melange: set min version to 3.8 (#7665)

* melange: set min version to 3.8 Signed-off-by: Javier Chávarri <[email protected]>
ocaml · May 3, 2023 · 988b0b2 · 988b0b2
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diff --git a/CHANGES.md b/CHANGES.md
@@ -150,6 +150,9 @@ Unreleased
   that have been globally installed, such as those coming from opam
   (@ejgallego, @Alizter)
 
+- Bump minimum version of the dune language for the melange syntax extension
+  from 3.7 to 3.8 (#7665, @jchavarri)
+
 3.7.1 (2023-04-04)
 ------------------
 

diff --git a/src/dune_rules/melange/melange_stanzas.ml b/src/dune_rules/melange/melange_stanzas.ml
@@ -146,7 +146,7 @@ end
 let syntax =
   Dune_lang.Syntax.create ~name:Dune_project.Melange_syntax.name
     ~desc:"the Melange extension"
-    [ ((0, 1), `Since (3, 7)) ]
+    [ ((0, 1), `Since (3, 8)) ]
 
 let () =
   Dune_project.Extension.register_simple syntax

diff --git a/test/blackbox-tests/test-cases/lib-modes.t b/test/blackbox-tests/test-cases/lib-modes.t
@@ -0,0 +1,49 @@
+Test library modes field
+
+  $ cat > dune-project <<EOF
+  > (lang dune 3.7)
+  > EOF
+
+  $ mkdir lib
+
+  $ cat > lib/dune <<EOF
+  > (library
+  >  (modes :standard \ native)
+  >  (name mylib))
+  > EOF
+
+  $ cat > lib/mylib.ml <<EOF
+  > let some_binding = "string"
+  > EOF
+
+  $ cat > dune <<EOF
+  > (executable
+  >  (name hello)
+  >  (libraries mylib))
+  > EOF
+
+  $ cat > hello.ml <<EOF
+  > let () =
+  >   print_endline Mylib.some_binding
+  > EOF
+
+Fails with an informative error message if we parsed OSL for modes
+in a version of dune lang that does not support them
+
+  $ dune build hello.exe
+  File "lib/dune", line 1, characters 0-51:
+  1 | (library
+  2 |  (modes :standard \ native)
+  3 |  (name mylib))
+  Error: Ordered set language for modes is only available since version 3.8 of
+  the dune language. Please update your dune-project file to have (lang dune
+  3.8).
+  [1]
+
+  $ cat > dune-project <<EOF
+  > (lang dune 3.8)
+  > EOF
+
+Works for the most recent version
+
+  $ dune build hello.exe
diff --git a/test/blackbox-tests/test-cases/melange/add-rules-under-melange-emit-target.t b/test/blackbox-tests/test-cases/melange/add-rules-under-melange-emit-target.t
@@ -1,7 +1,7 @@
 Test that the target directory exists
 
   $ cat > dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
 

diff --git a/test/blackbox-tests/test-cases/melange/aliases.t b/test/blackbox-tests/test-cases/melange/aliases.t
@@ -1,7 +1,7 @@
 Test alias field on melange.emit stanzas
 
   $ cat > dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
 

diff --git a/test/blackbox-tests/test-cases/melange/basic-install.t b/test/blackbox-tests/test-cases/melange/basic-install.t
@@ -1,7 +1,7 @@
 Test that we can install melange mode libraries
 
   $ cat >dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (package (name foo))
   > (using melange 0.1)
   > EOF

diff --git a/test/blackbox-tests/test-cases/melange/copy-files-include-subdirs.t b/test/blackbox-tests/test-cases/melange/copy-files-include-subdirs.t
@@ -6,7 +6,7 @@ Example using melange.emit, copy_files and include_subdirs
   > EOF
 
   $ cat > dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
 

diff --git a/test/blackbox-tests/test-cases/melange/copy-files-into-emit-target-folder.t b/test/blackbox-tests/test-cases/melange/copy-files-into-emit-target-folder.t
@@ -2,7 +2,7 @@ Example showing melange.emit and copy_files, where the files are copied
 into the melange.emit target folder
 
   $ cat > dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
 

diff --git a/test/blackbox-tests/test-cases/melange/copy-files-simple.t b/test/blackbox-tests/test-cases/melange/copy-files-simple.t
@@ -1,7 +1,7 @@
 Test simple interactions between melange.emit and copy_files
 
   $ cat > dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
 

diff --git a/test/blackbox-tests/test-cases/melange/depend-on-installed.t b/test/blackbox-tests/test-cases/melange/depend-on-installed.t
@@ -3,7 +3,7 @@ Test dependency on installed package
   $ mkdir a b prefix app
 
