[couchdb] branch master updated: Introduce bin_opt_info erl_opts compilation option

[ja...@apache.org]

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in repository https://gitbox.apache.org/repos/asf/couchdb.git


The following commit(s) were added to refs/heads/master by this push:
     new b58021e  Introduce bin_opt_info erl_opts compilation option
b58021e is described below

commit b58021e6d9751fa36a4164974664e86248d444fd
Author: Jay Doane <ja...@gmail.com>
AuthorDate: Thu Mar 8 16:32:54 2018 -0800

    Introduce bin_opt_info erl_opts compilation option
    
    As discussed in
    http://erlang.org/doc/efficiency_guide/binaryhandling.html, the
    bin_opt_info option can have the compiler print information about
    binary optimizations. Typically, it issues warnings about code that
    can not be optimized. For example, with the option enabled, it warns
    about this line of code (among many others) like this:
    
    src/chttpd/src/chttpd_auth_cache.erl:183:
      Warning: NOT OPTIMIZED: sub binary is used or returned
    
    Not only should having this option enabled draw awareness to existing
    sub-optimal binary constructs, it should help developers avoid
    creating new ones.
---
 rebar.config.script | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rebar.config.script b/rebar.config.script
index a52350f..7fb6999 100644
--- a/rebar.config.script
+++ b/rebar.config.script
@@ -92,7 +92,7 @@ AddConfig = [
     {deps, lists:map(MakeDep, DepDescs)},
     {sub_dirs, SubDirs},
     {lib_dirs, ["src"]},
-    {erl_opts, [debug_info, {i, "../"}]},
+    {erl_opts, [bin_opt_info, debug_info, {i, "../"}]},
     {eunit_opts, [verbose]},
     {plugins, [eunit_plugin]},
     {dialyzer, [

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