Hi,

I am trying to install ffi gem on OpenSolaris b130, but encounter
"_FILE_OFFSET_BITS" redefined error. Below is the result from `rake --
trace gem:install`.

The error is obvious, but I am not sure what's the right fix. Am I
missing something?

Cheers,
Henry

===> suspicious, not sure if this is expected?
** Invoke spec/ffi/rbx/spec_helper.rb (first_time, not_needed)
** Invoke spec/ffrake-compiler must be configured first to enable
cross-compilation
rake-compiler must be configured first to enable cross-compilation
rake-compiler must be configured first to enable cross-compilation
rake-compiler must be configured first to enable cross-compilation
rm -r pkg
<...snip...>
sudo gem install --local pkg/ffi-0.6.0
Password:
Building native extensions.  This could take a while...
ERROR:  Error installing pkg/ffi-0.6.0:
        ERROR: Failed to build gem native extension.

/usr/ruby/1.8/bin/ruby extconf.rb
checking for ffi_call() in -lffi... yes
checking for ffi_prep_closure()... yes
checking for ffi_raw_call()... no
checking for rb_thread_blocking_region()... no
creating extconf.h
creating Makefile

make
/usr/sfw/bin/gcc -I. -I. -I/usr/ruby/1.8/lib/ruby/1.8/i386-solaris2.11
-I. -DRUBY_EXTCONF_H=\"extconf.h\" -I/usr/sfw/include -fPIC -g -O3 -
fPIC -I/usr/lib/libffi-3.0.8/include   -Werror -Wunused -Wformat -
Wimplicit -Wreturn-type   -c Buffer.c
In file included from /usr/ruby/1.8/lib/ruby/1.8/i386-solaris2.11/
ruby.h:24,
                 from Buffer.c:31:
/usr/ruby/1.8/lib/ruby/1.8/i386-solaris2.11/config.h:27:1:
"_FILE_OFFSET_BITS" redefined
In file included from /usr/include/sys/int_types.h:55,
                 from /usr/include/sys/stdint.h:38,
                 from /usr/include/stdint.h:38,
                 from Buffer.c:29:
/usr/include/sys/feature_tests.h:209:1: this is the location of the
previous definition
make: *** [Buffer.o] Error 1


Gem files will remain installed in /var/ruby/1.8/gem_home/gems/
ffi-0.6.0 for inspection.
Results logged to /var/ruby/1.8/gem_home/gems/ffi-0.6.0/ext/ffi_c/
gem_make.out
rake aborted!
Command failed with status (1): [sudo gem install --local pkg/
ffi-0.6.0...]
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:995:in `sh'
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:1010:in `call'
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:1010:in `sh'
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:1094:in `sh'
/home/henryjen/git/ffi/tasks/gem.rake:171
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:636:in `call'
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:636:in `execute'
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:631:in `each'
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:631:in `execute'
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:597:in
`invoke_with_call_chain'
/usr/ruby/1.8/lib/ruby/1.8/monitor.rb:242:in `synchronize'
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:590:in
`invoke_with_call_chain'
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:583:in `invoke'
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:2051:in
`invoke_task'
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level'
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:2029:in `each'
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level'
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:2068:in
`standard_exception_handling'
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:2023:in `top_level'
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:2001:in `run'
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:2068:in
`standard_exception_handling'
/var/ruby/1.8/gem_home/gems/rake-0.8.7/lib/rake.rb:1998:in `run'
/var/ruby/1.8/gem_home/gems/rake-0.8.7/bin/rake:31
/usr/bin/rake:19:in `load'
/usr/bin/rake:19