[Haskell-cafe] Porting GHC to OSX86?
weeksie at twelvestone.com
Wed May 10 17:31:47 EDT 2006
Thanks for your response, I'll follow your saga and hopefully learn a
bit more about GHC's guts in the process.
On 07/05/2006, at 4:05 AM, Reilly Hayes wrote:
> You'll get a better response to this on the glasgow-haskell-users
> list. I'm cross-posting my reply.
> I'm brand new to hacking on GHC, but I've been working on this in
> my pitifully meagre spare time. The actual expert is Wolfgang
> Thaller, but he doesn't seem to be around the lists lately. I was
> able to generate hc files on a 386 linux box (actually on a
> Parallels virtual machine on my mac, as my linux boxen all run 64
> bit linuces). I'll share my findings so far:
> 1) STABLE does not have the appropriate code in the Mangler to deal
> with Darwin/86. I've been playing with various versions of HEAD.
> 2) HEAD has gone through a major revision to the directory
> structure. The documentation and some of the build processes have
> not caught up. Simon Marlow sent a helpful e-mail to the ghc users
> list a few days ago that you should look at.
> 3) Building the .hc files mostly requires the appropriate settings
> in mk/build.mk on the Host (linux) machine. I'll include my
> build.mk below. There is a target in the top level makefile called
> hc-file-bundle (which needs to be invoked with the parameter
> ProjectNameShort=ghc in HEAD and Project=ghc in STABLE). This
> target packages up the .hc files, but does not build them. Some of
> the .hc files in utils (genapply, genprimopcode, & ghc-pkg) don't
> get built. I just cd to the directories and make them by hand (be
> sure to use the in-place compiler). A GhcUtilsHcOpts variable in
> the make structure would be nice (in order to pass -keep-hc-files
> to ghc when building these on the host).
> 4) I have been working with Registerised hc files. This may have
> been a mistake, as registerised code seems to present some unique
> challenges on Darwin/86. See the items below for a discussion.
> 5) If I understand correctly (somebody with better knowledge please
> correct me), there is a register allocation conflict between ghc
> and relocatable code generated by gcc on the 386 (gcc flag -fPIC).
> This limits ghc to producing static binaries. The gcc in Xcode
> builds relocatable code by default and requires -static to build
> static binaries.
> I think this conflict is limited to code that goes through the
> Mangler (registerized code).
> 6) If I understand correctly, there is code in the RTS that cannot
> be built using the native code generator. Which suggests that
> we're stuck with static binaries. There is a ticket to fix this in
> 7) Mac OS X really doesn't like static binaries. In fact, in order
> to link a static binary, you have to go to opendarwin and download
> the Csu package to build crt0.o. It's not included in any of the
> development tools. Apple warns that static binaries are likely to
> fail to operate in O/S version changes.
> Curently I'm fighting with the Makefiles to figure out how to get
> the -static flag stuffed into all of the invocations of gcc. Some
> of the invocations in rts components don't seem to obey the normal
> variables used in the makefile structure. I haven't had time to
> puzzle this out and won't for a few days.
> mk/build.mk used to generate hc files:
> GhcLibHcOpts = -O -fasm -keep-hc-files
> GhcRtsHcOpts = -fasm -keep-hc-files
> GhcWithInterpreter = NO
> GhcStage1HcOpts = -O
> GhcStage2HcOpts = -O -fasm -keep-hc-files
> SRC_HC_OPTS += -H32m
> -reilly hayes
> On May 5, 2006, at 7:34 PM, Scott Weeks wrote:
>> Hi All,
>> Does anyone know if there's been any headway on this? If there's not
>> a port available, where do I go about finding the hc files? Could I
>> compile on a windows or linux x86 box and use the generated hc files
>> to bootstrap?
>> On 22/03/2006, at 7:09 AM, Deling Ren wrote:
>>> Hi there,
>>> Has anyone made any attempt to port GHC to Mac OS X on x86?
>>> Wolfgang Thaller’s binary package runs over Rosetta but slow (not
>>> surprising). It can not be used to compile a native version either
>>> (I got some errors related to machine registers).
>>> I tried to do a bootstrap but can't find the ".HC" files mentioned
>>> in the manual. They don't seem to be on the download page of GHC.
>>> Any ideas?
>>> Haskell-Cafe mailing list
>>> Haskell-Cafe at haskell.org
>> Haskell-Cafe mailing list
>> Haskell-Cafe at haskell.org
> Reilly Hayes
> rfh at reillyhayes.com
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