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@@ -1188,6 +1188,17 @@ m4_ifdef([AS_VAR_IF],[
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TOR_CHECK_LDFLAGS(-pie, "$all_ldflags_for_check", "$all_libs_for_check")
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fi
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TOR_TRY_COMPILE_WITH_CFLAGS(-fwrapv, also_link, CFLAGS_FWRAPV="-fwrapv", true)
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+
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+ AC_MSG_CHECKING([whether we can run hardened binaries])
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+ AC_RUN_IFELSE([AC_LANG_PROGRAM([], [return 0;])],
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+ [AC_MSG_RESULT([yes])],
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+ [AC_MSG_RESULT([no])
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+ AC_MSG_ERROR([dnl
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+ We can link with compiler hardening options, but we can't run with them.
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+ That's a bad sign! If you must, you can pass --disable-gcc-hardening to
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+ configure, but it would be better to figure out what the underlying problem
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+ is.])],
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+ [AC_MSG_RESULT([cross])])
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fi
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if test "$fragile_hardening" = "yes"; then
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