Direct Bazel builds from m.
This CL adds support to bp2build/Soong to dump a BUILD file under
out/soong/soong_injection/targets containing alias targets to their real
targets for every converted Soong module, regardless of whether they are
handcrafted or generated.
Test: TH
Change-Id: Ic1816fda5d019c395301618134fac68b3057d752
diff --git a/bp2build/compatibility.go b/bp2build/compatibility.go
new file mode 100644
index 0000000..5baa524
--- /dev/null
+++ b/bp2build/compatibility.go
@@ -0,0 +1,31 @@
+package bp2build
+
+import (
+ "android/soong/bazel"
+ "fmt"
+)
+
+// Data from the code generation process that is used to improve compatibility
+// between build systems.
+type CodegenCompatLayer struct {
+ // A map from the original module name to the generated/handcrafted Bazel
+ // label for legacy build systems to be able to build a fully-qualified
+ // Bazel target from an unique module name.
+ NameToLabelMap map[string]string
+}
+
+// Log an entry of module name -> Bazel target label.
+func (compatLayer CodegenCompatLayer) AddNameToLabelEntry(name, label string) {
+ // The module name may be prefixed with bazel.BazelTargetModuleNamePrefix if
+ // generated from bp2build.
+ name = bazel.StripNamePrefix(name)
+ if existingLabel, ok := compatLayer.NameToLabelMap[name]; ok {
+ panic(fmt.Errorf(
+ "Module '%s' maps to more than one Bazel target label: %s, %s. "+
+ "This shouldn't happen. It probably indicates a bug with the bp2build internals.",
+ name,
+ existingLabel,
+ label))
+ }
+ compatLayer.NameToLabelMap[name] = label
+}