CHECK([if va_list is an array], ac_cv_type_va_list_array,
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[AC_TRY_LINK([
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#ifdef HAVE_STDARG_H
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# include <stdarg.h>
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#else
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# include <varargs.h>
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#endif],
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[
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va_list a, b;
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a = b;],
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[ac_cv_type_va_list_array=no],
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[ac_cv_type_va_list_array=yes])])
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if test $ac_cv_type_va_list_array = yes; then
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AC_DEFINE(VA_LIST_IS_ARRAY, 1, [Define if va_list is an array])
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fi])
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