Installation with RVM:
$ rvm install 2.2.3 --patch https://gist.githubusercontent.com/tdg5/0fba32242ccc39e71577/raw/b0d869e006761c74dac4ed9dbb779a56b424b63c/ruby_tco.patch
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November 2, 2015 13:06
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Patch to install Ruby with tail call optimization enabled by default
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| --- a/vm_opts.h | |
| +++ b/vm_opts.h | |
| @@ -18,8 +18,8 @@ | |
| * Following definitions are default values. | |
| */ | |
| -#define OPT_TRACE_INSTRUCTION 1 | |
| -#define OPT_TAILCALL_OPTIMIZATION 0 | |
| +#define OPT_TRACE_INSTRUCTION 0 | |
| +#define OPT_TAILCALL_OPTIMIZATION 1 | |
| #define OPT_PEEPHOLE_OPTIMIZATION 1 | |
| #define OPT_SPECIALISED_INSTRUCTION 1 | |
| #define OPT_INLINE_CONST_CACHE 1 |
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