21 lines
644 B
Text
21 lines
644 B
Text
# wmempcpy.m4 serial 1
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dnl Copyright (C) 2020-2022 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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AC_DEFUN([gl_FUNC_WMEMPCPY],
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[
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AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
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dnl Persuade glibc <wchar.h> to declare wmempcpy().
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AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
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dnl The wmempcpy() declaration in lib/wchar.in.h uses 'restrict'.
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AC_REQUIRE([AC_C_RESTRICT])
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AC_CHECK_FUNCS_ONCE([wmempcpy])
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if test $ac_cv_func_wmempcpy = no; then
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HAVE_WMEMPCPY=0
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fi
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])
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