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Add check for handcrafted BUILD file in bp2build

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ag/20469925 added a handcrafted BUILD file (allowlisted in ag/20597986)
to internal master. ag/c/platform/build/soong/+/20583593/12/cc/bp2build.go#818 generates references to the targets in the BUILD file. However in tm-dev, the BUILD file doesn't exist while the .afdo files do.

One solution is to cherry-pick the BUILD file to tm-dev. However, tm-dev doesn't have vendor/google/build/soong/bp2build_allowlist.go to check in the BUILD file in bp2build.

This CL adds a check that the BUILD file exists to avoid the failure as in https://android-build.googleplex.com/builds/pending/P45724500/aosp_cf_x86_64_phone-userdebug/latest/view/logs/build_error.log in tm-qpr-dev-plus-aosp branch.

Bug: 253540178
Test: go test
Change-Id: I47fb853015ca230afe3cefe1d37728bf714624be
Merged-In: I47fb853015ca230afe3cefe1d37728bf714624be
This commit is contained in:
Vinh Tran
2022-12-09 12:03:52 -05:00
parent 99270ea3c3
commit bc9c8b494c
2 changed files with 41 additions and 18 deletions
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34
cc/bp2build.go
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@@ -811,21 +811,25 @@ func bp2buildFdoProfile(
m *Module,
) *bazel.Label {
for _, project := range globalAfdoProfileProjects {
// We handcraft a BUILD file with fdo_profile targets that use the existing profiles in the project
// This implementation is assuming that every afdo profile in globalAfdoProfileProjects already has
// an associated fdo_profile target declared in the same package.
// TODO(b/260714900): Handle arch-specific afdo profiles (e.g. `<module-name>-arm<64>.afdo`)
path := android.ExistentPathForSource(ctx, project, m.Name()+".afdo")
if path.Valid() {
// FIXME: Some profiles only exist internally and are not released to AOSP.
// When generated BUILD files are checked in, we'll run into merge conflict.
// The cc_library_shared target in AOSP won't have reference to an fdo_profile target because
// the profile doesn't exist. Internally, the same cc_library_shared target will
// have reference to the fdo_profile.
// For more context, see b/258682955#comment2
fdoProfileLabel := "//" + strings.TrimSuffix(project, "/") + ":" + m.Name()
return &bazel.Label{
Label: fdoProfileLabel,
// Ensure handcrafted BUILD file exists in the project
BUILDPath := android.ExistentPathForSource(ctx, project, "BUILD")
if BUILDPath.Valid() {
// We handcraft a BUILD file with fdo_profile targets that use the existing profiles in the project
// This implementation is assuming that every afdo profile in globalAfdoProfileProjects already has
// an associated fdo_profile target declared in the same package.
// TODO(b/260714900): Handle arch-specific afdo profiles (e.g. `<module-name>-arm<64>.afdo`)
path := android.ExistentPathForSource(ctx, project, m.Name()+".afdo")
if path.Valid() {
// FIXME: Some profiles only exist internally and are not released to AOSP.
// When generated BUILD files are checked in, we'll run into merge conflict.
// The cc_library_shared target in AOSP won't have reference to an fdo_profile target because
// the profile doesn't exist. Internally, the same cc_library_shared target will
// have reference to the fdo_profile.
// For more context, see b/258682955#comment2
fdoProfileLabel := "//" + strings.TrimSuffix(project, "/") + ":" + m.Name()
return &bazel.Label{
Label: fdoProfileLabel,
}
}
}
}