ci: add static Android NDK build workflow#906
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Cross-compiles statically-linked rsync binaries with the Android NDK for arm64-v8a (all modern phones) and armeabi-v7a (older 32-bit devices), and uploads them as workflow artifacts for adb push / Termux use. The build is self-contained (optional external libraries disabled; keeps md5/md4 and the bundled zlib) and forces a few configure cache values that can't be probed when cross-compiling: lchmod()/lutimes() off (Bionic doesn't declare them until API 36 though the symbols link), and socketpair / mknod-FIFO / mknod-socket on (Android runs a Linux kernel, so these match the native result). IPv6 is enabled explicitly. Since the binaries are cross-compiled the test suite can't run; the job instead asserts each binary is static and the correct architecture, and smoke-tests `--version` under qemu-user. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Cross-compiles statically-linked rsync binaries with the Android NDK for arm64-v8a (all modern phones) and armeabi-v7a (older 32-bit devices), and uploads them as workflow artifacts for adb push / Termux use.
The build is self-contained (optional external libraries disabled; keeps md5/md4 and the bundled zlib) and forces a few configure cache values that can't be probed when cross-compiling: lchmod()/lutimes() off (Bionic doesn't declare them until API 36 though the symbols link), and socketpair / mknod-FIFO / mknod-socket on (Android runs a Linux kernel, so these match the native result). IPv6 is enabled explicitly.
Since the binaries are cross-compiled the test suite can't run; the job instead asserts each binary is static and the correct architecture, and smoke-tests
--versionunder qemu-user.