Replace `-s` globals with explicit command options and standard long
option names. Group source selection under `--scope` and represent
output behavior as a single mode so command-line precedence is clear.
Keep command-line parsing and option dispatch inside `Mkdepend`, and
return command success directly from `Mkdepend.main`.
Replace `tool/update-deps` with a Ruby source scanner so dependency
updates no longer require GNU make, a configured build, or compiler
preprocessor output.
Keep compact source mappings and scanner declarations in dependency
files, and expand complete rules into the build directory. Avoid the
temporary fixture headers required by the compiler-driven prototype.
Use the generated rules from GNU make, BSD make, and NMake builds.
Support out-of-tree and read-only source trees, and retain expanded
dependencies shipped in release archives when baseruby is unavailable.
The default non-transformed name, `ruby` target was added for the case
of `--program-transform-name` and similars, but it was occasionally
added even when no such option is used.
If the revision of bundled gems is specified for ruby master (and
`git` is usable), checkout that revision and build a snapshot gem, and
use it for `test-spec` instead of the downloaded release version.
This commit allows building YJIT and ZJIT simultaneously, a "combo
build". Previously, `./configure --enable-yjit --enable-zjit` failed. At
runtime, though, only one of the two can be enabled at a time.
Add a root Cargo workspace that contains both the yjit and zjit crate.
The common Rust build integration mechanisms are factored out into
defs/jit.mk.
Combo YJIT+ZJIT dev builds are supported; if either JIT uses
`--enable-*=dev`, both of them are built in dev mode.
The combo build requires Cargo, but building one JIT at a time with only
rustc in release build remains supported.
* Since it does not work when using some configure options such as:
.../configure --with-ext=-test-/cxxanyargs,+ --enable-shared
as the CI does.
* It also duplicates the logic of spec/ruby/optional/capi/spec_helper.rb incorrectly.
ruby/spec maintainers have no experience and no interest in dealing with these complicated CRuby build system issues.
We asked help on the CRuby Slack and nobody helped so far.
* But it doesn't work because there is no .ext/include/ruby/digest.h
when using .../configure --with-ext=-test-/cxxanyargs,+ --enable-shared
as the CI does.
Not to build the rubyspec-capiext extension libraries again on the
next build after the build all extensions get built, ensure these
extensions are up to date when recursively building from exts.mk.
By replacing `ALLOBJS` suffix with intermediate file suffixes instead
of roughly removing by wildcards. Made `cleanlibs` append `.dSYM`
suffix for each word in `TARGET_SO`, not the end of the entire list.
When I shared srcdir as read-only in lima-vm,
`make install` causes following error:
```
Update rbs to 33813a60752624d58dfe5ae770b39bfaf29fbaf1
error: cannot open .git/FETCH_HEAD: Read-only file system
```
I cannot find any ignore option for `git checkout --detach`
when already checked out. So I add `if`.
