Make IDE recognize we are targeting Android

build.py

@@ -232,6 +232,9 @@ def run_cargo_build(args):
 
     # Install cxxbridge and generate C++ bindings
     native_out = op.join('..', 'out')
+    cfg = op.join('.cargo', 'config.toml')
+    cfg_bak = op.join('.cargo', 'config.toml.bak')
+    mv(cfg, cfg_bak)
     cxx_src = op.join('external', 'cxx-rs', 'gen', 'cmd')
     local_cargo_root = op.join(native_out, '.cargo')
     mkdir_p(local_cargo_root)
@@ -239,6 +242,7 @@ def run_cargo_build(args):
     if not args.verbose:
         cmds.append('-q')
     proc = execv(cmds, env)
+    mv(cfg_bak, cfg)
     if proc.returncode != 0:
         error('cxxbridge-cmd installation failed!')
     cxxbridge = op.join(local_cargo_root, 'bin', 'cxxbridge' + EXE_EXT)

native/src/.cargo/config.toml

@@ -0,0 +1,4 @@
+[build]
+# This is only used to make the IDE happy, the actual compilation will
+# have the target overriden by command-line
+target = "aarch64-linux-android"