rust-cross: Simplfy the rust_gen_target calls

Match the code in rust-cross-canadian so that further simplifications
can be considered in future.

(From OE-Core rev: 5cb62d0a33777cb9afb1eea5f736a2580ce50dc7)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 4 insertions, 12 deletions

diff --git a/meta/recipes-devtools/rust/rust-cross.inc b/meta/recipes-devtools/rust/rust-cross.inc
index 4c026b1f38..2e47a3aa5f 100644
--- a/meta/recipes-devtools/rust/rust-cross.inc
+++ b/meta/recipes-devtools/rust/rust-cross.inc
@@ -1,17 +1,9 @@
 python do_rust_gen_targets () {
     wd = d.getVar('WORKDIR') + '/targets/'
-    # It is important 'TARGET' is last here so that it overrides our less
-    # informed choices for BUILD & HOST if TARGET happens to be the same as
-    # either of them.
-    for thing in ['BUILD', 'HOST', 'TARGET']:
-        bb.debug(1, "rust_gen_target for " + thing)
-        features = ""
-        cpu = "generic"
-        arch = d.getVar('{}_ARCH'.format(thing))
-        if thing is "TARGET":
-            features = d.getVar('TARGET_LLVM_FEATURES') or ""
-            cpu = d.getVar('TARGET_LLVM_CPU')
-        rust_gen_target(d, thing, wd, features, cpu, arch)
+    # Order of BUILD, HOST, TARGET is important in case the files overwrite, most specific last
+    rust_gen_target(d, 'BUILD', wd, "", "generic", d.getVar('BUILD_ARCH'))
+    rust_gen_target(d, 'HOST', wd, "", "generic", d.getVar('HOST_ARCH'))
+    rust_gen_target(d, 'TARGET', wd, d.getVar('TARGET_LLVM_FEATURES') or "", d.getVar('TARGET_LLVM_CPU'), d.getVar('TARGET_ARCH'))
 }
 
 # Otherwise we'll depend on what we provide