Sorry I see that Manuel mentioned the problem with 8.0.1 rc2 alreadyin his first email about this
On Wed, Apr 13, 2016 at 2:43 PM George Colpitts <[email protected]> wrote: > It turns out, not surprisingly, that this also breaks ghc 8, but in a > totally different way, see > https://ghc.haskell.org/trac/ghc/ticket/11823#comment:13 > > > > On Sat, Mar 26, 2016 at 6:35 AM Manuel M T Chakravarty < > [email protected]> wrote: > >> I just noticed that GHC 7.10.3 (latest release version) fails to build >> with version 7.3 of Xcode (which just came out of beta). Maybe this is due >> to >> >> https://ghc.haskell.org/trac/ghc/ticket/11744 >> >> The problem manifests in the form of a SEGV when dll-split is invoked for >> the first time — specifically lldb has the following to say, >> >> Process 17348 launched: '../lib/bin/dll-split' (x86_64) >> Process 17348 stopped >> * thread #1: tid = 0x4a821e, 0x0000000100e26357 >> libHSrts-ghc7.10.3.dylib`stg_returnToStackTop + 7, queue = >> 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x1e) >> frame #0: 0x0000000100e26357 >> libHSrts-ghc7.10.3.dylib`stg_returnToStackTop + 7 >> libHSrts-ghc7.10.3.dylib`stg_returnToStackTop: >> -> 0x100e26357 <+7>: movq 0x1e(%rax), %rbx >> 0x100e2635b <+11>: movq 0x10(%rbx), %rbp >> 0x100e2635f <+15>: leaq 0x126(%rbx), %r15 >> 0x100e26366 <+22>: movq $0x0, 0x904(%r13) >> >> Interestingly, the GHC 8.0.1-rc2 build does not exhibit that same >> failure. It does, however, fail to build due to an undefined symbol: >> >> Undefined symbols for architecture x86_64: >> "_stg_sel_18_upd_info", referenced from: >> _sc9J_info in Monad.dyn_o >> ld: symbol(s) not found for architecture x86_64 >> clang: error: linker command failed with exit code 1 (use -v to see >> invocation) >> `gcc' failed in phase `Linker'. (Exit code: 1) >> make[1]: *** [ghc/stage2/build/tmp/ghc-stage2] Error 1 >> make: *** [all] Error 2 >> >> (This may be unrelated to Xcode 7.3 and a known problem on OS X with that >> RC. I didn’t follow the 8.0.1-rc2 tickets in detail.) >> >> As I assume that there will be no further 7.10 release, I am posting this >> here just to save others the time to track the problem down. >> >> Manuel >> >> PS: I wish I had the time to check GHC builds with Xcode beta releases, >> but alas, I usually don’t. >> _______________________________________________ >> ghc-devs mailing list >> [email protected] >> http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs >> >
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