#2619: Can't build older compiler
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Reporter: judah | Owner:
Type: bug | Status: closed
Priority: normal | Milestone: 6.12.1
Component: Build System | Version: 6.11
Severity: normal | Resolution: fixed
Keywords: | Difficulty: Unknown
Testcase: | Os: Unknown/Multiple
Architecture: Unknown/Multiple |
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Changes (by simonmar):
* status: reopened => closed
* resolution: => fixed
Comment:
The new build system copes with bootstrapping using a newer GHC version,
or at least it no longer fails for bogus reasons like picking the wrong
version of the ghc package. Here's one I built earlier:
{{{
$ ./inplace/bin/ghc-stage2 --info
[("Project name","The Glorious Glasgow Haskell Compilation System")
,("Project version","6.11.20090423")
,("Booter version","6.11.20090424")
,("Stage","2")
,("Interface file version","6")
,("Have interpreter","YES")
,("Object splitting","YES")
,("Have native code generator","YES")
,("Support SMP","YES")
,("Unregisterised","NO")
,("Tables next to code","YES")
,("Win32 DLLs","")
,("RTS ways","l debug thr thr_debug thr_l ")
,("Leading underscore","NO")
,("Debug on","False")
]
}}}
In order to build GHC using a snapshot (including a newer snapshot), you
have to configure using the new flag `--enable-bootstrap-with-devel-
snapshot`. We don't guarantee that bootstrapping with a development
snapshot will work, due to API changes during the development cycle.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2619#comment:18>
GHC <http://www.haskell.org/ghc/>
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