[Note: already shortly discussed with Wilhelm]
On Fri, Nov 23, 2007 at 12:30:06PM +0000, Wilhelm B. Kloke wrote:
> > ../../compiler/stage1/ghc-inplace -package-name unix-2.2.0.0
> > -hide-all-packages -i -idist/build/autogen -idist/build -i. -Idist/build
> > -Iinclude -#include "HsUnix.h" -#include "execvpe.h" -odir dist/build
> > -hidir dist/build -stubdir dist/build -package base-3.0.0.0 -package
> > directory-1.0.0.0 -O -XCPP -XForeignFunctionInterface -idist/build -H32m
> > -O0 -fasm -Rghc-timing -keep-hc-files -O -c
> > dist/build/System/Posix/Process.hs -o dist/build/System/Posix/Process.o
> > -ohi dist/build/System/Posix/Process.hi
> > Prologue junk?: .type s32x_ret, @function
> > s32x_ret:
> > pushl %ebp
> > movl %esp, %ebp
I see nearly the same problem with ghc-6.8.2 on OpenBSD, using the
gcc-3.3.5 included in its base system.
Regardless of wether there's something wrong with the generated
code or wether it's just a bug in the mangler, it's possible to
build Process.c with -fviaC *and* -O0.[1]
For now, I'm able to build a HC file bundle with this settings in
build.mk and running "gmake stage1 hc-file-bundle":
SRC_HC_OPTS= -H64 -O -fvia-C -keep-hc-files
GhcLibHcOpts= -O0 # Workaround the mangler problem
GhcLibWays=
GhcRTSWays=
SplitObjs= NO
I'd appreciate any reports wether people see the same problem on
other systems (if so: what gcc version are you using?) and wether
GhcLibHcOpts=-O0 fixes it.
Ciao,
Kili
[1] BTW: what's the point of using -fasm with -keep-hc-files? IMHO,
it should be -fviaC -keep-hc-files. Someone let me know if I should
correct this in the wiki.
ps: yes, I'm slowly trying to bring HC bootstrap back to work. It's
a must-have for the OpenBSD port. Apart from the HC file bundle,
this will require some more hacking especially on library/Makefile
and the Cabal-generated GNUmakefiles (and/or Makefile.local).
pps: I guess, cvs-ghc would be the more correct list for sending
patches and discussing the bootstrapping stuff, right?
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