Fix build for 17.0 using the solutiong proposed by @tsloughter

We use namespaced_types option to choose between dict() and dict:dict() types.

2 files changed, 23 insertions, 7 deletions

diff --git a/src/rebar_config.erl b/src/rebar_config.erl
index 10c6483..1c90d22 100644
--- a/src/rebar_config.erl
+++ b/src/rebar_config.erl
@@ -39,13 +39,21 @@
 
 -include("rebar.hrl").
 
+-ifdef(namespaced_types).
+% dict:dict() exists starting from Erlang 17.
+-type rebar_dict() :: dict:dict().
+-else.
+% dict() has been obsoleted in Erlang 17 and deprecated in 18.
+-type rebar_dict() :: dict().
+-endif.
+
 -record(config, { dir :: file:filename(),
                   opts = [] :: list(),
-                  globals = new_globals() :: dict(),
-                  envs = new_env() :: dict(),
+                  globals = new_globals() :: rebar_dict(),
+                  envs = new_env() :: rebar_dict(),
                   %% cross-directory/-command config
-                  skip_dirs = new_skip_dirs() :: dict(),
-                  xconf = new_xconf() :: dict() }).
+                  skip_dirs = new_skip_dirs() :: rebar_dict(),
+                  xconf = new_xconf() :: rebar_dict() }).
 
 -export_type([config/0]).
 
diff --git a/src/rebar_erlc_compiler.erl b/src/rebar_erlc_compiler.erl
index f7753c7..5f541d9 100644
--- a/src/rebar_erlc_compiler.erl
+++ b/src/rebar_erlc_compiler.erl
@@ -47,6 +47,14 @@
           info = {[], []} :: erlc_info()
         }).
 
+-ifdef(namespaced_types).
+% digraph:digraph() exists starting from Erlang 17.
+-type rebar_digraph() :: digraph:digraph().
+-else.
+% digraph() has been obsoleted in Erlang 17 and deprecated in 18.
+-type rebar_digraph() :: digraph().
+-endif.
+
 %% ===================================================================
 %% Public API
 %% ===================================================================
@@ -522,19 +530,19 @@ expand_file_names(Files, Dirs) ->
               end
       end, Files).
 
--spec get_parents(digraph(), file:filename()) -> [file:filename()].
+-spec get_parents(rebar_digraph(), file:filename()) -> [file:filename()].
 get_parents(G, Source) ->
     %% Return all files which the Source depends upon.
     digraph_utils:reachable_neighbours([Source], G).
 
--spec get_children(digraph(), file:filename()) -> [file:filename()].
+-spec get_children(rebar_digraph(), file:filename()) -> [file:filename()].
 get_children(G, Source) ->
     %% Return all files dependent on the Source.
     digraph_utils:reaching_neighbours([Source], G).
 
 -spec internal_erl_compile(rebar_config:config(), file:filename(),
                            file:filename(), list(),
-                           digraph()) -> 'ok' | 'skipped'.
+                           rebar_digraph()) -> 'ok' | 'skipped'.
 internal_erl_compile(Config, Source, OutDir, ErlOpts, G) ->
     %% Determine the target name and includes list by inspecting the source file
     Module = filename:basename(Source, ".erl"),