Re: Ch. 6 GlibC Install Failure from Package Management--Which headers to use [Solved]

2010-07-15 Thread Dan McGhee
On 07/14/2010 04:50 PM, Andrew Benton wrote:
 On 14/07/10 20:18, Dan McGhee wrote:

 In addition to the testing failures I've documented in another thread,
 I've also had an installation failure with GlibC-2.11.2.  I know the
 cause though.  It's a result of using the More Control and Package User
 package management system.  I've encountered similar things in my
 previous builds, but this one generated a question.

 This install fails with the message:
  
 /tools/bin/install: cannot remove `/usr/include/scsi/scsi.h':
 Operation not permitted

 The reason is that in this package management system the sticky bit is
 set and one package user cannot remove or alter a file installed by
 another package user.  In this case the user linux-2.6.34-headers
 installed scsi.h.  User glibc-2.11.2 wants to remove this file and
 replace it with one of it's own.

 The GlibC install wants to install sg.h, scsi.h and scsi_ioctl.h in
 /usr/include/scsi.  There are two ways in which to get the install
 process to proceed.  The first is for me to manually remove scsi.h and
 let glibc do it's thing.  The other is for me to delete the installation
 of scsi.h from the makefile.  This is the only instance of this type of
 conflict between glibc and linux headers.

 So, my question is:  Does it make a difference which header file is in
 /usr/include/scsi or is one better than the other?  The answer to this
 question will dictate which of the two actions I will take.

  
 If you don't replace the kernel's /usr/include/scsi/scsi.h with hte one
 from glibc then you will get build failures later on. I think it was
 udev which failed? Some other things in BLFS (cdrtools?) also fail. Just
 do what a normal LFS install would do and install the glibc versions.


I just changed the name of the kernel header and now GlibC and me play 
well together.

I want to thank everyone you responded to this post--tongue in cheek or 
not. It is true that I wouldn't have encountered this if I hadn't been 
using the More Control package management. This situation is one of the 
things it's designed to identify. And I really learned a lot especially 
about which headers go where and how things link to them. So, thanks to 
all again.

I did have occasion to use a find | cpio combo that I really like. It 
might be useful to others. I'll start another thread with it so that the 
command itself is not hidden and obscure during a search.

Dan
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Ch. 6 GlibC Install Failure from Package Management--Which headers to use

2010-07-14 Thread Dan McGhee
In addition to the testing failures I've documented in another thread, 
I've also had an installation failure with GlibC-2.11.2.  I know the 
cause though.  It's a result of using the More Control and Package User 
package management system.  I've encountered similar things in my 
previous builds, but this one generated a question.

This install fails with the message:
 /tools/bin/install: cannot remove `/usr/include/scsi/scsi.h': 
 Operation not permitted

The reason is that in this package management system the sticky bit is 
set and one package user cannot remove or alter a file installed by 
another package user.  In this case the user linux-2.6.34-headers 
installed scsi.h.  User glibc-2.11.2 wants to remove this file and 
replace it with one of it's own.

The GlibC install wants to install sg.h, scsi.h and scsi_ioctl.h in 
/usr/include/scsi.  There are two ways in which to get the install 
process to proceed.  The first is for me to manually remove scsi.h and 
let glibc do it's thing.  The other is for me to delete the installation 
of scsi.h from the makefile.  This is the only instance of this type of 
conflict between glibc and linux headers.

So, my question is:  Does it make a difference which header file is in 
/usr/include/scsi or is one better than the other?  The answer to this 
question will dictate which of the two actions I will take.

Thanks,
Dan



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Re: Ch. 6 GlibC Install Failure from Package Management--Which headers to use

2010-07-14 Thread Ken Moffat
On 14 July 2010 20:18, Dan McGhee beesn...@grm.net wrote:


 The GlibC install wants to install sg.h, scsi.h and scsi_ioctl.h in
 /usr/include/scsi.  There are two ways in which to get the install
 process to proceed.  The first is for me to manually remove scsi.h and
 let glibc do it's thing.  The other is for me to delete the installation
 of scsi.h from the makefile.  This is the only instance of this type of
 conflict between glibc and linux headers.

