Well, just wild guessing what's needed on RPi, but could you who do have this board attempt to use attached patch? Don't forget to ./boot as this change configure. Also testing it on completely clean tree may be wise idea. Also after configure run please check that you do have VFPv2 in the ext list. -- this is indeed a wild guess for ARMv6, but as we do the same for ARMv7 (guessing VFPv3) I don't think this is show-stopper now... Please let me know if this is working... Karel On 01/15/13 06:25 PM, Ben Gamari wrote:
roconnor@theorem.ca writes:
Okay, I tried:
SRC_HC_OPTS = -H64m -Rghc-timing -optc-mfloat-abi=hard -optc-march=armv6 -optc-mfpu=vfp -optlc=-mattr=+vfp2 GhcStage1HcOpts = -O -fllvm GhcStage2HcOpts = -O0 -fllvm GhcLibHcOpts = -O -fllvm -optlc-float-abi=hard
and I got the same error at a different build step. I'm not sure if it is earlier or later.
It seems still not everything is using the hard-float ABI.
===--- building final phase make -r --no-print-directory -f ghc.mk phase=final all HC [stage 1] utils/hsc2hs/dist-install/build/tmp/hsc2hs /usr/bin/ld: error: utils/hsc2hs/dist-install/build/tmp/hsc2hs uses VFP register arguments, utils/hsc2hs/dist-install/build/Main.o does not /usr/bin/ld: failed to merge target specific data of file utils/hsc2hs/dist-install/build/Main.o
I found this as well and have been unable to figure out what in the build system needs to be tweaked. This is ultimately where I gave up on 7.4.
Anyone have any ideas what flags this is built with? It seems that neither GhcStage2HcOpts nor GhcLibHcOpts make it to the compiler here,
"inplace/bin/ghc-stage1" -H64m -Rghc-timing -v -hide-all-packages -i -iutils/hsc2hs/. -iutils/hsc2hs/dist-install/build -iutils/hsc2hs/dist-install/build/autogen -Iutils/hsc2hs/dist-install/build -Iutils/hsc2 hs/dist-install/build/autogen -optP-include -optPutils/hsc2hs/dist-install/build/autogen/cabal_macros.h -package base-4.5.1.0 -package containers-0.4.2.1 -package directory-1.1.0.2 -package process-1.1.0.1 -X Haskell98 -XCPP -XForeignFunctionInterface -no-user-package-conf -rtsopts -odir utils/hsc2hs/dist-install/build -hidir utils/hsc2hs/dist-install/build -stubdir utils/hsc2hs/dist-install/build -hisuf hi -osuf o -hcsuf hc -c utils/hsc2hs/./Main.hs -o utils/hsc2hs/dist-install/build/Main.o
Cheers,
- Ben
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