[ruby-core:106421] [Ruby master Bug#18373] RBS build failure: '/include/x86_64-linux/ruby/config.h', needed by 'constants.o'.

Issue #18373 has been updated by xtkoba (Tee KOBAYASHI).


FYI, in my environment ruby-3.1.0-preview1 can be cross-installed without error for `aarch64-linux-android` target (with build host being `x86_64-linux-gnu`).

Some observation:

```
$ grep 'config\.h' /var/tmp/build/arm64-v8a/lib/ruby/gems/3.1.0/gems/rbs-1.7.0.beta.5/ext/rbs_extension/Makefile
ruby_headers = $(hdrdir)/ruby.h $(hdrdir)/ruby/backward.h $(hdrdir)/ruby/ruby.h $(hdrdir)/ruby/defines.h $(hdrdir)/ruby/missing.h $(hdrdir)/ruby/intern.h $(hdrdir)/ruby/st.h $(hdrdir)/ruby/subst.h $(arch_hdrdir)/ruby/config.h

$ grep '^arch_hdrdir' /var/tmp/build/arm64-v8a/lib/ruby/gems/3.1.0/gems/rbs-1.7.0.beta.5/ext/rbs_extension/Makefile
arch_hdrdir = /var/tmp/ruby-3.1.0-preview1/.build-android-aarch64/.ext/include/aarch64-linux-android
```

So I guess in your environment `arch_hdrdir` in `Makefile` for gem extension is incorrectly defined as `/include/x86_64-linux`, though I don't know why.

----------------------------------------
Bug #18373: RBS build failure: '/include/x86_64-linux/ruby/config.h', needed by 'constants.o'.
https://bugs.ruby-lang.org/issues/18373#change-95062

