Since issue23968 landed (changeset 5c77488830bc), cross compilation fails. It's not regression of a single revision but is caused by a combination of multiple changes. Here are my steps:
1. git clone https://github.com/yan12125/python3-android
2. comment `patch -p1 < "${FILESDIR}/cross-compile.patch"` from mk/python/prepare.sh
3. `make`
This results in bash errors:
mkdir ../Lib/plat-aarch64-linux-android
if [ -n "aarch64-linux-android" ]; then \
cp ../Lib/plat-linux/regen ../Lib/plat-aarch64-linux-android/regen; \
else \
cp ../Lib/plat-generic/regen ../Lib/plat-aarch64-linux-android/regen; \
fi; \
export PATH; PATH="`pwd`:$PATH"; \
export PYTHONPATH; PYTHONPATH="`pwd`/Lib"; \
export DYLD_FRAMEWORK_PATH; DYLD_FRAMEWORK_PATH="`pwd`"; \
export EXE; EXE=""; \
export CC; CC="/home/yen/Projects/python3-android/clang-bin/cc"; \
if [ -n "aarch64-linux-android" ]; then export MULTIARCH; MULTIARCH=aarch64-linux-android; fi; \
export PYTHON_FOR_BUILD; \
if [ "x86_64-pc-linux-gnu" = "aarch64-unknown-linux-android" ]; then \
PYTHON_FOR_BUILD="python"; \
else \
PYTHON_FOR_BUILD="_PYTHON_PROJECT_BASE=/home/yen/Projects/python3-android/src/cpython/build-target _PYTHON_HOST_PLATFORM=linux-aarch64 PYTHONPATH=/home/yen/Projects/python3-android/src/cpython/build-target/build/lib.linux-aarch64-3.6:../Lib:../Lib/plat-aarch64-linux-android python3.6"; \
fi; \
export H2PY; H2PY="$PYTHON_FOR_BUILD /home/yen/Projects/python3-android/src/cpython/build-target/../Tools/scripts/h2py.py"; \
cd ../Lib/plat-aarch64-linux-android; ./regen
+ _PYTHON_PROJECT_BASE=/home/yen/Projects/python3-android/src/cpython/build-target _PYTHON_HOST_PLATFORM=linux-aarch64 PYTHONPATH=/home/yen/Projects/python3-android/src/cpython/build-target/build/lib.linux-aarch64-3.6:../Lib:../Lib/plat-aarch64-linux-android python3.6 /home/yen/Projects/python3-android/src/cpython/build-target/../Tools/scripts/h2py.py -i '(u_long)' /opt/android-ndk/platforms/android-21/arch-arm64/usr/include/sys/types.h /opt/android-ndk/platforms/android-21/arch-arm64/usr/include/netinet/in.h /opt/android-ndk/platforms/android-21/arch-arm64/usr/include/dlfcn.h
./regen: line 33: _PYTHON_PROJECT_BASE=/home/yen/Projects/python3-android/src/cpython/build-target: No such file or directory
make[1]: *** [Makefile:1331: ../Lib/plat-aarch64-linux-android] Error 127
make[1]: Leaving directory '/home/yen/Projects/python3-android/src/cpython/build-target'
make: *** [Makefile:36: python] Error 2
bash (I'm using 4.3.046) does not parse environment variables in quotation marks. For example the following script fails:
FOO="BAR=1 ls"
$FOO
The attached patch makes regen work again. I see /usr/bin/env used everywhere in CPython, so I guess it's OK to use it in configure without loss of portability.
Also added some people from issue14330, where $PYTHON_FOR_BUILD appeared for the first time.
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