mirror of https://github.com/python/cpython
88 lines
2.8 KiB
Bash
88 lines
2.8 KiB
Bash
|
# This script must be sourced with the following variables already set:
|
||
|
|
: ${ANDROID_HOME:?} # Path to Android SDK
|
||
|
|
: ${HOST:?} # GNU target triplet
|
||
|
|
|
||
|
|
# You may also override the following:
|
||
|
|
: ${api_level:=21} # Minimum Android API level the build will run on
|
||
|
|
: ${PREFIX:-} # Path in which to find required libraries
|
||
|
|
|
||
|
|
|
||
|
|
# Print all messages on stderr so they're visible when running within build-wheel.
|
||
|
|
log() {
|
||
|
|
echo "$1" >&2
|
||
|
|
}
|
||
|
|
|
||
|
|
fail() {
|
||
|
|
log "$1"
|
||
|
|
exit 1
|
||
|
|
}
|
||
|
|
|
||
|
|
# When moving to a new version of the NDK, carefully review the following:
|
||
|
|
#
|
||
|
|
# * https://developer.android.com/ndk/downloads/revision_history
|
||
|
|
#
|
||
|
|
# * https://android.googlesource.com/platform/ndk/+/ndk-rXX-release/docs/BuildSystemMaintainers.md
|
||
|
|
# where XX is the NDK version. Do a diff against the version you're upgrading from, e.g.:
|
||
|
|
# https://android.googlesource.com/platform/ndk/+/ndk-r25-release..ndk-r26-release/docs/BuildSystemMaintainers.md
|
||
|
|
ndk_version=26.2.11394342
|
||
|
|
|
||
|
|
ndk=$ANDROID_HOME/ndk/$ndk_version
|
||
|
|
if ! [ -e $ndk ]; then
|
||
|
|
log "Installing NDK: this may take several minutes"
|
||
|
|
yes | $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager "ndk;$ndk_version"
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ $HOST = "arm-linux-androideabi" ]; then
|
||
|
|
clang_triplet=armv7a-linux-androideabi
|
||
|
|
else
|
||
|
|
clang_triplet=$HOST
|
||
|
|
fi
|
||
|
|
|
||
|
|
# These variables are based on BuildSystemMaintainers.md above, and
|
||
|
|
# $ndk/build/cmake/android.toolchain.cmake.
|
||
|
|
toolchain=$(echo $ndk/toolchains/llvm/prebuilt/*)
|
||
|
|
export AR="$toolchain/bin/llvm-ar"
|
||
|
|
export AS="$toolchain/bin/llvm-as"
|
||
|
|
export CC="$toolchain/bin/${clang_triplet}${api_level}-clang"
|
||
|
|
export CXX="${CC}++"
|
||
|
|
export LD="$toolchain/bin/ld"
|
||
|
|
export NM="$toolchain/bin/llvm-nm"
|
||
|
|
export RANLIB="$toolchain/bin/llvm-ranlib"
|
||
|
|
export READELF="$toolchain/bin/llvm-readelf"
|
||
|
|
export STRIP="$toolchain/bin/llvm-strip"
|
||
|
|
|
||
|
|
# The quotes make sure the wildcard in the `toolchain` assignment has been expanded.
|
||
|
|
for path in "$AR" "$AS" "$CC" "$CXX" "$LD" "$NM" "$RANLIB" "$READELF" "$STRIP"; do
|
||
|
|
if ! [ -e "$path" ]; then
|
||
|
|
fail "$path does not exist"
|
||
|
|
fi
|
||
|
|
done
|
||
|
|
|
||
|
|
export CFLAGS=""
|
||
|
|
export LDFLAGS="-Wl,--build-id=sha1 -Wl,--no-rosegment"
|
||
|
|
|
||
|
|
# Many packages get away with omitting -lm on Linux, but Android is stricter.
|
||
|
|
LDFLAGS="$LDFLAGS -lm"
|
||
|
|
|
||
|
|
# -mstackrealign is included where necessary in the clang launcher scripts which are
|
||
|
|
# pointed to by $CC, so we don't need to include it here.
|
||
|
|
if [ $HOST = "arm-linux-androideabi" ]; then
|
||
|
|
CFLAGS="$CFLAGS -march=armv7-a -mthumb"
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ -n "${PREFIX:-}" ]; then
|
||
|
|
abs_prefix=$(realpath $PREFIX)
|
||
|
|
CFLAGS="$CFLAGS -I$abs_prefix/include"
|
||
|
|
LDFLAGS="$LDFLAGS -L$abs_prefix/lib"
|
||
|
|
|
||
|
|
export PKG_CONFIG="pkg-config --define-prefix"
|
||
|
|
export PKG_CONFIG_LIBDIR="$abs_prefix/lib/pkgconfig"
|
||
|
|
fi
|
||
|
|
|
||
|
|
# Use the same variable name as conda-build
|
||
|
|
if [ $(uname) = "Darwin" ]; then
|
||
|
|
export CPU_COUNT=$(sysctl -n hw.ncpu)
|
||
|
|
else
|
||
|
|
export CPU_COUNT=$(nproc)
|
||
|
|
fi
|