Rollup merge of #104628 - alex-pinkus:revert-android-ndk-upgrade, r=pietroalbini

Revert "Update CI to use Android NDK r25b"

This reverts commit bf7f1ca316a249cf99d722d79a0db12fef687142 (pull request #102332).

The relevant discussion can be found in #103673, where it was agreed that more time is needed to warn the community of the upcoming breakage.

This PR is for the `master` branch, where a conflict was recently introduced due to 6d8160261ff3aee3b6eaacc37ac96cafff530980. The conflict is in `cc_detect.rs`, where the code that corrects the target triple was moved to a new function called `ndk_compiler()`. This puts the old logic in the `ndk_compiler` function, and assumes that it works properly in the other location where that code is being called. I would appreciate review from ``@pietroalbini`` to understand how we can test that the reverted logic is also suitable for the additional use case (seems to be related to setting `cc` and `cxx`). I've confirmed already that with these changes I can compile for `armv7-linux-androideabi`, `aarch64-linux-android`, `i686-linux-android`, and `x86_64-linux-android` using `x.py`.

A separate revert for the `beta` branch will be required, since the original change has already made it to beta. The beta revert is available at 3fa0d94674, but I'm not sure of the process for staging that PR.
This commit is contained in:
Matthias Krüger 2022-11-21 14:11:12 +01:00 committed by GitHub
commit 5b9289215e
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4 changed files with 42 additions and 29 deletions

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@ -47,8 +47,6 @@ fn cc2ar(cc: &Path, target: TargetSelection) -> Option<PathBuf> {
Some(PathBuf::from("ar"))
} else if target.contains("vxworks") {
Some(PathBuf::from("wr-ar"))
} else if target.contains("android") {
Some(cc.parent().unwrap().join(PathBuf::from("llvm-ar")))
} else {
let parent = cc.parent().unwrap();
let file = cc.file_name().unwrap().to_str().unwrap();
@ -221,22 +219,12 @@ fn set_compiler(
}
pub(crate) fn ndk_compiler(compiler: Language, triple: &str, ndk: &Path) -> PathBuf {
let mut triple_iter = triple.split("-");
let triple_translated = if let Some(arch) = triple_iter.next() {
let arch_new = match arch {
"arm" | "armv7" | "armv7neon" | "thumbv7" | "thumbv7neon" => "armv7a",
other => other,
};
std::iter::once(arch_new).chain(triple_iter).collect::<Vec<&str>>().join("-")
} else {
triple.to_string()
};
// API 19 is the earliest API level supported by NDK r25b but AArch64 and x86_64 support
// begins at API level 21.
let api_level =
if triple.contains("aarch64") || triple.contains("x86_64") { "21" } else { "19" };
let compiler = format!("{}{}-{}", triple_translated, api_level, compiler.clang());
let triple_translated = triple
.replace("armv7neon", "arm")
.replace("armv7", "arm")
.replace("thumbv7neon", "arm")
.replace("thumbv7", "arm");
let compiler = format!("{}-{}", triple_translated, compiler.clang());
ndk.join("bin").join(compiler)
}

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@ -6,7 +6,7 @@ RUN sh /scripts/android-base-apt-get.sh
COPY scripts/android-ndk.sh /scripts/
RUN . /scripts/android-ndk.sh && \
download_ndk android-ndk-r25b-linux.zip
download_and_make_toolchain android-ndk-r15c-linux-x86_64.zip arm 14
RUN dpkg --add-architecture i386 && \
apt-get update && \
@ -30,7 +30,7 @@ ENV PATH=$PATH:/android/sdk/platform-tools
ENV TARGETS=arm-linux-androideabi
ENV RUST_CONFIGURE_ARGS --arm-linux-androideabi-ndk=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/
ENV RUST_CONFIGURE_ARGS --arm-linux-androideabi-ndk=/android/ndk/arm-14
ENV SCRIPT python3 ../x.py --stage 2 test --host='' --target $TARGETS

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@ -6,7 +6,14 @@ RUN sh /scripts/android-base-apt-get.sh
# ndk
COPY scripts/android-ndk.sh /scripts/
RUN . /scripts/android-ndk.sh && \
download_ndk android-ndk-r25b-linux.zip
download_ndk android-ndk-r15c-linux-x86_64.zip && \
make_standalone_toolchain arm 14 && \
make_standalone_toolchain x86 14 && \
make_standalone_toolchain arm 21 && \
make_standalone_toolchain x86 21 && \
make_standalone_toolchain arm64 21 && \
make_standalone_toolchain x86_64 21 && \
remove_ndk
# env
ENV TARGETS=arm-linux-androideabi
@ -19,12 +26,12 @@ ENV TARGETS=$TARGETS,x86_64-linux-android
ENV RUST_CONFIGURE_ARGS \
--enable-extended \
--enable-profiler \
--arm-linux-androideabi-ndk=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/ \
--armv7-linux-androideabi-ndk=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/ \
--thumbv7neon-linux-androideabi-ndk=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/ \
--i686-linux-android-ndk=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/ \
--aarch64-linux-android-ndk=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/ \
--x86_64-linux-android-ndk=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/ \
--arm-linux-androideabi-ndk=/android/ndk/arm-14 \
--armv7-linux-androideabi-ndk=/android/ndk/arm-14 \
--thumbv7neon-linux-androideabi-ndk=/android/ndk/arm-14 \
--i686-linux-android-ndk=/android/ndk/x86-14 \
--aarch64-linux-android-ndk=/android/ndk/arm64-21 \
--x86_64-linux-android-ndk=/android/ndk/x86_64-21 \
--disable-docs
ENV SCRIPT python3 ../x.py dist --host='' --target $TARGETS

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@ -4,10 +4,28 @@ set -ex
URL=https://dl.google.com/android/repository
download_ndk() {
mkdir /android/
cd /android
mkdir -p /android/ndk
cd /android/ndk
curl -fO $URL/$1
unzip -q $1
rm $1
mv android-ndk-* ndk
}
make_standalone_toolchain() {
# See https://developer.android.com/ndk/guides/standalone_toolchain.htm
python3 /android/ndk/ndk/build/tools/make_standalone_toolchain.py \
--install-dir /android/ndk/$1-$2 \
--arch $1 \
--api $2
}
remove_ndk() {
rm -rf /android/ndk/ndk
}
download_and_make_toolchain() {
download_ndk $1 && \
make_standalone_toolchain $2 $3 && \
remove_ndk
}