Commit 74615f41 authored by Sergei Trofimovich's avatar Sergei Trofimovich
Browse files

UNREG: ignore -fllvm (Trac #13495)



Unregisterised GHC can only use C as a target backend
(option used to be called -fvia-C). -fasm option was
ignored with a warhing, but not -fllvm.

jms noticed the failure when tried to use quick-cross
build flavour. quick-cross enables -fllvm in makefile.

  "inplace/bin/ghc-stage1" ... -fllvm
  ghc-stage1: panic! (the 'impossible' happened)
    (GHC version 8.0.2 for powerpc-unknown-linux):
          LlvmCodeGen.Ppr: Cross compiling without valid target info.

This change ignores -fllvm as well.
Signed-off-by: default avatarSergei Trofimovich <slyfox@gentoo.org>
parent 71916e1c
......@@ -5151,7 +5151,7 @@ makeDynFlagsConsistent dflags
= let dflags' = gopt_unset dflags Opt_Hpc
warn = "Hpc can't be used with byte-code interpreter. Ignoring -fhpc."
in loop dflags' warn
| hscTarget dflags == HscAsm &&
| hscTarget dflags `elem` [HscAsm, HscLlvm] &&
platformUnregisterised (targetPlatform dflags)
= loop (dflags { hscTarget = HscC })
"Compiler unregisterised, so compiling via C"
......
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