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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 10-07-2011, 04:56 AM   #1
eliadk
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Registered: Nov 2010
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LFS Book 6.8 Chapter 6.10 Re-adjusting the toolchain


Hi there,


i'm trying to build this thing but i'm stuck in this particular chapter...

after executing the command :

readelf -l a.out | grep ': /lib'

i get the error:

readelf: Error: 'a.out' : no such file


how can i post the dummy.log , i'm using the live-cd and inside the chroot environment i can't mount a usb... and it's an other computer...

(off the record: dummy log says it 's unable to open libgcc_s.so and libgcc_s.sa mostly)


Thanks in advance!
 
Old 10-07-2011, 05:10 AM   #2
druuna
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Hi,
Quote:
Originally Posted by eliadk View Post
how can i post the dummy.log , i'm using the live-cd and inside the chroot environment i can't mount a usb... and it's an other computer...
You don't need to be inside the chrooted environment. Mount the USB stick outside the chrooted environment and copy the log file to it.

If the log file is at the following location (seen from inside the chrooted env): /sources, it should be accessable from outside by prepending $LFS to that path (assuming LFS=/mnt/lfs): /mnt/lfs/sources

I'm not going into the actual error just now, we do need specifics which are inside the log file.

Hope this helps.
 
Old 10-07-2011, 07:44 AM   #3
eliadk
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I finally found a way without usb

