Mail Archives: cygwin/2003/04/10/22:34:12
So I rebuilt libtool from CVS the other day (just to make sure it was
still working since 1.5-final is due RSN) and ran the self tests.
While it still fails the build-relink2 test and the quote test (long
standing issues), it now fails the dry-run test. However, I can't
figure out why.
Basically, dry-run creates a build directory tree, and takes an 'ls -lR'
snapshot of it which is stored in a file (somewhere outside the tree
in question). Then, it runs a "dryrun" compile command (which should do
nothing) and takes another snapshot -- the two snaps should match.
(Then, it compiles "for real", takes a new 'before' snapshot, runs a
dryrun link command, etc etc. But that's not important.)
Here's the failure:
-----------BEFORE 'SNAPSHOT'------------
.:
total 163
-rw-rw-r-- 1 cwilson None 20124 Apr 9 01:58 Makefile
-rw-rw-r-- 1 cwilson None 31500 Apr 9 01:58 config.log
-rwxrwxr-x 1 cwilson None 28943 Apr 9 01:58 config.status
-rwxrwxr-x 1 cwilson None 210074 Apr 9 03:05 libtool
-rw-rw-r-- 2 cwilson None 18715 Apr 9 03:05 main.o
.libs:
total 206
-rwxrwxr-x 1 cwilson None 210074 Apr 9 03:03 libtool
drwxrwxr-x+ 3 cwilson None 0 Apr 9 03:05 temp
-----------BEFORE 'SNAPSHOT'------------
------------AFTER 'SNAPSHOT'------------
.:
total 305
-rw-rw-r-- 1 cwilson None 20124 Apr 9 01:58 Makefile
-rw-rw-r-- 1 cwilson None 31500 Apr 9 01:58 config.log
-rwxrwxr-x 1 cwilson None 28943 Apr 9 01:58 config.status
-rwxrwxr-x 1 cwilson None 210074 Apr 9 03:05 libtool
-rw-rw-r-- 2 cwilson None 18715 Apr 9 03:05 main.o
.libs:
total 206
-rwxrwxr-x 1 cwilson None 210074 Apr 9 03:03 libtool
drwxrwxr-x+ 3 cwilson None 0 Apr 9 03:05 temp
------------AFTER 'SNAPSHOT'------------
The only difference is the "total usage" line that 'ls' prints. In the
before snapshot, it says "total 163" (kB). Adding the individual file
sizes, that is clearly wrong. The after snapshot gets it right: "total
305" (kB) is the sum of the individual file sizes (which are the same as
in the before snapshot).
This looks like a race condition or something in cygwin or
fileutils(ls.exe). Has anybody seen anything like this, or is there a
known file-system-related race in cygwin 1.3.22?
Thanks for any input...
--Chuck
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