build error: race problem in mkdir?

[Jan Nieuwenhuizen]

I got the error below building today's stable-2.0.

It seems that ensure-writable-dir in compile.scm can
be raced.

Greetings,
Jan.

        guile-tools compile -Wunbound-variable -Warity-mismatch -Wformat -o 
"oop/goops/composite-slot.go" 
"/home/janneke/vc/gub/target/tools/src/guile-2.0.0.1/module/oop/goops/composite-slot.scm"
Backtrace:
In ice-9/boot-9.scm:
 170: 9 [catch #t #<catch-closure 977da80> ...]
In unknown file:
   ?: 8 [catch-closure]
In ice-9/boot-9.scm:
  62: 7 [call-with-prompt prompt0 ...]
In ice-9/eval.scm:
 389: 6 [eval # #]
 350: 5 [eval # #]
In unknown file:
   ?: 4 [for-each #<procedure 9948c30 at ice-9/eval.scm:378:13 (a)> #]
In ice-9/eval.scm:
 350: 3 [eval # #]
 434: 2 [lp (#<fluid 20>) ("")]
In system/base/compile.scm:
 128: 1 [compile-file 
"/home/janneke/vc/gub/target/tools/src/guile-2.0.0.1/module/oop/goops.scm" ...]
In unknown file:
   ?: 0 [mkdir "oop" #<undefined>]

ERROR: In procedure mkdir:
ERROR: In procedure mkdir: File exists
make[2]: *** [oop/goops.go] Error 1
make[2]: *** Waiting for unfinished jobs....

-- 
Jan Nieuwenhuizen <address@hidden> | GNU LilyPond http://lilypond.org
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