The Linux compilation ruby1.8.7 has a OpenSSL error

Installation ruby-1.8.7 a compile error. The following: ossl_pkey_ec.c:815:error: ' ec_group_new_curve_gf2m ' undeclared (first use of this function) Ossl _pkey_ec.c:815:error: (Each undeclared identifier are reported only onceossl_pkey_ec.c:815:error:for each function it AP Pears in.) MAKE[1]: * * * [OSSL_PKEY_EC.O] Error 1make[1]: Leaving directory '/home/vagrant/ruby-1.8.7-p357/ext/openssl ' make: * * * [ All] Error 1  workaround is as follows: VI ~/install/ruby-1.8.7-p357/ext/openssl/ossl_pkey_ec.c 4 places below, + number is added:                  method = Ec_gfp_mont_method ();            &N BSP;} else if (id = = s_gfp_nist) {                 method = Ec_gfp_nist_method (); +               #if!defined (openssl_no_ec2m)             &NB SP;} else if (id = = s_gf2m_simple) {                 method = Ec_gf2m_simple_metho D (); +               #endif              }        &NBSP ;    if (method) {             if (id = = S_GFP) {        &N Bsp        new_curve = ec_group_new_curve_gfp;+               #if!defin Ed (openssl_no_ec2m)              } else if (id = = s_gf2m) {        & nbsp        new_curve = ec_group_new_curve_gf2m;+               #endif &NB Sp            } else {                 rb_raise (RB _eargerror, "unknown symbol, must BE:GFP or:gf2m");             }   after the change, then re- The new compilation is as follows:./configure--prefix=/usr/local/rubymakemake Install and then view the ruby version number:/usr/local/ruby/bin/ruby-vruby 1.8.7 ( 2012-02-08 PatchLevel 358) [x86_64-linux]  OK, problem solved.

A openssl error occurred in Linux compilation ruby1.8.7