build fixes

Cross.toml

@@ -1,5 +1,10 @@
 # Cross-compilation configuration for the 'cross' tool
 
+# Build configuration - ensure build scripts run in container
+[build]
+# Run build scripts in the cross container to avoid GLIBC mismatches
+default-target = "x86_64-pc-windows-gnu"
+
 # Windows GNU target (MinGW) - fully supported
 [target.x86_64-pc-windows-gnu]
 # Use edge image with newer GLIBC to avoid build script issues
@@ -10,6 +15,12 @@ pre-build = [
     "dpkg --add-architecture i386",
 ]
 
+# Build environment configuration
+[build.env]
+passthrough = [
+    "CARGO_BUILD_TARGET",
+]
+
 # Note: MSVC target is not supported by cross from Linux
 # MSVC requires proprietary Microsoft tools that only run on Windows
 # Use the GNU target for Windows cross-compilation from Linux