Re: Link error with head Re: [commit: ghc] master: GHCi: Properly generate jump code for ARM (#8380) (5bab1a5)

Austin indicates he's got a fix already on his merge queue, in the mean time just delete the offending code (if you're on an x86/ 64 system) and the build should work On Tue, Nov 26, 2013 at 12:48 AM, Carter Schonwald < carter.schonwald@gmail.com> wrote:

No clue. I'll find out once I get on my computer. I think Mebe because stage 1 has no ghci? Pure ignorant speculation mind you. Please be sure to test the fix once I put it on trac (I'll test too of course. )

On Tuesday, November 26, 2013, Amos Robinson wrote:

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Thanks so much, Carter.

What I'm still confused about is this: I was able to build stage 1 and then build stage 2 using stage 1. However, if I try building anything with either stage, it won't link. How was it able to link stage 2?

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I'll cook up a patch and post it to trac in the next hour.

On Tuesday, November 26, 2013, Carter Schonwald wrote:

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It's because you're using GCC 4.2 on your Mac. It's not in GCC till

4.3.

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But should be cppd so that it's not used on x86 architectures so that

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use doesn't happen

On Monday, November 25, 2013, Amos Robinson wrote:

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Sorry for the noise, it turns out there's already a trac ticket: https://ghc.haskell.org/trac/ghc/ticket/8561 (I didn't find it because I was searching for ___builtin… instead of __builtin!)

On Tue, Nov 26, 2013 at 3:39 PM, Amos Robinson <

amos.robinson@gmail.com>

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wrote:

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Hi, I'm having trouble linking with head:

> [1 of 1] Compiling Main ( bindisttest/HelloWorld.lhs, > bindisttest/HelloWorld.o ) > Linking bindisttest/HelloWorld ... > Undefined symbols for architecture x86_64: > "___builtin___clear_cache", referenced from: > _flushExec in libHSrts.a(Storage.o) > ld: symbol(s) not found for architecture x86_64 > collect2: ld returned 1 exit status

This is on OSX 10.8.5, where gcc --version gives me > i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. > build 5658) (LLVM build 2336.11.00)

I get the impression that this commit is related. Is it the case

On Tue, Nov 26, 2013 at 4:27 PM, Carter Schonwald wrote: this that

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Apple switched from gcc to clang recently? Could that be why ___builtin__clear_cache is missing?

I'm sorry, I don't really know anything about the runtime system, so am kind of stuck.

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