[build] cache Xmake toolchains and reuse mobile dependencies

apps/android/scripts/build_native.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 """Build the native controller in isolation from desktop and iOS caches."""
+import argparse
 import fcntl
 import os
 from pathlib import Path
@@ -26,7 +27,7 @@ def find_xmake():
     return xmake
 
 
-def main():
+def main(configure_only=False):
     sdk = Path(os.environ.get('ANDROID_HOME') or os.environ.get('ANDROID_SDK_ROOT')
                or Path.home() / 'Library/Android/sdk')
     ndk = sdk / 'ndk/28.2.13676358'
@@ -45,13 +46,20 @@ def main():
     # and updates. Only installed Android packages/build products are isolated.
     subprocess.run([xmake, 'f', '-P', str(work), '-y', '-p', 'android', '-a', 'arm64-v8a',
                     '-m', 'release', '--ndk=' + str(ndk), '--ndk_sdkver=26',
-                    '--runtimes=c++_static', '--policies=package.precompiled:n',
+                    '--runtimes=c++_static',
+                    '--policies=package.precompiled:n,package.librarydeps.strict_compatibility',
                     '-o', str(CACHE / 'build')], cwd=work, env=env, check=True)
+    if configure_only:
+        return
     subprocess.run([xmake, '-P', str(work), '-y', 'crossdesk_android'], cwd=work, env=env, check=True)
 
 
 if __name__ == '__main__':
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument('--configure-only', action='store_true',
+                        help='Install native dependencies before compiling application targets.')
+    args = parser.parse_args()
     CACHE.mkdir(parents=True, exist_ok=True)
     with (CACHE / 'build.lock').open('w') as lock:
         fcntl.flock(lock, fcntl.LOCK_EX)
-        main()
+        main(configure_only=args.configure_only)

apps/ios/scripts/build_minirtc_ios.sh

@@ -2,6 +2,14 @@
 
 set -euo pipefail
 
+CONFIGURE_ONLY=false
+if [[ $# -eq 1 && "$1" == "--configure-only" ]]; then
+  CONFIGURE_ONLY=true
+elif [[ $# -ne 0 ]]; then
+  print -u2 "Usage: $0 [--configure-only]"
+  exit 64
+fi
+
 SCRIPT_DIR="${0:A:h}"
 IOS_DIR="${SCRIPT_DIR:h}"
 REPO_DIR="${IOS_DIR:h:h}"
@@ -169,7 +177,7 @@ configure_xmake() {
   print "Configuring iOS native project: ${project_dir}"
   run_xmake f -P "${project_dir}" "${clean_flags[@]}" "${XMAKE_LOG_FLAGS[@]}" -o "${build_dir}" \
     -p iphoneos -a arm64 --appledev="${APPLE_DEVICE}" -m "${MODE}" --target_minver=16.0 \
-    --policies=package.precompiled:n -y "$@"
+    --policies=package.precompiled:n,package.librarydeps.strict_compatibility -y "$@"
   mkdir -p "${build_dir}"
   print -r -- "${CONFIG_SIGNATURE}" > "${stamp}"
 }
@@ -182,6 +190,24 @@ configure_xmake() {
   configure_xmake "${MINIRTC_DIR}" "${MINIRTC_BUILD_DIR}" \
     --as="${XMAKE_TOOLCHAIN_BIN}/clang" --USE_CUDA=false \
     --MINIRTC_ENABLE_AOM="${MINIRTC_ENABLE_AOM}"
+)
+
+# Build the platform-independent wire archive from the root project's target.
+# The copied manifest only isolates Xmake's generated configuration; there is
+# no second project definition to maintain.
+(
+  cd "${WIRE_WORK_DIR}"
+  configure_xmake "${WIRE_WORK_DIR}" "${WIRE_BUILD_DIR}" \
+    --CROSSDESK_BUILD_DESKTOP=false --CROSSDESK_BUILD_CLI=false
+)
+
+# CI can persist the installed packages before compiling either archive.
+if [[ "${CONFIGURE_ONLY}" == true ]]; then
+  exit 0
+fi
+
+(
+  cd "${MINIRTC_DIR}"
   print "Building MiniRTC for ${SDK_NAME} (${MODE})"
   run_xmake b -P "${MINIRTC_DIR}" "${XMAKE_LOG_FLAGS[@]}" minirtc
 )
@@ -191,13 +217,8 @@ if [[ ! -f "${MINIRTC_LIBRARY}" ]]; then
   exit 66
 fi
 
-# Build the platform-independent wire archive from the root project's target.
-# The copied manifest only isolates Xmake's generated configuration; there is
-# no second project definition to maintain.
 (
   cd "${WIRE_WORK_DIR}"
-  configure_xmake "${WIRE_WORK_DIR}" "${WIRE_BUILD_DIR}" \
-    --CROSSDESK_BUILD_DESKTOP=false --CROSSDESK_BUILD_CLI=false
   print "Building CrossDesk wire for ${SDK_NAME} (${MODE})"
   run_xmake b -P "${WIRE_WORK_DIR}" "${XMAKE_LOG_FLAGS[@]}" crossdesk_wire
 )