Re: notmuch release 0.20.2 now available

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+From: David Bremner <david@tethera.net>\r
+To: Suvayu Ali <fatkasuvayu+linux@gmail.com>, notmuch@notmuchmail.org\r
+Subject: Re: notmuch release 0.20.2 now available\r
+In-Reply-To: <20150630084018.GO24926@chitra.no-ip.org>\r
+References: <87h9pplqer.fsf@maritornes.cs.unb.ca>\r
+ <20150630063942.GM24926@chitra.no-ip.org>\r
+ <87a8vhlkdv.fsf@maritornes.cs.unb.ca>\r
+ <20150630084018.GO24926@chitra.no-ip.org>\r
+User-Agent: Notmuch/0.20.2 (http://notmuchmail.org) Emacs/24.4.1\r
+ (x86_64-pc-linux-gnu)\r
+Date: Tue, 30 Jun 2015 19:02:52 +0200\r
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+\r
+Suvayu Ali <fatkasuvayu+linux@gmail.com> writes:\r
+\r
+>\r
+> Yes, I have looked at what the official packages[1] do, I do exactly the\r
+> same[2].  Essentially the spec file does the following:\r
+>\r
+>   pushd bindings/ruby\r
+>       ruby extconf.rb --vendor --with-cflags="%{optflags}"\r
+>       make %{?_smp_mflags}\r
+>   popd\r
+\r
+I think the problem is contained in the original message. Since we want\r
+to create a shared library "notmuch.so" for ruby to import, we need to\r
+compile the C files in bindings/ruby with -fPIC.\r
+\r
+I don't know if this is Debian specific, or ruby version specific, but\r
+on my Debian Jessie machine with ruby 2.1, the generated Makefile\r
+bindings/ruby/Makefile has\r
+\r
+CFLAGS   = $(CCDLFLAGS) -g -O2 -fstack-protector-strong -Wformat\r
+-Werror=format-security -fPIC $(ARCH_FLAG)\r
+\r
+in it\r
+\r
+even when invoked outside the notmuch build system; e.g.\r
+\r
+% cd bindings/ruby && ruby extconf.rb\r
+\r
+I guess the first step is to see if the -fPIC flag is also there on\r
+Fedora, and if not, why not. If I look at the builds for 0.19 [1]\r
+it seems it is. But notice there it is not required to pass it in to "--with-cflags"\r
+\r
+d\r
+\r
+[1] https://kojipkgs.fedoraproject.org/packages/notmuch/0.19/1.fc21/data/logs/x86_64/build.log\r
+    - I couldn't find x86_64 build logs for 0.20  \r