* Author: vo.x (Vit Ondruch)
* Status: Open
* Priority: Normal
* ruby -v: ruby 3.1.0dev (2021-12-01 master 0b53a8895f) [x86_64-linux]
* Backport: 2.6: UNKNOWN, 2.7: UNKNOWN, 3.0: UNKNOWN
----------------------------------------
Trying to build Ruby 3.1.0 preview1 (or the current snapshot), I observe the following issue during installation of bundled RBS:

~~~
Building native extensions. This could take a while...
/builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/builder.rb:95:in `run': ERROR: Failed to build gem native extension. (Gem::Ext::BuildError)

    current directory: /builddir/build/BUILDROOT/ruby-3.1.0-0.1.20211201git0b53a8895f.fc36.x86_64/usr/share/ruby/gems/gems/rbs-1.7.1/ext/rbs_extension
/builddir/build/BUILDROOT/ruby-3.1.0-0.1.20211201git0b53a8895f.fc36.x86_64/usr/bin/ruby --disable\\=gems -I/builddir/build/BUILDROOT/ruby-3.1.0-0.1.20211201git0b53a8895f.fc36.x86_64/usr/lib64/ruby -I /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib -r ./siteconf20211201-24852-213cgt.rb extconf.rb
creating Makefile

current directory: /builddir/build/BUILDROOT/ruby-3.1.0-0.1.20211201git0b53a8895f.fc36.x86_64/usr/share/ruby/gems/gems/rbs-1.7.1/ext/rbs_extension
make DESTDIR\\= clean
make[1]: Entering directory '/builddir/build/BUILDROOT/ruby-3.1.0-0.1.20211201git0b53a8895f.fc36.x86_64/usr/share/ruby/gems/gems/rbs-1.7.1/ext/rbs_extension'
rm -f 
rm -fr rbs_extension.so false *.o  *.bak mkmf.log .*.time
make[1]: Leaving directory '/builddir/build/BUILDROOT/ruby-3.1.0-0.1.20211201git0b53a8895f.fc36.x86_64/usr/share/ruby/gems/gems/rbs-1.7.1/ext/rbs_extension'

current directory: /builddir/build/BUILDROOT/ruby-3.1.0-0.1.20211201git0b53a8895f.fc36.x86_64/usr/share/ruby/gems/gems/rbs-1.7.1/ext/rbs_extension
make DESTDIR\\=
make[1]: Entering directory '/builddir/build/BUILDROOT/ruby-3.1.0-0.1.20211201git0b53a8895f.fc36.x86_64/usr/share/ruby/gems/gems/rbs-1.7.1/ext/rbs_extension'
make[1]: *** No rule to make target '/include/x86_64-linux/ruby/config.h', needed by 'constants.o'.  Stop.
make[1]: Leaving directory '/builddir/build/BUILDROOT/ruby-3.1.0-0.1.20211201git0b53a8895f.fc36.x86_64/usr/share/ruby/gems/gems/rbs-1.7.1/ext/rbs_extension'

make failed, exit code 2

Gem files will remain installed in /builddir/build/BUILDROOT/ruby-3.1.0-0.1.20211201git0b53a8895f.fc36.x86_64/usr/share/ruby/gems/gems/rbs-1.7.1 for inspection.
Results logged to /builddir/build/BUILDROOT/ruby-3.1.0-0.1.20211201git0b53a8895f.fc36.x86_64/usr/share/ruby/gems/extensions/x86_64-linux/3.1.0/rbs-1.7.1/gem_make.out
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/builder.rb:44:in `block in make'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/builder.rb:36:in `each'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/builder.rb:36:in `make'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/ext_conf_builder.rb:63:in `block in build'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/tempfile.rb:317:in `open'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/ext_conf_builder.rb:26:in `build'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/builder.rb:161:in `build_extension'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/builder.rb:195:in `block in build_extensions'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/builder.rb:192:in `each'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/builder.rb:192:in `build_extensions'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/installer.rb:837:in `build_extensions'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/installer.rb:318:in `install'
	from ./tool/rbinstall.rb:895:in `block in install'
	from ./tool/rbinstall.rb:719:in `no_write'
	from ./tool/rbinstall.rb:895:in `install'
	from ./tool/rbinstall.rb:1062:in `block (2 levels) in <main>'
	from ./tool/rbinstall.rb:1037:in `foreach'
	from ./tool/rbinstall.rb:1037:in `block in <main>'
	from ./tool/rbinstall.rb:1121:in `block in <main>'
	from ./tool/rbinstall.rb:1118:in `each'
	from ./tool/rbinstall.rb:1118:in `<main>'
/builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/builder.rb:95:in `run': make failed, exit code 2 (Gem::InstallError)
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/builder.rb:44:in `block in make'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/builder.rb:36:in `each'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/builder.rb:36:in `make'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/ext_conf_builder.rb:63:in `block in build'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/tempfile.rb:317:in `open'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/ext_conf_builder.rb:26:in `build'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/builder.rb:161:in `build_extension'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/builder.rb:195:in `block in build_extensions'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/builder.rb:192:in `each'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/ext/builder.rb:192:in `build_extensions'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/installer.rb:837:in `build_extensions'
	from /builddir/build/BUILD/ruby-3.1.0-0b53a8895f/lib/rubygems/installer.rb:318:in `install'
	from ./tool/rbinstall.rb:895:in `block in install'
	from ./tool/rbinstall.rb:719:in `no_write'
	from ./tool/rbinstall.rb:895:in `install'
	from ./tool/rbinstall.rb:1062:in `block (2 levels) in <main>'
	from ./tool/rbinstall.rb:1037:in `foreach'
	from ./tool/rbinstall.rb:1037:in `block in <main>'
	from ./tool/rbinstall.rb:1121:in `block in <main>'
	from ./tool/rbinstall.rb:1118:in `each'
	from ./tool/rbinstall.rb:1118:in `<main>'
make: *** [uncommon.mk:383: do-install-all] Error 1
error: Bad exit status from /var/tmp/rpm-tmp.cpHVoZ (%install)
    Bad exit status from /var/tmp/rpm-tmp.cpHVoZ (%install)
~~~

This is probably fault of RubyGems, but also, RBS have not contained binary extension previously, if I am not mistaken. So I am not entirely sure.

BTW there is not Ruby installed on the build system, so this should work with the Ruby being build.



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