On Mon, 20 Jan 2020 14:58:52 +0000 Ken Brown wrote: > [Adding the cgdb maintainer to the CC.] > > On 1/20/2020 9:18 AM, Jon Turney wrote: > > On 20/01/2020 12:41, Takashi Yano wrote: > >> Hi Corinna, > >> > >> On Mon, 20 Jan 2020 11:06:46 +0100 > >> Corinna Vinschen wrote: > >>> On Jan 20 11:50, Takashi Yano wrote: > >>>> - For programs which does not work properly with pseudo console, > >>>> disable_pcon in environment CYGWIN is introduced. If disable_pcon > >>>> is set, pseudo console support is disabled. > >>> Oh well, do we really need that? > >> > >> This is, for example, needed to solve the issue reported in > >> https://www.cygwin.com/ml/cygwin/2020-01/msg00147.html. > >> > >> I looked into this problem, and found that cgdb read output of > >> gdb from pty master and write it to ncurses. The output from > >> pty master includes a lot of escape sequences which are generated > >> by pseudo console, however, ncurses does not pass-through them > >> and shows garbages. This is the cause of that issue. > >> > >> cgdb is the only program do such things so far, however, there > >> may be more programs which do not expect escape sequences read > >> from pty. > >> > >> There is no way to control pseudo console not to generate > >> escape sequences, therefore, I proposed this patch. > >> > > > > I think this may actually be an issue with cgdb being old. > > > > The latest gdb enables "output styling" using ANSI escape sequences by > > default, > > but our cgdb can't handle them? > > > > See: https://github.com/cgdb/cgdb/issues/211
I downloaded latest cgdb source from https://github.com/cgdb/cgdb and https://github.com/atotic/cgdb then built them in cygwin, however, both do not work under cygwin pseudo console enabled. Therefore I think this patch is needed for now. -- Takashi Yano <takashi.y...@nifty.ne.jp>
