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Use RUBY_DEBUG instead of NDEBUG

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Assertions in header files slows down an interpreter, so they should be
turned off by default (simple `make`). To enable them, define a macro
`RUBY_DEBUG=1` (e.g. `make cppflags=-DRUBY_DEBUG` or use `#define` at
the very beggining of the file. Note that even if `NDEBUG=1` is defined,
`RUBY_DEBUG=1` enables all assertions.
[Feature #16837]
related: https://github.com/ruby/ruby/pull/3120

`assert()` lines in MRI *.c is not disabled even if `RUBY_DEBUG=0` and
it can be disabled with `NDEBUG=1`. So please consider to use
`RUBY_ASSERT()` if you want to disable them when `RUBY_DEBUG=0`.
This commit is contained in:
Koichi Sasada 2020-05-20 11:38:44 +09:00
parent b10b37924a
commit 21991e6ca5
Notes: git 2020-05-26 03:21:52 +09:00
19 changed files with 82 additions and 82 deletions
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8
include/ruby/internal/attr/const.h
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@ -36,11 +36,11 @@
# define RBIMPL_ATTR_CONST() /* void */
#endif
/** Enables #RBIMPL_ATTR_CONST iff. #RUBY_NDEBUG. */
#if RUBY_NDEBUG
# define RBIMPL_ATTR_CONST_ON_NDEBUG() RBIMPL_ATTR_CONST()
/** Enables #RBIMPL_ATTR_CONST iff. !RUBY_DEBUG. */
#if !RUBY_DEBUG
# define RBIMPL_ATTR_CONST_UNLESS_DEBUG() RBIMPL_ATTR_CONST()
#else
# define RBIMPL_ATTR_CONST_ON_NDEBUG() /* void */
# define RBIMPL_ATTR_CONST_UNLESS_DEBUG() /* void */
#endif
#endif /* RBIMPL_ATTR_CONST_H */