Hi,
find ghc's generated settings file. What FPU is used there?
Thanks,
Karel
On 01/ 9/13 09:47 PM, rocon...@theorem.ca wrote:
Thanks for the advice; However, it had little effect.
I now have the errors:
===--- building final phase
make -r --no-print-directory -f ghc.mk phase=final all
LD libraries/ghc-prim/dist-install/build/HSghc-prim-0.3.0.0.o
/usr/bin/ld: error:
libraries/ghc-prim/dist-install/build/GHC/PrimopWrappers.o uses VFP
register arguments,
libraries/ghc-prim/dist-install/build/HSghc-prim-0.3.0.0.o does not
/usr/bin/ld: failed to merge target specific data of file
libraries/ghc-prim/dist-install/build/GHC/PrimopWrappers.o
/usr/bin/ld: error: libraries/ghc-prim/dist-install/build/cbits/debug.o
uses VFP register arguments,
libraries/ghc-prim/dist-install/build/HSghc-prim-0.3.0.0.o does not
/usr/bin/ld: failed to merge target specific data of file
libraries/ghc-prim/dist-install/build/cbits/debug.o
/usr/bin/ld: error:
libraries/ghc-prim/dist-install/build/cbits/longlong.o uses VFP register
arguments, libraries/ghc-prim/dist-install/build/HSghc-prim-0.3.0.0.o
does not
/usr/bin/ld: failed to merge target specific data of file
libraries/ghc-prim/dist-install/build/cbits/longlong.o
/usr/bin/ld: error: libraries/ghc-prim/dist-install/build/cbits/popcnt.o
uses VFP register arguments,
libraries/ghc-prim/dist-install/build/HSghc-prim-0.3.0.0.o does not
/usr/bin/ld: failed to merge target specific data of file
libraries/ghc-prim/dist-install/build/cbits/popcnt.o
make[1]: ***
[libraries/ghc-prim/dist-install/build/HSghc-prim-0.3.0.0.o] Error 1
Anyone else building GHC on a pi?
On Tue, 8 Jan 2013, Thijs Alkemade wrote:
Op 8 jan. 2013, om 05:16 heeft rocon...@theorem.ca het volgende
geschreven:
On Thu, 3 Jan 2013, Thijs Alkemade wrote:
I believe I had the same problem, which disappeared after upgrading
llvm from 3.0 to 3.1, and using that instead for ./configure.
Hope this helps,
Thijs
Thanks, using LLVM 3.1 seems to have improved the siutation, but I'm
running into a new error.
Here is the error I get when trying to build GHC 7.6.1 from 7.4.1
===--- building final phase
make -r --no-print-directory -f ghc.mk phase=final all
LD libraries/ghc-prim/dist-install/build/HSghc-prim-0.3.0.0.o
/usr/bin/ld: error:
libraries/ghc-prim/dist-install/build/cbits/debug.o uses VFP register
arguments, libraries/ghc-prim/dist-install/build/HSghc-prim-0.3.0.0.o
does not
/usr/bin/ld: failed to merge target specific data of file
libraries/ghc-prim/dist-install/build/cjjbits/debug.o
/usr/bin/ld: error:
libraries/ghc-prim/dist-install/build/cbits/longlong.o uses VFP
register arguments,
libraries/ghc-prim/dist-install/build/HSghc-prim-0.3.0.0.o does not
/usr/bin/ld: failed to merge target specific data of file
libraries/ghc-prim/dist-install/build/cbits/longlong.o
/usr/bin/ld: error:
libraries/ghc-prim/dist-install/build/cbits/popcnt.o uses VFP
register arguments,
libraries/ghc-prim/dist-install/build/HSghc-prim-0.3.0.0.o does not
/usr/bin/ld: failed to merge target specific data of file
libraries/ghc-prim/dist-install/build/cbits/popcnt.o
make[1]: ***
[libraries/ghc-prim/dist-install/build/HSghc-prim-0.3.0.0.o] Error 1
I get similar errors when building GHC 7.4.1 (patched with
http://hackage.haskell.org/trac/ghc/attachment/ticket/5914/0001-add-support-for-ARM-hard-float-ABI-fixes-5914.patch).
Any of you encountered this problem before?
Yeah, I had a lot of these. The problem was that GHC has a lot of
different "CFLAGS",
so finding the right way to pass "-float-abi=hard" to every one of
them took some time, but
eventually I ended up with the following change to mk/build.mk:
ifeq "$(BuildFlavour)" "quick"
SRC_HC_OPTS = -H64m -O0 -fasm
GhcStage1HcOpts = -O -fasm
GhcStage2HcOpts = -O0 -fasm
GhcLibHcOpts = -O -fasm -optlc-float-abi=hard
SplitObjs = NO
HADDOCK_DOCS = NO
BUILD_DOCBOOK_HTML = NO
BUILD_DOCBOOK_PS = NO
BUILD_DOCBOOK_PDF = NO
endif
(Change the build flavor you are using, of course)
And I ran configure as:
LDFLAGS="-marm -mfloat-abi=hard -mfpu=vfp" CFLAGS="-marm
-mfloat-abi=hard -mfpu=vfp" ./configure --with-opt=/usr/bin/opt-3.1
--with-llc=/usr/bin/llc-3.1 --with-ld=`which ld.gold`
(I switched to the gold linker, because ld was running out of RAM often.)
I did eventually finish building stage2, but the final executable
segfaulted on start.
I haven't investigated much why that happened, the days it takes to
rebuild it just
made me give up.
Hope this helps,
Thijs
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