Provide some guidance for the confusing "does not provide a dex boot

jar" message.

Test: n/a
Bug: 207778789
Change-Id: I720471568e0b57636fb979c93a689895e9beaa02
This commit is contained in:
Martin Stjernholm
2021-12-08 16:26:07 +00:00
parent 6abfb33784
commit ed3df44363

View File

@@ -506,8 +506,18 @@ func copyBootJarsToPredefinedLocations(ctx android.ModuleContext, srcBootDexJars
dst := dstBootJarsByModule[name]
if src == nil {
// A dex boot jar should be provided by the source java module. It needs to be installable or
// have compile_dex=true - cf. assignments to java.Module.dexJarFile.
//
// However, the source java module may be either replaced or overridden (using prefer:true) by
// a prebuilt java module with the same name. In that case the dex boot jar needs to be
// provided by the corresponding prebuilt APEX module. That APEX is the one that refers
// through a exported_(boot|systemserver)classpath_fragments property to a
// prebuilt_(boot|systemserver)classpath_fragment module, which in turn lists the prebuilt
// java module in the contents property. If that chain is broken then this dependency will
// fail.
if !ctx.Config().AllowMissingDependencies() {
ctx.ModuleErrorf("module %s does not provide a dex boot jar", name)
ctx.ModuleErrorf("module %s does not provide a dex boot jar (see comment next to this message in Soong for details)", name)
} else {
ctx.AddMissingDependencies([]string{name})
}