From: Marc-André Lureau <marcandre.lureau@redhat.com>

This fixes docker-test@alpine, which uses "alpine" vendor.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Link: https://lore.kernel.org/r/20251007134558.251670-1-marcandre.lureau@redhat.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 configure | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/configure b/configure
index 78445cbb4b3..a467f3a2e05 100755
--- a/configure
+++ b/configure
@@ -1216,8 +1216,9 @@ fi
 if test "$rust" != disabled && test -z "$rust_target_triple"; then
   # arch and os generally matches between meson and rust
   rust_arch=$host_arch
+  # default to host vendor
+  rust_vendor=$(echo "$rust_host_triple" | cut -d'-' -f2)
   rust_os=$host_os
-  rust_machine=unknown
   rust_osvariant=
 
   # tweak rust_os if needed; also, machine and variant depend on the OS
@@ -1225,7 +1226,7 @@ if test "$rust" != disabled && test -z "$rust_target_triple"; then
   case "$host_os" in
   darwin)
     # e.g. aarch64-apple-darwin
-    rust_machine=apple
+    rust_vendor=apple
     ;;
 
   linux)
@@ -1273,13 +1274,13 @@ EOF
     ;;
 
   sunos)
-    rust_machine=pc
+    rust_vendor=pc
     rust_os=solaris
     ;;
 
   windows)
     # e.g. aarch64-pc-windows-gnullvm, x86_64-pc-windows-gnu (MSVC not supported)
-    rust_machine=pc
+    rust_vendor=pc
     if test "$host_arch" = aarch64; then
       rust_osvariant=gnullvm
     else
@@ -1310,7 +1311,7 @@ EOF
   sparc64)
     if test "$rust_os" = solaris; then
       rust_arch=sparcv9
-      rust_machine=sun
+      rust_vendor=sun
     fi
     ;;
 
@@ -1324,7 +1325,7 @@ EOF
     # e.g. aarch64-linux-android
     rust_target_triple=$rust_arch-$rust_os-$rust_osvariant
   else
-    rust_target_triple=$rust_arch-$rust_machine-$rust_os${rust_osvariant:+-$rust_osvariant}
+    rust_target_triple=$rust_arch-$rust_vendor-$rust_os${rust_osvariant:+-$rust_osvariant}
   fi
 fi
 
-- 
2.51.0