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extconf.rb fails with ruby 3.2.0preview3 and onwards #30

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mtasaka opened this issue Dec 1, 2022 · 0 comments · May be fixed by #31
Open

extconf.rb fails with ruby 3.2.0preview3 and onwards #30

mtasaka opened this issue Dec 1, 2022 · 0 comments · May be fixed by #31

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@mtasaka
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mtasaka commented Dec 1, 2022

For ruby-shadow 2.5.1, $ ruby extconf.rb with ruby 3.2.0preview3 and onwards fails like:

[mockbuild@6df3d7ad097f49839ba1c83ed9e69826 ruby-shadow-2.5.1]$ ruby extconf.rb
checking for ruby/io.h... yes
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
	--with-opt-dir
	--without-opt-dir
	--with-opt-include
	--without-opt-include=${opt-dir}/include
	--with-opt-lib
	--without-opt-lib=${opt-dir}/lib64
	--with-make-prog
	--without-make-prog
	--srcdir=.
	--curdir
	--ruby=/usr/bin/$(RUBY_BASE_NAME)
	--with-ruby-dir
	--without-ruby-dir
	--with-ruby-include
	--without-ruby-include=${ruby-dir}/include
	--with-ruby-lib
	--without-ruby-lib=${ruby-dir}/lib64
extconf.rb:68:in `<main>': You are missing some of the required functions from either shadow.h on Linux/Solaris, or pwd.h on FreeBSD/MirBSD/NetBSD/OpenBSD/OS X. (RuntimeError)

Note that with ruby3.2.0preview3 p CONFIG['host_os'] returns "$(target_os)". This is due to ruby/ruby@ed9d761 . In mkmf.rb, CONFIG is defined as RbConfig::MAKEFILE_CONFIG and RbConfig::MAKEFILE_CONFIG is almost same as RbConfig::CONFIG except that RbConfig::MAKEFILE_CONFIG uses reference for other variables.
mtasaka added a commit to mtasaka/ruby-shadow that referenced this issue Dec 1, 2022
@mtasaka
extconf.rb: use Rbconfig::CONFIG instead of mkmf CONFIG
eab4aba 
In mkmf.rb CONFIG is defined as CONFIG is defined as RbConfig::MAKEFILE_CONFIG
and RbConfig::MAKEFILE_CONFIG is almost same as RbConfig::CONFIG
except that RbConfig::MAKEFILE_CONFIG uses reference for other variables.

Using CONFIG in extconf.rb causes error with ruby3.2 because now
CONFIG['host_os'] uses reference for target_os variable, and extconf.rb
expects that this variable is all expanded. So instead, use RbConfig::CONFIG .

Closes apalmblad#30
@mtasaka mtasaka linked a pull request Dec 1, 2022 that will close this issue
Open
64kramsystem pushed a commit to ticketsolve/ruby-shadow-ruby32 that referenced this issue May 2, 2023
@mtasaka @64kramsystem
extconf.rb: use Rbconfig::CONFIG instead of mkmf CONFIG
0227888 
In mkmf.rb CONFIG is defined as CONFIG is defined as RbConfig::MAKEFILE_CONFIG
and RbConfig::MAKEFILE_CONFIG is almost same as RbConfig::CONFIG
except that RbConfig::MAKEFILE_CONFIG uses reference for other variables.

Using CONFIG in extconf.rb causes error with ruby3.2 because now
CONFIG['host_os'] uses reference for target_os variable, and extconf.rb
expects that this variable is all expanded. So instead, use RbConfig::CONFIG .

Closes apalmblad#30
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extconf.rb: use Rbconfig::CONFIG instead of mkmf CONFIG mtasaka/ruby-shadow
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@mtasaka