为什么无法开启NPTL呢？

chen1960

1. localhost ~ # ACCEPT_KEYWORDS="~x86" USE="nptl nptlonly" eix -p glibc
   
2. [i] sys-libs/glibc
   
3.      Available versions:  (2.2)  2.2.5-r10 2.3.2-r12 2.3.3.20040420-r2 (~)2.3.4.20040619-r2 2.3.4.20040808-r1 2.3.4.20041102-r1 *2.3.4.20041102-r2 (~)2.3.4.20050125-r1 2.3.5-r2 2.3.5-r3 2.3.6-r3 2.3.6-r4 2.3.6-r5 2.4-r3 2.4-r4 (~)2.5
   
4.      Installed:           2.5(2.2)(12:21:06 PM 02/06/2007)(-build -glibc-compat20 -glibc-omitfp -hardened -multilib nls -nptl -nptlonly -profile -selinux)
   
5.      Homepage:            http://www.gnu.org/software/libc/libc.html
   
6.      Description:         GNU libc6 (also called glibc2) C library
   

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1. 
   
2. localhost ~ # /lib/libc.so.6
   
3. GNU C Library stable release version 2.5, by Roland McGrath et al.
   
4. Copyright (C) 2006 Free Software Foundation, Inc.
   
5. This is free software; see the source for copying conditions.
   
6. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
   
7. PARTICULAR PURPOSE.
   
8. Compiled by GNU CC version 4.1.1 (Gentoo 4.1.1-r3).
   
9. Compiled on a Linux 2.6.17 system on 2007-02-06.
   
10. Available extensions:
    
11.         C stubs add-on version 2.1.2
    
12.         crypt add-on version 2.1 by Michael Glad and others
    
13.         Gentoo patchset 1.3
    
14.         GNU Libidn by Simon Josefsson
    
15.         GNU libio by Per Bothner
    
16.         linuxthreads-0.10 by Xavier Leroy
    
17.         libthread_db work sponsored by Alpha Processor Inc
    
18.         NIS(YP)/NIS+ NSS modules 0.19 by Thorsten Kukuk
    
19.         Support for some architectures added on, not maintained in glibc core.
    
20.         BIND-8.2.3-T5B
    
21. Thread-local storage support included.
    
22. For bug reporting instructions, please see:
    
23. <http://www.gnu.org/software/libc/bugs.html>.
    

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1. localhost ~ # cat /etc/make.conf
   
2. # These settings were set by the catalyst build script that automatically built this stage
   
3. # Please consult /etc/make.conf.example for a more detailed example
   
4. CFLAGS="-march=nocona -O2 -pipe -fomit-frame-pointer -finline-functions"
   
5. #CFLAGS="-march=nocona -O2 -pipe -fomit-frame-pointer"
   
6. CHOST="i686-pc-linux-gnu"
   
7. CXXFLAGS="${CFLAGS}"
   
8. LDFLAGS="-Wl,-O1"
   
9. MAKEOPTS="-j3"
   
10. AUTOCLEAN="yes"
    
11. PORTDIR_OVERLAY="/usr/local/layman/xeffects /usr/local/layman/xeffects-experimental /usr/local/portage"
    
12. GENTOO_MIRRORS="http://mirror.switch.ch/ftp/mirror/gentoo http://mirror.pacific.net.au/linux/Gentoo http://ftp.twaren.net/Linux/Gentoo http://mirror.gentoo.gr.jp http://gentoo.osuosl.org"
    
13. #GENTOO_MIRRORS=" http://ftp.twaren.net/Linux/Gentoo http://mirror.gentoo.gr.jp http://gentoo.osuosl.org"
    
14. #SYNC="rsync://gentoo.prz.rzeszow.pl/gentoo"
    
15. ALSA_CARDS="emu10k1 hda-intel"
    
16. FEATURES="parallel-fetch"
    
17. USE="glitz svg userlocales pdf 3dnow X a52 aac aalib acpi alsa apm  avi dbus divx4linux bitmap-fonts blas berkdb bonobo breakme cdr cjk crypt cairo cscope cups directfb dbus dvb dvdr dvdread encode esd faad flac ffmpeg foomaticdb gdbm gif gnome gnome2 gpm gstreamer gtk gtk2 gtkhtml immqt-bc imlib java jpeg nvidia-card kde ldap libg++ libwww mad mikmod mmx motfi mpeg mysql nas ncurses nls oggvoribs opengl oss pdflib perl python qt3 quicktime readline ruby samba pam sdl slang scanner spell sockets stats ssl svga vorbis win32coders wxwindows xvid truetype-fonts type1-fonts usb v4l png tcltk tcpd tetex truetype x86 xine xml2 xinerama xv zlib fortran gcj hal iconv ieee1394 imagemagick ipv6 libcaca mikmod mono mp3 nptl nptlonly unicode "
    

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l

1. ocalhost ~ # uname -a
   
2. Linux localhost 2.6.18-gentoo-r6 #1 SMP Sun Feb 4 01:26:45 CST 2007 i686 Intel(R) Core(TM)2 CPU          6300  @ 1.86GHz GenuineIntel GNU/Linux
   

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今天编译了三遍GLIBC，前两次只是emergc glibc,编译的2.3.6-R6版的，三次结果都 一样都没有启用NPTL
怎么了？

zhllg

ls -ld /etc/make.profile

chen1960

明白了，多谢班大。