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-rw-r--r--lib/stdlib/doc/src/filename.xml10
-rw-r--r--lib/stdlib/src/filename.erl3
-rw-r--r--lib/stdlib/src/otp_internal.erl7
3 files changed, 16 insertions, 4 deletions
diff --git a/lib/stdlib/doc/src/filename.xml b/lib/stdlib/doc/src/filename.xml
index 2a413835d0..7acef51ca1 100644
--- a/lib/stdlib/doc/src/filename.xml
+++ b/lib/stdlib/doc/src/filename.xml
@@ -356,10 +356,12 @@ true
<p>Finds the source filename and compiler options for a module.
The result can be fed to <seealso marker="compiler:compile#file/2">
<c>compile:file/2</c></seealso> to compile the file again.</p>
- <warning><p>It is not recommended to use this function. If possible,
- use the <seealso marker="beam_lib"><c>beam_lib(3)</c></seealso>
- module to extract the abstract code format from the Beam file and
- compile that instead.</p></warning>
+ <warning>
+ <p>This function is deprecated. Use <seealso marker="filelib#find_source/1">
+ <c>filelib:find_source/1</c></seealso> instead for finding source files.</p>
+ <p>If possible, use the <seealso marker="beam_lib"><c>beam_lib(3)</c></seealso>
+ module to extract the compiler options and the abstract code
+ format from the Beam file and compile that instead.</p></warning>
<p>Argument <c><anno>Beam</anno></c>, which can be a string or an atom,
specifies either the module name or the path to the source
code, with or without extension <c>".erl"</c>. In either
diff --git a/lib/stdlib/src/filename.erl b/lib/stdlib/src/filename.erl
index 0ff22f876a..2a2f25dcd2 100644
--- a/lib/stdlib/src/filename.erl
+++ b/lib/stdlib/src/filename.erl
@@ -19,6 +19,9 @@
%%
-module(filename).
+-deprecated({find_src,1,next_major_release}).
+-deprecated({find_src,2,next_major_release}).
+
%% Purpose: Provides generic manipulation of filenames.
%%
%% Generally, these functions accept filenames in the native format
diff --git a/lib/stdlib/src/otp_internal.erl b/lib/stdlib/src/otp_internal.erl
index 5bf77a5160..2a0e3118d0 100644
--- a/lib/stdlib/src/otp_internal.erl
+++ b/lib/stdlib/src/otp_internal.erl
@@ -550,6 +550,13 @@ obsolete_1(overload, _, _) ->
obsolete_1(rpc, safe_multi_server_call, A) when A =:= 2; A =:= 3 ->
{removed, {rpc, multi_server_call, A}};
+%% Added in OTP 20.
+
+obsolete_1(filename, find_src, 1) ->
+ {deprecated, "deprecated; use filelib:find_source/1 instead"};
+obsolete_1(filename, find_src, 2) ->
+ {deprecated, "deprecated; use filelib:find_source/3 instead"};
+
%% Removed in OTP 20.
obsolete_1(erlang, hash, 2) ->