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The Ruby Programming Language
branch: trunk

remove ruby_1_9_2 support

git-svn-id: svn+ssh:// b2dd03c8-39d4-4d8f-98ff-823fe69b080e
latest commit dff21f052f
NARUSE, Yui nurse authored
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benchmark benchmark/bm_marshal_dump_flo.rb: new benchmark for [Bug #10761]
bin erb: suppress warnings
bootstraptest * string.c (str_discard): does not free for STR_NOFREE string.
ccan ccan/container_of: add container_of_or_null
coverage fix a typo [ci skip]
cygwin append resources always
defs id.def: move IDs for exception
doc * doc/syntax/calling_methods.rdoc: Fix documentation for "calling_met…
enc make enc/trans
ext io/wait: fix return value for buffered read
gems * gems/bundled_gems: update test-unit to 3.0.9.
include intern.h: rb_str_new_literal
lib * lib/time.rb (strptime): Support %s.%N.
man GC documentation update
misc * misc/ruby-electric.el: Import version 2.2.2 from
missing missing/setproctitle.c: Avoid invalidating argv[1], argv[2], etc. unt…
nacl Fix PNaCl configure/link errors.
sample fix a typo in comment [ci skip]
spec * spec/default.mspec: use default configuration file name.
template fake.rb: rubyarchhdrdir for rubyspec
test test_rubyoptions.rb: use assert_in_out_err
tool remove ruby_1_9_2 support
win32 win32.c: reduce memory size
.document README files renamed
.editorconfig .editorconfig: new
.gdbinit .gdbinit: update for r47913
.gitignore * .gitignore: ignored temporary file with git. * added for ruby-style.
.travis.yml .travis.yml: CONFIG_FLAG
BSDL * BSDL: update copyright notice for 2013. [DOC] Please see _the_ official issue tracker... [ci skip]
COPYING * COPYING: change Ruby's License from a dual license with GPLv2
COPYING.ja Change encoding from EUC-JP to UTF-8. [Feature #5128]
ChangeLog * tool/redmine-backporter.rb: use 'b' instead of 's' for showing
GPL * GPL: update text of GPLv2. [ruby-core:44488] [Bug #6328]
KNOWNBUGS.rb * test/ruby/test_method.rb (test_unlinked_method_entry_in_method_obje…
LEGAL * LEGAL: added license infomation of ccan files. make static IDs symbols local
NEWS * ext/coverage/coverage.c: Add Coverage.peek_result. Allows you to
README.EXT.ja ruby.h: export keyword argument functions * add guidance of mailing list and bugs.r-l.o. * fix slight grammatical error by @abwinkler999.
addr2line.c * addr2line.c (fill_lines): get base addrs in fill_lines to use it
addr2line.h * addr2line.c (fill_lines): loop reverse order not to overwrite
array.c array.c: reduce to_ary call
bignum.c * internal.h: Include ruby.h and ruby/encoding.h to be
class.c * vm_insnhelper.c (rb_vm_rewrite_cref_stack): copy nd_refinements fake.rb: rubyarchhdrdir for rubyspec
compar.c compar.c: variable name [ci skip]
compile.c * vm_core.h: define vm_svar_index.
complex.c complex.c: sign of zeros * set PRELOADENV in Solaris to avoid "wrong ELF class" …
constant.h constant.h: constant visibilities
cont.c * vm_core.h: introduce new field
debug.c rb_id2str over rb_id2name
dir.c dir.c: same encoding to the pattern
dln.c Merges a patch form naclports.
dln.h dln.c: extra arguments
dln_find.c dln_find.c: define S_ISREG
dmydln.c * encoding.c (rb_enc_codepoint_len): Use UNREACHABLE to avoid "control
dmyenc.c load.c: tweak the return value
dmyext.c dmyenc.c: separate
encoding.c use rb_funcallv
enum.c enum.c: Fixnum only
enumerator.c use 0 for reserved
error.c eval.c: static IDs
eval.c eval.c: use the given thread
eval_error.c eval.c: static IDs
eval_intern.h * eval_intern.h, vm.c, vm_eval.c, vm_insnhelper.c:
eval_jump.c eval.c: use the given thread
file.c file.c: fix handle leak
gc.c gc.c: hide internal objects
gc.h * gc.c: rename is_dying_object() to is_garbage_object().
gem_prelude.rb * ruby.c (process_options): revert r30549.
golf_prelude.rb * golf_prelude.rb: syntax formatting for whitespace [Fixes GH-425]
goruby.c goruby.c: suppress warning
hash.c [DOC] ENV keys must be strings [ci skip]
ia64.s * removed trailing spaces.
inits.c * internal.h: Include ruby.h and ruby/encoding.h to be
insns.def insns.def: reverse
