generate *.inc. because insns.def encoding has been changed SJIS to
UTF-8. if $BASERUBY is 1.9, -Ks cause an error. [Feature #5128]
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* common.mk (ECHO1): ":" in a make variable replacement cause a syntax
error with /usr/ccs/bin/make on Solaris. Uses $(NULLCMD) instead.
* configure.in (NULLCMD): new check.
* Makefile.in (NULLCMD): Reflects checking in configure.
* win32/Makefile.sub (NULLCMD): new assignment.
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* common.mk (showconfig): show configure flags, like as
`config.status --config' generated by recent autoconf.
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* configure.in (rb_cv_dynamic_alloca): check if extra source for
dynamic size alloca.
* missing/x86_64-chkstk.s (___chkstk): necessary for alloca of
amd64-mingw32msvc-gcc on Ubutu.
* thread_win32.c (ruby_alloca_chkstk): check stack overflow
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* tool/rbinstall.rb: install pc file only if non-empty.
[ruby-core:32901] #3983
* win32/Makefile.sub (ruby_pc): create pc file.
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from test-rubyspec.
* common.mk (test-rubyspec): moved from Makefile.in.
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semicolon when omitting "in WORDS" of FOR-statement.
* tool/rmdirs: ditto.
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FOR-statement is not allowed in /bin/sh on Solaris. fore-ported
r28609 from 1.9.2.
* tool/rmdirs: ditto.
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has been failing when doxygen(1) is found by configure but the
variable is not defined by the system and make(1) does not allow
an empty command. ("@$(DOXYGEN)" was the cause)
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* defs/dtrace.d: new file. defined a dtrace provider "ruby".
* include/ruby/ruby.h (LIKELY): moved from vm.c.
(UNLIKELY): ditto.
(OBJSETUP): probe "object-create".
(RUBY_EVENT_RESCUE): new event.
* vm_exec.c (DEBUG_ENTER_INSN): embeded a probe insn-entry into it.
(DEBUG_END_INSN): insn-return.
* vm.c (LIKELY): moved into ruby.h.
(UNLIKELY): ditto.
(Init_BareVM): embeded a probe "raise" into it.
* variable.c (rb_class2name_without_alloc): new utility function.
* tool/rbinstall.rb (install?(:ext, :arch, :'ext-arch')): installs
dtrace.d if necessary.
* thread_pthread.c (add_signal_thread_list): probe "raise".
(rb_thread_create_timer_thread): ditto.
* thread.c (rb_thread_schedule_rec): probes "thread-enter" and
"thread-leave",
(thread_start_func_2): ditto.
(thread_cleanup_func): probe "thread-term"
* lib/mkmf.rb: supports dtrace postprocessor on making an extension.
* iseq.c (rb_vm_insn_name): new utility function.
(rb_vm_insn_len): ditto.
* insns.def (hook): probes "method-etnry", "method-return", "line",
and "rescue".
* compile.c (iseq_compile_each): adds a trace op for "rescue" probe.
* gc.c (garbage_collect): probes "gc-begin" and "gc-end".
(obj_free): probe "object-free"
(garbage_collect_with_gvl): probe "raise"
(negative_size_allocation_error): ditto.
(rb_memerror): ditto.
* eval.c (rb_rescue2): probe "rescue"
(rb_longjmp): probe "raise"
* ext/probe/probe.c: new extension for application defined probes.
* ext/probe/extconf.rb: ditto.
* configure.in (--with-tracing-model): new option to choose a tracing
mechanism.
(DTRACE): new substitution. name of dtrace(1).
(RUBY_TRACING_MODEL): new substitution.
(DTRACE_OBJ): ditto.
(MINIDTRACE_OBJ): ditto.
(GOLFDTRACE_OBJ): ditto.
(LIBRUBY_DTRACE_OBJ): ditto.
(RUBY_DTRACE_POSTPROCESS): new macro. checks whether the dtrace on
the system needs postprocessing.
(RUBY_DTRACE_BSD_BROKEN): new macro. checks whether the dtrace
supports USDT.
* Makefile.in:
(DTRACE): new variable. name of dtrace(1).
(TRACING_MODEL): new variable. name of the chosen tracing mechanism.
(DTRACE_OBJ): same as the one in configure.in.
(MINIDTRACE_OBJ): ditto.
(GOLFDTRACE_OBJ): ditto.
(LIBRUBY_DTRACE_OBJ): ditto.
(CPPOUTFILE): new substitution. necessary for generating dtrace.d
(trace_none.h): new target for TRACING_MODEL=none
(RUBY_H_INCLUDES): appended a header for tracing.
(distclean-local): also removes preprocessed version of dtrace.d
($(LIBRUBY_A)): needs $(LIBRUBY_DTRACE_OBJ) if dtrace needs
postprocessing.
($(PROGRAM)): ditto.
(golf): ditto.
(miniruby): ditto.
($(arch_hdrdir)/ruby/dtrace.d): new target. preprocessed verson
of defs/dtrace.d. generated if necessary.
($(arch_hdrdir)/ruby/trace_dtrace.h): new target.
definition of probes.
($(LIBRUBY_DTRACE_OBJ)): new target. generated if dtrace needs
postprocessing.
($(DTRACE_OBJ)): ditto.
($(MINIDTRACE_OBJ)): ditto.
($(GOLFDTRACE_OBJ)): ditto.
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ruby without current libraries.
* common.mk (rdoc): use XRUBY.
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