[GHC] #7143: ghc-7.6.0.20120810-x86_64-windows.exe -> ghc can't figure out LLVM version

[GHC]

#7143: ghc-7.6.0.20120810-x86_64-windows.exe -> ghc can't figure out LLVM version
---------------------------------+------------------------------------------
    Reporter:  cetinsert         |       Owner:  dterei                           
        Type:  bug               |      Status:  new                              
    Priority:  high              |   Milestone:  7.8.1                            
   Component:  Compiler          |     Version:  7.6.1-rc1                        
    Keywords:  llvm              |          Os:  Windows                          
Architecture:  Unknown/Multiple  |     Failure:  Incorrect warning at compile-time
  Difficulty:  Unknown           |    Testcase:                                   
   Blockedby:                    |    Blocking:                                   
     Related:                    |  
---------------------------------+------------------------------------------
Changes (by shelarcy):

 * cc: shelarcy@… (added)
  * architecture:  x86_64 (amd64) => Unknown/Multiple


Comment:

 Windows 32 bit version causes same problem.

 {{{
 > ghc -info
  [("Project name","The Glorious Glasgow Haskell Compilation System")
  ,("GCC extra via C opts"," -fwrapv")
  ,("C compiler command","$topdir/../mingw/bin/gcc.exe")
  ,("C compiler flags"," -fno-stack-protector  -Wl,--hash-size=31 -Wl
 ,--reduce-me
 mory-overheads")
  ,("ar command","$topdir/../mingw/bin/ar.exe")
  ,("ar flags","q")
  ,("ar supports at file","YES")
  ,("touch command","$topdir/touchy.exe")
  ,("dllwrap command","$topdir/../mingw/bin/dllwrap.exe")
  ,("windres command","$topdir/../mingw/bin/windres.exe")
  ,("perl command","$topdir/../perl/perl.exe")
  ,("target os","OSMinGW32")
  ,("target arch","ArchX86")
  ,("target word size","4")
  ,("target has GNU nonexec stack","False")
  ,("target has .ident directive","True")
  ,("target has subsections via symbols","False")
  ,("LLVM llc command","")
  ,("LLVM opt command","")
  ,("Project version","7.6.1")
  ,("Booter version","7.4.2")
  ,("Stage","2")
  ,("Build platform","i386-unknown-mingw32")
  ,("Host platform","i386-unknown-mingw32")
  ,("Target platform","i386-unknown-mingw32")
  ,("Have interpreter","YES")
  ,("Object splitting supported","YES")
  ,("Have native code generator","YES")
  ,("Support SMP","YES")
  ,("Unregisterised","NO")
  ,("Tables next to code","YES")
  ,("RTS ways","l debug  thr thr_debug thr_l thr_p dyn debug_dyn thr_dyn
 thr_debu
 g_dyn")
  ,("Leading underscore","YES")
  ,("Debug on","False")
  ,("LibDir","C:\\ghc\\ghc-7.6.1\\lib")
  ,("Global Package DB","C:\\ghc\\ghc-7.6.1\\lib\\package.conf.d")
  ,("Gcc Linker flags","[\"-Wl,--hash-size=31\",\"-Wl,--reduce-memory-
 overheads\"
 ]")
  ,("Ld Linker flags","[\"--hash-size=31\",\"--reduce-memory-overheads\"]")
  ]

 > ghc -fllvm Main.hs
 [1 of 1] Compiling Main             ( Main.hs, Main.o )

 <no location info>:
     Warning: Couldn't figure out LLVM version!
              Make sure you have installed LLVM
 }}}

 I used GHC 7.6.1 with LLVM official site's LLVM 2.9 binary.

 {{{
 > llc --version
 Low Level Virtual Machine (http://llvm.org/):
   llvm version 2.9
   Optimized build.
   Built Apr  6 2011 (03:41:01).
   Host: i386-pc-mingw32
   Host CPU: i686
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7143#comment:4>
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