24 lines
683 B
Text
24 lines
683 B
Text
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# memrchr.m4 serial 10
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dnl Copyright (C) 2002-2003, 2005-2007, 2009-2021 Free Software Foundation,
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dnl 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_MEMRCHR],
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[
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dnl Persuade glibc <string.h> to declare memrchr().
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AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
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AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
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AC_CHECK_DECLS_ONCE([memrchr])
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if test $ac_cv_have_decl_memrchr = no; then
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HAVE_DECL_MEMRCHR=0
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fi
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AC_CHECK_FUNCS([memrchr])
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])
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# Prerequisites of lib/memrchr.c.
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AC_DEFUN([gl_PREREQ_MEMRCHR], [:])
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