[tor-bugs] #31699 [Core Tor/Tor]: Remove unused configure.ac checks

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#31699: Remove unused configure.ac checks
------------------------------+------------------------------
     Reporter:  nickm         |      Owner:  (none)
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:  Tor: unspecified
    Component:  Core Tor/Tor  |    Version:  Tor: unspecified
     Severity:  Normal        |   Keywords:  easy
Actual Points:                |  Parent ID:  #31698
       Points:                |   Reviewer:
      Sponsor:                |
------------------------------+------------------------------
 Here is a little script to find macros in orconfig.h.in that are not
 actually mentioned in our code:
 {{{
 #/bin/bash
 for macroname in $(grep '#undef' orconfig.h.in | awk -e '{ print $2; }') ;
 do
     git grep -l "$macroname" src >/dev/null || echo "$macroname"
 done
 }}}

 Some of these macros are used in system header files, but we can safely
 remove the autoconf checks for the ones that are not.  I think they are:
 {{{
 HAVE_EVENT2_BUFFEREVENT_SSL_H
 HAVE_EVENT2_DNS_H
 HAVE_EVENT2_EVENT_H
 HAVE_EVP_SHA3_256
 HAVE_GETPASS
 HAVE_HTONLL
 HAVE_LIBCAP
 HAVE_MALLOC_MALLOC_H
 HAVE_MALLOC_NP_H
 HAVE_STRUCT_TCP_INFO_TCPI_SND_MSS
 HAVE_STRUCT_TCP_INFO_TCPI_UNACKED
 HAVE_SYS_SYSLIMITS_H
 HAVE_U_CHAR
 SRCDIR
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31699>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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