On Sunday 20 November 2005 00:40, Henrik Nordstrom wrote: > On Fri, 18 Nov 2005, Rob Landley wrote: > > was going on. (And #2 was the case: once I found out it was the 0 length > > files, I could fix that. I didn't expect 0 length files screwing up the > > #include search paths. The #include search paths are confusing, I'm > > still a bit fuzzy on the difference between include and include2, > > actually...)
> 0-length files after patching is generally due to slightly incorrectly > formatted patches, and can screw up a lot of things. > From the patch man page: > you can remove a file by sending out a context diff that compares > the file to be deleted with an empty file dated the Epoch. The > file will be removed unless patch is conforming to POSIX and the > -E or --remove-empty-files option is not given. > A few other formats also works, but what is said above is the safest patch > format for removal of files. > If you find patches which removes files using a format not complying with > the above then it may be wise to ask the person who published the patch to > change his routines to make correctly formatted patches. On the sad side > there is a number of widespread tools not generating such patches > correctly (CVS is one.. have a cleanpatch script at devel.squid-cache.org > fixing this and a few other CVS diff -u stupidities) Hmm, quilt, git (and IIRC BitKeeper) don't comply with the above format, but they use /dev/null and it seems to work in practice. Jeff's version of quilt seems to be broken on this (he said he's using 0.32). > Regarding the include path, Compliers, make etc just searches their paths > until a file is found, no attempt in verifying the validity of the file is > made. If the found file is empty then in the input at that stage is > empty, and if the actual file which was supposed to be found is in a later > element in the search path then you get screwed. This case is a little different as I already explained... In this case the 0-lenght file, when missing, would trigger make "building it" (i.e. creating it as a symlink with correct content). -- Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!". Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ 215621894) http://www.user-mode-linux.org/~blaisorblade ___________________________________ Yahoo! Messenger: chiamate gratuite in tutto il mondo http://it.messenger.yahoo.com ------------------------------------------------------- This SF.Net email is sponsored by the JBoss Inc. Get Certified Today Register for a JBoss Training Course. Free Certification Exam for All Training Attendees Through End of 2005. For more info visit: http://ads.osdn.com/?ad_id=7628&alloc_id=16845&op=click _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
