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POHow do I get rbenv to keep debugging symbols?
 

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  1. POHow do I get rbenv to keep debugging symbols?
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    <p>I installed the development version of Ruby 2 via <code>rbenv</code> on Mac OS X v10.8.3, and am using it to compile a gem I'm working on. I have a memory problem I want to debug. Unfortunately, whenever I run <code>valgrind</code>, <code>gdb</code>, or <code>cgdb</code> in the context of a <code>rake spec</code>, I get a <a href="https://gist.github.com/mohawkjohn/5535509#file-rake-spec" rel="noreferrer">whole bunch of errors</a> like this one:</p> <pre><code>warning: Could not find object file "/private/var/folders/5f/h1s00nhn0rv4ckkpg4k_bwhr0000gn/T/ruby-build.20130331232604.54521/ruby-2.0.0-dev/main.o" - no debug information available for "main.c". </code></pre> <p>Obviously, that <code>ruby-build</code> directory no longer exists.</p> <p>I get a <a href="https://gist.github.com/mohawkjohn/5535509#file-rake-spec-valgrind-head" rel="noreferrer">series of likely-related errors</a> from <code>valgrind</code>. Here are examples:</p> <pre><code>--2564-- /Users/jwoods/.rbenv/versions/2.0.0-dev/lib/libyaml-0.2.dylib: --2564-- dSYM directory is missing; consider using --dsymutil=yes </code></pre> <p>If I try to use that <code>--dsymutil=yes</code> option, I get errors which are basically the same as those from <code>gdb</code>:</p> <pre><code>warning: (x86_64) /private/var/folders/5f/h1s00nhn0rv4ckkpg4k_bwhr0000gn/T/ruby-build.20130331232604.54521/ruby-2.0.0-dev/ext/openssl/ossl_bn.o unable to open object file </code></pre> <p>Per an answer to another question, I tried running <code>info target</code> inside <code>gdb</code>. <a href="https://gist.github.com/mohawkjohn/5535509#file-gdb-info-target" rel="noreferrer">Here is the output.</a></p> <p>Is there some way I can instruct <code>rbenv</code> to put the debugging symbols somewhere that they won't get cleaned up?</p> <p>I'm using GCC 4.7.1, which I installed via homebrew. My exact Ruby version string is <code>ruby 2.1.0dev (2013-04-01 trunk 40029) [x86_64-darwin12.3.0]</code>, and my <code>rbenv</code> version is 0.4.0.</p>
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