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

make
compiling http11.c
http11.c: In function ‘http_field’:
http11.c:70:3: warning: format not a string literal and no format arguments [-Wformat-security]
http11.c:71:3: warning: format not a string literal and no format arguments [-Wformat-security]
http11.c:77:22: error: ‘struct RString’ has no member named ‘ptr’
http11.c:77:50: error: ‘struct RString’ has no member named ‘len’
http11.c: In function ‘request_uri’:
http11.c:102:3: warning: format not a string literal and no format arguments [-Wformat-security]
http11.c: In function ‘fragment’:
http11.c:113:3: warning: format not a string literal and no format arguments [-Wformat-security]
http11.c: In function ‘request_path’:
http11.c:124:3: warning: format not a string literal and no format arguments [-Wformat-security]
http11.c: In function ‘query_string’:
http11.c:135:3: warning: format not a string literal and no format arguments [-Wformat-security]
http11.c: In function ‘header_done’:
http11.c:172:13: error: ‘struct RString’ has no member named ‘ptr’
http11.c:172:13: error: ‘struct RString’ has no member named ‘ptr’
http11.c:172:13: error: ‘struct RString’ has no member named ‘ptr’
http11.c:174:89: error: ‘struct RString’ has no member named ‘ptr’
http11.c:176:52: error: ‘struct RString’ has no member named ‘ptr’
http11.c:177:26: error: ‘struct RString’ has no member named ‘len’
http11.c: In function ‘HttpParser_execute’:
http11.c:298:23: error: ‘struct RString’ has no member named ‘ptr’
http11.c:299:23: error: ‘struct RString’ has no member named ‘len’
http11.c:307:5: warning: format not a string literal and no format arguments [-Wformat-security]
make: *** [http11.o] Error 1