this are the contents of dummy.log

Quote:
Reading specs from /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/specs
COLLECT_GCC=cc
COLLECT_LTO_WRAPPER=/tools/libexec/gcc/i686-pc-linux-gnu/4.5.2/lto-wrapper
Target: i686-pc-linux-gnu
Configured with: ./configure --prefix=/tools --with-local-prefix=/tools --enable-clocale=gnu --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-languages=c,c++ --disable-libstdcxx-pch --disable-multilib --disable-bootstrap --disable-libgomp --with-gmp-include=/mnt/lfs/sources/gcc-4.5.2/gmp --with-gmp-lib=/mnt/lfs/sources/gcc-4.5.2/gmp/.libs --without-ppl --without-cloog
Thread model: posix
gcc version 4.5.2 (GCC)
COLLECT_GCC_OPTIONS='-v' '-mtune=generic' '-march=pentiumpro'
/tools/libexec/gcc/i686-pc-linux-gnu/4.5.2/cc1 -quiet -v -isystem /usr/include dummy.c -quiet -dumpbase dummy.c -mtune=generic -march=pentiumpro -auxbase dummy -version -o /tmp/ccYIC0Fg.s
GNU C (GCC) version 4.5.2 (i686-pc-linux-gnu)
compiled by GNU C version 4.5.2, GMP version 5.0.1, MPFR version 3.0.0, MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
ignoring nonexistent directory "/tools/lib/gcc/i686-pc-linux-gnu/4.5.2/../../../../i686-pc-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/include
/tools/include
/tools/lib/gcc/i686-pc-linux-gnu/4.5.2/include
/tools/lib/gcc/i686-pc-linux-gnu/4.5.2/include-fixed
End of search list.
GNU C (GCC) version 4.5.2 (i686-pc-linux-gnu)
compiled by GNU C version 4.5.2, GMP version 5.0.1, MPFR version 3.0.0, MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: b4f0e6ede0e90024ed376e32bcdff477
COLLECT_GCC_OPTIONS='-v' '-mtune=generic' '-march=pentiumpro'
/tools/lib/gcc/i686-pc-linux-gnu/4.5.2/../../../../i686-pc-linux-gnu/bin/as -V -Qy --32 -o /tmp/ccRZfhnU.o /tmp/ccYIC0Fg.s
GNU assembler version 2.21 (i686-pc-linux-gnu) using BFD version (GNU Binutils) 2.21
COMPILER_PATH=/tools/libexec/gcc/i686-pc-linux-gnu/4.5.2/:/tools/libexec/gcc/i686-pc-linux-gnu/4.5.2/:/tools/libexec/gcc/i686-pc-linux-gnu/:/tools/lib/gcc/i686-pc-linux-gnu/4.5.2/:/tools/lib/gcc/i686-pc-linux-gnu/:/tools/lib/gcc/i686-pc-linux-gnu/4.5.2/../../../../i686-pc-linux-gnu/bin/
LIBRARY_PATH=/tools/lib/gcc/i686-pc-linux-gnu/4.5.2/:/tools/lib/gcc/i686-pc-linux-gnu/4.5.2/../../../../i686-pc-linux-gnu/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-v' '-mtune=generic' '-march=pentiumpro'
/tools/libexec/gcc/i686-pc-linux-gnu/4.5.2/collect2 --eh-frame-hdr -m elf_i386 -dynamic-linker /lib/ld-linux.so.2 /usr/lib/crt1.o /usr/lib/crti.o /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/crtbegin.o -L/tools/lib/gcc/i686-pc-linux-gnu/4.5.2 -L/tools/lib/gcc/i686-pc-linux-gnu/4.5.2/../../../../i686-pc-linux-gnu/lib /tmp/ccRZfhnU.o --verbose -lgcc --as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s --no-as-needed /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/crtend.o /usr/lib/crtn.o
GNU ld (GNU Binutils) 2.21
Supported emulations:
elf_i386
i386linux
using internal linker script:
==================================================
/* Script for -z combreloc: combine and sort reloc sections */
OUTPUT_FORMAT("elf32-i386", "elf32-i386",
"elf32-i386")
OUTPUT_ARCH(i386)
ENTRY(_start)
SEARCH_DIR("/tools/i686-pc-linux-gnu/lib"); SEARCH_DIR("usr/lib"); SEARCH_DIR("/lib");
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==================================================
attempt to open /usr/lib/crt1.o succeeded
/usr/lib/crt1.o
attempt to open /usr/lib/crti.o succeeded
/usr/lib/crti.o
attempt to open /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/crtbegin.o succeeded
/tools/lib/gcc/i686-pc-linux-gnu/4.5.2/crtbegin.o
attempt to open /tmp/ccRZfhnU.o succeeded
/tmp/ccRZfhnU.o
attempt to open /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/libgcc.so failed
attempt to open /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/libgcc.a succeeded
attempt to open /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/libgcc_s.so failed
attempt to open /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/libgcc_s.a failed
attempt to open /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/../../../../i686-pc-linux-gnu/lib/libgcc_s.so failed
attempt to open /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/../../../../i686-pc-linux-gnu/lib/libgcc_s.a failed
attempt to open /tools/i686-pc-linux-gnu/lib/libgcc_s.so failed
attempt to open /tools/i686-pc-linux-gnu/lib/libgcc_s.a failed
attempt to open usr/lib/libgcc_s.so failed
attempt to open usr/lib/libgcc_s.a failed
attempt to open /lib/libgcc_s.so failed
attempt to open /lib/libgcc_s.a failed
attempt to open /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/libc.so failed
attempt to open /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/libc.a failed
attempt to open /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/../../../../i686-pc-linux-gnu/lib/libc.so failed
attempt to open /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/../../../../i686-pc-linux-gnu/lib/libc.a failed
attempt to open /tools/i686-pc-linux-gnu/lib/libc.so failed
attempt to open /tools/i686-pc-linux-gnu/lib/libc.a failed
attempt to open usr/lib/libc.so failed
attempt to open usr/lib/libc.a failed
attempt to open /lib/libc.so failed
attempt to open /lib/libc.a failed
attempt to open /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/libgcc.so failed
attempt to open /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/libgcc.a succeeded
attempt to open /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/libgcc_s.so failed
attempt to open /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/libgcc_s.a failed
attempt to open /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/../../../../i686-pc-linux-gnu/lib/libgcc_s.so failed
attempt to open /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/../../../../i686-pc-linux-gnu/lib/libgcc_s.a failed
attempt to open /tools/i686-pc-linux-gnu/lib/libgcc_s.so failed
attempt to open /tools/i686-pc-linux-gnu/lib/libgcc_s.a failed
attempt to open usr/lib/libgcc_s.so failed
attempt to open usr/lib/libgcc_s.a failed
attempt to open /lib/libgcc_s.so failed
attempt to open /lib/libgcc_s.a failed
attempt to open /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/crtend.o succeeded
/tools/lib/gcc/i686-pc-linux-gnu/4.5.2/crtend.o
attempt to open /usr/lib/crtn.o succeeded
/usr/lib/crtn.o/tools/lib/gcc/i686-pc-linux-gnu/4.5.2/../../../../i686-pc-linux-gnu/bin/ld: cannot find -lgcc_s
/tools/lib/gcc/i686-pc-linux-gnu/4.5.2/../../../../i686-pc-linux-gnu/bin/ld: cannot find -lc
/tools/lib/gcc/i686-pc-linux-gnu/4.5.2/../../../../i686-pc-linux-gnu/bin/ld: cannot find -lgcc_s
collect2: ld returned 1 exit status


Thanks in advance!
 