internal.h variable.c: rb_search_class_path
io.c io.c: wipe away ioctl buffer
iseq.c compile.c: struct accessors
iseq.h * vm_core.h: define vm_svar_index.
lex.c.blt * defs/keywords (reserved_word): made inline function static.
load.c eval.c: use the given thread
loadpath.c * loadpath.c (RUBY_REVISION): Defined to suppress revision.h
localeinit.c * internal.h: Include ruby.h and ruby/encoding.h to be
main.c * include/ruby/debug.h: introdudced.
marshal.c marshal.c: indetity tables
math.c * math.c (num2dbl_with_to_f): direct casting from Rational to double.
miniinit.c ext/rbconfig/sizeof: move to an extension library
node.c * st.c (numberof): unused. internal.h has same macro.
node.h * Avoid undefined behaviors found by gcc -fsanitize=undefined.
numeric.c numeric.c: calculate complex numbers
object.c use rb_funcallv
pack.c util.c: hexdigit
parse.y use rb_funcallv
prelude.rb * prelude.rb: [DOC] Update Thread::exclusive docs by @stevenharman.
probes.d vm_method.c: add new ruby::method-cache-clear dtrace probe
probes_helper.h probes_helper.h (RUBY_DTRACE_HOOK): correct type for _id
proc.c use rb_funcallv
process.c eval.c: static IDs
random.c random.c: suppress a warning
range.c use rb_funcallv
rational.c * rational.c: removed commented-out code.
re.c re.c: RMatch::regexp can be nil
regcomp.c * reg*.c: Merge Onigmo 5.15.0 38a870960aa7370051a3544
regenc.c * reg*.c: Merge Onigmo 5.15.0 38a870960aa7370051a3544
regenc.h regenc.h: shrink PosixBracketEntryType
regerror.c * regcomp.c: Merge Onigmo 5.14.1 25a8a69fc05ae3b56a09.
regexec.c uninitialized variable
regint.h * Avoid undefined behaviors found by gcc -fsanitize=undefined.
regparse.c regparse.c: remove unused variable
regparse.h * reg*.c: Merge Onigmo 5.15.0 38a870960aa7370051a3544
regsyntax.c * Merge Onigmo-5.13.1. [ruby-dev:45057] [Feature #5820]
ruby.c ruby.c: only for load-relative
ruby_atomic.h ruby_atomic.h (ATOMIC_OR): should return previous value
safe.c safe.c: preserve encoding
signal.c signal.c: nil for invalid signum
siphash.c UNALIGNED_WORD_ACCESS on ppc64
siphash.h * siphash.h: check configure macros before include newer headers.
sparc.c * sparc.c: Use __asm__ instead of asm for gcc.
sprintf.c sprintf.c: ruby specific functions
st.c hash.c: move Hash specific functions
strftime.c * strftime.c (rb_strftime_with_timespec): Test yday range.
string.c string.c: smart chomp
struct.c iseq.c: struct accessors
symbol.c symbol.c: fix memory leak from global fstr hash
symbol.h symbol.c: symbol type predicate functions
thread.c thread.c: micro-optimize thread create/join
thread_pthread.c thread_pthread.c: use rb_pid_t
thread_pthread.h thread_pthread: prefer rb_nativethread* types/functions
thread_win32.c * thread_pthread.c (native_set_thread_name): New function to
thread_win32.h * ext/openssl/depend: remove dependency from internal headers.
time.c time.c: locale time zone name
timev.h, win32/Makefile.sub: PACKED_STRUCT with VC
transcode.c use 0 for reserved
transcode_data.h defines.h: RUBY_SYMBOL_EXPORT_{BEGIN,END}
util.c util.c: hexdigit
variable.c variable.c: rb_search_class_path
version.c version.c: last commit title
version.h * 2015-03-03
vm.c * vm_core.h: define vm_svar_index.
vm_args.c vm_args.c: rb_exc_set_backtrace
vm_backtrace.c use 0 for reserved
vm_core.h * vm_core.h: define vm_svar_index.
vm_debug.h defines.h: RUBY_SYMBOL_EXPORT_{BEGIN,END}
vm_dump.c vm_dump.c: no new strings in signal context
vm_eval.c vm_eval.c: no use of SYM2ID
vm_exec.c * vm_exec.c: improve performance in ppc64 arch.
vm_exec.h * vm_exec.h (VM_DEBUG_STACKOVERFLOW): added.
vm_insnhelper.c * vm_core.h: define vm_svar_index.
vm_insnhelper.h vm_core.h: redefined_flag in rb_vm_t
vm_method.c revert r45487
vm_opts.h fix minor code comment typos
vm_trace.c vm_trace.c: defer interrupts while postponed jobs
vsnprintf.c sprintf.c: ruby specific functions

What's Ruby

Ruby is the interpreted scripting language for quick and easy object-oriented programming. It has many features to process text files and to do system management tasks (as in Perl). It is simple, straight-forward, and extensible.

