82 lines
1.8 KiB
Perl
82 lines
1.8 KiB
Perl
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Specifying a virtual module that isn't inside the (modules ..) field:
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$ cat > dune-project << EOF
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> (lang dune 3.7)
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> EOF
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$ mkdir src
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$ cat > src/dune << EOF
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> (library
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> (name foo)
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> (wrapped false)
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> (virtual_modules x)
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> (modules y))
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> EOF
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$ touch src/x.mli
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$ cat > src/y.ml << EOF
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> module type F = X
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> EOF
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$ mkdir src/impl
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$ cat > src/impl/dune << EOF
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> (library
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> (name impl)
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> (implements foo))
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> EOF
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$ touch src/impl/x.ml
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X is warned about:
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$ dune build
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File "src/dune", line 4, characters 18-19:
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4 | (virtual_modules x)
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^
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Warning: These modules appear in the virtual_modules field:
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- X
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They must also appear in the modules field.
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File "src/y.ml", line 1, characters 16-17:
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1 | module type F = X
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^
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Error: Unbound module type X
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File "src/impl/dune", lines 1-3, characters 0-40:
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1 | (library
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2 | (name impl)
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3 | (implements foo))
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Error: No rule found for src/.foo.objs/y.impl.all-deps
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[1]
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In 3.11 onwards this warning becomes an error
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$ cat > dune-project << EOF
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> (lang dune 3.11)
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> EOF
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$ dune build ./bar.exe
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File "src/dune", line 4, characters 18-19:
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4 | (virtual_modules x)
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^
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Error: These modules appear in the virtual_modules field:
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- X
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They must also appear in the modules field.
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[1]
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This should be ignored if we are in vendored_dirs
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$ cat > dune << EOF
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> (vendored_dirs src)
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> (executable
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> (name bar)
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> (libraries foo))
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> EOF
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$ cat > bar.ml
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$ dune build ./bar.exe
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Error: No implementation found for virtual library "foo" in
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_build/default/src.
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-> required by executable bar in dune:3
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-> required by _build/default/.bar.eobjs/native/dune__exe__Bar.cmx
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-> required by _build/default/bar.exe
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[1]
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