 So, my question is:  Does it make a difference which header file is in
 /usr/include/scsi or is one better than the other?  The answer to this
 question will dictate which of the two actions I will take.

 If you weren't using the package users hint, the problem would not
arise.  Therefore we can assume that allowing the kernel's headers
to be installed is the well-tested choice.

 In the sense that LFS is your distro, your rules you are, of course,
free to do things differently.  I've no idea *which* packages in a
fully-built system use these particular headers (probably, not much
in LFS itself).  Taking a look at the two sets of headers, they aren't
*that* different, so it is possible that both *might* work.

ĸen
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Re: Ch. 6 GlibC Install Failure from Package Management--Which headers to use

2010-07-14 Thread Dan McGhee
On 07/14/2010 02:33 PM, Ken Moffat wrote:

   If you weren't using the package users hint, the problem would not
 arise.  Therefore we can assume that allowing the kernel's headers
 to be installed is the well-tested choice.

You are absolutely right, but I would not characterize it as a problem, 
but something to be considered and about which to make a decision.  In 
fact, it's the reason I posted.  Using only the instructions in the LFS 
book, this header file would be replaced three times--which may be the 
answer to the questions.  It's first installed by the linux ABI headers 
in Ch. 6 and then by GlibC in Ch. 6.  Then it would be replaced again 
when the kernel was compiled and installed.  So maybe the answer is just 
to use the kernel version.
   In the sense that LFS is your distro, your rules you are, of course,
 free to do things differently.  I've no idea *which* packages in a
 fully-built system use these particular headers (probably, not much
 in LFS itself).  Taking a look at the two sets of headers, they aren't
 *that* different, so it is possible that both *might* work.

Duh!  Occam's Razor again!!! My bad.  I ran diff on the two files and 
if volume is the measure, there's a whole lot more to the kernelt 
version.  But your suggestion is great.  I could patch one of the files, 
and, if it were overwritten by the kernel installation, replace it with 
the patched version.

Thanks, Ken
Dan
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Re: Ch. 6 GlibC Install Failure from Package Management--Which headers to use

2010-07-14 Thread Andrew Benton
On 14/07/10 20:18, Dan McGhee wrote:
 In addition to the testing failures I've documented in another thread,
 I've also had an installation failure with GlibC-2.11.2.  I know the
 cause though.  It's a result of using the More Control and Package User
 package management system.  I've encountered similar things in my
 previous builds, but this one generated a question.

 This install fails with the message:
 /tools/bin/install: cannot remove `/usr/include/scsi/scsi.h':
 Operation not permitted

 The reason is that in this package management system the sticky bit is
 set and one package user cannot remove or alter a file installed by
 another package user.  In this case the user linux-2.6.34-headers
 installed scsi.h.  User glibc-2.11.2 wants to remove this file and
 replace it with one of it's own.

 The GlibC install wants to install sg.h, scsi.h and scsi_ioctl.h in
 /usr/include/scsi.  There are two ways in which to get the install
 process to proceed.  The first is for me to manually remove scsi.h and
 let glibc do it's thing.  The other is for me to delete the installation
 of scsi.h from the makefile.  This is the only instance of this type of
 conflict between glibc and linux headers.

 So, my question is:  Does it make a difference which header file is in
 /usr/include/scsi or is one better than the other?  The answer to this
 question will dictate which of the two actions I will take.

If you don't replace the kernel's /usr/include/scsi/scsi.h with hte one 
from glibc then you will get build failures later on. I think it was 
udev which failed? Some other things in BLFS (cdrtools?) also fail. Just 
do what a normal LFS install would do and install the glibc versions.

