Ticket #134 (closed defect: fixed)

Opened 10 years ago

Last modified 7 years ago

glibc compilation error `multiple __memcpy_chk definition`

Reported by: insecure Owned by: clfs-commits@…
Priority: major Milestone:
Component: BOOK Version:
Keywords: glibc Cc:


I'm just fiddling around with CLFS. I used the following version:
"Cross-Compiled Linux From Scratch - Version SVN-20071221-x86"
HOST and TARGET environment variables are:
The host system is a 64bit gentoo without multilib.

Everything went fine until the compilation of glibc in chapter 5. Then I got errors from make telling me about multiple __memcpy_chk definition and multiple __memset_chk definition.

I found the solution to this "behaviour" on  http://bugs.gentoo.org/show_bug.cgi?id=199479 . The same bug. It seems like it is an i586-only problem. I applied the patch from here:  http://sources.gentoo.org/viewcvs.py/gentoo/src/patchsets/glibc/2.7/0040_all_glibc-i586-chk.patch?rev=1.1 with

cd /mnt/lfs/sources/glibc-2.7
patch -Np0 -i ../0040_all_glibc-i586-chk.patch

Then compiled again and it worked. (I repeated the glibc part completely to be sure to have a clean source tree.)


0040_all_glibc-i586-chk.patch Download (1.2 KB) - added by insecure 10 years ago.
glibc 2.7 memcpy_chk memset_chk patch

Change History

Changed 10 years ago by insecure

glibc 2.7 memcpy_chk memset_chk patch

comment:1 Changed 10 years ago by jciccone

Although it looks like you stumbled across a nice error that needs to be addressed. I can tell you already that this build will not work by the book if you follow the chroot method. I'm really getting sick of explaining this so I think it's time something goes in the book. Everything in /tools will get compiled for $CLFS_TARGET, but the final system is compiled for the output of config.guess, unless you want to specifically specify i586-pc-linux-gnu for everything. config.guess gets its cpu information from uname, which in turn gets it from the kernel, easist way to get around this, load a uname hack module into the kernel which changes the uts machine type to whatever you want. You can find an up to date version at.


comment:2 Changed 10 years ago by jciccone

  • Status changed from new to closed
  • Resolution set to fixed

fixed in r3885

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