Issue #15390 has been updated by ctm (Cliff Matthews).


Thank you Nobuyoshi!

As you know, I indeed was overlooking something, specifically your comment and link on note #2 when you correctly changed the Status to "Third Party's Issue."  I saw the workaround in note #1 and the confirmation that the workaround worked in note #3 and conflated the workaround with the actual work you had already done (that I overlooked) that not only diagnosed the actual problem, but supplied a PR.

I apologize for wasting your (and anyone else who read my comments) time.



----------------------------------------
Bug #15390: Error installing nokogiri on ruby-2.6.0-rc1 
https://bugs.ruby-lang.org/issues/15390#change-75769

* Author: ned (Nedim Hadzimahmutovic)
* Status: Third Party's Issue
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: ruby 2.6.0rc2 (2018-12-15 trunk 66408) [x86_64-darwin18]
* Backport: 2.4: UNKNOWN, 2.5: UNKNOWN
----------------------------------------
I am having issues with installing nokogiri on my Mac, Mojave 10.14.1 (18B75).


~~~ text
nedims-MacBook-Pro:~ nedim$ rvm use ruby-2.6.0-rc1
Using /Users/nedim/.rvm/gems/ruby-2.6.0-rc1
nedims-MacBook-Pro:~ nedim$ gem install nokogiri
Building native extensions. This could take a while...
ERROR:  Error installing nokogiri:
	ERROR: Failed to build gem native extension.

    current directory: /Users/nedim/.rvm/gems/ruby-2.6.0-rc1/gems/nokogiri-1.8.5/ext/nokogiri
/Users/nedim/.rvm/rubies/ruby-2.6.0-rc1/bin/ruby -I /Users/nedim/.rvm/rubies/ruby-2.6.0-rc1/lib/ruby/2.6.0 -r ./siteconf20181207-15716-1b00x63.rb extconf.rb
checking if the C compiler accepts ... yes
checking if the C compiler accepts -Wno-error=unused-command-line-argument-hard-error-in-future... no
Building nokogiri using packaged libraries.
Using mini_portile version 2.3.0
checking for iconv.h... yes
checking for gzdopen() in -lz... yes
sh: CC_WRAPPER: command not found
checking for iconv using --with-opt-* flags... yes
************************************************************************
IMPORTANT NOTICE:

Building Nokogiri with a packaged version of libxml2-2.9.8
with the following patches applied:
	- 0001-Revert-Do-not-URI-escape-in-server-side-includes.patch
	- 0002-Fix-nullptr-deref-with-XPath-logic-ops.patch
	- 0003-Fix-infinite-loop-in-LZMA-decompression.patch

Team Nokogiri will keep on doing their best to provide security
updates in a timely manner, but if this is a concern for you and want
to use the system library instead; abort this installation process and
reinstall nokogiri as follows:

    gem install nokogiri -- --use-system-libraries
        [--with-xml2-config=/path/to/xml2-config]
        [--with-xslt-config=/path/to/xslt-config]

If you are using Bundler, tell it to use the option:

    bundle config build.nokogiri --use-system-libraries
    bundle install

Note, however, that nokogiri is not fully compatible with arbitrary
versions of libxml2 provided by OS/package vendors.
************************************************************************
Extracting libxml2-2.9.8.tar.gz into tmp/x86_64-apple-darwin18.2.0/ports/libxml2/2.9.8... OK
Running git apply with /Users/nedim/.rvm/gems/ruby-2.6.0-rc1/gems/nokogiri-1.8.5/patches/libxml2/0001-Revert-Do-not-URI-escape-in-server-side-includes.patch... OK
Running git apply with /Users/nedim/.rvm/gems/ruby-2.6.0-rc1/gems/nokogiri-1.8.5/patches/libxml2/0002-Fix-nullptr-deref-with-XPath-logic-ops.patch... OK
Running git apply with /Users/nedim/.rvm/gems/ruby-2.6.0-rc1/gems/nokogiri-1.8.5/patches/libxml2/0003-Fix-infinite-loop-in-LZMA-decompression.patch... OK
