ccache: rework forumula to build without build options

[Git-Jiro]

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• Have you checked that there aren't other open pull requests for the same formula update/change?
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• Does your build pass brew audit --strict <formula> (after doing brew install <formula>)?

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This PR should fix ccache related issues related to: #13133

@ilovezfs This solution works with ccache --HEAD as well.

[Git-Jiro]

I just noticed, maybe this solution would work as well here: #6402

[Git-Jiro]

Yes, this solution seem to apply here as well: #6402

[ilovezfs]

@Git-Jiro yeah the question is whether asciidoc built --with-docbook-xsl is actually itself any different from asciidoc built without the option, or if the only difference is the extra dependency itself. I've been suspecting for some time it may be the latter, in which case this would be the correct solution, and we could probably remove the option from asciidoc too.

[Git-Jiro]

In case of ccache (and makepkg) both solutions seem to be viable.

[apjanke]

I believe the only difference for asciidoc --with-docbook-xsl is the dependency. I installed it locally from source using both the default options and --with-docbook-xsl, and the only difference in the installed files is in brew's own INSTALL_RECEIPT.

[~/tmp/asciidoc-with-xsl]
$ diff -r default with-docbook-xsl
diff -r default/asciidoc/8.6.9_1/INSTALL_RECEIPT.json with-docbook-xsl/asciidoc/8.6.9_1/INSTALL_RECEIPT.json
1c1
< {"homebrew_version":"1.3.5-26-gcf34901","used_options":[],"unused_options":["--with-docbook-xsl"],"built_as_bottle":false,"poured_from_bottle":false,"installed_as_dependency":false,"installed_on_request":true,"changed_files":null,"time":1508277128,"source_modified_time":1383773580,"HEAD":"cf349018d5cc508ddd2bd0797df47688b9f7346b","stdlib":null,"compiler":"clang","aliases":[],"runtime_dependencies":[{"full_name":"docbook","version":"5.0"}],"source":{"path":"/usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/asciidoc.rb","tap":"homebrew/core","spec":"stable","versions":{"stable":"8.6.9","devel":null,"head":"HEAD","version_scheme":0}}}
\ No newline at end of file
---
> {"homebrew_version":"1.3.5-26-gcf34901","used_options":["--with-docbook-xsl"],"unused_options":[],"built_as_bottle":false,"poured_from_bottle":false,"installed_as_dependency":false,"installed_on_request":true,"changed_files":null,"time":1508277006,"source_modified_time":1383773580,"HEAD":"cf349018d5cc508ddd2bd0797df47688b9f7346b","stdlib":null,"compiler":"clang","aliases":[],"runtime_dependencies":[{"full_name":"docbook","version":"5.0"},{"full_name":"docbook-xsl","version":"1.79.1"}],"source":{"path":"/usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/asciidoc.rb","tap":"homebrew/core","spec":"stable","versions":{"stable":"8.6.9","devel":null,"head":"HEAD","version_scheme":0}}}
\ No newline at end of file
[✘ ~/tmp/asciidoc-with-xsl]
$

[Git-Jiro]

@apjanke @ilovezfs that sounds like the "with-docbook-xsl" option of asciidoc was unnecessary in the first place?

[JCount]

@Git-Jiro Thank you for the PR!! 😄