   $ cat > a/dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (package (name a))
   > (using melange 0.1)
   > EOF
@@ -34,7 +34,7 @@ Test dependency on installed package
   Installing $TESTCASE_ROOT/prefix/lib/a/melange/a__Foo.cmt
 
   $ cat >b/dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (package (name b))
   > (using melange 0.1)
   > EOF
@@ -80,7 +80,7 @@ Test dependency on installed package
   Installing $TESTCASE_ROOT/prefix/lib/b/melange/b__Foo.cmt
 
   $ cat >app/dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (package (name app))
   > (using melange 0.1)
   > EOF

diff --git a/test/blackbox-tests/test-cases/melange/dune-js-file-unmangling.t/dune-project b/test/blackbox-tests/test-cases/melange/dune-js-file-unmangling.t/dune-project
@@ -1,3 +1,3 @@
-(lang dune 3.7)
+(lang dune 3.8)
 
 (using melange 0.1)
diff --git a/test/blackbox-tests/test-cases/melange/dune-package-source-path.t b/test/blackbox-tests/test-cases/melange/dune-package-source-path.t
@@ -3,7 +3,7 @@ form `foo.bar.baz`
 
   $ mkdir a app
   $ cat > a/dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (package (name a))
   > (using melange 0.1)
   > EOF
@@ -39,7 +39,7 @@ form `foo.bar.baz`
         (source (path Foo) (impl (path sub/foo.ml))))))
 
   $ cat >app/dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
 

diff --git a/test/blackbox-tests/test-cases/melange/emit-installed-complex.t/dune-project b/test/blackbox-tests/test-cases/melange/emit-installed-complex.t/dune-project
@@ -1,4 +1,4 @@
-(lang dune 3.7)
+(lang dune 3.8)
 
 (package
  (name pkg2))

diff --git a/test/blackbox-tests/test-cases/melange/emit-installed-complex.t/inner/dune-project b/test/blackbox-tests/test-cases/melange/emit-installed-complex.t/inner/dune-project
@@ -1,4 +1,4 @@
-(lang dune 3.7)
+(lang dune 3.8)
 
 (package
  (name pkg1))

diff --git a/test/blackbox-tests/test-cases/melange/emit-installed-two-modes.t b/test/blackbox-tests/test-cases/melange/emit-installed-two-modes.t
@@ -3,7 +3,7 @@ Test dependency on installed package
   $ mkdir a b c prefix
 
   $ cat > a/dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (package (name a))
   > (using melange 0.1)
   > EOF
@@ -39,7 +39,7 @@ Test dependency on installed package
   Installing $TESTCASE_ROOT/prefix/lib/a/melange/a__Foo.cmt
 
   $ cat >b/dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
 
@@ -65,7 +65,7 @@ Test dependency on installed package
   foo
 
   $ cat >c/dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
 

diff --git a/test/blackbox-tests/test-cases/melange/emit-installed.t b/test/blackbox-tests/test-cases/melange/emit-installed.t
@@ -3,7 +3,7 @@ Test dependency on installed package
   $ mkdir -p lib-a lib-a/sub b prefix
 
   $ cat > lib-a/dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (package (name a))
   > (using melange 0.1)
   > EOF
@@ -43,7 +43,7 @@ Test dependency on installed package
   Installing $TESTCASE_ROOT/prefix/lib/a/sub/sub.ml
 
   $ cat >b/dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
 

diff --git a/test/blackbox-tests/test-cases/melange/emit-private.t b/test/blackbox-tests/test-cases/melange/emit-private.t
@@ -1,7 +1,7 @@
 Test dependency on a private library in the same package as melange.emit
 
   $ cat >dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (package  (name a))
   > (using melange 0.1)
   > EOF

diff --git a/test/blackbox-tests/test-cases/melange/emit-select.t b/test/blackbox-tests/test-cases/melange/emit-select.t
@@ -1,7 +1,7 @@
 using `(select ...)` in melange.emit
 
   $ cat > dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
   $ cat >bar.melange.ml <<EOF

diff --git a/test/blackbox-tests/test-cases/melange/emit-two-dune-projects.t b/test/blackbox-tests/test-cases/melange/emit-two-dune-projects.t
@@ -3,7 +3,7 @@ Test dependency on installed package
   $ mkdir xyz
 
   $ cat > xyz/dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (package (name aa_fe))
   > (using melange 0.1)
   > EOF
@@ -19,12 +19,12 @@ Test dependency on installed package
   > EOF
 
