Make FirstTarget treat HostCross separately from Host
Use Target.Os and Target.HostCross as the key in FirstTarget so that
it returns a separate target for host and host cross architectures.
This is useful when host and host cross are both linux_musl, but
host cross is an independenct architecture like arm64.
Bug: 236052820
Test: cross compile linux_musl-arm64
Change-Id: If75790001afe9d0f9d4d8166f207847851812297
diff --git a/android/arch.go b/android/arch.go
index 6acc8ad..b545164 100644
--- a/android/arch.go
+++ b/android/arch.go
@@ -1843,20 +1843,23 @@
}
// FirstTarget takes a list of Targets and a list of multilib values and returns a list of Targets
-// that contains zero or one Target for each OsType, selecting the one that matches the earliest
-// filter.
+// that contains zero or one Target for each OsType and HostCross, selecting the one that matches
+// the earliest filter.
func FirstTarget(targets []Target, filters ...string) []Target {
// find the first target from each OS
var ret []Target
- hasHost := false
- set := make(map[OsType]bool)
+ type osHostCross struct {
+ os OsType
+ hostCross bool
+ }
+ set := make(map[osHostCross]bool)
for _, filter := range filters {
buildTargets := filterMultilibTargets(targets, filter)
for _, t := range buildTargets {
- if _, found := set[t.Os]; !found {
- hasHost = hasHost || (t.Os.Class == Host)
- set[t.Os] = true
+ key := osHostCross{t.Os, t.HostCross}
+ if _, found := set[key]; !found {
+ set[key] = true
ret = append(ret, t)
}
}