Old 10-07-2011, 07:52 AM   #4
druuna
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Registered: Sep 2003
Posts: 10,532
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Hi,

The usr/lib/xyz entries look suspicious, they seem to be missing a leading / (usr/lib/ vs /usr/lib/).

I'm guessing you made a typo (bold part) in the following command:
Code:
gcc -dumpspecs | sed -e 's@/tools@@g' \
    -e '/\*startfile_prefix_spec:/{n;s@.*@/usr/lib/ @}' \
    -e '/\*cpp:/{n;s@$@ -isystem /usr/include@}' > \
    `dirname $(gcc --print-libgcc-file-name)`/specs
Hope this helps.
 
Old 10-07-2011, 08:04 AM   #5
eliadk
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Registered: Nov 2010
Posts: 16

Original Poster
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i didn't make a typo i triple-checked i copy paste the command i gave from the terminal...

Quote:
gcc -dumpspecs | sed -e 's@/tools@@g' -e '/\*startfile_prefix_spec:/{n;s@.*@/usr/lib/ @}' -e '/\*cpp:/{n;s@$@ -isystem /usr/include@}' > `dirname $(gcc --print-libgcc-file-name)`/specs
and these are the contents of /usr/lib

Quote:
root:/sources/glibc-build# ls -la /usr/lib
total 21308
drwxr-xr-x 5 root root 4096 Oct 7 04:59 .
drwxr-xr-x 10 root root 4096 Oct 6 03:21 ..
-rw-r--r-- 1 root root 826 Oct 6 10:28 Mcrt1.o
-rw-r--r-- 1 root root 2966 Oct 6 10:28 Scrt1.o
-rw-r--r-- 1 root root 2892 Oct 6 10:28 crt1.o
-rw-r--r-- 1 root root 1040 Oct 6 10:28 crti.o
-rw-r--r-- 1 root root 756 Oct 6 10:28 crtn.o
drwxr-xr-x 2 root root 12288 Oct 6 10:28 gconv
-rw-r--r-- 1 root root 4652 Oct 6 10:28 gcrt1.o
drwxr-xr-x 3 root root 4096 Oct 6 10:30 glibc
-rw-r--r-- 1 root root 15022 Oct 6 10:28 libBrokenLocale.a
lrwxrwxrwx 1 root root 30 Oct 6 10:28 libBrokenLocale.so -> ../../lib/libBrokenLocale.so.1
-rw-r--r-- 1 root root 91784 Oct 6 10:30 libanl.a
lrwxrwxrwx 1 root root 21 Oct 6 10:30 libanl.so -> ../../lib/libanl.so.1
-rw-r--r-- 1 root root 2098 Oct 6 10:29 libbsd-compat.a
-rw-r--r-- 1 root root 16474234 Oct 6 10:27 libc.a
-rw-r--r-- 1 root root 238 Oct 6 10:28 libc.so
-rw-r--r-- 1 root root 53074 Oct 6 10:27 libc_nonshared.a
lrwxrwxrwx 1 root root 22 Oct 6 10:30 libcidn.so -> ../../lib/libcidn.so.1
-rw-r--r-- 1 root root 185876 Oct 6 10:29 libcrypt.a
lrwxrwxrwx 1 root root 23 Oct 6 10:29 libcrypt.so -> ../../lib/libcrypt.so.1
-rw-r--r-- 1 root root 33802 Oct 6 10:29 libdl.a
lrwxrwxrwx 1 root root 20 Oct 6 10:29 libdl.so -> ../../lib/libdl.so.2
-rw-r--r-- 1 root root 2098 Oct 6 10:29 libg.a
-rw-r--r-- 1 root root 121203 Oct 7 04:59 libgcc_s.so
-rw-r--r-- 1 root root 121203 Oct 7 04:59 libgcc_s.so.1
-rw-r--r-- 1 root root 1876 Oct 6 10:28 libieee.a
-rw-r--r-- 1 root root 1375870 Oct 6 10:28 libm.a
lrwxrwxrwx 1 root root 19 Oct 6 10:28 libm.so -> ../../lib/libm.so.6
-rw-r--r-- 1 root root 8728 Oct 6 10:29 libmcheck.a
-rw-r--r-- 1 root root 852970 Oct 6 10:30 libnsl.a
lrwxrwxrwx 1 root root 21 Oct 6 10:30 libnsl.so -> ../../lib/libnsl.so.1
lrwxrwxrwx 1 root root 28 Oct 6 10:30 libnss_compat.so -> ../../lib/libnss_compat.so.2
lrwxrwxrwx 1 root root 25 Oct 6 10:30 libnss_dns.so -> ../../lib/libnss_dns.so.2
lrwxrwxrwx 1 root root 27 Oct 6 10:30 libnss_files.so -> ../../lib/libnss_files.so.2
lrwxrwxrwx 1 root root 28 Oct 6 10:30 libnss_hesiod.so -> ../../lib/libnss_hesiod.so.2
lrwxrwxrwx 1 root root 25 Oct 6 10:30 libnss_nis.so -> ../../lib/libnss_nis.so.2
lrwxrwxrwx 1 root root 29 Oct 6 10:30 libnss_nisplus.so -> ../../lib/libnss_nisplus.so.2
-rw-r--r-- 1 root root 1289342 Oct 6 10:30 libpthread.a
-rw-r--r-- 1 root root 216 Oct 6 10:30 libpthread.so
-rw-r--r-- 1 root root 3412 Oct 6 10:30 libpthread_nonshared.a
-rw-r--r-- 1 root root 463386 Oct 6 10:30 libresolv.a
lrwxrwxrwx 1 root root 24 Oct 6 10:30 libresolv.so -> ../../lib/libresolv.so.2
-rw-r--r-- 1 root root 244774 Oct 6 10:30 librpcsvc.a
-rw-r--r-- 1 root root 275320 Oct 6 10:30 librt.a
lrwxrwxrwx 1 root root 20 Oct 6 10:30 librt.so -> ../../lib/librt.so.1
lrwxrwxrwx 1 root root 23 Oct 6 03:27 libstdc++.so -> /tools/lib/libstdc++.so
lrwxrwxrwx 1 root root 25 Oct 6 03:27 libstdc++.so.6 -> /tools/lib/libstdc++.so.6
lrwxrwxrwx 1 root root 27 Oct 6 10:30 libthread_db.so -> ../../lib/libthread_db.so.1
-rw-r--r-- 1 root root 29708 Oct 6 10:30 libutil.a
lrwxrwxrwx 1 root root 22 Oct 6 10:30 libutil.so -> ../../lib/libutil.so.1
drwxr-xr-x 2 root root 4096 Oct 7 02:31 locale
root:/sources/glibc-build#

