[BRLTTY] precision regarding brltty 4 doesn't compile: make stops...

Mario Lang mlang at delysid.org
Sat Jul 4 05:42:54 EDT 2009


Labrador <labrad0r at edpnet.be> writes:

> On Fri, Jul 03, 2009 at 10:54:00PM +0200, Mario Lang wrote:
>> Labrador <labrad0r at edpnet.be> writes:
>> 
>> > I forgot to say, this is my configure command:
>> > ./configure --enable-standalone-programs --with-braille-driver=al --with-braille-device=USB: --with-text-table=de 
>> 
>> You probably also want to add --with-screen-driver=lx
>
> Sorry but it still doesn't compile:
> the ./configure step is OK, prompts without errors,
> but make is still working after very very long minutes;

This is indeed pretty weird.  tbl2hex apparently hangs in some sort
of deadlock, here are the last few lines of:
strace ./tbl2hex ../Tables/en-nabcc.ttb:


open("../Tables/en-nabcc.ttb", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=20733, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5d349000
read(3, "################################"..., 4096) = 4096
read(3, " (12 45 7 )  #  71   G  latin ca"..., 4096) = 4096
read(3, "dus\nchar \\X5F (   456  )  #  95 "..., 4096) = 4096
read(3, ". The only exception to these ru"..., 4096) = 4096
read(3, "   #Hex    Dots       Dec Char D"..., 4096) = 4096
read(3, "~   no-break space\n\n# The nonbre"..., 4096) = 253
futex(0x142e76c, FUTEX_WAIT, 0, NULL

And here it hangs.

This is with only "--enable-standalone-programs" and I used glibc.
If I run the same command under gdb, it segfaults in strcmp().
There are those bugs where gdb makes them go away, apparently there are
also bugs which are triggered by using gdb :-).

I haven't tried this in a long time, I always used to link brltty with
dietlibc since that was way smaller.

-- 
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