install.rb: install done.
INFO:  `gem install -y` is now default and will be removed
INFO:  use --ignore-dependencies to install only the gems you list
Building native extensions.  This could take a while...
ERROR:  Error installing fcgi:
        ERROR: Failed to build gem native extension.

/usr/bin/ruby extconf.rb
checking for fcgiapp.h... yes
checking for FCGX_Accept() in -lfcgi... yes
creating Makefile

make
gcc -I. -I. -I/usr/lib64/ruby/1.8/x86_64-linux -I. -DHAVE_FCGIAPP_H  -fPIC -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -Wall -fno-strict-aliasing  -fPIC  -c fcgi.c
fcgi.c: In function ‘fcgi_stream_write’:
fcgi.c:225: warning: implicit declaration of function ‘RSTRING_PTR’
fcgi.c:225: warning: implicit declaration of function ‘RSTRING_LEN’
fcgi.c:225: warning: passing argument 1 of ‘FCGX_PutStr’ makes pointer from integer without a cast
fcgi.c: In function ‘fcgi_stream_puts_ary’:
fcgi.c:274: warning: implicit declaration of function ‘RARRAY_LEN’
fcgi.c:275: warning: implicit declaration of function ‘RARRAY_PTR’
fcgi.c:275: error: subscripted value is neither array nor pointer
fcgi.c: In function ‘fcgi_stream_puts’:
fcgi.c:308: error: subscripted value is neither array nor pointer
make: *** [fcgi.o] Error 1