Andy
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Re: Ch. 6 GlibC Install Failure from Package Management--Which headers to use

2010-07-14 Thread Andrew Benton
On 14/07/10 21:10, Dan McGhee wrote:
 On 07/14/2010 02:33 PM, Ken Moffat wrote:

If you weren't using the package users hint, the problem would not
 arise.  Therefore we can assume that allowing the kernel's headers
 to be installed is the well-tested choice.

 You are absolutely right, but I would not characterize it as a problem,
 but something to be considered and about which to make a decision.  In
 fact, it's the reason I posted.  Using only the instructions in the LFS
 book, this header file would be replaced three times--which may be the
 answer to the questions.  It's first installed by the linux ABI headers
 in Ch. 6 and then by GlibC in Ch. 6.  Then it would be replaced again
 when the kernel was compiled and installed.
No, when you install the kernel you just install the kernel. You don't 
overwrite the headers in /usr/include. Here be monsters!

Andy
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Re: Ch. 6 GlibC Install Failure from Package Management--Which headers to use

2010-07-14 Thread Dan McGhee
On 07/14/2010 04:50 PM, Andrew Benton wrote:

 If you don't replace the kernel's /usr/include/scsi/scsi.h with hte one
 from glibc then you will get build failures later on. I think it was
 udev which failed? Some other things in BLFS (cdrtools?) also fail. Just
 do what a normal LFS install would do and install the glibc versions.

Thanks for the tip, Andy. I'm pretty sure you use More Control too. It 
helps to have someone else's experience. But..

Guess who pooched himself. Before I reinstalled glibc I mv scsi.h 
scsi.h-orig to let glibc do its thing. Then I had a complete loss of 
reality accident--that I discovered when I checked after reading your 
post--and eliminated scsi.h from the glibc makefile. As Ken might say 
*rats*. Maybe I'd better take time off this build to go outside where 
it's 99 degrees F with 94% humidity and really fry my brains.

Another guess. Guess who gets to rebuild glibc with his newly edited 
script that solved the test failure problem? Argh!

I hope everyone who reads this is getting a good laugh.

Dan
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Re: Ch. 6 GlibC Install Failure from Package Management--Which headers to use

2010-07-14 Thread Neal Murphy
On Wednesday 14 July 2010 18:07:13 Dan McGhee wrote:

 I hope everyone who reads this is getting a good laugh.

No, just chuckling and nodding knowingly. As I hobble around on my 
bullet-riddled feet. Need the t-shirt?

As long as *you* are laughing, all is well.
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Re: Ch. 6 GlibC Install Failure from Package Management--Which headers to use

2010-07-14 Thread Dan McGhee
On 07/14/2010 05:23 PM, Neal Murphy wrote:
 On Wednesday 14 July 2010 18:07:13 Dan McGhee wrote:

 I hope everyone who reads this is getting a good laugh.
  
 No, just chuckling and nodding knowingly. As I hobble around on my
 bullet-riddled feet. Need the t-shirt?

 As long as *you* are laughing, all is well.

I am now. :)
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Re: Ch. 6 GlibC Install Failure from Package Management--Which headers to use

2010-07-14 Thread Mike McCarty
Dan McGhee wrote:
 You are absolutely right, but I would not characterize it as a problem, 
 but something to be considered and about which to make a decision.  In 
 fact, it's the reason I posted.  Using only the instructions in the LFS 
 book, this header file would be replaced three times--which may be the 
 answer to the questions.  It's first installed by the linux ABI headers 
 in Ch. 6 and then by GlibC in Ch. 6.  Then it would be replaced again 
 when the kernel was compiled and installed.  So maybe the answer is just 
 to use the kernel version.

I don't think so. The header needs to describe the API actually
implemented, which is the one provided by GLIBC. I would not install
the stuff the kernel uses, since that's not what your applications
(when you build some later) will be linked against. They'll link
against GLIBC, and that's what I'd use.

Mike
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