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Gyp does not warn/error about multiple actions writing to the same file #203

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
Gyp does not produce a warning or an error if there are two actions that both 
write to the same file.

This caused a problem in the NaCl and Chrome builds which went undetected for a 
long time and made the build flaky.  NaCl's build was instantiating an action 
twice (for 32-bit and 64-bit Windows targets), using the same output filename 
twice.  Occasionally these actions would be run concurrently, which would fail 
because of Windows' file locking.

See http://code.google.com/p/nativeclient/issues/detail?id=1729 for the NaCl 
bug.

Original issue reported on code.google.com by mseaborn@chromium.org on 27 Jul 2011 at 1:24

GoogleCodeExporter commented 9 years ago

Original comment by mseaborn@chromium.org on 27 Jul 2011 at 1:54