gistfile1.txt

Installing ffi (0.6.3) with native extensions 
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        /home/klin/.rvm/rubies/ruby-1.9.3-p0/bin/ruby extconf.rb 
extconf.rb:6: Use RbConfig instead of obsolete and deprecated Config.
checking for ffi_call() in -lffi... yes
checking for ffi_prep_closure()... yes
checking for ffi_raw_call()... yes
checking for ffi_prep_raw_closure()... yes
checking for rb_thread_blocking_region()... yes
creating extconf.h
creating Makefile

make
compiling Variadic.c
compiling Type.c
compiling Buffer.c
compiling Platform.c
compiling ArrayType.c
compiling StructLayout.c
StructLayout.c: In function ‘struct_layout_initialize’:
StructLayout.c:363:9: error: lvalue required as left operand of assignment
make: *** [StructLayout.o] Error 1