i will smash it in the end...lol
 
Old 10-07-2011, 08:13 AM   #6
druuna
LQ Veteran
 
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Hi,
Quote:
Originally Posted by eliadk View Post
i didn't make a typo i triple-checked i copy paste the command i gave from the terminal...

and these are the contents of /usr/lib
As you might have seen, the file that is looked for _is_ present in /usr/lib and the output of the dummy file does _not_ look in /usr/lib but in a none existing usr/lib directory. I do assume that the ls -la /usr/lib command is given inside the chrooted environment.

Whatever the reason, something went wrong with the gcc -dumpspecs | sed ... step (only place something is done with /usr/lib).
 
Old 10-07-2011, 08:20 AM   #7
eliadk
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yes the command was given inside the chroot environment...

the command i gave is right eh? what can i do to fix that so it will look inside the /usr/lib directory even though the command is right...

Where else could /usr/lib be involved before that?
 
Old 10-07-2011, 09:01 AM   #8
druuna
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Hi,

Can you post the content of the specs file? This one: /tools/lib/gcc/i686-pc-linux-gnu/4.5.2/specs

Last edited by druuna; 10-07-2011 at 09:03 AM.
 
Old 10-08-2011, 03:42 AM   #9
eliadk
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yes i will on monday or tuesday when i go to work , thank you very much!!
 
Old 10-10-2011, 04:46 AM   #10
eliadk
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Hi druuna ,

i tried to compile glibc again but i encountered a problem concerning libc_cv_forced_unwind=no error , i didn't know what it was
so i decided to go all over the build again this time by copy pasting the commands in case of a typo error....

(Now that i'm building again i kinda understood what it was but hey! Isn't the purpose to learn ? So i'm learning... When i reach this chapter i will let you know (I'm in Chapter 5.7 now...)

Thanks for the help and i will come back to this (I hope not!!! haha)
 
Old 10-11-2011, 04:50 AM   #11
eliadk
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Since After the new build the system passed the test so everything continues ok...

Thank you for your help
 
  


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