Am 02.04.2014 10:21, schrieb Christian Maeder:
In the sources of ghc-7.8-rc2 I only find the file compiler/parser/Lexer.x.source
How is this one turned into a file Lexer.x?
Just by renaming! It seems Lexer.x was moved to Lexer.x.source in order to avoid regeneration of Lexer.hs. C.
Am 02.04.2014 09:49, schrieb Herbert Valerio Riedel:
On 2014-04-02 at 09:35:31 +0200, Christian Maeder wrote:
I had a similar problem on a Mac (and clang) that I could solve by updating to the versions of (happy and) alex that you already use. Are you sure that Lexer.hs was freshly (re-)generated?
...it was freshly generated (by [1] - I forced it to be recreated by removing it), and it has exactly the same content it has when using GCC for building (which succeeds compiling it)
Does it make a difference whether 'Alex' was compiled by a Clang-configured GHC in the first place?
[1]: "${HOME}/.cabal/bin/alex" -g --latin1 compiler/parser/Lexer.x -o compiler/stage2/build/Lexer.hs
...and ${HOME}/.cabal/bin/alex is in fact version 3.1.3
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