Running 'configure' for libxml2 2.9.8... ERROR, review '/Users/nedim/.rvm/gems/ruby-2.6.0-rc1/gems/nokogiri-1.8.5/ext/nokogiri/tmp/x86_64-apple-darwin18.2.0/ports/libxml2/2.9.8/configure.log' to see what happened. Last lines are:
========================================================================
checking whether to enable maintainer-specific portions of Makefiles... yes
checking build system type... x86_64-apple-darwin18.2.0
checking host system type... x86_64-apple-darwin18.2.0
checking for a BSD-compatible install... /usr/local/bin/ginstall -c
checking whether build environment is sane... yes
checking for x86_64-apple-darwin18.2.0-strip... no
checking for strip... strip
checking for a thread-safe mkdir -p... /usr/local/bin/gmkdir -p
checking for gawk... no
checking for mawk... no
checking for nawk... no
checking for awk... awk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking whether make supports nested variables... (cached) yes
checking for x86_64-apple-darwin18.2.0-gcc... $(CC_WRAPPER) gcc
checking whether the C compiler works... no
configure: error: in `/Users/nedim/.rvm/gems/ruby-2.6.0-rc1/gems/nokogiri-1.8.5/ext/nokogiri/tmp/x86_64-apple-darwin18.2.0/ports/libxml2/2.9.8/libxml2-2.9.8':
configure: error: C compiler cannot create executables
See `config.log' for more details
========================================================================
*** 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
	--with-opt-include
	--without-opt-include=${opt-dir}/include
	--with-opt-lib
	--without-opt-lib=${opt-dir}/lib
	--with-make-prog
	--without-make-prog
	--srcdir=.
	--curdir
	--ruby=/Users/nedim/.rvm/rubies/ruby-2.6.0-rc1/bin/$(RUBY_BASE_NAME)
	--help
	--clean
	--use-system-libraries
	--enable-static
	--disable-static
	--with-zlib-dir
	--without-zlib-dir
	--with-zlib-include
	--without-zlib-include=${zlib-dir}/include
	--with-zlib-lib
	--without-zlib-lib=${zlib-dir}/lib
	--enable-cross-build
	--disable-cross-build
/Users/nedim/.rvm/gems/ruby-2.6.0-rc1/gems/mini_portile2-2.3.0/lib/mini_portile2/mini_portile.rb:402:in `block in execute': Failed to complete configure task (RuntimeError)
	from /Users/nedim/.rvm/gems/ruby-2.6.0-rc1/gems/mini_portile2-2.3.0/lib/mini_portile2/mini_portile.rb:373:in `chdir'
	from /Users/nedim/.rvm/gems/ruby-2.6.0-rc1/gems/mini_portile2-2.3.0/lib/mini_portile2/mini_portile.rb:373:in `execute'
	from /Users/nedim/.rvm/gems/ruby-2.6.0-rc1/gems/mini_portile2-2.3.0/lib/mini_portile2/mini_portile.rb:110:in `configure'
	from /Users/nedim/.rvm/gems/ruby-2.6.0-rc1/gems/mini_portile2-2.3.0/lib/mini_portile2/mini_portile.rb:153:in `cook'
	from extconf.rb:365:in `block (2 levels) in process_recipe'
	from extconf.rb:257:in `block in chdir_for_build'
	from extconf.rb:256:in `chdir'
	from extconf.rb:256:in `chdir_for_build'
	from extconf.rb:364:in `block in process_recipe'
	from extconf.rb:262:in `tap'
	from extconf.rb:262:in `process_recipe'
	from extconf.rb:551:in `<main>'

To see why this extension failed to compile, please check the mkmf.log which can be found here:

  /Users/nedim/.rvm/gems/ruby-2.6.0-rc1/extensions/x86_64-darwin-18/2.6.0/nokogiri-1.8.5/mkmf.log

extconf failed, exit code 1

Gem files will remain installed in /Users/nedim/.rvm/gems/ruby-2.6.0-rc1/gems/nokogiri-1.8.5 for inspection.
Results logged to /Users/nedim/.rvm/gems/ruby-2.6.0-rc1/extensions/x86_64-darwin-18/2.6.0/nokogiri-1.8.5/gem_make.out
nedims-MacBook-Pro:~ nedim$ 

~~~




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