[python3] Build error (arm64-android)

[nomadsinteractive]

Host Environment

• OS: Windows 10
• Compiler: clang from NDK 25.2.9519653

To Reproduce

Steps to reproduce the behavior:

./vcpkg install python3 --triplet arm64-android

-- [COMMUNITY] Loading triplet configuration from: E:\nomads\mines\vcpkg\triplets\community\arm64-android.cmake
-- Using cached python-cpython-v3.10.7.tar.gz.
-- Cleaning sources at E:/nomads/mines/vcpkg/buildtrees/python3/src/v3.10.7-a83fe77705.clean. Use --editable to skip cleaning for the packages you specify.
-- Extracting source E:/nomads/mines/vcpkg/downloads/python-cpython-v3.10.7.tar.gz
-- Applying patch 0001-only-build-required-projects.patch
-- Applying patch 0003-use-vcpkg-zlib.patch
-- Applying patch 0004-devendor-external-dependencies.patch
-- Applying patch 0005-dont-copy-vcruntime.patch
-- Applying patch 0008-python.pc.patch
-- Applying patch 0009-bz2d.patch
-- Applying patch 0010-dont-skip-rpath.patch
-- Applying patch 0012-force-disable-curses.patch
-- Applying patch 0013-configure-no-libcrypt.patch
-- Applying patch 0002-static-library.patch
-- Using source at E:/nomads/mines/vcpkg/buildtrees/python3/src/v3.10.7-a83fe77705.clean
-- Getting CMake variables for arm64-android
-- Using cached msys-mingw-w64-i686-pkg-config-0.29.2-3-any.pkg.tar.zst.
-- Using cached msys-mingw-w64-i686-libwinpthread-git-9.0.0.6373.5be8fcd83-1-any.pkg.tar.zst.
-- Using msys root at E:/nomads/mines/vcpkg/downloads/tools/msys2/9a1ec3f33446b195
-- Configuring arm64-android-dbg
CMake Error at scripts/cmake/vcpkg_execute_required_process.cmake:112 (message):
Command failed: --noprofile --norc --debug -c "V=1 ./../src/v3.10.7-a83fe77705.clean/configure --host=aarch64-linux-android "--with-openssl=E:/nomads/native/ark/out/android/Debug/vcpkg_installed/arm64-android" "--without-ensurepip" "--with-suffix=" "--with-system-expat" "--without-readline" "--disable-test-modules" "--disable-silent-rules" "--verbose" "--disable-shared" "--enable-static" "--with-pydebug" "--prefix=/E/nomads/native/ark/out/android/Debug/vcpkg_installed/arm64-android/debug" "--bindir=\${prefix}/../tools/python3/debug/bin" "--sbindir=\${prefix}/../tools/python3/debug/sbin" "--libdir=\${prefix}/lib" "--includedir=\${prefix}/../include" "--datarootdir=\${prefix}/share/python3""
Working Directory: E:/nomads/mines/vcpkg/buildtrees/python3/arm64-android-dbg
Error code: 系统找不到指定的文件。 See logs for more information:

Call Stack (most recent call first):
scripts/cmake/vcpkg_configure_make.cmake:812 (vcpkg_execute_required_process)
ports/python3/portfile.cmake:233 (vcpkg_configure_make)
scripts/ports.cmake:147 (include)

error: building python3:arm64-android failed with: BUILD_FAILED
error: Please ensure you're using the latest port files with git pull and vcpkg update.

• Cut and paste the appropriate build messages from the console output.
• Attach every failure log file mentioned in the console output.

git status vcpkg
HEAD detached at 2023.02.24
nothing to commit, working tree clean

Add any other context about the problem here, such as what you have already tried to resolve the issue.

After a quick investigation, I find something that might be of your help:
The problem may lie in vcpkg_configure_make.cmake
Only if targeting windows builds, it sets "${MSYS_ROOT}/usr/bin/bash.exe" to a var named bash_executable, which will later be composed into a full configuration command line.
But the Android ports somehow still depends on this configuration command line. Due to the reason above, it lacks the executable file name to complete, causing failure.

[dg0yt]

#30172 fixed cross builds from Windows hosts. I guess your checkout lacks that patch.

[nomadsinteractive]

That's right, I'm currently using the tag 2023.02.24. The main branch has some other issues for me.
Thanks for your help

[nomadsinteractive]

Building problem still occurs on the latest version.
But this time it's caused by some another errors.

Should I post them here or open an another issue instead ?

Here are the logs for each error

configure: error: Cross compiling required --host=HOST-TUPLE and --build=ARCH

readelf for the host is required for cross builds

Fatal: You must get working getaddrinfo() function.
or you can specify "--disable-ipv6".

configure: error: set ac_cv_file__dev_ptmx to yes/no in your CONFIG_SITE file when cross compiling

Thanks

[dg0yt]

configure: error: Cross compiling required --host=HOST-TUPLE and --build=ARCH

This can be reproduced for python3:arm64-android on linux host, and even for python3:arm64-linux on x64-linux: It wants at least --host for cross compiling.

[dpogue]

See also #27830 (but that broke macOS because Python doesn't support cross-compiling on macOS)

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