Features of Ruby

  • Simple Syntax
  • Normal Object-Oriented features(ex. class, method calls)
  • Advanced Object-Oriented features(ex. Mix-in, Singleton-method)
  • Operator Overloading
  • Exception Handling
  • Iterators and Closures
  • Garbage Collection
  • Dynamic Loading of Object files(on some architecture)
  • Highly Portable (works on many Unix-like/POSIX compatible platforms as well as Windows, Mac OS X, BeOS etc.) cf.

How to get Ruby

For a complete list of ways to install Ruby, including using third party tools like rvm, see:

The Ruby distribution files can be found in the following FTP site:

The trunk of the Ruby source tree can be checked out with the following command:

$ svn co ruby

Or if you are using git then use the following command:

$ git clone git://

There are some other branches under development. Try the following command and see the list of branches:

$ svn ls

Or if you are using git then use the following command:

$ git ls-remote git://

Ruby home-page

The URL of the Ruby home-page is:

Mailing list

There is a mailing list to talk about Ruby. To subscribe this list, please send the following phrase


in the mail body (not subject) to the address

How to compile and install

This is what you need to do to compile and install Ruby:

  1. If you want to use Microsoft Visual C++ to compile ruby, read win32/README.win32 instead of this document.

  2. If ./configure does not exist or is older than, run autoconf to (re)generate configure.

  3. Run ./configure, which will generate config.h and Makefile.

    Some C compiler flags may be added by default depending on your environment. Specify optflags=.. and warnflags=.. as necessary to override them.

  4. Edit defines.h if you need. Usually this step will not be needed.

  5. Remove comment mark(#) before the module names from ext/Setup (or add module names if not present), if you want to link modules statically.

    If you don't want to compile non static extension modules (probably on architectures which do not allow dynamic loading), remove comment mark from the line "#option nodynamic" in ext/Setup.

    Usually this step will not be needed.

  6. Run make.

  7. Optionally, run 'make check' to check whether the compiled Ruby interpreter works well. If you see the message "check succeeded", your ruby works as it should (hopefully).

  8. Run 'make install'

    This command will create following directories and install files onto them.

    • ${DESTDIR}${prefix}/bin
    • ${DESTDIR}${prefix}/include/ruby-${MAJOR}.${MINOR}.${TEENY}
    • ${DESTDIR}${prefix}/include/ruby-${MAJOR}.${MINOR}.${TEENY}/${PLATFOR M}
    • ${DESTDIR}${prefix}/lib
    • ${DESTDIR}${prefix}/lib/ruby
    • ${DESTDIR}${prefix}/lib/ruby/${MAJOR}.${MINOR}.${TEENY}
    • ${DESTDIR}${prefix}/lib/ruby/${MAJOR}.${MINOR}.${TEENY}/${PLATFORM}
    • ${DESTDIR}${prefix}/lib/ruby/site_ruby
    • ${DESTDIR}${prefix}/lib/ruby/site_ruby/${MAJOR}.${MINOR}.${TEENY}
    • ${DESTDIR}${prefix}/lib/ruby/site_ruby/${MAJOR}.${MINOR}.${TEENY}/${P LATFORM}
    • ${DESTDIR}${prefix}/lib/ruby/vendor_ruby
    • ${DESTDIR}${prefix}/lib/ruby/vendor_ruby/${MAJOR}.${MINOR}.${TEENY}
    • ${DESTDIR}${prefix}/lib/ruby/vendor_ruby/${MAJOR}.${MINOR}.${TEENY}/$ {PLATFORM}
    • ${DESTDIR}${prefix}/lib/ruby/gems/${MAJOR}.${MINOR}.${TEENY}
    • ${DESTDIR}${prefix}/share/man/man1
    • ${DESTDIR}${prefix}/share/ri/${MAJOR}.${MINOR}.${TEENY}/system

    If Ruby's API version is 'x.y.z', the ${MAJOR} is 'x', the ${MINOR} is 'y', and the ${TEENY} is 'z'.

    NOTE: teeny of the API version may be different from one of Ruby's program version

    You may have to be a super user to install ruby.

If you fail to compile ruby, please send the detailed error report with the error log and machine/OS type, to help others.

Some extension libraries may not get compiled because of lack of necessary external libraries and/or headers, then you will need to run 'make distclean-ext' to remove old configuration after installing them in such case.


See the file COPYING.


Questions about the Ruby language can be asked on the Ruby-Talk mailing list ( or on websites like (

Bug reports should be filed at

The Author

Ruby was originally designed and developed by Yukihiro Matsumoto (Matz) in 1995.

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