Re: glibc-2.42 instuctions don't clearly say where to build Time Zone data

On 11/28/25 00:28, Bruce Dubbs ([email protected] via lfs-support 
Mailing List) wrote:
> On 11/26/25 7:16 PM, "Richard" ([email protected] via 
> lfs-support Mailing List) wrote:
>> The instructions work fine, just not clear where:
>>
>> Add 'cd glibc-2.42/timezone' directory or ../timezone if in the 'build'
>> directory at the top.
>> There is also a timezone directory in the 'build' directory where 
>> this won't
>> work.
>
> As stated in Part III, page iii, General Compilation Instructions, 
> Second 'Important' note:
>
> 3. For each package:
>
>    a. Using the tar program, extract the package to be built.
>
>    b. Change to the directory created when the package was extracted.
>
>    ...
>
> So we assume starting in the directory  $LFS/sources/glibc-2.42/, or
> in Chapters 7 and 8 just /sources/glibc-2.42.
>
> The only time we say to change directories is
>
>   mkdir -v build
>   cd       build
>
> Don't read things into the instructions that are not there.  All other
> commands use either relative directory locations or absolute directory 
> paths.
>
>   -- Bruce
>
True, but you never tell the installer to "cd timezone" directory in the 
root of the package source.  You should.  I only did because I did 
install of libc years ago and knew there was such a directory, and got a 
clue when did "tar -xf ../../tzdata2025b.tar.gz" showing that I was 
supposed to be in a subdirectory under the source root.  A newbie might 
not catch that.  The instruction block should be:

cd timezone

tar -xf ../../tzdata2025b.tar.gz

ZONEINFO=/usr/share/zoneinfo
mkdir -pv $ZONEINFO/{posix,right}

for tz in etcetera southamerica northamerica europe africa antarctica  \
           asia australasia backward; do
     zic -L /dev/null   -d $ZONEINFO       ${tz}
     zic -L /dev/null   -d $ZONEINFO/posix ${tz}
     zic -L leapseconds -d $ZONEINFO/right ${tz}
done

cp -v zone.tab zone1970.tab iso3166.tab $ZONEINFO
zic -d $ZONEINFO -p America/New_York
unset ZONEINFO tz

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