In message <[EMAIL PROTECTED]> you wrote: > > > > - @rm -f $(obj)environment.c > > > - ln -s $(src)../common/environment.c $(obj)environment.c > > > + ln -s -f $(src)../common/environment.c $(obj)environment.c > > > > Be careful here. Are you 100% sure that all systems in the field will > > behave exactly as your's is doing? > > i really dont understand what you mean. any POSIX compliant system will > behave exactly as it's supposed to: if the destination exists already, unlink > it just before creating the link.
I finally fund such a situation again. # cat /proc/version Linux version 2.6.22.14-72.fc6 ([EMAIL PROTECTED]) (gcc version 4.1.2 20070626 (Red Hat 4.1.2-13)) #1 SMP Wed Nov 21 14:10:25 EST 2007 # cat /etc/issue Fedora Core release 6 (Zod) Kernel \r on an \m # id uid=0(root) gid=0(root) groups=0(root),1(bin),2(daemon),3(sys),4(adm),6(disk),10(wheel) # cd /opt # ls -ld eldk eldk-4.2-2008-03-27 eldk-4.2-2008-04-01 lrwxrwxrwx 1 root root 19 Apr 4 04:01 eldk -> eldk-4.2-2008-03-27 drwxr-xr-x 14 root root 4096 Apr 8 23:37 eldk-4.2-2008-03-27 drwxr-xr-x 14 root root 4096 Apr 3 13:38 eldk-4.2-2008-04-01 Now we try: # ln -sf eldk-4.2-2008-04-01 eldk # echo $? 0 And what do you think we got? # ls -ld eldk eldk-4.2-2008-03-27 eldk-4.2-2008-04-01 lrwxrwxrwx 1 root root 19 Apr 4 04:01 eldk -> eldk-4.2-2008-03-27 drwxr-xr-x 14 root root 4096 Apr 14 21:27 eldk-4.2-2008-03-27 drwxr-xr-x 14 root root 4096 Apr 3 13:38 eldk-4.2-2008-04-01 This is what I mean when I say that "rm -f foo ; ln -s bar foo" is *NOT* exactly equivalent to "ln -sf bar foo". The former will always work, the latter won't. Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: [EMAIL PROTECTED] "Wagner's music is better than it sounds." - Mark Twain ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ U-Boot-Users mailing list U-Boot-Users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/u-boot-users
