mirror of
https://github.com/python/cpython.git
synced 2025-10-31 13:41:24 +00:00
98c25b8e13
Adds quoting to `android-env.sh` to protect against spaces in paths.
(cherry picked from commit a49225cc66)
Co-authored-by: Zanie Blue <contact@zanie.dev>
99 lines
3.4 KiB
Bash
99 lines
3.4 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 "$1"
|
|
exit 1
|
|
}
|
|
|
|
# When moving to a new version of the NDK, carefully review the following:
|
|
#
|
|
# * https://developer.android.com/ndk/downloads/revision_history
|
|
#
|
|
# * https://android.googlesource.com/platform/ndk/+/ndk-rXX-release/docs/BuildSystemMaintainers.md
|
|
# where XX is the NDK version. Do a diff against the version you're upgrading from, e.g.:
|
|
# https://android.googlesource.com/platform/ndk/+/ndk-r25-release..ndk-r26-release/docs/BuildSystemMaintainers.md
|
|
ndk_version=27.1.12297006
|
|
|
|
ndk=$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 "$path does not exist"
|
|
fi
|
|
done
|
|
|
|
export CFLAGS="-D__BIONIC_NO_PAGE_SIZE_MACRO"
|
|
export LDFLAGS="-Wl,--build-id=sha1 -Wl,--no-rosegment -Wl,-z,max-page-size=16384"
|
|
|
|
# Unlike Linux, Android does not implicitly use a dlopened library to resolve
|
|
# relocations in subsequently-loaded libraries, even if RTLD_GLOBAL is used
|
|
# (https://github.com/android/ndk/issues/1244). So any library that fails to
|
|
# build with this flag, would also fail to load at runtime.
|
|
LDFLAGS="$LDFLAGS -Wl,--no-undefined"
|
|
|
|
# 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="$abs_prefix/lib/pkgconfig"
|
|
fi
|
|
|
|
# When compiling C++, some build systems will combine CFLAGS and CXXFLAGS, and some will
|
|
# use CXXFLAGS alone.
|
|
export CXXFLAGS="$CFLAGS"
|
|
|
|
# Use the same variable name as conda-build
|
|
if [ "$(uname)" = "Darwin" ]; then
|
|
CPU_COUNT="$(sysctl -n hw.ncpu)"
|
|
export CPU_COUNT
|
|
else
|
|
CPU_COUNT="$(nproc)"
|
|
export CPU_COUNT
|
|
fi
|