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Linux From Scratch This Forum is for the discussion of LFS.
LFS is a project that provides you with the steps necessary to build your own custom Linux system.


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Old 05-21-2009, 09:57 PM   #1
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Testing error with Glibc

I have been building LFS 6.4, and have been following the book exactly,
mostly pasting in commands from the book. Unfortunately, whilst making
the glibc in chapter 6, I have generated errors.

The last three commands entered are:-

cp -v ../glibc-2.8-20080929/iconvdata/gconv-modules iconvdata
make -k check 2>&1 | tee glibc-check-log
grep Error glibc-check-log

which I assume tests the compiled glibc for errors. It gives the following

make[2]: *** [/sources/glibc-build/math/test-tgmath2.o] Error 1
make[1]: *** [math/tests] Error 2
make[2]: *** [/sources/glibc-build/stdio-common/test-vfprintf.out] Error 1
make[1]: *** [stdio-common/tests] Error 2
make[2]: [/sources/glibc-build/posix/annexc.out] Error 1 (ignored)
make: *** [check] Error 2

I understand the annexc error is unimportant. The other two errors I know nothing about. My PC is old - a 750Mhz Duron - would that cause the
mathematical error? Can it be disregarded?

The vfprintf.out error is a mystery to me. In any case, the errors interrupted the make command such that it could not complete.

Advice from anyone please?

Even though I am building LFS 6.4, the host system is actually a frugal
install of the LFS 6.3 liveCD, which I assume is sufficient.

Thank you.
Old 05-22-2009, 02:53 PM   #2
Registered: Apr 2009
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It seems that certain tests didn't get compiled. Did building proceed otherwise, or did it break due to the failed tests?
Failed test applications do not necessarily mean that the glib libraries themselves didn't get built - though it would be obviously better if both would succeed. Building glibc from sources is quite often a nasty experience.

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Last edited by soleilarw; 06-18-2009 at 05:09 AM.
Old 05-23-2009, 09:11 PM   #3
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The actual build of the glibc went okay. No error messages were evident. My impression is that it broke due to the failed tests.

Yes, I gather that compiling glibc can be problematic. But how else do we learn? If I get truly stuck, I may try to build LFS 6.3 instead, and see if this problem just goes away...
Old 05-27-2009, 10:34 PM   #4
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----- Solution ----

When I startup the host system, which is frugal install of LFS 6.3 LiveCD, it always asks me to choose my locale. I had been choosing 'English,US (ISO-8859-1)', but the aforementioned glibc test would not complete, and outputed the errors above.

But if I choose 'Default/other' instead as the locale for the host system, then the glibc test runs to completion, with only the annexc.out error, which is ignored.

So there it is, problem solved. Altho I'm not sure why.


error, glibc, scratch

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