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Add support-path-mapping to mojo_library #36

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Merged
merged 1 commit into from
Jul 21, 2025
Merged

Add support-path-mapping to mojo_library #36

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12 changes: 9 additions & 3 deletions mojo/mojo_library.bzl
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Original file line number Diff line number Diff line change
Expand Up @@ -3,14 +3,17 @@
load("//mojo:providers.bzl", "MojoInfo")
load("//mojo/private:utils.bzl", "MOJO_EXTENSIONS", "collect_mojoinfo")

def _format_include(arg):
return ["-I", arg.dirname]

def _mojo_library_implementation(ctx):
mojo_toolchain = ctx.toolchains["//:toolchain_type"].mojo_toolchain_info

mojo_package = ctx.actions.declare_file(ctx.label.name + ".mojopkg")
args = ctx.actions.args()
args.add("package")
args.add("-strip-file-prefix=.")
args.add("-o", mojo_package.path)
args.add("-o", mojo_package)
args.add_all(ctx.attr.copts)

import_paths, transitive_mojopkgs = collect_mojoinfo(ctx.attr.deps + mojo_toolchain.implicit_deps)
Expand All @@ -19,9 +22,9 @@ def _mojo_library_implementation(ctx):
file_args = ctx.actions.args()
for file in ctx.files.srcs:
if not file.dirname.startswith(root_directory):
file_args.add("-I", file.dirname)
args.add_all([file], map_each = _format_include)

file_args.add_all(import_paths, before_each = "-I")
file_args.add_all(transitive_mojopkgs, map_each = _format_include)
file_args.add(root_directory)
ctx.actions.run(
executable = mojo_toolchain.mojo,
Expand All @@ -37,6 +40,9 @@ def _mojo_library_implementation(ctx):
},
use_default_shell_env = True,
toolchain = "//:toolchain_type",
execution_requirements = {
"supports-path-mapping": "1",
},
)

transitive_runfiles = []
Expand Down