##- Bitte geben Sie Ihre Antwort über dieser Zeile ein. -## Sie sind in dieser Supportanfrage (1955167) auf CC gesetzt. Antworten Sie auf diese E-Mail, um Kommentare zur Anfrage hinzuzufügen. *Ruby users* 27. Feb. 2023, 22:24 MEZ Hi, In &lt;CAD489_xmJUsZkPzzbhJPXi3naKn18fpt+Dj1_uVYf945p9FeZA(a)mail.gmail.com&gt; "[ruby-talk:444148] How to load ruby-openssl headers in a C extension" on Mon, 27 Feb 2023 11:27:52 +0000, Tiago Cardoso via ruby-talk &lt;ruby-talk(a)ml.ruby-lang.org&gt; wrote: which https://github.com/ruby/openssl/blob/ea0a112a0c6a0498629e778af7991c9b4e3495… ruby.h, You can use Gem::Specification for it in your extconf.rb: spec = Gem::Specification.find_by_name("openssl") source_dir = File.join(spec.full_gem_path, "ext", "openssl") $INCFLAGS += " -I#{source_dir}" See also: https://github.com/groonga/mysql2-replication/blob/main/ext/mysql2-replicat… Thanks, -- kou ______________________________________________ ruby-talk mailing list -- ruby-talk(a)ml.ruby-lang.org To unsubscribe send an email to ruby-talk-leave(a)ml.ruby-lang.org ruby-talk info -- https://ml.ruby-lang.org/mailman3/postorius/lists/ruby-talk.ml.ruby-lang.or… *Ruby users* 27. Feb. 2023, 21:28 MEZ On 2/27/23, Tiago Cardoso via ruby-talk &lt;ruby-talk(a)ml.ruby-lang.org&gt; wrote: specifically its C extension headers. So, you mean, e.g., these: https://github.com/ruby/openssl/blob/master/ext/openssl/ https://github.com/ruby/openssl/blob/master/ext/openssl/ossl.h It doesn't look like the extension installs those headers: https://github.com/ruby/openssl/blob/master/ext/openssl/extconf.rb E.g., ruby/digest installs digest.h https://github.com/ruby/digest/blob/master/ext/digest/extconf.rb $INSTALLFILES = { "digest.h" => "$(HDRDIR)" } if $extmk ______________________________________________ ruby-talk mailing list -- ruby-talk(a)ml.ruby-lang.org To unsubscribe send an email to ruby-talk-leave(a)ml.ruby-lang.org ruby-talk info -- https://ml.ruby-lang.org/mailman3/postorius/lists/ruby-talk.ml.ruby-lang.or… *Ruby users* 27. Feb. 2023, 20:34 MEZ Hi Mohit, Thx for the reply. "#include <openssl/ossl.h>" is to access headers from openssl "the library", whereas I want to access the headers of openssl "the ruby library", or more specifically its C extension headers. Both "#include <ruby/ruby.h>" and "#include <sys/time.h>" do not apply to my use-case: the first is a header file from the ruby distribution, not an stdlib, whereas the latter is a (non-ruby related) system library. Best regards, Tiago Mohit Sindhwani &lt;mo_mail(a)onghu.com&gt; escreveu no dia segunda, 27/02/2023 à(s) 16:35: Hi Tiago, On 2023-2-27 7:27 pm, Tiago Cardoso via ruby-talk wrote: I'm writing a C extension which interfaces with ruby-openssl objects, and the openssl API. In the process, I'm needing access to some functions which ruby-openssl declares in the header file: https://github.com/ruby/openssl/blob/ea0a112a0c6a0498629e778af7991c9b4e3495… (example: ossl_raise). However, it's not clear to me how should I declare the #include in order to access it, for a header file coming from stdlib. Seems that ruby itself correctly places its header files (examples: ruby.h, or ruby/io.h), but I don't see the openssl gem ones. The beginning of my C file looks like: ```C #include <ruby.h> #include <openssl/evp.h> #include <pathto/openssl/ossl.h> // how to do this? ``` What is the error that you are getting? I would have that it should just work with "#include <openssl/ossl.h>" on the idea that it's relative to the system include directory but I am still exploring how C native extensions work but I thought it should have worked since I see other gems (e.g., grpc) include other items like: #include <ruby/ruby.h> #include <sys/time.h> Best regards, Mohit. *Ruby users* 27. Feb. 2023, 12:28 MEZ Hi, I'm writing a C extension which interfaces with ruby-openssl objects, and the openssl API. In the process, I'm needing access to some functions which ruby-openssl declares in the header file: https://github.com/ruby/openssl/blob/ea0a112a0c6a0498629e778af7991c9b4e3495… (example: ossl_raise). However, it's not clear to me how should I declare the #include in order to access it, for a header file coming from stdlib. Seems that ruby itself correctly places its header files (examples: ruby.h, or ruby/io.h), but I don't see the openssl gem ones. The beginning of my C file looks like: ```C #include <ruby.h> #include <openssl/evp.h> #include <pathto/openssl/ossl.h> // how to do this? ``` Thx, Tiago Avocado Store GmbH Cremon 32, 20457 Hamburg avocadostore.de <https://www.avocadostore.de> - Eco Fashion & Green Lifestyle [image: Instagram] <https://www.instagram.com/avocadostore.de> [image: Facebook] <https://de-de.facebook.com/avocadostore> [image: Pinterest] <https://pinterest.com/avocadostore> [image: TikTok] <https://www.tiktok.com/@avocadostore.de> [image: LinkedIn] <https://www.linkedin.com/company/avocadostore> Eine E-Mail verursacht durchschnittlich 4 g CO2, mit Anhang bis zu 50 g. Jährlich bedeutet das 135 kg CO2-Emissionen pro Kopf. Verringere deine Emissionen, indem du nur notwendige E-Mails verschickst und regelmäßig E-Mails löschst. Registergericht: Amtsgericht Hamburg, HRB 113545 Umsatzsteuer-Identifikationsnummer: DE270706065 Geschäftsführung: Mimi Sewalski & Till Junkermann [V03OR4-EQ4Z8]