求助：编译glibc打开ntpl问题

ldh168

呵呵！应该是拼错的问题。ntpl应改为nptl，这是重新编译后执行/lib/libc.so.6的结果：
GNU C Library 20040808 release version 2.3.4, by Roland McGrath et al.
Copyright (C) 2004 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
Compiled by GNU CC version 3.3.3 20040412 (Gentoo Linux 3.3.3-r6, ssp-3.3.2-2, pie-8.7.6).
Compiled on a Linux 2.6.8 system on 2004-11-01.
Available extensions:
        GNU libio by Per Bothner
        crypt add-on version 2.1 by Michael Glad and others
        Native POSIX Threads Library by Ulrich Drepper et al
        BIND-8.2.3-T5B
        NIS(YP)/NIS+ NSS modules 0.19 by Thorsten Kukuk
Thread-local storage support included.
For bug reporting instructions, please see:
<http://www.gnu.org/software/libc/bugs.html>.
麻烦各位了，谢谢！

Debentoo Gao

这不是成功了吗？呵呵。

subltam

好象有些人的glibc是linuxthreads和nptl都有，为什么要搞成两个都有呢？这样的话系统会优先用哪一个呢？

subltam

想知道，谁能告诉我啊？

kohno

最初由 subltam 发表
好象有些人的glibc是linuxthreads和nptl都有，为什么要搞成两个都有呢？这样的话系统会优先用哪一个呢？

你在哪看到两个都有啊？照理应该只会有一个的。

subltam

最初由 kohno 发表
你在哪看到两个都有啊？照理应该只会有一个的。

也许我说错了，应该是安装了两个glibc吧！

其实现在的glibc安装的时候一般是给你安装了两个版本，nptl的在/lib/tls目录下
你执行/lib/tls/libc.so.6就可以看到了

ldh168

现在最新的glibc有一个变量nptlonly，加入以后就只编译一个了。

阿罗

!nptlonly
* Warning! Gentoo's GLIBC with NPTL enabled now behaves like the
* glibc from almost every other distribution out there. This means
* that glibc is compiled -twice-, once with linuxthreads and once
* with nptl. The NPTL version is installed to lib/tls and is still
* used by default. If you do not need nor want the linuxthreads
* fallback, you can disable this behavior by adding nptlonly to
* USE to save yourself some compile time.

waifboy

当你想用 nptl 选项给你的系统的时候, 你的glibc 需要一般编译两次, 第一次编译是glibc 和linux26-headers的编译, 第二次编译是glibc 和nptl的编译. 只有编译了两次, 你的nptl 才起作用.

阿罗

现在我的是这样的了

1. localhost portage # /lib/libc.so.6
   
2. GNU C Library 20041102 release version 2.3.4, by Roland McGrath et al.
   
3. Copyright (C) 2004 Free Software Foundation, Inc.
   
4. This is free software; see the source for copying conditions.
   
5. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
   
6. PARTICULAR PURPOSE.
   
7. Compiled by GNU CC version 3.4.3  (Gentoo Linux 3.4.3, ssp-3.4.3-0, pie-8.7.6.6).
   
8. Compiled on a Linux 2.6.8 system on 2004-11-09.
   
9. Available extensions:
   
10.         GNU libio by Per Bothner
    
11.         crypt add-on version 2.1 by Michael Glad and others
    
12.         linuxthreads-0.10 by Xavier Leroy
    
13.         The C stubs add-on version 2.1.2.
    
14.         GNU Libidn by Simon Josefsson
    
15.         BIND-8.2.3-T5B
    
16.         libthread_db work sponsored by Alpha Processor Inc
    
17.         NIS(YP)/NIS+ NSS modules 0.19 by Thorsten Kukuk
    
18. Thread-local storage support included.

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1. localhost portage # /lib/tls/libc.so.6
   
2. GNU C Library 20041102 release version 2.3.4, by Roland McGrath et al.
   
3. Copyright (C) 2004 Free Software Foundation, Inc.
   
4. This is free software; see the source for copying conditions.
   
5. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
   
6. PARTICULAR PURPOSE.
   
7. Compiled by GNU CC version 3.4.3  (Gentoo Linux 3.4.3, ssp-3.4.3-0, pie-8.7.6.6).
   
8. Compiled on a Linux 2.6.8 system on 2004-11-09.
   
9. Available extensions:
   
10.         GNU libio by Per Bothner
    
11.         crypt add-on version 2.1 by Michael Glad and others
    
12.         Native POSIX Threads Library by Ulrich Drepper et al
    
13.         The C stubs add-on version 2.1.2.
    
14.         GNU Libidn by Simon Josefsson
    
15.         BIND-8.2.3-T5B
    
16.         NIS(YP)/NIS+ NSS modules 0.19 by Thorsten Kukuk
    
17. Thread-local storage support included.

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