error

Building native extensions.  This could take a while...
ERROR:  Error installing mongrel:
  ERROR: Failed to build gem native extension.

/usr/bin/ruby1.9.1 extconf.rb
checking for main() in -lc... yes
creating Makefile

make
gcc -I. -I/usr/include/ruby-1.9.1/i486-linux -I/usr/include/ruby-1.9.1/ruby/backward -I/usr/include/ruby-1.9.1 -I. -D_FILE_OFFSET_BITS=64  -fPIC -fno-strict-aliasing -g -g -O2 -fPIC  -o http11.o -c http11.c
http11.c: In function ‘http_field’:
http11.c:77: error: ‘struct RString’ has no member named ‘ptr’
http11.c:77: error: ‘struct RString’ has no member named ‘len’
http11.c: In function ‘header_done’:
http11.c:172: error: ‘struct RString’ has no member named ‘ptr’
http11.c:172: error: ‘struct RString’ has no member named ‘ptr’
http11.c:172: error: ‘struct RString’ has no member named ‘ptr’
http11.c:174: error: ‘struct RString’ has no member named ‘ptr’
http11.c:176: error: ‘struct RString’ has no member named ‘ptr’
http11.c:177: error: ‘struct RString’ has no member named ‘len’
http11.c: In function ‘HttpParser_execute’:
http11.c:298: error: ‘struct RString’ has no member named ‘ptr’
http11.c:299: error: ‘struct RString’ has no member named ‘len’
make: *** [http11.o] Error 1


Gem files will remain installed in /var/lib/gems/1.9.1/gems/mongrel-1.1.5 for inspection.
Results logged to /var/lib/gems/1.9.1/gems/mongrel-1.1.5/ext/http11/gem_make.out