rust-cross-canadian: Fix ordering of target json config generation

Based upon a patch from Otavio Salvador <otavio@ossystems.com.br>,
ensure the target json files are written in the correct order with
the most specific last incase it overwrites earlier files if the prefixes
match.

(From OE-Core rev: d8c030ef90272e42a1697f5195f887d09878aa01)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 1912c4e9e0ecf9655f3b3a41588b54d7956f5899)
Signed-off-by: Jermain Horsman <jermain.horsman@nedap.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/meta/recipes-devtools/rust/rust-cross-canadian-common.inc b/meta/recipes-devtools/rust/rust-cross-canadian-common.inc
index 1f21c8af26..df4901f1fa 100644
--- a/meta/recipes-devtools/rust/rust-cross-canadian-common.inc
+++ b/meta/recipes-devtools/rust/rust-cross-canadian-common.inc
@@ -27,9 +27,10 @@ DEBUG_PREFIX_MAP = "-fdebug-prefix-map=${WORKDIR}=/usr/src/debug/${PN}/${EXTENDP
 
 python do_rust_gen_targets () {
     wd = d.getVar('WORKDIR') + '/targets/'
-    rust_gen_target(d, 'TARGET', wd, d.getVar('TARGET_LLVM_FEATURES') or "", d.getVar('TARGET_LLVM_CPU'), d.getVar('TARGET_ARCH'))
-    rust_gen_target(d, 'HOST', wd, "", "generic", d.getVar('HOST_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'))
 }
 
 INHIBIT_DEFAULT_RUST_DEPS = "1"