On Sun, 20 Jan 2013, Karel Gardas wrote:
On 01/20/13 07:17 PM, roconnor@theorem.ca wrote:
On Wed, 16 Jan 2013, Karel Gardas wrote:
You should not IMHO. My patch should solve all your issues. :-) The only issue you may get is that your distro ghc will compile for soft-float ABI and your compiled GHC will compile to hard-float and object files will get mixed somewhere. But I trust your distro ghc builders that this is not the case so both GHCs should compile using hard-float. So issue solved, at least should be. Now I'm just waiting if you verify this or not so I'm either able to submit the patch for inclusion or hack it more...
I switched to using llvm-3.0 from rasbian, and made a lot of progress. (In retrospect I built llvm-3.1 using nix, and it was in a completely different toolchain than the rest of the build. I should have known that it wouldn't work).
Ehm, building LLVM on your own is always a risky business. See my blog[1] for more details especially find the post where I compare quality of various LLVM builds using various optimization options...
I was able to complete the build of ghc-7.6.1 using Karel's patch and
./configure --with-llc=/usr/bin/llc-3.0 --with-opt=/usr/bin/opt-3.0
I was able to make binary-dist after doing
mkdir compiler/stage2/doc
However after unpacking the binary distribution and doing a make install I get:
Installing library in /tmp/bindist/lib/ghc-7.6.1/ghc-prim-0.3.0.0 ghc-cabal: Failed to read "target arch" value "ArchARM {armISA = ARMv6, armISAExt = [VFPv2], armABI = }" make[1]: *** [install_packages] Error 1 make: *** [install] Error 2
And in particular the installed ghc gives the error:
$ bin/ghc Failed to read "target arch" value "ArchARM {armISA = ARMv6, armISAExt = [VFPv2], armABI = }"
Sounds to me like Karel's patch is almost, but not quite there.
Looks like you do have corrupted settings file. Recover it by adding "HARD" following "armABI = ", so result should be:
ArchARM {armISA = ARMv6, armISAExt = [VFPv2], armABI = HARD}"
Okay, I patched the settings filed generted by ./configure in the binary-dist and rank make install which completed. However, pi@raspberrypi /tmp/bindist $ bin/ghc --make Main.hs [1 of 1] Compiling Main ( Main.hs, Main.o ) Linking Main ... pi@raspberrypi /tmp/bindist $ ./Main Segmentation fault pi@raspberrypi /tmp/bindist $ cat Main.hs main = putStrLn "Hello World." Damn it. So close. I don't know how make install succeded without segfaulting. -- Russell O'Connor http://r6.ca/ ``All talk about `theft,''' the general counsel of the American Graphophone Company wrote, ``is the merest claptrap, for there exists no property in ideas musical, literary or artistic, except as defined by statute.''