termux-packages/packages/ndk-multilib/build.sh

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TERMUX_PKG_HOMEPAGE=https://developer.android.com/tools/sdk/ndk/index.html
TERMUX_PKG_DESCRIPTION="Multilib binaries for cross-compilation"
TERMUX_PKG_LICENSE="NCSA"
TERMUX_PKG_MAINTAINER="@termux"
TERMUX_PKG_VERSION=$TERMUX_NDK_VERSION
TERMUX_PKG_REVISION=3
TERMUX_PKG_SKIP_SRC_EXTRACT=true
TERMUX_PKG_PLATFORM_INDEPENDENT=true
TERMUX_PKG_NO_STATICSPLIT=true
prepare_libs() {
local ARCH="$1"
local SUFFIX="$2"
local NDK_SUFFIX=$SUFFIX
if [ $ARCH = x86 ] || [ $ARCH = x86_64 ]; then
NDK_SUFFIX=$ARCH
fi
mkdir -p $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/$SUFFIX/lib
local BASEDIR=$NDK/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/lib/$SUFFIX/${TERMUX_PKG_API_LEVEL}
cp $BASEDIR/*.o $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/$SUFFIX/lib
cp $BASEDIR/lib{c,dl,log,m}.so $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/$SUFFIX/lib
cp $BASEDIR/lib{c,dl,m}.a $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/$SUFFIX/lib
cp $TERMUX_STANDALONE_TOOLCHAIN/sysroot/usr/lib/${SUFFIX}/libc++_shared.so \
$TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/$SUFFIX/lib
cp $TERMUX_STANDALONE_TOOLCHAIN/sysroot/usr/lib/${SUFFIX}/lib{c++_static,c++abi}.a \
$TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/$SUFFIX/lib
echo 'INPUT(-lc++_static -lc++abi)' > $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/$SUFFIX/lib/libc++_shared.a
if [ $ARCH == "x86" ]; then
LIBATOMIC=$NDK/toolchains/llvm/prebuilt/linux-x86_64/lib64/clang/*/lib/linux/i386
elif [ $ARCH == "arm64" ]; then
LIBATOMIC=$NDK/toolchains/llvm/prebuilt/linux-x86_64/lib64/clang/*/lib/linux/aarch64
else
LIBATOMIC=$NDK/toolchains/llvm/prebuilt/linux-x86_64/lib64/clang/*/lib/linux/$ARCH
fi
cp $LIBATOMIC/libatomic.a $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/$SUFFIX/lib/
cp $LIBATOMIC/libunwind.a $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/$SUFFIX/lib/
}
add_cross_compiler_rt() {
RT_PREFIX=$NDK/toolchains/llvm/prebuilt/linux-x86_64/lib64/clang/*/lib/linux
RT_OPT_DIR=$TERMUX_PREFIX/opt/ndk-multilib/cross-compiler-rt
LIBLLVM_VERSION=$(. $TERMUX_SCRIPTDIR/packages/libllvm/build.sh; echo $TERMUX_PKG_VERSION)
RT_PATH=$TERMUX_PREFIX/lib/clang/$LIBLLVM_VERSION/lib/linux
mkdir -p $TERMUX_PKG_MASSAGEDIR/$RT_OPT_DIR
cp $RT_PREFIX/* $TERMUX_PKG_MASSAGEDIR/$RT_OPT_DIR || true
# Reserve this folder to make its existance be handled by dpkg.
mkdir -p $TERMUX_PKG_MASSAGEDIR/$RT_PATH
touch $TERMUX_PKG_MASSAGEDIR/$RT_PATH/.keep-ndk-multilib
}
termux_step_extract_into_massagedir() {
prepare_libs "arm" "arm-linux-androideabi"
prepare_libs "arm64" "aarch64-linux-android"
prepare_libs "x86" "i686-linux-android"
prepare_libs "x86_64" "x86_64-linux-android"
add_cross_compiler_rt
}
termux_step_create_debscripts() {
# Install the symlinks.
cat <<- POSTINST_EOF > ./postinst
#!$TERMUX_PREFIX/bin/sh
echo "Installing symlinks to $RT_PATH..."
find $RT_OPT_DIR -type f ! -name "libclang_rt*\$(dpkg --print-architecture)*" -exec ln -sf "{}" $RT_PATH \;
exit 0
POSTINST_EOF
# Uninstall the symlinks.
cat <<- PRERM_EOF > ./prerm
#!$TERMUX_PREFIX/bin/sh
if [ "$TERMUX_PACKAGE_FORMAT" != "pacman" ] && [ "\$1" != "remove" ]; then
exit 0
fi
echo "Uninstalling symlinks..."
find $RT_PATH -type l ! -name "libclang_rt*\$(dpkg --print-architecture)*" -exec rm -rf "{}" \;
exit 0
PRERM_EOF
chmod 0755 postinst prerm
}