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@@ -984,6 +984,12 @@ if test "$tor_cv_size_t_signed" = yes; then
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AC_MSG_ERROR([You have a signed size_t; that's grossly nonconformant.])
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fi
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+AX_CHECK_SIGN([enum always],
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+ [ AC_DEFINE(ENUM_VALS_ARE_SIGNED, 1, [Define if enum is always signed]) ],
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+ [ : ], [
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+ enum always { AAA, BBB, CCC };
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+])
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+
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AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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