Hadrian: Build fails when using absolute path for build root

This fails:

$ git clean -xdf
$ ./boot && ./configure && ./hadrian/build.sh -o/tmp/build
...
Error when running Shake build system:
  at src/Main.hs:58:30-42:
* Depends on: test
  at src/Hadrian/Builder.hs:70:5-23:
* Depends on: /tmp/build01/stage2/lib/platformConstants
  at src/Hadrian/Utilities.hs:292:5-18:
* Depends on: /tmp/build01/generated/platformConstants
  at src/Hadrian/Builder.hs:70:5-23:
* Depends on: /tmp/build01/stage0/bin/deriveConstants
  at src/Development/Shake/Internal/Rules/Oracle.hs:157:43-68:
* Depends on: OracleQ (ContextDataKey (Context {stage = Stage0, package = Package {pkgType = Program, pkgName = "deriveConstants", pkgPath = "utils/deriveConstants"}, way = v}))
  at src/Hadrian/Haskell/Cabal/Parse.hs:214:5-36:
* Depends on: /tmp/build01/stage0/utils/deriveConstants/setup-config
* Raised the exception:
Error, rule finished running but did not produce file:
  /tmp/build01/stage0/utils/deriveConstants/setup-config
CallStack (from HasCallStack):
  error, called at src/Development/Shake/Internal/Rules/File.hs:180:58 in shake-0.17.4-5aa097213b9663d13b00fb582ca77bb18e6d60c3b0376f0fc60fdbf22a73c6f4:Development.Shake.Internal.Rules.File

but changing /tmp/build to the relative path succeeds (something like -o../../../../tmp/build).

Trac metadata

Trac field	Value
Version	8.6.3
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Build System (Hadrian)
Test case
Differential revisions
BlockedBy
Related
Blocking
CC	alpmestan, snowleopard
Operating system
Architecture