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-rw-r--r--erts/doc/src/erlang.xml10
1 files changed, 10 insertions, 0 deletions
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index 1eec45e0f3..cd3bcd3a07 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -5456,6 +5456,16 @@ true</pre>
<seealso marker="#system_info_allocator_tuple">erlang:system_info({allocator, Alloc})</seealso>.
</p>
</item>
+ <tag><c>build_type</c></tag>
+ <item>
+ <p>Returns an atom describing the build type of the runtime
+ system. This is normally the atom <c>opt</c> for optimized.
+ Other possible return values are <c>debug</c>, <c>purify</c>,
+ <c>quantify</c>, <c>purecov</c>, <c>gcov</c>, <c>valgrind</c>,
+ <c>gprof</c>, and <c>lcnt</c>. Possible return values
+ may be added and/or removed at any time without prior notice.
+ </p>
+ </item>
<tag><c>c_compiler_used</c></tag>
<item>
<p>Returns a two-tuple describing the C compiler used when