From: Chad Brewbaker <crb002@...>
Date: 2007-12-09T17:06:32+09:00
Subject: Problems building ruby1.9 on Blue Gene/L

Trying to cross-compile a compute node binary of Ruby1.9.

First, the configure.in file is still broken from Ruby1.8.6. You need to
comment out these lines so the configure script doesn't break:

./configure.in:706:#AC_FUNC_GETPGRP
./configure.in:707:#AC_FUNC_SETPGRP

You also need to hack the resulting configure file so it won't exit
complaining you are trying to cross compile.

I used the following configure options:
export CC=blrts_xlc
export F77=blrts_xlf
export FFLAGS=" -O2"
export CFLAGS=" -O2"
#Make sure to link the lmsglayer,lrts,ldevices before and after
everything in the makefile.
export LDFLAGS=" -qarch=440d -qtune=440 \
-lc -lnss_files -lnss_dns -lresolv \
-L/bgl/BlueLight/ppcfloor/bglsys/lb  -lmpich.rts -lmsglayer.rts
-lrts.rts -ldevices.rts"
echo "Configuring"
export EXTLIBS="-lc -lnss_files -lnss_dns -lresolv" \
./configure -build powerpc-aix -host  ppc-linux-gnu \
--includedir=/home/crb002/include --oldincludedir=/home/crb002/include
--prefix=/home/crb002/



Now for the make:



> make
./lib/fileutils.rb:1532:in `public': undefined method `commands' for
class `Module' (NameError)
  from ./lib/fileutils.rb:1532
  from ./lib/fileutils.rb:1531:in `each'
  from ./lib/fileutils.rb:1531
  from ./mkconfig.rb:10:in `require'
  from ./mkconfig.rb:10
make: *** [.rbconfig.time] Error 1

> make -n
ruby -I/MY_FANCY_PATH/ruby -rfake  ./mkconfig.rb
-timestamp=.rbconfig.time \
  -install_name=ruby \
  -so_name=ruby rbconfig.rb
ruby -I/MY_FANCY_PATH/ruby -rfake  -I. -rrbconfig
./tool/compile_prelude.rb ./prelude.rb ./gem_prelude.rb prelude.c
blrts_xlc -O5 -qarch=440d -qtune=440   -I. -I.ext/include/powerpc-linux
-I./include -I.  -DRUBY_EXPORT -D_GNU_SOURCE=1  -c prelude.c
make: *** No rule to make target `thread_.h', needed by `error.o'.
Stop.


Any sugestions?
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