   $ cat >dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
 
   $ cat >dune-workspace <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > EOF
 
   $ cat > dune <<EOF

diff --git a/test/blackbox-tests/test-cases/melange/empty-entries-target-dir-exists.t b/test/blackbox-tests/test-cases/melange/empty-entries-target-dir-exists.t
@@ -1,7 +1,7 @@
 Test (modules) field can be left empty
 
   $ cat > dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
 

diff --git a/test/blackbox-tests/test-cases/melange/empty-entries.t b/test/blackbox-tests/test-cases/melange/empty-entries.t
@@ -1,7 +1,7 @@
 Test (modules) field can be left empty
 
   $ cat > dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
 

diff --git a/test/blackbox-tests/test-cases/melange/flags.t b/test/blackbox-tests/test-cases/melange/flags.t
@@ -1,7 +1,7 @@
 Test flags and compile_flags fields on melange.emit stanza
 
   $ cat > dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
 

diff --git a/test/blackbox-tests/test-cases/melange/gh7020.t b/test/blackbox-tests/test-cases/melange/gh7020.t
@@ -3,7 +3,7 @@ Reproduce github #7020
   $ dir=_to-install
   $ mkdir $dir
   $ cat >$dir/dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > (package
   >  (name dummyfoo))
@@ -35,7 +35,7 @@ Reproduce github #7020
   $ export OCAMLPATH=$PWD/$dir/_install/lib
 
   $ cat >dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
 

diff --git a/test/blackbox-tests/test-cases/melange/include_subdirs.t/dune-project b/test/blackbox-tests/test-cases/melange/include_subdirs.t/dune-project
@@ -1,3 +1,3 @@
-(lang dune 3.7)
+(lang dune 3.8)
 
 (using melange 0.1)
diff --git a/test/blackbox-tests/test-cases/melange/intfonly-entries.t b/test/blackbox-tests/test-cases/melange/intfonly-entries.t
@@ -1,7 +1,7 @@
 Entry points should not allow mli only modules as entry points.
 
   $ cat >dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
 

diff --git a/test/blackbox-tests/test-cases/melange/intfonly.t/dune-project b/test/blackbox-tests/test-cases/melange/intfonly.t/dune-project
@@ -1,3 +1,3 @@
-(lang dune 3.7)
+(lang dune 3.8)
 
 (using melange 0.1)
diff --git a/test/blackbox-tests/test-cases/melange/merlin-compile-flags.t b/test/blackbox-tests/test-cases/melange/merlin-compile-flags.t
@@ -1,7 +1,7 @@
 Show that the merlin config knows about melange.compile_flags
 
   $ cat >dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
 

diff --git a/test/blackbox-tests/test-cases/melange/merlin.t b/test/blackbox-tests/test-cases/melange/merlin.t
@@ -8,7 +8,7 @@
   $ export BUILD_PATH_PREFIX_MAP="/MELC_STDLIB=$(ocamlfind query melange):$BUILD_PATH_PREFIX_MAP"
 
   $ cat >dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
 

diff --git a/test/blackbox-tests/test-cases/melange/missing-melc.t b/test/blackbox-tests/test-cases/melange/missing-melc.t
@@ -1,7 +1,7 @@
 Test cases when melc is not available
 
   $ cat > dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
 

diff --git a/test/blackbox-tests/test-cases/melange/mli.t/dune-project b/test/blackbox-tests/test-cases/melange/mli.t/dune-project
@@ -1,4 +1,4 @@
-(lang dune 3.7)
+(lang dune 3.8)
 
 (using melange 0.1)
 

diff --git a/test/blackbox-tests/test-cases/melange/module-systems.t b/test/blackbox-tests/test-cases/melange/module-systems.t
@@ -1,7 +1,7 @@
 Parses the full form (<module-system> <extension>)
 
   $ cat > dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
 

diff --git a/test/blackbox-tests/test-cases/melange/multilib.t/dune-project b/test/blackbox-tests/test-cases/melange/multilib.t/dune-project
@@ -1,4 +1,4 @@
-(lang dune 3.7)
+(lang dune 3.8)
 
 (using melange 0.1)
 

diff --git a/test/blackbox-tests/test-cases/melange/nested-melange-emit-stanzas.t b/test/blackbox-tests/test-cases/melange/nested-melange-emit-stanzas.t
@@ -1,7 +1,7 @@
 Make sure an error is returned if trying to nest `melange.emit` stanzas
 
   $ cat > dune-project <<EOF
-  > (lang dune 3.7)
+  > (lang dune 3.8)
   > (using melange 0.1)
   > EOF
   $ mkdir -p a/output/b