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dnl Copyright (C) 2009-2023 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_ACCEPT4], |
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[ |
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AC_REQUIRE([gl_SYS_SOCKET_H_DEFAULTS]) |
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dnl Persuade glibc <sys/socket.h> to declare accept4(). |
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AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) |
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AC_CHECK_DECLS([accept4], , , [[ |
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]]) |
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if test $ac_cv_have_decl_accept4 != yes; then |
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HAVE_ACCEPT4=0 |
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fi |
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]) |
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