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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 08-31-2013, 09:13 AM   #1
Keith Hedger
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Possible oddness with 7.4rc1


built and booted t4.4rc1 seems ok but going back over some logs I found that the dummy.log created at

http://www.linuxfromscratch.org/lfs/...adjusting.html

Gives some odd results like so:
Code:
[Requesting program interpreter: /lib64/ld-linux-x86-64.so.2]
/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../lib64/crt1.o succeeded
/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../lib64/crti.o succeeded
/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../lib64/crtn.o succeeded
 /usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/include-fixed
 /usr/include
SEARCH_DIR("/usr/x86_64-unknown-linux-gnu/lib64")
SEARCH_DIR("/usr/local/lib64")
SEARCH_DIR("/lib64")
SEARCH_DIR("/usr/lib64")
SEARCH_DIR("/usr/x86_64-unknown-linux-gnu/lib")
SEARCH_DIR("/usr/local/lib")
SEARCH_DIR("/lib")
SEARCH_DIR("/usr/lib");
attempt to open /lib64/libc.so.6 succeeded
found ld-linux-x86-64.so.2 at /lib64/ld-linux-x86-64.so.2
There seems to be no cross contamination with the host but some stuff seems to be in odd places according to the logfile I have checked and crt* are in /usr/lib where they should be, is this a problem or just genereal weirdness?
 
Old 08-31-2013, 01:11 PM   #2
re_nelson
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Location: Texas, USA
Distribution: LFS-SVN, Gentoo~amd64, CentOS-7, Slackware64-current, FreeBSD-11.1, Arch
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Quote:
Originally Posted by Keith Hedger View Post
built and booted t4.4rc1 seems ok but going back over some logs I found that the dummy.log created at

http://www.linuxfromscratch.org/lfs/...adjusting.html

Gives some odd results like so:
Code:
[Requesting program interpreter: /lib64/ld-linux-x86-64.so.2]
/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../lib64/crt1.o succeeded
/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../lib64/crti.o succeeded
/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../lib64/crtn.o succeeded
There seems to be no cross contamination with the host but some stuff seems to be in odd places according to the logfile I have checked and crt* are in /usr/lib where they should be, is this a problem or just genereal weirdness?
What does readlink -f /usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../lib64/crtn.o show?
 
Old 08-31-2013, 02:36 PM   #3
Keith Hedger
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The link points to the correct place ie /usr/lib/crtn.o
As I said it all seems to be working and I am now building Xorg fine ( in chroot ), I don't see why these somwhat odd paths seem to be there.
 
Old 08-31-2013, 02:48 PM   #4
re_nelson
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Quote:
Originally Posted by Keith Hedger View Post
The link points to the correct place ie /usr/lib/crtn.o
As I said it all seems to be working and I am now building Xorg fine ( in chroot ), I don't see why these somwhat odd paths seem to be there.
For quite some time, the GNU Compiler Collection has used the "indirection" of paths to resolve the location of object and library files. See the output of gcc -print-search-dirs for the extensive use of "double-dot" paths.
 
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Old 08-31-2013, 04:00 PM   #5
Keith Hedger
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I get
Code:
install: /usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/
programs: =/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/:/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/:/usr/lib/gcc/x86_64-unknown-linux-gnu/:/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/:/usr/lib/gcc/x86_64-unknown-linux-gnu/:/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../x86_64-unknown-linux-gnu/bin/x86_64-unknown-linux-gnu/4.8.1/:/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../x86_64-unknown-linux-gnu/bin/
libraries: =/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/:/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../x86_64-unknown-linux-gnu/lib/x86_64-unknown-linux-gnu/4.8.1/:/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../x86_64-unknown-linux-gnu/lib/../lib64/:/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../x86_64-unknown-linux-gnu/4.8.1/:/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../lib64/:/lib/x86_64-unknown-linux-gnu/4.8.1/:/lib/../lib64/:/usr/lib/x86_64-unknown-linux-gnu/4.8.1/:/usr/lib/../lib64/:/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../x86_64-unknown-linux-gnu/lib/:/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../:/lib/:/usr/lib/
I still don't know if I can ignore this or if it will bite me in the a*** later on, any thougts?
 
Old 08-31-2013, 04:13 PM   #6
re_nelson
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Quote:
Originally Posted by Keith Hedger View Post
I still don't know if I can ignore this or if it will bite me in the a*** later on, any thougts?
Try this to assure yourself that it's all good:

Code:
for path in $(gcc -print-search-dirs | awk '/libraries:/ { sub("=", ""); print $2 }' | tr ':' ' '); 
    do readlink -f $path; 
done | sort -u
And to really prove it, go to a known good host system using GCC 4.X.X and repeat the same command. It's normal.
 
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Old 08-31-2013, 04:59 PM   #7
Keith Hedger
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I get
Code:
/lib
/usr/lib
/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1
On both my present system and the new 7.4rc1 ( allowing for the gcc version ) so I guess that means everything's OK.

I'll mark this solved.
 
  


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